chore(release): v2.4.0 - dashboard today-window + cross-login cache fix, issued orders -> suppliers (migration), @db.Date filter sweep

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

.claude/hooks/block-env.js

@@ -1,14 +1,23 @@
 // Block direct .env file edits (not .env.example, .env.production, .env.test)
-let data = '';
+//
-process.stdin.on('data', chunk => data += chunk);
+// Hook exit-code contract (Claude Code PreToolUse):
-process.stdin.on('end', () => {
+//   exit 0 = allow (stdout JSON is only parsed on exit 0)
+//   exit 2 = BLOCK — the reason must be written to STDERR
+//   any other exit code = non-blocking error (the tool call proceeds)
+// So to actually block, we must print to stderr and exit 2.
+let data = "";
+process.stdin.on("data", (chunk) => (data += chunk));
+process.stdin.on("end", () => {
   try {
     const input = JSON.parse(data);
-    const filePath = input.tool_input?.file_path || '';
+    const filePath = input.tool_input?.file_path || "";
-    const basename = filePath.split('/').pop().split('\\').pop();
+    const basename = filePath.split("/").pop().split("\\").pop();
-    if (basename === '.env') {
+    if (basename === ".env") {
-      console.log(JSON.stringify({ decision: 'block', reason: 'Direct .env edits are blocked. Use .env.example instead.' }));
+      console.error("Direct .env edits are blocked. Use .env.example instead.");
-      process.exit(1);
+      process.exit(2);
     }
-  } catch {}
+  } catch {
+    // Deliberate fail-open: on unparseable input exit 0 (allow). Exiting 2
+    // here would block EVERY Edit/Write if the hook payload format changed.
+  }
 });

docs/superpowers/plans/2026-06-10-audit-high-fix-pass.md

@@ -0,0 +1,188 @@
+# 2026-06-10 — Audit fix pass #1: all verified CRITICAL/HIGH findings
+
+Source: `REVIEW_FINDINGS.md` (2026-06-09 full audit, 304 files). Scope of this pass:
+the 19 verified per-file **HIGH** findings + the project-level **CRITICAL** dependency
+finding. The two project-level HIGH _structural refactors_ (service-layer extraction for
+6 route files; PDF template dedup) are explicitly **out of scope** — they are
+multi-thousand-line refactors that deserve their own pass.
+
+Execution: subagent-driven development — one implementer per task (sequential, shared
+test DB forbids parallel test runs), spec-compliance review then code-quality review
+after each. No commits until the user asks. Final full gates:
+`npx tsc -b --noEmit` · `npx vitest run` · `npm run lint` · `npm run build`.
+
+---
+
+## Task H — Dependencies (project-level CRITICAL) — done inline by controller
+
+- Remove `concurrently` from devDependencies (unused; carries both critical advisories
+  GHSA-w7jw-789q-3m8p / shell-quote CVSS 8.1).
+- Add `"overrides": { "@hono/node-server": "^1.19.13" }` (clears the 3 moderate
+  advisories from the prisma → @prisma/dev chain; do NOT take npm's Prisma 6 downgrade).
+- Remove deprecated stub types `@types/dompurify`, `@types/bcryptjs`; move `@types/jsdom`
+  to devDependencies.
+- Add `qrcode` + `@types/qrcode` (needed by Task B to replace the CSP-blocked external
+  QR service).
+- `npm install`, verify `npm audit` (criticals+moderates gone), typecheck.
+
+## Task A — Attendance create/edit broken since 519edce (top-5 #1)
+
+Findings (both verified HIGH):
+
+- `src/admin/pages/AttendanceCreate.tsx:80-99` — handleSubmit posts the raw form whose
+  shape the API does not accept: `arrival_date`/`break_start_date`/`break_start_time`/
+  `break_end_*`/`departure_date` are not in CreateAttendanceSchema (silently stripped —
+  breaks and overnight dates never save); times are never combined with dates (unlike
+  useAttendanceAdmin's combineDatetime), so a validated "HH:MM" would reach
+  createAttendance which does `new Date('08:00')` → Invalid Date → 500; and since commit
+  519edce the always-sent empty-string time fields (`arrival_time: ""`) fail timeString
+  validation, so EVERY submit from this page — including leave records — returns 400.
+- `src/admin/pages/AttendanceAdmin.tsx:407-442` (logic in `useAttendanceAdmin.ts`) —
+  create/edit modal submits send combined `YYYY-MM-DDTHH:MM:00` datetimes for
+  arrival/departure/break, but since 519edce CreateAttendanceSchema/UpdateAttendanceSchema
+  validate them with `timeString` (HH:MM only) — every create/edit containing a time is
+  rejected 400 "Čas musí být ve formátu HH:MM" (and the service itself expects full
+  datetimes via `new Date(...)`); additionally `break_start`/`break_end` are absent from
+  CreateAttendanceSchema, so breaks are silently stripped on create.
+
+Direction: first `git show 519edce` to understand the intent; the schema contradicts
+both client and service, so the fix is to make the schemas validate the combined
+local-datetime wire format the client sends and the service consumes (lenient helper in
+`src/schemas/common.ts` per repo convention), add `break_start`/`break_end` to the create
+schema, and rewrite AttendanceCreate.tsx's submit to combine date+time and omit empty
+optionals. TDD: route-level regression tests (work record with times+breaks, overnight,
+leave record without times, update) in `src/__tests__/`.
+
+## Task B — 2FA: backup-code login, enrollment QR, dashboard status (top-5 #2)
+
+Findings (all verified HIGH):
+
+- `src/admin/context/AuthContext.tsx:263-272` — backup-code login broken: verify2FA
+  always POSTs to /login/totp with the code as totp_code plus an isBackup flag the server
+  ignores; TotpVerifySchema requires exactly 6 digits so 8-char backup codes always 400.
+  The real endpoint POST /api/admin/totp/backup-verify (expects backup_code) is never
+  called anywhere in the frontend — lockout for any user who lost their authenticator.
+- `src/admin/components/dashboard/DashProfile.tsx:556` — QR `<img>` from api.qrserver.com
+  is blocked by the production CSP (img-src 'self' data: blob: + osm tiles), so prod 2FA
+  enrollment shows a broken image. (Also a privacy bug: the TOTP secret is sent to a
+  third-party URL.) Fix: generate the QR locally with the `qrcode` package
+  (`QRCode.toDataURL(otpauthUrl)`) — data: is already CSP-allowed.
+- `src/admin/pages/Dashboard.tsx:89-91` — totpEnabled derived from require2FAOptions()
+  which returns the COMPANY-WIDE require_2fa policy flag, not the user's enrollment; the
+  per-user endpoint (totp.ts:190-197) is never queried. Wrong "2FA Aktivní/Neaktivní" and
+  wrong button shown.
+
+Direction: read `src/routes/admin/totp.ts` first; wire Login/AuthContext so a backup code
+goes to backup-verify and completes the login-token flow. If the server endpoint doesn't
+fit the loginToken flow, extend it minimally (single-use code consumption + logAudit
+preserved). Server test for backup-verify login path if server is touched.
+
+## Task C — Invoice/issued-order edit integrity (top-5 #3)
+
+Findings (all verified HIGH):
+
+- `src/admin/pages/InvoiceDetail.tsx:728` — edit hydration overwrites each item's
+  persisted per-line VAT with the invoice-level rate (`vat_rate: Number(inv.vat_rate) || 21`)
+  though invoice_items.vat_rate is a real per-item column — re-saving a mixed-rate invoice
+  silently corrupts per-line VAT in the DB; `|| 21` also turns legitimate 0% into 21%
+  (same falsy-zero at line 689).
+- `src/admin/pages/InvoiceDetail.tsx:1891-1902` — editing "Text fakturace (na PDF)" is
+  silently lost: payload includes billing_text but UpdateInvoiceSchema
+  (src/schemas/invoices.schema.ts:46-67) has no billing_text field, so Zod strips it
+  (updateInvoice supports it via strFields). Add the field to the schema + server test.
+- `src/admin/pages/IssuedOrderDetail.tsx:606-611` — hydration falsy-fallbacks:
+  `quantity: Number(it.quantity) || 1` turns saved 0 into 1; `vat_rate: Number(it.vat_rate)
+|| Number(d.vat_rate) || 21` turns a saved 0% line into 21% — displayed wrong and
+  silently persisted on next save.
+- `src/admin/pages/IssuedOrderDetail.tsx:826-839` — handleStatusChange never mirrors the
+  new status into form.status, so StatusChip, the `editable` flag and the delete-button
+  gate use the stale status after every transition.
+
+Use Number.isFinite-style coercion that respects 0 (e.g. `const n = Number(x);
+Number.isFinite(n) ? n : fallback`).
+
+## Task D — Trips: truncated lists/totals + dropped vehicle edit (top-5 #4a)
+
+Findings (all verified HIGH):
+
+- `src/admin/lib/queries/trips.ts:52-63` — tripListOptions consumes the paginated
+  endpoint via plain jsonQuery, discarding pagination meta; Trips.tsx uses default limit
+  25 and TripsAdmin perPage:100 (server hard cap) — both silently truncate with no
+  pagination controls.
+- `src/admin/lib/queries/trips.ts:95-103` — tripHistoryOptions sends no page/per_page →
+  25 rows; TripsHistory.tsx computes monthly km/business totals from the truncated rows.
+- `src/admin/pages/Trips.tsx:324-336` — stat cards computed from the 25-row page;
+  header labels stats "current month" though the query has no month filter.
+- `src/admin/pages/TripsAdmin.tsx:295,665-676` — edit modal sends vehicle_id but
+  UpdateTripSchema (src/schemas/trips.schema.ts:23-31) has no vehicle_id and the PUT
+  handler never applies it — vehicle change silently dropped. Add to schema
+  (nullableIntIdFromForm) + apply in route + audit + server test.
+- `src/admin/pages/TripsHistory.tsx:98-104,121-128` — same 25-row truncation for the
+  month view and its stat cards.
+
+Direction for totals: prefer a server-side aggregate (the repo already has per-currency
+totals endpoints for invoices/orders as the pattern) over fetching all pages client-side;
+lists get real pagination using the existing `usePaginatedQuery`/`Pagination` kit pieces
+used elsewhere. Keep the month-filter semantics of TripsHistory correct (totals must
+cover the WHOLE month, not one page).
+
+## Task E — orders.service.ts: PDF blob in every response (top-5 #4b)
+
+Finding (verified HIGH): `src/services/orders.service.ts:154-176,196-216,228-263,570,683`
+— attachment_data (full PDF blob, Bytes) is fetched on every query with no select/omit
+and spread into API responses by enrichOrder/getOrder; getOrderTotals loads every blob
+for the whole filtered set just to sum totals; updateOrder/deleteOrder pre-reads pull the
+blob to check status/number. A dedicated /:id/attachment endpoint already exists.
+Exclude the blob from list/detail/totals/pre-reads (keep has_attachment-style boolean if
+the FE needs it — check FE usage), keep the attachment endpoint working, extend
+`src/__tests__/orders-list.test.ts` to assert attachment_data is absent.
+
+## Task F — Warehouse: unit enum 400s + dead attachment download
+
+Findings (both verified HIGH):
+
+- `src/admin/pages/WarehouseItemDetail.tsx:451-462` — "Jednotka" is free-text but the
+  server requires UnitEnum ("ks","m","kg","bal","sada","m2","m3","l") — any other value
+  400s create/update. Make it a Select over the enum values (single source: mirror the
+  server enum list).
+- `src/admin/pages/WarehouseReceiptDetail.tsx:251-259` — attachment link targets
+  GET /warehouse/receipts/:id/attachments/:attachmentId which does not exist (only POST
+  upload + DELETE are registered in warehouse.ts), and a plain <a href> sends no
+  Authorization header anyway. Add the GET download route (requirePermission, correct
+  content-type/disposition) + authenticated blob download in the UI (fetch via apiFetch →
+  object URL, like other binary downloads in the repo). Server test for the new route.
+
+## Task G — Small fixes
+
+- `.claude/hooks/block-env.js:10-11` (verified HIGH) — block decision never takes
+  effect: prints {decision:'block'} JSON to stdout then exits 1; Claude Code only parses
+  stdout JSON on exit 0 and only blocks on exit 2 (reason on stderr). Fix: exit 2 with the
+  reason on stderr.
+- `src/admin/pages/Projects.tsx:153-154` (verified HIGH) — create modal submits
+  start_date/end_date initialized to "" which isoDateString.nullish() rejects → creating
+  a project without filling BOTH dates always 400s. Send null/omit when empty.
+
+---
+
+## Status
+
+- [x] H — dependencies (controller, inline) — criticals+moderates cleared; only the
+      2 known-mitigated quill lows remain
+- [x] A — attendance create/edit — dateTimeString helpers, break fields, rewritten
+      AttendanceCreate payload; 6 regression tests
+- [x] B — 2FA — backup-verify wired (+ remember-me parity server-side), local QR via
+      qrcode lib, per-user totp status; 6 tests
+- [x] C — invoice/issued-order edit integrity — numberOr (shared in formatters.ts),
+      billing_text in UpdateInvoiceSchema, status mirror; 2 tests
+- [x] D — trips — paginated queries + Pagination UI on 3 pages, GET /trips/stats
+      (buildTripsWhere shared), vehicle_id on PUT + both-vehicle odometer recompute,
+      print rebuilt (sync window.open, escaped string template); 7 tests
+- [x] E — orders attachment_data excluded from all non-binary reads (incl.
+      numbering/invoices/orders-pdf callers); 4 tests
+- [x] F — warehouse unit Select + GET receipt attachment route + authenticated blob
+      download; RFC 5987 content-disposition helper (also fixes received-invoices +
+      orders Czech-filename 500); 6 tests
+- [x] G — block-env hook exit 2/stderr (verified empirically), Projects empty dates
+      → null
+- [x] Final gates: tsc -b clean · vitest 30 files / 342 tests green · lint 0 errors ·
+      build OK. Whole-diff 3-lens review: see final report.

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "app-ts",
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   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
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-      "version": "2.1.5",
+      "version": "2.4.0",
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@@ -26,7 +26,6 @@
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@@ -1729,9 +1726,9 @@
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-      "version": "1.19.11",
+      "version": "1.19.14",
-      "resolved": "https://registry.npmjs.org/@hono/node-server/-/node-server-1.19.11.tgz",
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+      "license": "MIT",
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       "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.1.0.tgz",
@@ -7258,6 +7177,7 @@
       "version": "7.3.0",
       "resolved": "https://registry.npmjs.org/parse5/-/parse5-7.3.0.tgz",
       "integrity": "sha512-IInvU7fabl34qmi9gY8XOVxhYyMyuH2xUNpb2q8/Y+7552KlejkRvqvD19nMoUW/uQGGbqNpA6Tufu5FL5BZgw==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "entities": "^6.0.0"
@@ -8087,16 +8007,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/rxjs": {
-      "version": "7.8.2",
-      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-7.8.2.tgz",
-      "integrity": "sha512-dhKf903U/PQZY6boNNtAGdWbG85WAbjT/1xYoZIC7FAY0yWapOBQVsVrDl58W86//e1VpMNBtRV4MaXfdMySFA==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "dependencies": {
-        "tslib": "^2.1.0"
-      }
-    },
     "node_modules/safe-buffer": {
       "version": "5.2.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
@@ -8244,19 +8154,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/shell-quote": {
-      "version": "1.8.3",
-      "resolved": "https://registry.npmjs.org/shell-quote/-/shell-quote-1.8.3.tgz",
-      "integrity": "sha512-ObmnIF4hXNg1BqhnHmgbDETF8dLPCggZWBjkQfhZpbszZnYur5DUljTcCHii5LC3J5E0yeO/1LIMyH+UvHQgyw==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">= 0.4"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
     "node_modules/side-channel": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.1.0.tgz",
@@ -8577,22 +8474,6 @@
         "node": ">=14.18.0"
       }
     },
-    "node_modules/supports-color": {
-      "version": "8.1.1",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-8.1.1.tgz",
-      "integrity": "sha512-MpUEN2OodtUzxvKQl72cUF7RQ5EiHsGvSsVG0ia9c5RbWGL2CI4C7EpPS8UTBIplnlzZiNuV56w+FuNxy3ty2Q==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "has-flag": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/chalk/supports-color?sponsor=1"
-      }
-    },
     "node_modules/supports-preserve-symlinks-flag": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz",
@@ -8817,16 +8698,6 @@
         "node": ">=20"
       }
     },
-    "node_modules/tree-kill": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.2.tgz",
-      "integrity": "sha512-L0Orpi8qGpRG//Nd+H90vFB+3iHnue1zSSGmNOOCh1GLJ7rUKVwV2HvijphGQS2UmhUZewS9VgvxYIdgr+fG1A==",
-      "dev": true,
-      "license": "MIT",
-      "bin": {
-        "tree-kill": "cli.js"
-      }
-    },
     "node_modules/ts-algebra": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ts-algebra/-/ts-algebra-2.0.0.tgz",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "app-ts",
-  "version": "2.2.0",
+  "version": "2.4.0",
   "description": "",
   "main": "dist/server.js",
   "scripts": {
@@ -47,7 +47,6 @@
     "@prisma/adapter-mariadb": "^7.8.0",
     "@prisma/client": "^7.8.0",
     "@tanstack/react-query": "^5.100.5",
-    "@types/jsdom": "^28.0.1",
     "bcryptjs": "^3.0.3",
     "date-fns": "^4.1.0",
     "dompurify": "^3.3.3",
@@ -73,8 +72,7 @@
   },
   "devDependencies": {
     "@eslint/js": "^10.0.1",
-    "@types/bcryptjs": "^2.4.6",
+    "@types/jsdom": "^28.0.1",
-    "@types/dompurify": "^3.0.5",
     "@types/jsonwebtoken": "^9.0.10",
     "@types/leaflet": "^1.9.21",
     "@types/node": "^25.5.0",
@@ -85,7 +83,6 @@
     "@types/react-dom": "^19.2.3",
     "@types/supertest": "^7.2.0",
     "@vitejs/plugin-react": "^6.0.1",
-    "concurrently": "^9.2.1",
     "eslint": "^10.4.1",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-react-hooks": "^7.1.1",
@@ -98,5 +95,8 @@
     "typescript-eslint": "^8.61.0",
     "vite": "^8.0.0",
     "vitest": "^4.1.0"
+  },
+  "overrides": {
+    "@hono/node-server": "^1.19.13"
   }
 }

prisma/migrations/20260610104514_issued_orders_customer_to_supplier/migration.sql

@@ -0,0 +1,16 @@
+-- DropForeignKey
+ALTER TABLE `issued_orders` DROP FOREIGN KEY `issued_orders_ibfk_1`;
+
+-- DropIndex
+DROP INDEX `issued_orders_customer_id` ON `issued_orders`;
+
+-- AlterTable
+ALTER TABLE `issued_orders` DROP COLUMN `customer_id`,
+    ADD COLUMN `supplier_id` INTEGER NULL;
+
+-- CreateIndex
+CREATE INDEX `issued_orders_supplier_id` ON `issued_orders`(`supplier_id`);
+
+-- AddForeignKey
+ALTER TABLE `issued_orders` ADD CONSTRAINT `issued_orders_supplier_fk` FOREIGN KEY (`supplier_id`) REFERENCES `sklad_suppliers`(`id`) ON DELETE RESTRICT ON UPDATE NO ACTION;
+

prisma/schema.prisma

@@ -193,7 +193,6 @@ model customers {
   sync_version  Int?         @default(0)
   invoices      invoices[]
   orders        orders[]
-  issued_orders issued_orders[]
   projects      projects[]
   quotations    quotations[]
 }
@@ -370,7 +369,7 @@ model orders {
 model issued_orders {
   id              Int                  @id @default(autoincrement())
   po_number       String?              @unique(map: "idx_issued_orders_number_unique") @db.VarChar(50)
-  customer_id     Int?
+  supplier_id     Int?
   status          issued_orders_status @default(draft)
   currency        String?              @default("CZK") @db.VarChar(10)
   vat_rate        Decimal?             @default(21.00) @db.Decimal(5, 2)
@@ -387,9 +386,9 @@ model issued_orders {
   created_at      DateTime?            @default(now()) @db.DateTime(0)
   modified_at     DateTime?            @db.DateTime(0)
   issued_order_items issued_order_items[]
-  customers       customers?           @relation(fields: [customer_id], references: [id], onDelete: Restrict, onUpdate: NoAction, map: "issued_orders_ibfk_1")
+  suppliers       sklad_suppliers?     @relation(fields: [supplier_id], references: [id], onDelete: Restrict, onUpdate: NoAction, map: "issued_orders_supplier_fk")
 
-  @@index([customer_id], map: "issued_orders_customer_id")
+  @@index([supplier_id], map: "issued_orders_supplier_id")
   @@index([status, order_date], map: "idx_issued_orders_status_date")
 }
 
@@ -796,7 +795,8 @@ model sklad_suppliers {
   created_at     DateTime? @default(now()) @db.DateTime(0)
   modified_at    DateTime? @db.DateTime(0)
 
-  receipts sklad_receipts[]
+  receipts      sklad_receipts[]
+  issued_orders issued_orders[]
 
   @@map("sklad_suppliers")
 }

src/__tests__/attendance.test.ts

@@ -0,0 +1,445 @@
+import { describe, it, expect, beforeAll, afterAll, beforeEach } from "vitest";
+import Fastify from "fastify";
+import cookie from "@fastify/cookie";
+import rateLimit from "@fastify/rate-limit";
+import jwt from "jsonwebtoken";
+import prisma from "../config/database";
+import { config } from "../config/env";
+import { securityHeaders } from "../middleware/security";
+import attendanceRoutes from "../routes/admin/attendance";
+
+// ---------------------------------------------------------------------------
+// Regression tests for the attendance create/edit wire format.
+//
+// The admin create/edit forms send COMBINED local datetimes
+// ("YYYY-MM-DDTHH:MM:00", built by combineDatetime from a date + time input)
+// for arrival_time / departure_time / break_start / break_end, and the
+// service parses them with `new Date(...)`. Commit 519edce validated these
+// fields with `timeString` (bare HH:MM), which rejected every create/edit
+// containing a time, and CreateAttendanceSchema lacked break_start/break_end
+// entirely, so breaks were silently stripped on create. These tests pin the
+// combined-datetime contract at the HTTP route level.
+// ---------------------------------------------------------------------------
+
+// All fixtures live on far-future dates so they can never collide with real
+// rows in the throwaway test DB; cleanup deletes exactly this range.
+const RANGE_START = new Date("2098-01-01T00:00:00");
+const RANGE_END = new Date("2099-01-01T00:00:00");
+
+let app: Awaited<ReturnType<typeof buildApp>>;
+let adminUserId: number;
+let adminToken: string;
+
+async function buildApp() {
+  const a = Fastify({ logger: false });
+  await a.register(cookie);
+  await a.register(rateLimit, { max: 1000, timeWindow: "1 minute" });
+  a.addHook("onRequest", securityHeaders);
+  await a.register(attendanceRoutes, { prefix: "/api/admin/attendance" });
+  return a;
+}
+
+/**
+ * Generate a JWT access token. `requireAuth` re-loads auth data from the DB
+ * via `loadAuthData(payload.sub)`, so only the `sub` (user id) matters here.
+ */
+function generateToken(user: {
+  id: number;
+  username: string;
+  roleName: string | null;
+}): string {
+  return jwt.sign(
+    { sub: user.id, username: user.username, role: user.roleName },
+    config.jwt.secret,
+    { expiresIn: "15m" },
+  );
+}
+
+async function authPost(path: string, token: string, body: unknown) {
+  return app.inject({
+    method: "POST",
+    url: path,
+    headers: {
+      Authorization: `Bearer ${token}`,
+      "Content-Type": "application/json",
+    },
+    payload: body as object,
+  });
+}
+
+async function authPut(path: string, token: string, body: unknown) {
+  return app.inject({
+    method: "PUT",
+    url: path,
+    headers: {
+      Authorization: `Bearer ${token}`,
+      "Content-Type": "application/json",
+    },
+    payload: body as object,
+  });
+}
+
+async function cleanupFixtureRows() {
+  await prisma.attendance.deleteMany({
+    where: {
+      user_id: adminUserId,
+      shift_date: { gte: RANGE_START, lt: RANGE_END },
+    },
+  });
+}
+
+beforeAll(async () => {
+  app = await buildApp();
+
+  const admin = await prisma.users.findFirst({
+    where: { roles: { name: "admin" } },
+    include: { roles: true },
+  });
+  if (!admin) throw new Error("Test setup: admin user not found");
+  adminUserId = admin.id;
+  adminToken = generateToken({
+    id: admin.id,
+    username: admin.username,
+    roleName: admin.roles?.name ?? null,
+  });
+
+  await cleanupFixtureRows();
+});
+
+beforeEach(async () => {
+  await cleanupFixtureRows();
+});
+
+afterAll(async () => {
+  await cleanupFixtureRows();
+  if (app) await app.close();
+});
+
+describe("POST /api/admin/attendance (combined datetimes)", () => {
+  it("creates a work record with arrival+departure datetimes and persists them", async () => {
+    const arrival = "2098-03-10T08:00:00";
+    const departure = "2098-03-10T16:30:00";
+
+    const res = await authPost("/api/admin/attendance", adminToken, {
+      user_id: adminUserId,
+      shift_date: "2098-03-10",
+      leave_type: "work",
+      arrival_time: arrival,
+      departure_time: departure,
+      notes: "attendance_wire_test work",
+    });
+
+    expect(res.statusCode).toBe(201);
+    const body = res.json();
+    expect(body.success).toBe(true);
+
+    const rec = await prisma.attendance.findUnique({
+      where: { id: body.data.id },
+    });
+    expect(rec).toBeTruthy();
+    expect(rec!.leave_type).toBe("work");
+    expect(rec!.arrival_time?.getTime()).toBe(new Date(arrival).getTime());
+    expect(rec!.departure_time?.getTime()).toBe(new Date(departure).getTime());
+  });
+
+  it("persists break_start/break_end on create (previously silently stripped)", async () => {
+    const res = await authPost("/api/admin/attendance", adminToken, {
+      user_id: adminUserId,
+      shift_date: "2098-03-11",
+      leave_type: "work",
+      arrival_time: "2098-03-11T08:00:00",
+      departure_time: "2098-03-11T16:30:00",
+      break_start: "2098-03-11T12:00:00",
+      break_end: "2098-03-11T12:30:00",
+      notes: "attendance_wire_test break",
+    });
+
+    expect(res.statusCode).toBe(201);
+    const body = res.json();
+    expect(body.success).toBe(true);
+
+    const rec = await prisma.attendance.findUnique({
+      where: { id: body.data.id },
+    });
+    expect(rec!.break_start?.getTime()).toBe(
+      new Date("2098-03-11T12:00:00").getTime(),
+    );
+    expect(rec!.break_end?.getTime()).toBe(
+      new Date("2098-03-11T12:30:00").getTime(),
+    );
+  });
+
+  it("creates a leave record with NO time fields", async () => {
+    const res = await authPost("/api/admin/attendance", adminToken, {
+      user_id: adminUserId,
+      shift_date: "2098-03-12",
+      leave_type: "vacation",
+      leave_hours: 8,
+      notes: "attendance_wire_test leave",
+    });
+
+    expect(res.statusCode).toBe(201);
+    const body = res.json();
+    expect(body.success).toBe(true);
+
+    const rec = await prisma.attendance.findUnique({
+      where: { id: body.data.id },
+    });
+    expect(rec!.leave_type).toBe("vacation");
+    expect(Number(rec!.leave_hours)).toBe(8);
+    expect(rec!.arrival_time).toBeNull();
+    expect(rec!.departure_time).toBeNull();
+  });
+
+  it('tolerates "" for unset datetime fields (old form payloads) → null', async () => {
+    // The AttendanceCreate page historically always sent empty strings for
+    // the unfilled time fields — even for leave records — which 400'd EVERY
+    // submit after 519edce. The schema must treat "" as "not set".
+    const res = await authPost("/api/admin/attendance", adminToken, {
+      user_id: adminUserId,
+      shift_date: "2098-03-13",
+      leave_type: "sick",
+      leave_hours: 8,
+      arrival_time: "",
+      departure_time: "",
+      break_start: "",
+      break_end: "",
+      notes: "attendance_wire_test empty strings",
+    });
+
+    expect(res.statusCode).toBe(201);
+    const body = res.json();
+    expect(body.success).toBe(true);
+
+    const rec = await prisma.attendance.findUnique({
+      where: { id: body.data.id },
+    });
+    expect(rec!.leave_type).toBe("sick");
+    expect(rec!.arrival_time).toBeNull();
+    expect(rec!.departure_time).toBeNull();
+    expect(rec!.break_start).toBeNull();
+    expect(rec!.break_end).toBeNull();
+  });
+});
+
+describe("GET /api/admin/attendance (complete month, no truncation)", () => {
+  it("returns every record of a month with more than 100 rows", async () => {
+    // The admin month view computes the KPI cards and summary totals from
+    // this single fetch, so it must cover the COMPLETE month. With the old
+    // 100-row pagination cap, months with >100 records were silently
+    // truncated (newest-first) and the screen totals dropped the earliest
+    // days while the print stayed complete.
+    const rows = [];
+    for (let day = 1; day <= 30; day++) {
+      for (let s = 0; s < 4; s++) {
+        rows.push({
+          user_id: adminUserId,
+          shift_date: new Date(2098, 4, day, 12, 0, 0),
+          leave_type: "work" as const,
+          arrival_time: new Date(2098, 4, day, 6 + s, 0, 0),
+          departure_time: new Date(2098, 4, day, 10 + s, 0, 0),
+          notes: "attendance_wire_test bulk month",
+        });
+      }
+    }
+    await prisma.attendance.createMany({ data: rows });
+
+    const res = await app.inject({
+      method: "GET",
+      url: "/api/admin/attendance?year=2098&month=5&limit=2000",
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+
+    expect(res.statusCode).toBe(200);
+    const body = res.json();
+    expect(body.success).toBe(true);
+    expect(body.data).toHaveLength(120);
+    expect(body.pagination.total).toBe(120);
+  });
+});
+
+describe("GET /api/admin/attendance (month window boundaries, @db.Date)", () => {
+  it("includes the month's own LAST day and excludes the neighbor month's first day", async () => {
+    // shift_date is @db.Date — Prisma compares the filter Dates by their UTC
+    // date part. The old LOCAL-midnight month bounds (22:00/23:00 UTC of the
+    // previous day) shifted the whole window a day back: the June list
+    // included May 31 and DROPPED June 30. Fixture rows sit exactly on the
+    // 2098-06 / 2098-07 boundary.
+    const juneLast = await prisma.attendance.create({
+      data: {
+        user_id: adminUserId,
+        shift_date: new Date(2098, 5, 30, 12, 0, 0), // 2098-06-30, local noon
+        leave_type: "work",
+        arrival_time: new Date(2098, 5, 30, 8, 0, 0),
+        departure_time: new Date(2098, 5, 30, 16, 0, 0),
+        notes: "attendance_wire_test june-last-day",
+      },
+    });
+    const julyFirst = await prisma.attendance.create({
+      data: {
+        user_id: adminUserId,
+        shift_date: new Date(2098, 6, 1, 12, 0, 0), // 2098-07-01, local noon
+        leave_type: "work",
+        arrival_time: new Date(2098, 6, 1, 8, 0, 0),
+        departure_time: new Date(2098, 6, 1, 16, 0, 0),
+        notes: "attendance_wire_test july-first-day",
+      },
+    });
+
+    const june = await app.inject({
+      method: "GET",
+      url: "/api/admin/attendance?year=2098&month=6&limit=100",
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(june.statusCode).toBe(200);
+    const juneIds = june.json().data.map((r: { id: number }) => r.id);
+    expect(juneIds).toContain(juneLast.id);
+    expect(juneIds).not.toContain(julyFirst.id);
+
+    const july = await app.inject({
+      method: "GET",
+      url: "/api/admin/attendance?year=2098&month=7&limit=100",
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(july.statusCode).toBe(200);
+    const julyIds = july.json().data.map((r: { id: number }) => r.id);
+    expect(julyIds).toContain(julyFirst.id);
+    expect(julyIds).not.toContain(juneLast.id);
+  });
+});
+
+describe("POST /api/admin/attendance (same-day duplicate window, @db.Date)", () => {
+  it("rejects a second leave record on the SAME day", async () => {
+    const first = await authPost("/api/admin/attendance", adminToken, {
+      user_id: adminUserId,
+      shift_date: "2098-08-10",
+      leave_type: "vacation",
+      leave_hours: 8,
+      notes: "attendance_wire_test dup-leave-first",
+    });
+    expect(first.statusCode).toBe(201);
+
+    // Old bug: the duplicate/overlap window was built from LOCAL midnights of
+    // the UTC-midnight shiftDate, so the validation queried ONLY the previous
+    // day — a same-day duplicate leave sailed through undetected.
+    const second = await authPost("/api/admin/attendance", adminToken, {
+      user_id: adminUserId,
+      shift_date: "2098-08-10",
+      leave_type: "sick",
+      leave_hours: 8,
+      notes: "attendance_wire_test dup-leave-second",
+    });
+    expect(second.statusCode).toBe(400);
+    expect(second.json().success).toBe(false);
+  });
+
+  it("does NOT falsely reject a leave on the day AFTER an existing record", async () => {
+    const first = await authPost("/api/admin/attendance", adminToken, {
+      user_id: adminUserId,
+      shift_date: "2098-08-10",
+      leave_type: "vacation",
+      leave_hours: 8,
+      notes: "attendance_wire_test neighbor-day-first",
+    });
+    expect(first.statusCode).toBe(201);
+
+    // Old bug (the other half): creating a record for the NEXT day queried
+    // the window [Aug 10, Aug 11) — i.e. yesterday's records — and bounced
+    // with a false "záznam o nepřítomnosti již existuje".
+    const nextDay = await authPost("/api/admin/attendance", adminToken, {
+      user_id: adminUserId,
+      shift_date: "2098-08-11",
+      leave_type: "vacation",
+      leave_hours: 8,
+      notes: "attendance_wire_test neighbor-day-next",
+    });
+    expect(nextDay.statusCode).toBe(201);
+    expect(nextDay.json().success).toBe(true);
+  });
+});
+
+describe("PUT /api/admin/attendance/:id (combined datetimes)", () => {
+  it("updates a record with combined datetimes (incl. overnight departure)", async () => {
+    const created = await prisma.attendance.create({
+      data: {
+        user_id: adminUserId,
+        shift_date: new Date(2098, 2, 14, 12, 0, 0),
+        leave_type: "work",
+        arrival_time: new Date("2098-03-14T08:00:00"),
+        departure_time: new Date("2098-03-14T16:30:00"),
+        notes: "attendance_wire_test update",
+      },
+    });
+
+    const res = await authPut(
+      `/api/admin/attendance/${created.id}`,
+      adminToken,
+      {
+        leave_type: "work",
+        arrival_time: "2098-03-14T22:00:00",
+        departure_time: "2098-03-15T06:00:00",
+        break_start: "2098-03-15T02:00:00",
+        break_end: "2098-03-15T02:30:00",
+        notes: "attendance_wire_test updated",
+      },
+    );
+
+    expect(res.statusCode).toBe(200);
+    const body = res.json();
+    expect(body.success).toBe(true);
+
+    const rec = await prisma.attendance.findUnique({
+      where: { id: created.id },
+    });
+    expect(rec!.arrival_time?.getTime()).toBe(
+      new Date("2098-03-14T22:00:00").getTime(),
+    );
+    expect(rec!.departure_time?.getTime()).toBe(
+      new Date("2098-03-15T06:00:00").getTime(),
+    );
+    expect(rec!.break_start?.getTime()).toBe(
+      new Date("2098-03-15T02:00:00").getTime(),
+    );
+    expect(rec!.break_end?.getTime()).toBe(
+      new Date("2098-03-15T02:30:00").getTime(),
+    );
+    expect(rec!.notes).toBe("attendance_wire_test updated");
+  });
+
+  it("clears times when null is sent (leave-type edit)", async () => {
+    const created = await prisma.attendance.create({
+      data: {
+        user_id: adminUserId,
+        shift_date: new Date(2098, 2, 16, 12, 0, 0),
+        leave_type: "work",
+        arrival_time: new Date("2098-03-16T08:00:00"),
+        departure_time: new Date("2098-03-16T16:30:00"),
+        notes: "attendance_wire_test to-leave",
+      },
+    });
+
+    const res = await authPut(
+      `/api/admin/attendance/${created.id}`,
+      adminToken,
+      {
+        leave_type: "vacation",
+        leave_hours: 8,
+        arrival_time: null,
+        departure_time: null,
+        break_start: null,
+        break_end: null,
+        notes: "attendance_wire_test to-leave",
+      },
+    );
+
+    expect(res.statusCode).toBe(200);
+    expect(res.json().success).toBe(true);
+
+    const rec = await prisma.attendance.findUnique({
+      where: { id: created.id },
+    });
+    expect(rec!.leave_type).toBe("vacation");
+    expect(rec!.arrival_time).toBeNull();
+    expect(rec!.departure_time).toBeNull();
+  });
+});

src/__tests__/dashboard.test.ts

@@ -0,0 +1,100 @@
+import { describe, it, expect, beforeAll, afterAll } from "vitest";
+import Fastify from "fastify";
+import jwt from "jsonwebtoken";
+import prisma from "../config/database";
+import { config } from "../config/env";
+import dashboardRoutes from "../routes/admin/dashboard";
+
+// ---------------------------------------------------------------------------
+// Regression test for the "Docházka dnes" / "Přítomní dnes" dashboard window.
+//
+// attendance.shift_date is @db.Date and Prisma truncates a filter Date to its
+// UTC date part. The dashboard used local-midnight boundaries
+// (new Date(y, m, d) = 22:00/23:00 UTC of the PREVIOUS day under
+// TZ=Europe/Prague), which truncated to [yesterday, today) — today's punches
+// matched zero rows and everyone showed as absent. The boundaries must be
+// UTC-midnight instants of the LOCAL calendar day.
+//
+// Unlike the other suites this one has to use the REAL current date (the
+// route computes "today" internally), so fixtures are tracked by id and
+// deleted in afterAll.
+// ---------------------------------------------------------------------------
+
+let app: Awaited<ReturnType<typeof buildApp>>;
+let adminUserId: number;
+let adminToken: string;
+const createdIds: number[] = [];
+
+async function buildApp() {
+  const a = Fastify({ logger: false });
+  await a.register(dashboardRoutes, { prefix: "/api/admin/dashboard" });
+  return a;
+}
+
+beforeAll(async () => {
+  app = await buildApp();
+
+  const admin = await prisma.users.findFirst({
+    where: { roles: { name: "admin" } },
+    include: { roles: true },
+  });
+  if (!admin) throw new Error("Test setup: admin user not found");
+  adminUserId = admin.id;
+  adminToken = jwt.sign(
+    { sub: admin.id, username: admin.username, role: "admin" },
+    config.jwt.secret,
+    { expiresIn: "15m" },
+  );
+});
+
+afterAll(async () => {
+  if (createdIds.length) {
+    await prisma.attendance.deleteMany({ where: { id: { in: createdIds } } });
+  }
+  if (app) await app.close();
+});
+
+describe("GET /api/admin/dashboard — today's attendance window", () => {
+  it("counts a punched-in user as present (local-noon @db.Date row)", async () => {
+    const now = new Date();
+    // The attendance regime stores shift_date at LOCAL NOON (so the UTC date
+    // part equals the Prague calendar date) — same as punchAction does.
+    const row = await prisma.attendance.create({
+      data: {
+        user_id: adminUserId,
+        shift_date: new Date(
+          now.getFullYear(),
+          now.getMonth(),
+          now.getDate(),
+          12,
+          0,
+          0,
+        ),
+        leave_type: "work",
+        arrival_time: now,
+        departure_time: null,
+        notes: "dashboard_window_test",
+      },
+    });
+    createdIds.push(row.id);
+
+    const res = await app.inject({
+      method: "GET",
+      url: "/api/admin/dashboard",
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+
+    expect(res.statusCode).toBe(200);
+    const body = res.json();
+    expect(body.success).toBe(true);
+
+    const attendance = body.data.attendance;
+    expect(attendance).toBeTruthy();
+    const me = attendance.users.find(
+      (u: { user_id: number }) => u.user_id === adminUserId,
+    );
+    expect(me).toBeTruthy();
+    expect(me.status).toBe("in");
+    expect(attendance.present_today).toBeGreaterThanOrEqual(1);
+  });
+});

src/__tests__/drafts-deferred-numbering.test.ts

@@ -51,6 +51,8 @@ describe("issued-order drafts — deferred numbering", () => {
   it("a draft has no number and does NOT consume the sequence", async () => {
     const before = (await previewIssuedOrderNumber()).number;
     const draft = await createIssuedOrder({}); // defaults to draft
+    if ("error" in draft)
+      throw new Error(`createIssuedOrder failed: ${draft.error}`);
     issuedOrderIds.push(draft.id);
     expect(draft.status).toBe("draft");
     expect(draft.po_number).toBeNull();
@@ -62,6 +64,8 @@ describe("issued-order drafts — deferred numbering", () => {
   it("finalizing a draft (draft -> sent) assigns the next sequence number", async () => {
     const expected = (await previewIssuedOrderNumber()).number;
     const draft = await createIssuedOrder({});
+    if ("error" in draft)
+      throw new Error(`createIssuedOrder failed: ${draft.error}`);
     issuedOrderIds.push(draft.id);
 
     const res = await updateIssuedOrder(draft.id, { status: "sent" });
@@ -77,6 +81,8 @@ describe("issued-order drafts — deferred numbering", () => {
 
   it("finalizing is idempotent — re-finalizing does not re-number", async () => {
     const draft = await createIssuedOrder({});
+    if ("error" in draft)
+      throw new Error(`createIssuedOrder failed: ${draft.error}`);
     issuedOrderIds.push(draft.id);
 
     await updateIssuedOrder(draft.id, { status: "sent" });
@@ -104,6 +110,8 @@ describe("issued-order drafts — deferred numbering", () => {
   it("two drafts coexist with null numbers (no unique violation)", async () => {
     const a = await createIssuedOrder({});
     const b = await createIssuedOrder({});
+    if ("error" in a) throw new Error(`createIssuedOrder failed: ${a.error}`);
+    if ("error" in b) throw new Error(`createIssuedOrder failed: ${b.error}`);
     issuedOrderIds.push(a.id, b.id);
     expect(a.po_number).toBeNull();
     expect(b.po_number).toBeNull();
@@ -112,6 +120,8 @@ describe("issued-order drafts — deferred numbering", () => {
   it("deleting a draft releases nothing (no number was consumed)", async () => {
     const before = (await previewIssuedOrderNumber()).number;
     const draft = await createIssuedOrder({});
+    if ("error" in draft)
+      throw new Error(`createIssuedOrder failed: ${draft.error}`);
     await deleteIssuedOrder(draft.id);
     const after = (await previewIssuedOrderNumber()).number;
     expect(after).toBe(before);

src/__tests__/invoice-alerts.test.ts

@@ -0,0 +1,50 @@
+import { describe, it, expect } from "vitest";
+import { computeAlertWindow } from "../services/invoice-alerts";
+import { utcMidnightOfLocalDay } from "../utils/date";
+
+// Pure tests — no DB rows are touched. due_date is @db.Date: Prisma truncates
+// a Date used in a WHERE filter to its UTC date part, so the alert window
+// boundaries must be UTC midnights of the LOCAL calendar day. The old code
+// used local midnights (= 22:00/23:00 UTC of the PREVIOUS day), which shifted
+// the [today, today+3] due_date window a day early — the "splatnost za 3 dny"
+// advance alert (due == today+3) could then never fire. All assertions below
+// are timezone-independent (inputs are built from local components).
+
+describe("utcMidnightOfLocalDay", () => {
+  it("preserves the LOCAL calendar day shortly after local midnight (the night window)", () => {
+    // 00:30 local on 2098-07-01 — in Prague (UTC+2) this instant is
+    // 2098-06-30T22:30Z, i.e. its UTC date part is the PREVIOUS day, which is
+    // exactly what Prisma would truncate a bare Date to.
+    const justAfterMidnight = new Date(2098, 6, 1, 0, 30, 0);
+    expect(utcMidnightOfLocalDay(justAfterMidnight).getTime()).toBe(
+      Date.UTC(2098, 6, 1),
+    );
+  });
+
+  it("returns UTC midnight of the local day for a mid-day instant", () => {
+    const noon = new Date(2098, 0, 15, 12, 0, 0);
+    expect(utcMidnightOfLocalDay(noon).getTime()).toBe(Date.UTC(2098, 0, 15));
+  });
+});
+
+describe("computeAlertWindow", () => {
+  it("builds [today, today+3] as UTC midnights of the LOCAL day, with matching strings", () => {
+    // 00:30 local — the window where the old local-midnight computation
+    // produced yesterday's UTC date and the whole window slid a day early.
+    const now = new Date(2098, 6, 1, 0, 30, 0);
+    const w = computeAlertWindow(now);
+
+    expect(w.today.getTime()).toBe(Date.UTC(2098, 6, 1));
+    expect(w.in3days.getTime()).toBe(Date.UTC(2098, 6, 4));
+    expect(w.todayStr).toBe("2098-07-01");
+    expect(w.in3daysStr).toBe("2098-07-04");
+  });
+
+  it("rolls the +3-day bound over a month boundary", () => {
+    const now = new Date(2098, 0, 30, 8, 0, 0); // 2098-01-30
+    const w = computeAlertWindow(now);
+
+    expect(w.in3days.getTime()).toBe(Date.UTC(2098, 1, 2)); // 2098-02-02
+    expect(w.in3daysStr).toBe("2098-02-02");
+  });
+});

src/__tests__/invoices.service.test.ts

@@ -1,6 +1,14 @@
-import { describe, it, expect } from "vitest";
+import { describe, it, expect, afterEach, beforeEach } from "vitest";
 import { Prisma } from "@prisma/client";
-import { invoiceTotalWithVat } from "../services/invoices.service";
+import prisma from "../config/database";
+import {
+  invoiceTotalWithVat,
+  createInvoice,
+  updateInvoice,
+  listInvoices,
+  getInvoiceListTotals,
+} from "../services/invoices.service";
+import { UpdateInvoiceSchema } from "../schemas/invoices.schema";
 
 // `invoiceTotalWithVat` receives a Prisma row whose money columns are real
 // `Prisma.Decimal` instances (the model maps `@db.Decimal` → Decimal). Using
@@ -118,3 +126,138 @@ describe("invoiceTotalWithVat", () => {
     expect(invoiceTotalWithVat(inv)).toBe(968);
   });
 });
+
+/* -------------------------------------------------------------------------- */
+/* PUT regression — billing_text must survive UpdateInvoiceSchema             */
+/* -------------------------------------------------------------------------- */
+
+// The PUT route does `parseBody(UpdateInvoiceSchema, body)` and hands the
+// PARSED data to `updateInvoice`. UpdateInvoiceSchema is a plain z.object,
+// which STRIPS unknown keys — so a field missing from the schema is silently
+// dropped before the service ever sees it, while the client still gets a
+// success response. This block mirrors that exact flow against the real DB.
+
+describe("updateInvoice — billing_text round-trips through UpdateInvoiceSchema", () => {
+  const invoiceIds: number[] = [];
+
+  afterEach(async () => {
+    for (const id of invoiceIds)
+      await prisma.invoices.deleteMany({ where: { id } });
+    invoiceIds.length = 0;
+  });
+
+  it("persists an edited billing_text (the schema must not strip it)", async () => {
+    const draft = await createInvoice({ billing_text: "Původní text" });
+    invoiceIds.push(draft.id);
+
+    // Mirror the route: raw body -> UpdateInvoiceSchema -> updateInvoice.
+    const parsed = UpdateInvoiceSchema.parse({
+      billing_text: "Fakturujeme Vám dle objednávky č. 123",
+    });
+    expect(parsed.billing_text).toBe("Fakturujeme Vám dle objednávky č. 123");
+
+    const res = await updateInvoice(draft.id, parsed);
+    expect("error" in res).toBe(false);
+
+    const row = await prisma.invoices.findUnique({ where: { id: draft.id } });
+    expect(row?.billing_text).toBe("Fakturujeme Vám dle objednávky č. 123");
+  });
+
+  it("clears billing_text when null is sent, and leaves it untouched when absent", async () => {
+    const draft = await createInvoice({ billing_text: "Text na PDF" });
+    invoiceIds.push(draft.id);
+
+    // Absent from the body -> updateInvoice's `!== undefined` guard skips it.
+    await updateInvoice(draft.id, UpdateInvoiceSchema.parse({ notes: "x" }));
+    let row = await prisma.invoices.findUnique({ where: { id: draft.id } });
+    expect(row?.billing_text).toBe("Text na PDF");
+
+    // Explicit null -> cleared (the strFields path maps falsy -> null).
+    await updateInvoice(
+      draft.id,
+      UpdateInvoiceSchema.parse({ billing_text: null }),
+    );
+    row = await prisma.invoices.findUnique({ where: { id: draft.id } });
+    expect(row?.billing_text).toBeNull();
+  });
+});
+
+/* -------------------------------------------------------------------------- */
+/* Month filter boundaries — issue_date is @db.Date                           */
+/* -------------------------------------------------------------------------- */
+
+// issue_date is @db.Date: Prisma compares a Date filter by its UTC date part.
+// The old LOCAL-midnight month bounds (= 22:00/23:00 UTC of the previous day)
+// shifted the window a day back — the list/totals included the previous
+// month's last day and DROPPED invoices issued on the selected month's LAST
+// day. buildInvoiceWhere is shared by listInvoices AND getInvoiceListTotals,
+// so both are exercised. Fixtures use the test-only "TST" currency + far-future
+// 2098 dates so totals can be asserted exactly without colliding with other
+// suites' rows.
+
+describe("listInvoices / getInvoiceListTotals — month filter (@db.Date boundaries)", () => {
+  const cleanup = async () => {
+    // invoice_items cascade on invoice delete.
+    await prisma.invoices.deleteMany({ where: { currency: "TST" } });
+  };
+
+  beforeEach(cleanup);
+  afterEach(cleanup);
+
+  const listParams = {
+    page: 1,
+    limit: 100,
+    skip: 0,
+    sort: "id",
+    order: "asc" as const,
+    search: "",
+  };
+
+  async function createBoundaryFixtures() {
+    // Drafts: no invoice number is consumed, but buildInvoiceWhere has no
+    // status filter so they appear in the list/totals like any invoice.
+    const lastDayJan = await createInvoice({
+      status: "draft",
+      issue_date: "2098-01-31",
+      currency: "TST",
+      vat_rate: 21,
+      items: [{ quantity: 1, unit_price: 100, vat_rate: 21 }], // total 121
+    });
+    const firstDayFeb = await createInvoice({
+      status: "draft",
+      issue_date: "2098-02-01",
+      currency: "TST",
+      vat_rate: 21,
+      items: [{ quantity: 1, unit_price: 200, vat_rate: 21 }], // total 242
+    });
+    return { lastDayJan, firstDayFeb };
+  }
+
+  it("a month's list contains its own LAST day and not the neighbor month's first day", async () => {
+    const { lastDayJan, firstDayFeb } = await createBoundaryFixtures();
+
+    const jan = await listInvoices({ ...listParams, month: 1, year: 2098 });
+    const janIds = jan.data.map((i) => i.id);
+    expect(janIds).toContain(lastDayJan.id);
+    expect(janIds).not.toContain(firstDayFeb.id);
+
+    const feb = await listInvoices({ ...listParams, month: 2, year: 2098 });
+    const febIds = feb.data.map((i) => i.id);
+    expect(febIds).toContain(firstDayFeb.id);
+    expect(febIds).not.toContain(lastDayJan.id);
+  });
+
+  it("per-currency totals include the month's last day exactly once", async () => {
+    await createBoundaryFixtures();
+
+    const jan = await getInvoiceListTotals({ month: 1, year: 2098 });
+    const janTst = jan.totals.find((t) => t.currency === "TST");
+    // 100 + 21 % VAT — proves the Jan 31 invoice is counted and the
+    // Feb 1 invoice (242) is NOT pulled into January.
+    expect(janTst?.amount).toBe(121);
+
+    const feb = await getInvoiceListTotals({ month: 2, year: 2098 });
+    const febTst = feb.totals.find((t) => t.currency === "TST");
+    expect(febTst?.amount).toBe(242);
+  });
+});

src/__tests__/issued-orders.test.ts

@@ -1,5 +1,8 @@
-import { describe, it, expect, afterEach } from "vitest";
+import { describe, it, expect, beforeAll, afterAll, afterEach } from "vitest";
+import Fastify from "fastify";
+import jwt from "jsonwebtoken";
 import prisma from "../config/database";
+import { config } from "../config/env";
 import {
   generateIssuedOrderNumber,
   previewIssuedOrderNumber,
@@ -13,7 +16,9 @@ import {
   listIssuedOrders,
   updateIssuedOrder,
   deleteIssuedOrder,
+  type IssuedOrderInput,
 } from "../services/issued-orders.service";
+import issuedOrdersRoutes from "../routes/admin/issued-orders";
 import { renderIssuedOrderHtml } from "../routes/admin/issued-orders-pdf";
 
 afterEach(async () => {
@@ -53,12 +58,12 @@ describe("issued-order numbering", () => {
 describe("CreateIssuedOrderSchema", () => {
   it("coerces string form numbers and rejects an out-of-range VAT", () => {
     const ok = CreateIssuedOrderSchema.safeParse({
-      customer_id: "5",
+      supplier_id: "5",
       vat_rate: "21",
       items: [{ description: "X", quantity: "2", unit_price: "100" }],
     });
     expect(ok.success).toBe(true);
-    if (ok.success) expect(ok.data.customer_id).toBe(5);
+    if (ok.success) expect(ok.data.supplier_id).toBe(5);
 
     const bad = CreateIssuedOrderSchema.safeParse({ vat_rate: "200" });
     expect(bad.success).toBe(false);
@@ -66,23 +71,38 @@ describe("CreateIssuedOrderSchema", () => {
 });
 
 const createdIds: number[] = [];
-const createdCustomerIds: number[] = [];
+const createdSupplierIds: number[] = [];
 
 afterEach(async () => {
+  // Orders first — the supplier FK is onDelete Restrict.
   for (const id of createdIds)
     await prisma.issued_orders.deleteMany({ where: { id } });
-  for (const id of createdCustomerIds)
+  for (const id of createdSupplierIds)
-    await prisma.customers.deleteMany({ where: { id } });
+    await prisma.sklad_suppliers.deleteMany({ where: { id } });
   createdIds.length = 0;
-  createdCustomerIds.length = 0;
+  createdSupplierIds.length = 0;
 });
 
-async function makeCustomer() {
+async function makeSupplier(
-  const c = await prisma.customers.create({
+  data: Partial<{ name: string; ico: string; is_active: boolean }> = {},
-    data: { name: "Dodavatel s.r.o." },
+) {
+  const s = await prisma.sklad_suppliers.create({
+    data: {
+      name: data.name ?? "io_test_Dodavatel s.r.o.",
+      ico: data.ico ?? null,
+      is_active: data.is_active ?? true,
+    },
   });
-  createdCustomerIds.push(c.id);
+  createdSupplierIds.push(s.id);
-  return c;
+  return s;
+}
+
+/** createIssuedOrder + narrow the supplier-validation union + track cleanup. */
+async function mkIssued(input: IssuedOrderInput = {}) {
+  const res = await createIssuedOrder(input);
+  if ("error" in res) throw new Error(`createIssuedOrder failed: ${res.error}`);
+  createdIds.push(res.id);
+  return res;
 }
 
 describe("computeIssuedOrderTotals (NET + VAT-on-top)", () => {
@@ -120,18 +140,18 @@ describe("computeIssuedOrderTotals (NET + VAT-on-top)", () => {
 });
 
 describe("createIssuedOrder", () => {
-  it("defaults to draft with NO PO number, stores items", async () => {
+  it("defaults to draft with NO PO number, stores supplier_id + items", async () => {
-    const c = await makeCustomer();
+    const s = await makeSupplier();
-    const order = await createIssuedOrder({
+    const order = await mkIssued({
-      customer_id: c.id,
+      supplier_id: s.id,
       items: [
         { description: "Materiál", quantity: 2, unit_price: 100, vat_rate: 21 },
       ],
     });
-    createdIds.push(order.id);
     // Deferred numbering: a draft carries no number.
     expect(order.po_number).toBeNull();
     expect(order.status).toBe("draft");
+    expect(order.supplier_id).toBe(s.id);
     const items = await prisma.issued_order_items.findMany({
       where: { issued_order_id: order.id },
     });
@@ -141,17 +161,20 @@ describe("createIssuedOrder", () => {
 
   it("numbers immediately when created already-finalized (status sent)", async () => {
     const before = (await previewIssuedOrderNumber()).number;
-    const order = await createIssuedOrder({ status: "sent" });
+    const order = await mkIssued({ status: "sent" });
-    createdIds.push(order.id);
     expect(order.po_number).toBe(before);
     expect(order.status).toBe("sent");
   });
+
+  it("rejects a nonexistent supplier_id instead of throwing P2003", async () => {
+    const res = await createIssuedOrder({ supplier_id: 99999999 });
+    expect("error" in res && res.error).toBe("supplier_not_found");
+  });
 });
 
 describe("updateIssuedOrder status transitions", () => {
   it("allows draft -> sent and rejects draft -> completed", async () => {
-    const order = await createIssuedOrder({});
+    const order = await mkIssued({});
-    createdIds.push(order.id);
     const ok = await updateIssuedOrder(order.id, { status: "sent" });
     expect("error" in ok).toBe(false);
     const bad = await updateIssuedOrder(order.id, { status: "completed" });
@@ -159,10 +182,9 @@ describe("updateIssuedOrder status transitions", () => {
   });
 
   it("locks items once confirmed", async () => {
-    const order = await createIssuedOrder({
+    const order = await mkIssued({
       items: [{ description: "A", quantity: 1, unit_price: 10 }],
     });
-    createdIds.push(order.id);
     await updateIssuedOrder(order.id, { status: "sent" });
     await updateIssuedOrder(order.id, { status: "confirmed" });
     await updateIssuedOrder(order.id, {
@@ -174,22 +196,28 @@ describe("updateIssuedOrder status transitions", () => {
     expect(items.length).toBe(1);
     expect(items[0].description).toBe("A");
   });
+
+  it("rejects a nonexistent supplier_id on update", async () => {
+    const order = await mkIssued({});
+    const res = await updateIssuedOrder(order.id, { supplier_id: 99999999 });
+    expect("error" in res && res.error).toBe("supplier_not_found");
+  });
 });
 
 describe("getIssuedOrder", () => {
-  it("returns customer_name and valid_transitions", async () => {
+  it("returns supplier, supplier_name and valid_transitions", async () => {
-    const c = await makeCustomer();
+    const s = await makeSupplier();
-    const order = await createIssuedOrder({ customer_id: c.id });
+    const order = await mkIssued({ supplier_id: s.id });
-    createdIds.push(order.id);
     const detail = await getIssuedOrder(order.id);
-    expect(detail?.customer_name).toBe("Dodavatel s.r.o.");
+    expect(detail?.supplier_name).toBe("io_test_Dodavatel s.r.o.");
+    expect(detail?.supplier?.id).toBe(s.id);
     expect(detail?.valid_transitions).toContain("sent");
   });
 });
 
 describe("deleteIssuedOrder", () => {
   it("deletes, cascades items, frees the latest number", async () => {
-    const order = await createIssuedOrder({
+    const order = await mkIssued({
       items: [{ description: "X", quantity: 1, unit_price: 1 }],
     });
     // Finalize so the order has a real (consumed) number to free on delete.
@@ -215,8 +243,7 @@ describe("deleteIssuedOrder", () => {
     // Allocate a real prior-year number (consumes that year's sequence: 0 -> 1)
     // so the PO number matches the prior year's current highest.
     const { number: poNumber } = await generateIssuedOrderNumber(priorYear);
-    const order = await createIssuedOrder({ po_number: poNumber });
+    const order = await mkIssued({ po_number: poNumber });
-    createdIds.push(order.id);
     // Backdate creation into the prior year so delete derives that year.
     await prisma.issued_orders.update({
       where: { id: order.id },
@@ -234,9 +261,8 @@ describe("deleteIssuedOrder", () => {
 
 describe("listIssuedOrders month filter", () => {
   it("returns only orders whose order_date is in the given month", async () => {
-    const inMonth = await createIssuedOrder({ order_date: "2026-03-15" });
+    const inMonth = await mkIssued({ order_date: "2026-03-15" });
-    const outMonth = await createIssuedOrder({ order_date: "2026-04-15" });
+    const outMonth = await mkIssued({ order_date: "2026-04-15" });
-    createdIds.push(inMonth.id, outMonth.id);
     const res = await listIssuedOrders({
       page: 1,
       limit: 50,
@@ -252,6 +278,142 @@ describe("listIssuedOrders month filter", () => {
   });
 });
 
+/* -------------------------------------------------------------------------- */
+/* Route-level: suppliers lookup endpoint + supplier validation               */
+/* -------------------------------------------------------------------------- */
+
+let app: ReturnType<typeof Fastify> | null = null;
+let adminToken = "";
+let noPermToken = "";
+let noPermUserId = 0;
+let noPermRoleId = 0;
+
+function generateToken(user: {
+  id: number;
+  username: string;
+  roleName: string | null;
+}): string {
+  return jwt.sign(
+    { sub: user.id, username: user.username, role: user.roleName },
+    config.jwt.secret,
+    { expiresIn: "15m" },
+  );
+}
+
+beforeAll(async () => {
+  app = Fastify({ logger: false });
+  await app.register(issuedOrdersRoutes, {
+    prefix: "/api/admin/issued-orders",
+  });
+
+  const admin = await prisma.users.findFirst({
+    where: { roles: { name: "admin" } },
+  });
+  if (!admin) throw new Error("Test setup: admin user not found");
+  adminToken = generateToken({
+    id: admin.id,
+    username: admin.username,
+    roleName: "admin",
+  });
+
+  // A role with NO orders permissions, to prove the lookup endpoint is gated.
+  const noPermRole = await prisma.roles.create({
+    data: {
+      name: "io_test_no_orders",
+      display_name: "Test No Orders",
+      description: "Test role without orders permissions",
+    },
+  });
+  noPermRoleId = noPermRole.id;
+  const noPermUser = await prisma.users.create({
+    data: {
+      username: "io_test_noperm",
+      email: "io_test_noperm@test.local",
+      password_hash:
+        "$2a$12$LJ3m4ys3Lg4oLBFnYP2amuPBzJnJBbGzCl5Y6X9Y8r0q5.s3L6OyO",
+      first_name: "No",
+      last_name: "Orders",
+      is_active: true,
+      role_id: noPermRole.id,
+    },
+  });
+  noPermUserId = noPermUser.id;
+  noPermToken = generateToken({
+    id: noPermUser.id,
+    username: noPermUser.username,
+    roleName: noPermRole.name,
+  });
+});
+
+afterAll(async () => {
+  if (noPermUserId)
+    await prisma.users.delete({ where: { id: noPermUserId } }).catch(() => {});
+  if (noPermRoleId)
+    await prisma.roles.delete({ where: { id: noPermRoleId } }).catch(() => {});
+  if (app) await app.close();
+});
+
+describe("GET /api/admin/issued-orders/suppliers", () => {
+  it("returns active suppliers only (with the picker fields)", async () => {
+    const active = await makeSupplier({
+      name: "io_test_Aktivní dodavatel",
+      ico: "12345678",
+    });
+    const inactive = await makeSupplier({
+      name: "io_test_Neaktivní dodavatel",
+      is_active: false,
+    });
+
+    const res = await app!.inject({
+      method: "GET",
+      url: "/api/admin/issued-orders/suppliers",
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.statusCode).toBe(200);
+    const body = res.json();
+    expect(body.success).toBe(true);
+    const ids = body.data.map((s: { id: number }) => s.id);
+    expect(ids).toContain(active.id);
+    expect(ids).not.toContain(inactive.id);
+    const row = body.data.find((s: { id: number }) => s.id === active.id);
+    expect(row.name).toBe("io_test_Aktivní dodavatel");
+    expect(row.ico).toBe("12345678");
+    // Lightweight lookup shape — all picker fields present.
+    expect(Object.keys(row).sort()).toEqual(
+      ["address", "dic", "email", "ico", "id", "name", "phone"].sort(),
+    );
+  });
+
+  it("is denied (403) to a user with no orders permissions", async () => {
+    const res = await app!.inject({
+      method: "GET",
+      url: "/api/admin/issued-orders/suppliers",
+      headers: { Authorization: `Bearer ${noPermToken}` },
+    });
+    expect(res.statusCode).toBe(403);
+    expect(res.json().success).toBe(false);
+  });
+});
+
+describe("POST /api/admin/issued-orders supplier validation", () => {
+  it("returns 400 (not a P2003 500) for a nonexistent supplier_id", async () => {
+    const res = await app!.inject({
+      method: "POST",
+      url: "/api/admin/issued-orders",
+      headers: { Authorization: `Bearer ${adminToken}` },
+      payload: { supplier_id: 99999999 },
+    });
+    expect(res.statusCode).toBe(400);
+    const body = res.json();
+    expect(body.success).toBe(false);
+    expect(body.error).toBe("Dodavatel nenalezen");
+  });
+});
+
+/* -------------------------------------------------------------------------- */
+/* PDF render                                                                 */
+/* -------------------------------------------------------------------------- */
+
 describe("renderIssuedOrderHtml", () => {
   const order = {
     po_number: "26720001",
@@ -278,11 +440,19 @@ describe("renderIssuedOrderHtml", () => {
 
   const issuer = { name: "Jan Novák" };
 
+  // sklad_suppliers shape: single Text address blob + ico/dic columns.
+  const supplier = {
+    name: "Dodavatel s.r.o.",
+    ico: "12345678",
+    dic: "CZ12345678",
+    address: "Průmyslová 5\n190 00 Praha",
+  };
+
   it("renders the PO number, items, and both party names (PO direction)", () => {
     const html = renderIssuedOrderHtml(
       order,
       items,
-      { name: "Dodavatel s.r.o." },
+      supplier,
       { company_name: "Naše firma" },
       "cs",
       issuer,
@@ -291,14 +461,46 @@ describe("renderIssuedOrderHtml", () => {
     expect(html).toContain("Materiál");
     // Optional item sub-line.
     expect(html).toContain("Detailní popis položky");
-    // PO direction: the customer record is the Dodavatel (supplier), our
+    // PO direction: the sklad_suppliers record is the Dodavatel (supplier),
-    // company is the Odběratel (buyer).
+    // our company is the Odběratel (buyer).
     expect(html).toContain("Dodavatel s.r.o.");
     expect(html).toContain("Naše firma");
     expect(html).toContain("Dodavatel");
     expect(html).toContain("Odběratel");
   });
 
+  it("renders the supplier address (split on newlines) plus IČO and DIČ", () => {
+    const html = renderIssuedOrderHtml(
+      order,
+      items,
+      supplier,
+      null,
+      "cs",
+      issuer,
+    );
+    // The single Text address blob becomes one address line per newline.
+    expect(html).toContain('<div class="address-line">Průmyslová 5</div>');
+    expect(html).toContain('<div class="address-line">190 00 Praha</div>');
+    expect(html).toContain("IČ: 12345678");
+    expect(html).toContain("DIČ: CZ12345678");
+  });
+
+  it("renders a no-newline address as a single line and skips missing IČO/DIČ", () => {
+    const html = renderIssuedOrderHtml(
+      order,
+      items,
+      { name: "Jednořádkový", address: "Ulice 1, 100 00 Praha" },
+      null,
+      "cs",
+      issuer,
+    );
+    expect(html).toContain(
+      '<div class="address-line">Ulice 1, 100 00 Praha</div>',
+    );
+    expect(html).not.toContain("IČ: ");
+    expect(html).not.toContain("DIČ: ");
+  });
+
   it("strips script tags from notes", () => {
     const html = renderIssuedOrderHtml(order, items, null, null, "cs", issuer);
     expect(html).not.toContain("<script>");

src/__tests__/order-totals.test.ts

@@ -165,6 +165,7 @@ describe("getIssuedOrderTotals (issued orders) per-currency aggregation", () =>
           { description: "X", quantity: qty, unit_price: price, vat_rate: 21 },
         ],
       });
+      if ("error" in o) throw new Error(`createIssuedOrder failed: ${o.error}`);
       createdIssuedIds.push(o.id);
       return o.id;
     };
@@ -195,6 +196,8 @@ describe("getIssuedOrderTotals (issued orders) per-currency aggregation", () =>
         { description: "X", quantity: 1, unit_price: 1000, vat_rate: 21 },
       ],
     });
+    if ("error" in draft)
+      throw new Error(`createIssuedOrder failed: ${draft.error}`);
     createdIssuedIds.push(draft.id);
 
     const sent = await createIssuedOrder({
@@ -207,6 +210,8 @@ describe("getIssuedOrderTotals (issued orders) per-currency aggregation", () =>
         { description: "X", quantity: 1, unit_price: 1000, vat_rate: 21 },
       ],
     });
+    if ("error" in sent)
+      throw new Error(`createIssuedOrder failed: ${sent.error}`);
     createdIssuedIds.push(sent.id);
 
     const next = await createIssuedOrder({
@@ -218,6 +223,8 @@ describe("getIssuedOrderTotals (issued orders) per-currency aggregation", () =>
         { description: "X", quantity: 1, unit_price: 1000, vat_rate: 21 },
       ],
     });
+    if ("error" in next)
+      throw new Error(`createIssuedOrder failed: ${next.error}`);
     createdIssuedIds.push(next.id);
 
     // Whole target month: both count -> 2 x 1210 = 2420.

src/__tests__/orders-list.test.ts

@@ -1,6 +1,17 @@
-import { describe, it, expect, afterEach } from "vitest";
+import { describe, it, expect, afterEach, beforeAll, afterAll } from "vitest";
+import Fastify from "fastify";
+import cookie from "@fastify/cookie";
+import rateLimit from "@fastify/rate-limit";
+import jwt from "jsonwebtoken";
 import prisma from "../config/database";
-import { createOrder, listOrders } from "../services/orders.service";
+import { config } from "../config/env";
+import ordersRoutes from "../routes/admin/orders";
+import {
+  createOrder,
+  listOrders,
+  getOrder,
+  getOrderAttachment,
+} from "../services/orders.service";
 
 const createdOrderIds: number[] = [];
 const createdCustomerIds: number[] = [];
@@ -80,6 +91,166 @@ describe("listOrders search filter", () => {
   });
 });
 
+describe("order attachment payload hygiene", () => {
+  // The PO attachment blob must be served ONLY by GET /:id/attachment —
+  // list/detail payloads carry attachment_name as the existence signal.
+  const PDF_BYTES = Buffer.from("%PDF-1.4 orders-list-test-attachment-bytes");
+  const TEST_ADMIN = "orders_list_test_admin";
+
+  let app: Awaited<ReturnType<typeof buildOrdersApp>>;
+  let adminToken: string;
+  let adminUserId: number;
+
+  async function buildOrdersApp() {
+    const fastify = Fastify({ logger: false });
+    await fastify.register(cookie);
+    await fastify.register(rateLimit, { max: 1000, timeWindow: "1 minute" });
+    // multipart is registered inside ordersRoutes itself
+    await fastify.register(ordersRoutes, { prefix: "/api/admin/orders" });
+    return fastify;
+  }
+
+  beforeAll(async () => {
+    app = await buildOrdersApp();
+
+    // Clean up any leftover test user from a previous failed run
+    await prisma.users.deleteMany({ where: { username: TEST_ADMIN } });
+
+    const adminRole = await prisma.roles.findFirst({
+      where: { name: "admin" },
+    });
+    if (!adminRole)
+      throw new Error("Admin role not found — seed the database first");
+
+    const adminUser = await prisma.users.create({
+      data: {
+        username: TEST_ADMIN,
+        email: `${TEST_ADMIN}@test.local`,
+        password_hash:
+          "$2a$12$LJ3m4ys3Lg4oLBFnYP2amuPBzJnJBbGzCl5Y6X9Y8r0q5.s3L6OyO",
+        first_name: "Orders",
+        last_name: "ListTest",
+        is_active: true,
+        role_id: adminRole.id,
+      },
+    });
+    adminUserId = adminUser.id;
+    adminToken = jwt.sign(
+      { sub: adminUser.id, username: adminUser.username, role: "admin" },
+      config.jwt.secret,
+      { expiresIn: "15m" },
+    );
+  });
+
+  afterAll(async () => {
+    await prisma.users.deleteMany({ where: { id: adminUserId } });
+    await app.close();
+  });
+
+  /** One order WITH a stored PO attachment, one WITHOUT. */
+  async function makeOrderPair() {
+    const customer = await makeCustomer();
+    const withRes = await createOrder(
+      { ...baseOrder, customer_id: customer.id, create_project: false },
+      PDF_BYTES,
+      "po-test.pdf",
+    );
+    if (!("id" in withRes)) failResult(withRes);
+    createdOrderIds.push(withRes.id!);
+
+    const withoutRes = await createOrder({
+      ...baseOrder,
+      customer_id: customer.id,
+      create_project: false,
+    });
+    if (!("id" in withoutRes)) failResult(withoutRes);
+    createdOrderIds.push(withoutRes.id!);
+
+    return { withId: withRes.id!, withoutId: withoutRes.id! };
+  }
+
+  it("listOrders rows never contain attachment_data; attachment_name signals existence", async () => {
+    const { withId, withoutId } = await makeOrderPair();
+
+    const list = await listOrders(baseListParams);
+    const withRow = list.data.find((o) => o.id === withId);
+    const withoutRow = list.data.find((o) => o.id === withoutId);
+    expect(withRow).toBeTruthy();
+    expect(withoutRow).toBeTruthy();
+
+    expect("attachment_data" in withRow!).toBe(false);
+    expect("attachment_data" in withoutRow!).toBe(false);
+    expect(withRow!.attachment_name).toBe("po-test.pdf");
+    expect(withoutRow!.attachment_name).toBeNull();
+  });
+
+  it("getOrder detail never contains attachment_data but keeps attachment_name", async () => {
+    const { withId, withoutId } = await makeOrderPair();
+
+    const withDetail = await getOrder(withId);
+    const withoutDetail = await getOrder(withoutId);
+    expect(withDetail).toBeTruthy();
+    expect(withoutDetail).toBeTruthy();
+
+    expect("attachment_data" in withDetail!).toBe(false);
+    expect("attachment_data" in withoutDetail!).toBe(false);
+    expect(withDetail!.attachment_name).toBe("po-test.pdf");
+    expect(withoutDetail!.attachment_name).toBeNull();
+  });
+
+  it("HTTP list/detail JSON carries no attachment_data; /attachment still serves the binary", async () => {
+    const { withId, withoutId } = await makeOrderPair();
+    const headers = { authorization: `Bearer ${adminToken}` };
+
+    const listRes = await app.inject({
+      method: "GET",
+      url: "/api/admin/orders?sort=id&order=desc&per_page=100",
+      headers,
+    });
+    expect(listRes.statusCode).toBe(200);
+    const listJson = JSON.parse(listRes.body);
+    expect(listJson.data.map((o: { id: number }) => o.id)).toContain(withId);
+    expect(listRes.body).not.toContain("attachment_data");
+
+    const detailRes = await app.inject({
+      method: "GET",
+      url: `/api/admin/orders/${withId}`,
+      headers,
+    });
+    expect(detailRes.statusCode).toBe(200);
+    expect(detailRes.body).not.toContain("attachment_data");
+    expect(JSON.parse(detailRes.body).data.attachment_name).toBe("po-test.pdf");
+
+    // The dedicated endpoint is the ONE place the blob is served — byte-exact.
+    const attRes = await app.inject({
+      method: "GET",
+      url: `/api/admin/orders/${withId}/attachment`,
+      headers,
+    });
+    expect(attRes.statusCode).toBe(200);
+    expect(attRes.headers["content-type"]).toContain("application/pdf");
+    expect(Buffer.from(attRes.rawPayload).equals(PDF_BYTES)).toBe(true);
+
+    const noAttRes = await app.inject({
+      method: "GET",
+      url: `/api/admin/orders/${withoutId}/attachment`,
+      headers,
+    });
+    expect(noAttRes.statusCode).toBe(404);
+  });
+
+  it("getOrderAttachment round-trips the stored bytes (and null without one)", async () => {
+    const { withId, withoutId } = await makeOrderPair();
+
+    const att = await getOrderAttachment(withId);
+    expect(att).toBeTruthy();
+    expect(att!.filename).toBe("po-test.pdf");
+    expect(att!.data.equals(PDF_BYTES)).toBe(true);
+
+    expect(await getOrderAttachment(withoutId)).toBeNull();
+  });
+});
+
 describe("listOrders month filter", () => {
   it("returns only orders whose created_at is in the given month", async () => {
     const customer = await makeCustomer();

src/__tests__/totp-backup.test.ts

@@ -0,0 +1,239 @@
+import { describe, it, expect, beforeAll, afterAll } from "vitest";
+import crypto from "crypto";
+import bcrypt from "bcryptjs";
+import * as OTPAuthLib from "otpauth";
+import { buildApp, extractCookie } from "./helpers";
+import prisma from "../config/database";
+import { config } from "../config/env";
+import { encrypt } from "../utils/encryption";
+
+let app: Awaited<ReturnType<typeof buildApp>>;
+
+// Fixture prefix so cleanup never touches real data.
+const N = "totp_backup_test_";
+const TEST_USERNAME = `${N}user`;
+
+// Plaintext backup codes seeded for the fixture user (the enable route stores
+// bcrypt hashes of 8-char uppercase hex codes — mirror that format).
+const BACKUP_CODE_1 = "AAAA1111";
+const BACKUP_CODE_2 = "BBBB2222";
+
+let testUserId: number;
+
+/** Pull the raw Set-Cookie header line for a given cookie name (with attrs). */
+function rawSetCookie(res: { headers: Record<string, unknown> }, name: string) {
+  const cookies = res.headers["set-cookie"];
+  if (!cookies) return undefined;
+  const arr = Array.isArray(cookies) ? cookies : [cookies];
+  return arr.find((c) => typeof c === "string" && c.startsWith(`${name}=`)) as
+    | string
+    | undefined;
+}
+
+/** Create a pending TOTP login token the same way /login does (sha256 hash). */
+async function issueLoginToken(userId: number): Promise<string> {
+  const raw = crypto.randomBytes(32).toString("hex");
+  const hash = crypto.createHash("sha256").update(raw).digest("hex");
+  await prisma.totp_login_tokens.create({
+    data: {
+      user_id: userId,
+      token_hash: hash,
+      expires_at: new Date(Date.now() + 5 * 60_000),
+    },
+  });
+  return raw;
+}
+
+// /totp/backup-verify carries its own per-IP rate limit
+// (config.rateLimit.loginTotp, default 5/min) and this file legitimately makes
+// more attempts than that — give each request a distinct source IP.
+let ipCounter = 0;
+function postBackupVerify(payload: Record<string, unknown>) {
+  ipCounter += 1;
+  return app.inject({
+    method: "POST",
+    url: "/api/admin/totp/backup-verify",
+    payload,
+    remoteAddress: `10.99.0.${ipCounter}`,
+  });
+}
+
+async function fixtureUser() {
+  const user = await prisma.users.findUniqueOrThrow({
+    where: { id: testUserId },
+  });
+  return user;
+}
+
+beforeAll(async () => {
+  app = await buildApp();
+
+  // Clean up any leftover fixture from a previous failed run.
+  const leftovers = await prisma.users.findMany({
+    where: { username: { startsWith: N } },
+    select: { id: true },
+  });
+  if (leftovers.length) {
+    const ids = leftovers.map((u) => u.id);
+    await prisma.refresh_tokens.deleteMany({ where: { user_id: { in: ids } } });
+    await prisma.totp_login_tokens.deleteMany({
+      where: { user_id: { in: ids } },
+    });
+    await prisma.users.deleteMany({ where: { username: { startsWith: N } } });
+  }
+
+  const role = await prisma.roles.findFirst();
+  if (!role) throw new Error("Test setup: no roles found — seed the database");
+
+  const hashedCodes = [
+    await bcrypt.hash(BACKUP_CODE_1, config.security.bcryptCost),
+    await bcrypt.hash(BACKUP_CODE_2, config.security.bcryptCost),
+  ];
+
+  const user = await prisma.users.create({
+    data: {
+      username: TEST_USERNAME,
+      email: `${N}user@test.local`,
+      password_hash: await bcrypt.hash(
+        "irrelevant",
+        config.security.bcryptCost,
+      ),
+      first_name: "TotpBackup",
+      last_name: "Test",
+      is_active: true,
+      totp_enabled: true,
+      totp_secret: encrypt(new OTPAuthLib.Secret().base32),
+      totp_backup_codes: JSON.stringify(hashedCodes),
+      role_id: role.id,
+    },
+  });
+  testUserId = user.id;
+});
+
+afterAll(async () => {
+  await prisma.refresh_tokens
+    .deleteMany({ where: { user_id: testUserId } })
+    .catch(() => {});
+  await prisma.totp_login_tokens
+    .deleteMany({ where: { user_id: testUserId } })
+    .catch(() => {});
+  await prisma.users
+    .deleteMany({ where: { username: { startsWith: N } } })
+    .catch(() => {});
+  await app.close();
+});
+
+describe("POST /api/admin/totp/backup-verify", () => {
+  it("returns 400 for missing fields", async () => {
+    const res = await postBackupVerify({});
+    expect(res.statusCode).toBe(400);
+    expect(res.json().success).toBe(false);
+  });
+
+  it("returns 401 for an invalid login token", async () => {
+    const res = await postBackupVerify({
+      login_token: "not-a-real-token",
+      backup_code: BACKUP_CODE_1,
+    });
+    expect(res.statusCode).toBe(401);
+    expect(res.json().success).toBe(false);
+  });
+
+  it("rejects a wrong backup code without consuming the stored codes", async () => {
+    const loginToken = await issueLoginToken(testUserId);
+    const res = await postBackupVerify({
+      login_token: loginToken,
+      backup_code: "ZZZZ9999",
+    });
+    expect(res.statusCode).toBe(401);
+    expect(res.json().success).toBe(false);
+
+    // Both backup codes must still be stored — nothing consumed.
+    const user = await fixtureUser();
+    expect(JSON.parse(user.totp_backup_codes as string)).toHaveLength(2);
+
+    // Reset the failed-attempt counter so this test can't lock the fixture
+    // user for later tests (max_login_attempts comes from system settings).
+    await prisma.users.update({
+      where: { id: testUserId },
+      data: { failed_login_attempts: 0 },
+    });
+    await prisma.totp_login_tokens.deleteMany({
+      where: { user_id: testUserId },
+    });
+  });
+
+  it("issues tokens for a valid login token + backup code and consumes both (single-use)", async () => {
+    const loginToken = await issueLoginToken(testUserId);
+    const res = await postBackupVerify({
+      login_token: loginToken,
+      backup_code: BACKUP_CODE_1,
+    });
+    expect(res.statusCode).toBe(200);
+    const body = res.json();
+    expect(body.success).toBe(true);
+    expect(typeof body.data.access_token).toBe("string");
+    expect(body.data.access_token.length).toBeGreaterThan(0);
+    expect(body.data.expires_in).toBe(config.jwt.accessTokenExpiry);
+    expect(body.data.user.userId).toBe(testUserId);
+
+    // Same login completion as the TOTP path: httpOnly refresh cookie set.
+    const cookie = extractCookie(res, "refresh_token");
+    expect(cookie).toBeTruthy();
+    const raw = rawSetCookie(res, "refresh_token")!;
+    expect(raw).toMatch(/HttpOnly/i);
+    expect(raw).toMatch(/SameSite=Strict/i);
+
+    // The used backup code must be removed (single-use).
+    const user = await fixtureUser();
+    const remaining: string[] = JSON.parse(user.totp_backup_codes as string);
+    expect(remaining).toHaveLength(1);
+
+    // The login token must be consumed: replaying it (even with the second,
+    // still-valid backup code) is rejected.
+    const replay = await postBackupVerify({
+      login_token: loginToken,
+      backup_code: BACKUP_CODE_2,
+    });
+    expect(replay.statusCode).toBe(401);
+  });
+
+  it("rejects reuse of an already-consumed backup code", async () => {
+    const loginToken = await issueLoginToken(testUserId);
+    const res = await postBackupVerify({
+      login_token: loginToken,
+      backup_code: BACKUP_CODE_1,
+    });
+    expect(res.statusCode).toBe(401);
+    expect(res.json().success).toBe(false);
+
+    await prisma.users.update({
+      where: { id: testUserId },
+      data: { failed_login_attempts: 0 },
+    });
+    await prisma.totp_login_tokens.deleteMany({
+      where: { user_id: testUserId },
+    });
+  });
+
+  it("honors remember_me with a long-lived refresh token (parity with /login/totp)", async () => {
+    const loginToken = await issueLoginToken(testUserId);
+    const res = await postBackupVerify({
+      login_token: loginToken,
+      backup_code: BACKUP_CODE_2,
+      remember_me: true,
+    });
+    expect(res.statusCode).toBe(200);
+
+    const raw = rawSetCookie(res, "refresh_token")!;
+    expect(raw).toMatch(
+      new RegExp(`Max-Age=${config.jwt.refreshTokenRememberExpiry}`, "i"),
+    );
+
+    const refreshRow = await prisma.refresh_tokens.findFirst({
+      where: { user_id: testUserId },
+      orderBy: { id: "desc" },
+    });
+    expect(refreshRow?.remember_me).toBe(true);
+  });
+});

src/__tests__/trips.test.ts

@@ -0,0 +1,541 @@
+import { describe, it, expect, beforeAll, afterAll, beforeEach } from "vitest";
+import Fastify from "fastify";
+import cookie from "@fastify/cookie";
+import rateLimit from "@fastify/rate-limit";
+import jwt from "jsonwebtoken";
+import prisma from "../config/database";
+import { config } from "../config/env";
+import { securityHeaders } from "../middleware/security";
+import tripsRoutes from "../routes/admin/trips";
+
+// ---------------------------------------------------------------------------
+// Route-level tests for the trips domain:
+//
+// 1. PUT /trips/:id with vehicle_id actually moves the trip to the new vehicle
+//    (UpdateTripSchema previously had no vehicle_id, so the edit modal's
+//    vehicle change was silently dropped while the UI reported success) and
+//    recomputes actual_km on BOTH vehicles.
+// 2. GET /trips/stats aggregates count/total/business/private km over the
+//    WHOLE filtered set (not one 25-row page), honors the month filter in
+//    both wire formats ("month=5&year=2098" and "month=2098-05"), and scopes
+//    non-managers to their own trips exactly like the list does.
+// ---------------------------------------------------------------------------
+
+/** Note-prefix for test-created rows so cleanup never touches real data. */
+const N = "trips_test_";
+
+let app: Awaited<ReturnType<typeof buildApp>>;
+let adminUserId: number;
+let adminToken: string;
+let scopeUserId: number;
+let scopeRoleId: number;
+let scopeToken: string;
+let vehicleAId: number;
+let vehicleBId: number;
+
+async function buildApp() {
+  const a = Fastify({ logger: false });
+  await a.register(cookie);
+  await a.register(rateLimit, { max: 1000, timeWindow: "1 minute" });
+  a.addHook("onRequest", securityHeaders);
+  await a.register(tripsRoutes, { prefix: "/api/admin/trips" });
+  return a;
+}
+
+/**
+ * Generate a JWT access token. `requireAuth` re-loads auth data from the DB
+ * via `loadAuthData(payload.sub)`, so only the `sub` (user id) matters here.
+ */
+function generateToken(user: {
+  id: number;
+  username: string;
+  roleName: string | null;
+}): string {
+  return jwt.sign(
+    { sub: user.id, username: user.username, role: user.roleName },
+    config.jwt.secret,
+    { expiresIn: "15m" },
+  );
+}
+
+async function authGet(path: string, token: string) {
+  return app.inject({
+    method: "GET",
+    url: path,
+    headers: { Authorization: `Bearer ${token}` },
+  });
+}
+
+async function authPut(path: string, token: string, body: unknown) {
+  return app.inject({
+    method: "PUT",
+    url: path,
+    headers: {
+      Authorization: `Bearer ${token}`,
+      "Content-Type": "application/json",
+    },
+    payload: body as object,
+  });
+}
+
+function tripRow(params: {
+  userId: number;
+  vehicleId: number;
+  date: string;
+  startKm: number;
+  dist: number;
+  isBusiness: boolean;
+}) {
+  return {
+    user_id: params.userId,
+    vehicle_id: params.vehicleId,
+    trip_date: new Date(params.date),
+    start_km: params.startKm,
+    end_km: params.startKm + params.dist,
+    route_from: "Praha",
+    route_to: "Brno",
+    is_business: params.isBusiness,
+    notes: `${N}fixture`,
+  };
+}
+
+async function cleanupFixtureTrips() {
+  await prisma.trips.deleteMany({ where: { notes: { contains: N } } });
+}
+
+beforeAll(async () => {
+  app = await buildApp();
+
+  const admin = await prisma.users.findFirst({
+    where: { roles: { name: "admin" } },
+    include: { roles: true },
+  });
+  if (!admin) throw new Error("Test setup: admin user not found");
+  adminUserId = admin.id;
+  adminToken = generateToken({
+    id: admin.id,
+    username: admin.username,
+    roleName: admin.roles?.name ?? null,
+  });
+
+  // Dedicated non-admin user with trips.record + trips.history (but NOT
+  // trips.manage) for the own-trips scoping tests.
+  const stamp = Date.now().toString(36);
+  const role = await prisma.roles.create({
+    data: {
+      name: `${N}role_${stamp}`,
+      display_name: "Trips Scope Test",
+    },
+  });
+  scopeRoleId = role.id;
+  const perms = await prisma.permissions.findMany({
+    where: { name: { in: ["trips.record", "trips.history"] } },
+    select: { id: true },
+  });
+  if (perms.length !== 2)
+    throw new Error(
+      "Test setup: trips.record/trips.history permissions missing",
+    );
+  await prisma.role_permissions.createMany({
+    data: perms.map((p) => ({ role_id: role.id, permission_id: p.id })),
+  });
+  const scopeUser = await prisma.users.create({
+    data: {
+      username: `${N}user_${stamp}`,
+      first_name: "Trips",
+      last_name: "Scope",
+      email: `${N}${stamp}@test.local`,
+      password_hash:
+        "$2a$10$invalidinvalidinvalidinvalidinvalidinvalidinvalidinvali",
+      role_id: role.id,
+      is_active: true,
+    },
+  });
+  scopeUserId = scopeUser.id;
+  if (scopeUserId === adminUserId)
+    throw new Error("scope user must be distinct from admin");
+  scopeToken = generateToken({
+    id: scopeUser.id,
+    username: scopeUser.username,
+    roleName: role.name,
+  });
+
+  // Two dedicated vehicles (spz is unique, VarChar(20)).
+  const vehicleA = await prisma.vehicles.create({
+    data: { spz: `TTA-${stamp}`, name: "Trips Test A", initial_km: 500 },
+  });
+  const vehicleB = await prisma.vehicles.create({
+    data: { spz: `TTB-${stamp}`, name: "Trips Test B", initial_km: 200 },
+  });
+  vehicleAId = vehicleA.id;
+  vehicleBId = vehicleB.id;
+
+  await cleanupFixtureTrips();
+});
+
+beforeEach(async () => {
+  await cleanupFixtureTrips();
+});
+
+afterAll(async () => {
+  await cleanupFixtureTrips();
+  await prisma.vehicles
+    .deleteMany({ where: { id: { in: [vehicleAId, vehicleBId] } } })
+    .catch(() => {});
+  if (scopeUserId)
+    await prisma.users
+      .deleteMany({ where: { id: scopeUserId } })
+      .catch(() => {});
+  if (scopeRoleId)
+    await prisma.roles
+      .deleteMany({ where: { id: scopeRoleId } })
+      .catch(() => {});
+  if (app) await app.close();
+});
+
+describe("PUT /api/admin/trips/:id — vehicle_id", () => {
+  it("changes the trip's vehicle and recomputes actual_km on both vehicles", async () => {
+    const trip = await prisma.trips.create({
+      data: tripRow({
+        userId: adminUserId,
+        vehicleId: vehicleAId,
+        date: "2098-04-10",
+        startKm: 1000,
+        dist: 500,
+        isBusiness: true,
+      }),
+    });
+
+    // The edit form sends the id as a string (Select value) — intIdFromForm
+    // must coerce it.
+    const res = await authPut(`/api/admin/trips/${trip.id}`, adminToken, {
+      vehicle_id: String(vehicleBId),
+    });
+
+    expect(res.statusCode).toBe(200);
+    expect(res.json().success).toBe(true);
+
+    const updated = await prisma.trips.findUnique({ where: { id: trip.id } });
+    expect(updated!.vehicle_id).toBe(vehicleBId);
+
+    // New vehicle picks up the trip's odometer reading…
+    const vehB = await prisma.vehicles.findUnique({
+      where: { id: vehicleBId },
+    });
+    expect(vehB!.actual_km).toBe(1500);
+    // …and the old vehicle falls back to initial_km (no trips left on it).
+    const vehA = await prisma.vehicles.findUnique({
+      where: { id: vehicleAId },
+    });
+    expect(vehA!.actual_km).toBe(500);
+  });
+
+  it("recomputes actual_km when end_km changes and the vehicle stays the same", async () => {
+    // Two trips on vehicle A — the recompute must take MAX(end_km) over ALL
+    // of the vehicle's trips, not just the edited one.
+    const trip1 = await prisma.trips.create({
+      data: tripRow({
+        userId: adminUserId,
+        vehicleId: vehicleAId,
+        date: "2098-09-10",
+        startKm: 1000,
+        dist: 500, // end_km 1500
+        isBusiness: true,
+      }),
+    });
+    const trip2 = await prisma.trips.create({
+      data: tripRow({
+        userId: adminUserId,
+        vehicleId: vehicleAId,
+        date: "2098-09-12",
+        startKm: 1800,
+        dist: 200, // end_km 2000
+        isBusiness: true,
+      }),
+    });
+
+    // Raising the MAX trip's end_km (vehicle UNCHANGED) moves the odometer up…
+    const raise = await authPut(`/api/admin/trips/${trip2.id}`, adminToken, {
+      end_km: 2200,
+    });
+    expect(raise.statusCode).toBe(200);
+    let vehA = await prisma.vehicles.findUnique({ where: { id: vehicleAId } });
+    expect(vehA!.actual_km).toBe(2200);
+
+    // …while editing the non-MAX trip recomputes but keeps MAX(end_km).
+    const lower = await authPut(`/api/admin/trips/${trip1.id}`, adminToken, {
+      end_km: 1600,
+    });
+    expect(lower.statusCode).toBe(200);
+    const updated = await prisma.trips.findUnique({ where: { id: trip1.id } });
+    expect(updated!.end_km).toBe(1600);
+    expect(updated!.vehicle_id).toBe(vehicleAId);
+    vehA = await prisma.vehicles.findUnique({ where: { id: vehicleAId } });
+    expect(vehA!.actual_km).toBe(2200);
+  });
+
+  it("writes an audit row with oldValues/newValues on update", async () => {
+    const trip = await prisma.trips.create({
+      data: tripRow({
+        userId: adminUserId,
+        vehicleId: vehicleAId,
+        date: "2098-10-10",
+        startKm: 100,
+        dist: 50, // end_km 150
+        isBusiness: true,
+      }),
+    });
+
+    const res = await authPut(`/api/admin/trips/${trip.id}`, adminToken, {
+      end_km: 180,
+      route_to: "Ostrava",
+    });
+    expect(res.statusCode).toBe(200);
+
+    const audit = await prisma.audit_logs.findFirst({
+      where: { action: "update", entity_type: "trip", entity_id: trip.id },
+      orderBy: { id: "desc" },
+    });
+    expect(audit).not.toBeNull();
+    expect(audit!.user_id).toBe(adminUserId);
+
+    // oldValues = the full pre-update row, newValues = the changed fields.
+    expect(audit!.old_values).toBeTruthy();
+    expect(audit!.new_values).toBeTruthy();
+    const oldValues = JSON.parse(audit!.old_values!);
+    const newValues = JSON.parse(audit!.new_values!);
+    expect(oldValues.end_km).toBe(150);
+    expect(oldValues.route_to).toBe("Brno");
+    expect(oldValues.vehicle_id).toBe(vehicleAId);
+    expect(newValues).toEqual({ end_km: 180, route_to: "Ostrava" });
+  });
+
+  it("rejects an invalid vehicle_id with 400", async () => {
+    const trip = await prisma.trips.create({
+      data: tripRow({
+        userId: adminUserId,
+        vehicleId: vehicleAId,
+        date: "2098-04-11",
+        startKm: 100,
+        dist: 50,
+        isBusiness: true,
+      }),
+    });
+
+    const res = await authPut(`/api/admin/trips/${trip.id}`, adminToken, {
+      vehicle_id: "abc",
+    });
+    expect(res.statusCode).toBe(400);
+
+    const unchanged = await prisma.trips.findUnique({ where: { id: trip.id } });
+    expect(unchanged!.vehicle_id).toBe(vehicleAId);
+  });
+});
+
+describe("GET /api/admin/trips/stats", () => {
+  it("aggregates over the WHOLE filtered set, beyond one 25-row page", async () => {
+    // 20 business trips of 10 km + 10 private trips of 7 km in 2098-05.
+    const rows = [];
+    for (let i = 0; i < 20; i++) {
+      rows.push(
+        tripRow({
+          userId: adminUserId,
+          vehicleId: vehicleAId,
+          date: "2098-05-10",
+          startKm: 1000 + i * 10,
+          dist: 10,
+          isBusiness: true,
+        }),
+      );
+    }
+    for (let i = 0; i < 10; i++) {
+      rows.push(
+        tripRow({
+          userId: adminUserId,
+          vehicleId: vehicleBId,
+          date: "2098-05-15",
+          startKm: 2000 + i * 7,
+          dist: 7,
+          isBusiness: false,
+        }),
+      );
+    }
+    await prisma.trips.createMany({ data: rows });
+
+    // The list truncates to the default 25-row page but reports the real total…
+    const listRes = await authGet(
+      "/api/admin/trips?month=5&year=2098",
+      adminToken,
+    );
+    expect(listRes.statusCode).toBe(200);
+    const listBody = listRes.json();
+    expect(listBody.data).toHaveLength(25);
+    expect(listBody.pagination.total).toBe(30);
+    expect(listBody.pagination.total_pages).toBe(2);
+
+    // …while the stats endpoint covers all 30 rows.
+    const res = await authGet(
+      "/api/admin/trips/stats?month=5&year=2098",
+      adminToken,
+    );
+    expect(res.statusCode).toBe(200);
+    const body = res.json();
+    expect(body.success).toBe(true);
+    expect(body.data).toEqual({
+      count: 30,
+      total_km: 20 * 10 + 10 * 7,
+      business_km: 200,
+      private_km: 70,
+    });
+  });
+
+  it("honors the month filter in both wire formats", async () => {
+    await prisma.trips.createMany({
+      data: [
+        tripRow({
+          userId: adminUserId,
+          vehicleId: vehicleAId,
+          date: "2098-06-10",
+          startKm: 100,
+          dist: 10,
+          isBusiness: true,
+        }),
+        tripRow({
+          userId: adminUserId,
+          vehicleId: vehicleAId,
+          date: "2098-06-12",
+          startKm: 110,
+          dist: 20,
+          isBusiness: false,
+        }),
+        tripRow({
+          userId: adminUserId,
+          vehicleId: vehicleAId,
+          date: "2098-07-05",
+          startKm: 130,
+          dist: 40,
+          isBusiness: true,
+        }),
+      ],
+    });
+
+    // Combined "YYYY-MM" format (TripsHistory)
+    const june = await authGet(
+      "/api/admin/trips/stats?month=2098-06",
+      adminToken,
+    );
+    expect(june.statusCode).toBe(200);
+    expect(june.json().data).toEqual({
+      count: 2,
+      total_km: 30,
+      business_km: 10,
+      private_km: 20,
+    });
+
+    // Split month+year format (TripsAdmin)
+    const july = await authGet(
+      "/api/admin/trips/stats?month=7&year=2098",
+      adminToken,
+    );
+    expect(july.statusCode).toBe(200);
+    expect(july.json().data).toEqual({
+      count: 1,
+      total_km: 40,
+      business_km: 40,
+      private_km: 0,
+    });
+  });
+
+  it("scopes non-managers to their own trips (user_id param ignored)", async () => {
+    await prisma.trips.createMany({
+      data: [
+        // 2 trips for the scope user, 3 for the admin — same month.
+        tripRow({
+          userId: scopeUserId,
+          vehicleId: vehicleAId,
+          date: "2098-08-05",
+          startKm: 100,
+          dist: 10,
+          isBusiness: true,
+        }),
+        tripRow({
+          userId: scopeUserId,
+          vehicleId: vehicleAId,
+          date: "2098-08-06",
+          startKm: 110,
+          dist: 15,
+          isBusiness: false,
+        }),
+        tripRow({
+          userId: adminUserId,
+          vehicleId: vehicleBId,
+          date: "2098-08-07",
+          startKm: 200,
+          dist: 100,
+          isBusiness: true,
+        }),
+        tripRow({
+          userId: adminUserId,
+          vehicleId: vehicleBId,
+          date: "2098-08-08",
+          startKm: 300,
+          dist: 100,
+          isBusiness: true,
+        }),
+        tripRow({
+          userId: adminUserId,
+          vehicleId: vehicleBId,
+          date: "2098-08-09",
+          startKm: 400,
+          dist: 100,
+          isBusiness: true,
+        }),
+      ],
+    });
+
+    // Non-manager: only own trips, even when explicitly requesting another user.
+    const own = await authGet(
+      "/api/admin/trips/stats?month=8&year=2098",
+      scopeToken,
+    );
+    expect(own.statusCode).toBe(200);
+    expect(own.json().data).toEqual({
+      count: 2,
+      total_km: 25,
+      business_km: 10,
+      private_km: 15,
+    });
+
+    const spoofed = await authGet(
+      `/api/admin/trips/stats?month=8&year=2098&user_id=${adminUserId}`,
+      scopeToken,
+    );
+    expect(spoofed.statusCode).toBe(200);
+    expect(spoofed.json().data.count).toBe(2);
+
+    // The list applies the exact same scoping.
+    const list = await authGet(
+      "/api/admin/trips?month=8&year=2098",
+      scopeToken,
+    );
+    expect(list.statusCode).toBe(200);
+    expect(list.json().data).toHaveLength(2);
+
+    // Manager (admin) sees everything in the month.
+    const all = await authGet(
+      "/api/admin/trips/stats?month=8&year=2098",
+      adminToken,
+    );
+    expect(all.statusCode).toBe(200);
+    expect(all.json().data.count).toBe(5);
+    expect(all.json().data.total_km).toBe(325);
+
+    // Manager can filter to a single user.
+    const filtered = await authGet(
+      `/api/admin/trips/stats?month=8&year=2098&user_id=${scopeUserId}`,
+      adminToken,
+    );
+    expect(filtered.statusCode).toBe(200);
+    expect(filtered.json().data.count).toBe(2);
+  });
+});

src/__tests__/warehouse.test.ts

@@ -1,4 +1,13 @@
-import { describe, it, expect, beforeAll, afterAll, beforeEach } from "vitest";
+import {
+  describe,
+  it,
+  expect,
+  beforeAll,
+  afterAll,
+  beforeEach,
+  afterEach,
+  vi,
+} from "vitest";
 import Fastify from "fastify";
 import cookie from "@fastify/cookie";
 import rateLimit from "@fastify/rate-limit";
@@ -6,6 +15,7 @@ import jwt from "jsonwebtoken";
 import prisma from "../config/database";
 import { config } from "../config/env";
 import warehouseRoutes from "../routes/admin/warehouse";
+import { nasInvoicesManager } from "../services/nas-financials-manager";
 import { securityHeaders } from "../middleware/security";
 
 // ---------------------------------------------------------------------------
@@ -879,6 +889,177 @@ describe("Receipt flow", () => {
   });
 });
 
+// ---------------------------------------------------------------------------
+// 5b. Receipt attachment download
+// ---------------------------------------------------------------------------
+
+describe("Receipt attachment download", () => {
+  let receiptId: number;
+  let otherReceiptId: number;
+  let attachmentId: number;
+  let diacriticAttachmentId: number;
+  const fileBytes = Buffer.from("%PDF-1.4 fake attachment bytes", "utf8");
+  const filePath = "Přijaté/2026/06/wh_test_priloha.pdf";
+  const diacriticFileName = "příloha č. 1.pdf";
+
+  beforeAll(async () => {
+    // Item + two receipts (attachment belongs to the first one only)
+    const itemRes = await app.inject({
+      method: "POST",
+      url: "/api/admin/warehouse/items",
+      headers: authHeader(adminToken),
+      payload: { name: `${N}item_att_download`, unit: "ks" },
+    });
+    const itemId = itemRes.json().data.id;
+
+    const receiptRes = await app.inject({
+      method: "POST",
+      url: "/api/admin/warehouse/receipts",
+      headers: authHeader(adminToken),
+      payload: {
+        notes: `${N}att_download_a`,
+        items: [{ item_id: itemId, quantity: 1, unit_price: 10 }],
+      },
+    });
+    receiptId = receiptRes.json().data.id;
+
+    const otherReceiptRes = await app.inject({
+      method: "POST",
+      url: "/api/admin/warehouse/receipts",
+      headers: authHeader(adminToken),
+      payload: {
+        notes: `${N}att_download_b`,
+        items: [{ item_id: itemId, quantity: 1, unit_price: 10 }],
+      },
+    });
+    otherReceiptId = otherReceiptRes.json().data.id;
+
+    // Attachment row created directly — the upload endpoint needs a writable
+    // NAS, which is not available in the test environment. The NAS read is
+    // stubbed per-test on the singleton (same temp-dir/stub seam as the
+    // nas-document-manager tests); the DB rows and route logic stay real.
+    const attachment = await prisma.sklad_receipt_attachments.create({
+      data: {
+        receipt_id: receiptId,
+        file_name: "wh_test_priloha.pdf",
+        file_mime: "application/pdf",
+        file_size: fileBytes.length,
+        file_path: filePath,
+      },
+    });
+    attachmentId = attachment.id;
+
+    // Diacritic filename — the norm for a Czech company. Node throws on
+    // header values with chars > U+00FF, so this exercises the RFC 5987 path.
+    const diacriticAttachment = await prisma.sklad_receipt_attachments.create({
+      data: {
+        receipt_id: receiptId,
+        file_name: diacriticFileName,
+        file_mime: "application/pdf",
+        file_size: fileBytes.length,
+        file_path: "Přijaté/2026/06/wh_test_priloha_diakritika.pdf",
+      },
+    });
+    diacriticAttachmentId = diacriticAttachment.id;
+  });
+
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  it("downloads an existing attachment with correct content-type and bytes", async () => {
+    const readSpy = vi
+      .spyOn(nasInvoicesManager, "readReceived")
+      .mockReturnValue({ data: fileBytes, fileName: "wh_test_priloha.pdf" });
+
+    const res = await app.inject({
+      method: "GET",
+      url: `/api/admin/warehouse/receipts/${receiptId}/attachments/${attachmentId}`,
+      headers: authHeader(adminToken),
+    });
+
+    expect(res.statusCode).toBe(200);
+    expect(res.headers["content-type"]).toBe("application/pdf");
+    expect(res.headers["content-disposition"]).toBe(
+      `attachment; filename="wh_test_priloha.pdf"; filename*=UTF-8''wh_test_priloha.pdf`,
+    );
+    expect(res.rawPayload.equals(fileBytes)).toBe(true);
+    expect(readSpy).toHaveBeenCalledWith(filePath);
+  });
+
+  it("downloads an attachment with a Czech diacritic filename (RFC 5987)", async () => {
+    vi.spyOn(nasInvoicesManager, "readReceived").mockReturnValue({
+      data: fileBytes,
+      fileName: diacriticFileName,
+    });
+
+    const res = await app.inject({
+      method: "GET",
+      url: `/api/admin/warehouse/receipts/${receiptId}/attachments/${diacriticAttachmentId}`,
+      headers: authHeader(adminToken),
+    });
+
+    expect(res.statusCode).toBe(200);
+    const disposition = res.headers["content-disposition"];
+    // The real UTF-8 name travels percent-encoded in filename* (RFC 5987) …
+    expect(disposition).toContain(
+      `filename*=UTF-8''${encodeURIComponent(diacriticFileName)}`,
+    );
+    // … alongside an ASCII-only fallback, so the header never carries
+    // chars > U+00FF (which Node's setHeader rejects → 500).
+    expect(disposition).toBe(
+      `attachment; filename="p__loha _. 1.pdf"; filename*=UTF-8''p%C5%99%C3%ADloha%20%C4%8D.%201.pdf`,
+    );
+    expect(res.rawPayload.equals(fileBytes)).toBe(true);
+  });
+
+  it("returns 404 when the attachment belongs to a different receipt", async () => {
+    const readSpy = vi.spyOn(nasInvoicesManager, "readReceived");
+
+    const res = await app.inject({
+      method: "GET",
+      url: `/api/admin/warehouse/receipts/${otherReceiptId}/attachments/${attachmentId}`,
+      headers: authHeader(adminToken),
+    });
+
+    expect(res.statusCode).toBe(404);
+    expect(res.json().success).toBe(false);
+    // Ownership is rejected before any NAS access
+    expect(readSpy).not.toHaveBeenCalled();
+  });
+
+  it("returns 404 for a nonexistent attachment id", async () => {
+    const res = await app.inject({
+      method: "GET",
+      url: `/api/admin/warehouse/receipts/${receiptId}/attachments/99999999`,
+      headers: authHeader(adminToken),
+    });
+    expect(res.statusCode).toBe(404);
+    expect(res.json().success).toBe(false);
+  });
+
+  it("returns 404 when the file is missing on the NAS", async () => {
+    vi.spyOn(nasInvoicesManager, "readReceived").mockReturnValue(null);
+
+    const res = await app.inject({
+      method: "GET",
+      url: `/api/admin/warehouse/receipts/${receiptId}/attachments/${attachmentId}`,
+      headers: authHeader(adminToken),
+    });
+    expect(res.statusCode).toBe(404);
+    expect(res.json().success).toBe(false);
+  });
+
+  it("rejects download without warehouse.view permission (403)", async () => {
+    const res = await app.inject({
+      method: "GET",
+      url: `/api/admin/warehouse/receipts/${receiptId}/attachments/${attachmentId}`,
+      headers: authHeader(noPermToken),
+    });
+    expect(res.statusCode).toBe(403);
+  });
+});
+
 // ---------------------------------------------------------------------------
 // 6. Issue flow
 // ---------------------------------------------------------------------------

src/admin/components/dashboard/DashProfile.tsx

@@ -1,6 +1,7 @@
 import { useState, useRef } from "react";
 import { motion, useReducedMotion } from "framer-motion";
-import { useQueryClient } from "@tanstack/react-query";
+import { useQuery, useQueryClient } from "@tanstack/react-query";
+import QRCode from "qrcode";
 import Box from "@mui/material/Box";
 import Typography from "@mui/material/Typography";
 import IconButton from "@mui/material/IconButton";
@@ -134,6 +135,28 @@ export default function DashProfile({
   // locks <html> scroll like the kit dialogs.
   useDialogScrollLock(show2FASetup);
 
+  // Generate the enrollment QR LOCALLY from the otpauth URI. Never send the
+  // URI to an external QR service: the production CSP (img-src) blocks it and
+  // it would leak the TOTP secret to a third party. A data: URL is allowed by
+  // the CSP. Derived via useQuery (not an effect) per repo conventions.
+  const { data: totpQrDataUrl, isError: totpQrFailed } = useQuery({
+    queryKey: ["totp", "qr", totpQrUri],
+    enabled: !!totpQrUri,
+    staleTime: Infinity,
+    // The URI embeds the TOTP secret — drop it from the cache as soon as the
+    // enrollment UI unmounts instead of keeping it for the default 5-min GC.
+    gcTime: 0,
+    retry: false,
+    queryFn: async () => {
+      try {
+        return await QRCode.toDataURL(totpQrUri!, { width: 200, margin: 2 });
+      } catch (err) {
+        console.error("DashProfile: generování QR kódu selhalo", err);
+        throw err;
+      }
+    },
+  });
+
   const [showModal, setShowModal] = useState(false);
   const [formData, setFormData] = useState<ProfileFormData>({
     username: "",
@@ -549,11 +572,11 @@ export default function DashProfile({
                 Naskenujte QR kód v autentizační aplikaci (Google Authenticator,
                 Authy, Microsoft Authenticator apod.)
               </Typography>
-              {totpQrUri && (
+              {totpQrUri && totpQrDataUrl && (
                 <Box sx={{ textAlign: "center", mb: 2 }}>
                   <Box
                     component="img"
-                    src={`https://api.qrserver.com/v1/create-qr-code/?size=200x200&data=${encodeURIComponent(totpQrUri)}`}
+                    src={totpQrDataUrl}
                     alt="TOTP QR Code"
                     sx={{
                       width: 200,
@@ -561,10 +584,23 @@ export default function DashProfile({
                       borderRadius: 2,
                       border: 1,
                       borderColor: "divider",
+                      // The QR must stay scannable in dark mode — keep it on a
+                      // white tile instead of inheriting the dark paper bg.
+                      bgcolor: "common.white",
                     }}
                   />
                 </Box>
               )}
+              {totpQrUri && totpQrFailed && (
+                <Typography
+                  variant="body2"
+                  color="warning.main"
+                  sx={{ mb: 2, textAlign: "center" }}
+                >
+                  QR kód se nepodařilo vygenerovat. Zadejte prosím klíč do
+                  aplikace ručně.
+                </Typography>
+              )}
               {totpSecret && (
                 <Box sx={{ mb: 2 }}>
                   <Typography

src/admin/context/AuthContext.tsx

@@ -9,6 +9,7 @@ import {
   type ReactNode,
 } from "react";
 import { setSessionExpired, setTokenGetter, setRefreshFn } from "../utils/api";
+import { queryClient } from "../lib/queryClient";
 
 const API_BASE = "/api/admin";
 
@@ -232,6 +233,10 @@ export function AuthProvider({ children }: { children: ReactNode }) {
               remember,
             };
           }
+          // Query keys are user-agnostic (["dashboard"], ["attendance"], …),
+          // so anything cached from a previously logged-in user would be
+          // served to this one — drop the whole cache on every login.
+          queryClient.clear();
           setAccessTokenFn(data.data.access_token, data.data.expires_in);
           setUser(mapUser(data.data.user));
           cachedUserRef.current = mapUser(data.data.user);
@@ -260,19 +265,37 @@ export function AuthProvider({ children }: { children: ReactNode }) {
     ) => {
       setError(null);
       try {
-        const response = await fetch(`${API_BASE}/login/totp`, {
+        // Backup codes have their own endpoint + schema (8-char codes would
-          method: "POST",
+        // fail /login/totp's strict 6-digit TotpVerifySchema). Both endpoints
-          headers: { "Content-Type": "application/json" },
+        // complete the same login flow: tokens issued + refresh cookie set.
-          credentials: "include",
+        const response = await fetch(
-          body: JSON.stringify({
+          isBackup
-            login_token: loginToken,
+            ? `${API_BASE}/totp/backup-verify`
-            totp_code: code,
+            : `${API_BASE}/login/totp`,
-            remember_me: remember,
+          {
-            isBackup,
+            method: "POST",
-          }),
+            headers: { "Content-Type": "application/json" },
-        });
+            credentials: "include",
+            body: JSON.stringify(
+              isBackup
+                ? {
+                    login_token: loginToken,
+                    backup_code: code,
+                    remember_me: remember,
+                  }
+                : {
+                    login_token: loginToken,
+                    totp_code: code,
+                    remember_me: remember,
+                  },
+            ),
+          },
+        );
         const data = await response.json();
         if (data.success) {
+          // Same reason as in login(): the cache may hold the previous
+          // user's data under user-agnostic keys.
+          queryClient.clear();
           setAccessTokenFn(data.data.access_token, data.data.expires_in);
           setUser(mapUser(data.data.user));
           cachedUserRef.current = mapUser(data.data.user);
@@ -312,6 +335,10 @@ export function AuthProvider({ children }: { children: ReactNode }) {
         clearTimeout(refreshTimeoutRef.current);
         refreshTimeoutRef.current = null;
       }
+      // The React Query cache outlives the session — without this, the next
+      // user to log in on this browser sees the previous user's cached
+      // dashboards/lists until each query refetches.
+      queryClient.clear();
     }
   }, [getAccessTokenFn]);
 

src/admin/hooks/useAttendanceAdmin.ts

@@ -6,6 +6,7 @@ import {
   calcProjectMinutesTotal,
   calcFormWorkMinutes,
   calculateWorkMinutes,
+  combineDatetime,
   getDatePart,
   getTimePart,
   formatDate,
@@ -133,9 +134,6 @@ interface DeleteConfirmState {
 
 const API_BASE = "/api/admin";
 
-const combineDatetime = (date: string, time: string): string | null =>
-  date && time ? `${date}T${time}:00` : null;
-
 /**
  * Compute per-user totals from raw attendance records.
  * This replaces the server-side `user_totals` that the PHP backend returned.
@@ -869,7 +867,10 @@ export default function useAttendanceAdmin({ alert }: AlertContext) {
       try {
         const [yearStr, monthStr] = month.split("-");
 
-        let recordsUrl = `${API_BASE}/attendance?year=${yearStr}&month=${monthStr}&limit=1000`;
+        // The KPI cards + summary totals are computed from THIS fetch — it
+        // must cover the complete month (the server allows limit up to 2000
+        // for exactly this view; 2000 ≈ 64 employees × 31 days).
+        let recordsUrl = `${API_BASE}/attendance?year=${yearStr}&month=${monthStr}&limit=2000`;
         if (filterUserId) recordsUrl += `&user_id=${filterUserId}`;
 
         const [recordsResponse, balancesResponse] = await Promise.all([

src/admin/lib/queries/issued-orders.ts

@@ -4,8 +4,8 @@ import { jsonQuery, paginatedJsonQuery } from "../apiAdapter";
 export interface IssuedOrder {
   id: number;
   po_number: string | null;
-  customer_id: number | null;
+  supplier_id: number | null;
-  customer_name: string | null;
+  supplier_name: string | null;
   status: string;
   currency: string | null;
   order_date: string | null;
@@ -14,6 +14,17 @@ export interface IssuedOrder {
   total: number;
 }
 
+/** Active supplier row from the lightweight PO-picker lookup endpoint. */
+export interface Supplier {
+  id: number;
+  name: string;
+  ico: string | null;
+  dic: string | null;
+  address: string | null;
+  email: string | null;
+  phone: string | null;
+}
+
 export interface IssuedOrderItem {
   id?: number;
   description: string | null;
@@ -37,10 +48,19 @@ export interface IssuedOrderDetail extends IssuedOrder {
   notes: string | null;
   internal_notes: string | null;
   items: IssuedOrderItem[];
-  customer: Record<string, unknown> | null;
+  supplier: Record<string, unknown> | null;
   valid_transitions: string[];
 }
 
+// Suppliers lookup for the PO supplier picker — hits the issued-orders-scoped
+// endpoint (orders permissions), NOT the warehouse.manage-guarded CRUD list.
+export const issuedOrderSuppliersOptions = () =>
+  queryOptions({
+    queryKey: ["issued-orders", "suppliers"],
+    queryFn: () => jsonQuery<Supplier[]>("/api/admin/issued-orders/suppliers"),
+    staleTime: 2 * 60_000,
+  });
+
 export const issuedOrderListOptions = (filters: {
   search?: string;
   sort?: string;

src/admin/lib/queries/settings.ts

@@ -86,3 +86,13 @@ export const require2FAOptions = () =>
     queryFn: () =>
       jsonQuery<{ require_2fa: boolean }>("/api/admin/totp/required"),
   });
+
+// Per-user 2FA enrollment status (users.totp_enabled) — NOT the company-wide
+// require_2fa policy above. Mutations that enable/disable 2FA must invalidate
+// the broad ["totp"] domain key.
+export const totpStatusOptions = () =>
+  queryOptions({
+    queryKey: ["totp", "status"],
+    queryFn: () =>
+      jsonQuery<{ totp_enabled: boolean }>("/api/admin/totp/status"),
+  });

src/admin/lib/queries/trips.ts

@@ -1,5 +1,5 @@
 import { queryOptions } from "@tanstack/react-query";
-import { jsonQuery } from "../apiAdapter";
+import { jsonQuery, paginatedJsonQuery } from "../apiAdapter";
 
 export interface TripVehicle {
   id: number;
@@ -59,7 +59,9 @@ export const tripListOptions = (filters: {
       if (filters.page) params.set("page", String(filters.page));
       if (filters.perPage) params.set("per_page", String(filters.perPage));
       const qs = params.toString();
-      return jsonQuery<BackendTrip[]>(`/api/admin/trips${qs ? `?${qs}` : ""}`);
+      return paginatedJsonQuery<BackendTrip>(
+        `/api/admin/trips${qs ? `?${qs}` : ""}`,
+      );
     },
   });
 
@@ -81,6 +83,8 @@ export const tripHistoryOptions = (filters: {
   month?: string;
   vehicleId?: number;
   userId?: number;
+  page?: number;
+  perPage?: number;
 }) =>
   queryOptions({
     queryKey: [
@@ -90,6 +94,8 @@ export const tripHistoryOptions = (filters: {
         month: filters.month,
         vehicleId: filters.vehicleId,
         userId: filters.userId,
+        page: filters.page,
+        perPage: filters.perPage,
       },
     ],
     queryFn: () => {
@@ -98,7 +104,53 @@ export const tripHistoryOptions = (filters: {
       if (filters.vehicleId)
         params.set("vehicle_id", String(filters.vehicleId));
       if (filters.userId) params.set("user_id", String(filters.userId));
+      if (filters.page) params.set("page", String(filters.page));
+      if (filters.perPage) params.set("per_page", String(filters.perPage));
       const qs = params.toString();
-      return jsonQuery<BackendTrip[]>(`/api/admin/trips${qs ? `?${qs}` : ""}`);
+      return paginatedJsonQuery<BackendTrip>(
+        `/api/admin/trips${qs ? `?${qs}` : ""}`,
+      );
+    },
+  });
+
+export interface TripStats {
+  count: number;
+  total_km: number;
+  business_km: number;
+  private_km: number;
+}
+
+// Count/km totals over the WHOLE filtered set (not one page) — hits
+// /trips/stats with the same filters the lists use. `month` accepts either a
+// numeric month (paired with `year`, TripsAdmin style) or a combined
+// "YYYY-MM" string (TripsHistory style); the server supports both.
+export const tripStatsOptions = (filters: {
+  month?: number | string;
+  year?: number;
+  vehicleId?: number;
+  userId?: number;
+}) =>
+  queryOptions({
+    queryKey: [
+      "trips",
+      "stats",
+      {
+        month: filters.month,
+        year: filters.year,
+        vehicleId: filters.vehicleId,
+        userId: filters.userId,
+      },
+    ],
+    queryFn: () => {
+      const params = new URLSearchParams();
+      if (filters.month) params.set("month", String(filters.month));
+      if (filters.year) params.set("year", String(filters.year));
+      if (filters.vehicleId)
+        params.set("vehicle_id", String(filters.vehicleId));
+      if (filters.userId) params.set("user_id", String(filters.userId));
+      const qs = params.toString();
+      return jsonQuery<TripStats>(
+        `/api/admin/trips/stats${qs ? `?${qs}` : ""}`,
+      );
     },
   });

src/admin/pages/AttendanceCreate.tsx

@@ -10,6 +10,7 @@ import { useAuth } from "../context/AuthContext";
 import Forbidden from "../components/Forbidden";
 import { useApiMutation } from "../lib/queries/mutations";
 import { todayLocalStr } from "../utils/formatters";
+import { combineDatetime } from "../utils/attendanceHelpers";
 import {
   Button,
   Card,
@@ -41,6 +42,24 @@ interface CreateForm {
   notes: string;
 }
 
+/**
+ * Wire payload for POST /attendance (CreateAttendanceSchema). The raw form
+ * above is NOT sent directly: its separate date+time inputs are combined into
+ * "YYYY-MM-DDTHH:MM:00" datetimes (same semantics as useAttendanceAdmin's
+ * create modal), and unset optional fields are null — never "".
+ */
+interface CreatePayload {
+  user_id: number;
+  shift_date: string;
+  leave_type: string;
+  notes: string | null;
+  leave_hours?: number;
+  arrival_time?: string | null;
+  departure_time?: string | null;
+  break_start?: string | null;
+  break_end?: string | null;
+}
+
 export default function AttendanceCreate() {
   const alert = useAlert();
   const { hasPermission } = useAuth();
@@ -52,7 +71,7 @@ export default function AttendanceCreate() {
   }));
   const [submitting, setSubmitting] = useState(false);
 
-  const createMutation = useApiMutation<CreateForm, { message?: string }>({
+  const createMutation = useApiMutation<CreatePayload, { message?: string }>({
     url: () => `${API_BASE}/attendance`,
     method: () => "POST",
     invalidate: ["attendance", "users"],
@@ -88,7 +107,36 @@ export default function AttendanceCreate() {
     setSubmitting(true);
 
     try {
-      const result = await createMutation.mutateAsync(form);
+      const isLeave = form.leave_type !== "work";
+      const payload: CreatePayload = {
+        user_id: Number(form.user_id),
+        shift_date: form.shift_date,
+        leave_type: form.leave_type,
+        notes: form.notes || null,
+      };
+
+      if (isLeave) {
+        payload.leave_hours = form.leave_hours || 8;
+      } else {
+        payload.arrival_time = combineDatetime(
+          form.arrival_date,
+          form.arrival_time,
+        );
+        payload.departure_time = combineDatetime(
+          form.departure_date,
+          form.departure_time,
+        );
+        payload.break_start = combineDatetime(
+          form.break_start_date,
+          form.break_start_time,
+        );
+        payload.break_end = combineDatetime(
+          form.break_end_date,
+          form.break_end_time,
+        );
+      }
+
+      const result = await createMutation.mutateAsync(payload);
       alert.success(result?.message || "Uloženo");
       navigate(`/attendance/admin?month=${form.shift_date.substring(0, 7)}`);
     } catch (e) {

src/admin/pages/Dashboard.tsx

@@ -8,7 +8,7 @@ import { useAuth } from "../context/AuthContext";
 import { useAlert } from "../context/AlertContext";
 import apiFetch from "../utils/api";
 import { dashboardOptions } from "../lib/queries/dashboard";
-import { require2FAOptions } from "../lib/queries/settings";
+import { totpStatusOptions } from "../lib/queries/settings";
 import { getCzechDate } from "../utils/dashboardHelpers";
 import { useApiMutation } from "../lib/queries/mutations";
 import { Card, Button, StatusChip, PageEnter } from "../ui";
@@ -86,9 +86,11 @@ export default function Dashboard() {
   const { data: dashDataRaw, isPending: dashLoading } =
     useQuery(dashboardOptions());
   const dashData = dashDataRaw as DashData | undefined;
+  // Personal 2FA enrollment (users.totp_enabled) — NOT the company-wide
+  // require_2fa policy flag (the banner below uses user.require2FA for that).
   const { data: totpData, isPending: totpLoading } =
-    useQuery(require2FAOptions());
+    useQuery(totpStatusOptions());
-  const totpEnabled = totpData?.require_2fa ?? !!user?.totpEnabled;
+  const totpEnabled = totpData?.totp_enabled ?? !!user?.totpEnabled;
 
   const punchMutation = useApiMutation<
     Record<string, unknown>,
@@ -176,6 +178,7 @@ export default function Dashboard() {
       });
       const data = await response.json();
       if (data.success) {
+        queryClient.invalidateQueries({ queryKey: ["totp"] });
         queryClient.invalidateQueries({ queryKey: ["settings"] });
         queryClient.invalidateQueries({ queryKey: ["dashboard"] });
         queryClient.invalidateQueries({ queryKey: ["users"] });
@@ -206,6 +209,7 @@ export default function Dashboard() {
       });
       const data = await response.json();
       if (data.success) {
+        queryClient.invalidateQueries({ queryKey: ["totp"] });
         queryClient.invalidateQueries({ queryKey: ["settings"] });
         queryClient.invalidateQueries({ queryKey: ["dashboard"] });
         queryClient.invalidateQueries({ queryKey: ["users"] });

src/admin/pages/InvoiceDetail.tsx

@@ -51,7 +51,12 @@ import { invoiceDetailOptions } from "../lib/queries/invoices";
 import { offerCustomersOptions } from "../lib/queries/offers";
 import { bankAccountsOptions } from "../lib/queries/common";
 import { jsonQuery } from "../lib/apiAdapter";
-import { formatCurrency, formatDate, todayLocalStr } from "../utils/formatters";
+import {
+  formatCurrency,
+  formatDate,
+  numberOr,
+  todayLocalStr,
+} from "../utils/formatters";
 import { normalizeDateStr } from "../utils/attendanceHelpers";
 import {
   Button,
@@ -686,7 +691,7 @@ export default function InvoiceDetail() {
       tax_date: normalizeDateStr(inv.tax_date),
       currency: inv.currency || "CZK",
       apply_vat: Number(inv.apply_vat) ? 1 : 0,
-      vat_rate: Number(inv.vat_rate) || 21,
+      vat_rate: numberOr(inv.vat_rate, 21),
       payment_method: inv.payment_method || "Příkazem",
       constant_symbol: inv.constant_symbol || "0308",
       issued_by: inv.issued_by || "",
@@ -725,7 +730,11 @@ export default function InvoiceDetail() {
             quantity: Number(item.quantity) || 1,
             unit: item.unit || "",
             unit_price: Number(item.unit_price) || 0,
-            vat_rate: Number(inv.vat_rate) || 21,
+            // Per-line VAT: hydrate from the ITEM's own stored rate (a real DB
+            // column returned by the detail endpoint) — falling back to the
+            // invoice-level rate only when the line carries none. Hydrating
+            // from the invoice rate corrupted mixed-rate invoices on re-save.
+            vat_rate: numberOr(item.vat_rate, numberOr(inv.vat_rate, 21)),
           }))
         : [];
     if (mappedItems.length > 0) {
@@ -781,8 +790,10 @@ export default function InvoiceDetail() {
     // Pre-fill from order
     if (fromOrderId && orderDataQuery.data) {
       const order = orderDataQuery.data;
-      const vatRate =
+      const vatRate = numberOr(
-        Number(order.vat_rate) || (companySettings?.default_vat_rate ?? 21);
+        order.vat_rate,
+        companySettings?.default_vat_rate ?? 21,
+      );
       setForm((prev) => ({
         ...prev,
         customer_id: order.customer_id as number,

src/admin/pages/IssuedOrderDetail.tsx

@@ -41,10 +41,13 @@ import Forbidden from "../components/Forbidden";
 import RichEditor from "../components/RichEditor";
 import apiFetch from "../utils/api";
 import { jsonQuery } from "../lib/apiAdapter";
-import { offerCustomersOptions, type Customer } from "../lib/queries/offers";
+import {
-import { issuedOrderDetailOptions } from "../lib/queries/issued-orders";
+  issuedOrderDetailOptions,
+  issuedOrderSuppliersOptions,
+  type Supplier,
+} from "../lib/queries/issued-orders";
 import { companySettingsOptions } from "../lib/queries/settings";
-import { formatCurrency, todayLocalStr } from "../utils/formatters";
+import { formatCurrency, numberOr, todayLocalStr } from "../utils/formatters";
 import { normalizeDateStr } from "../utils/attendanceHelpers";
 import {
   Button,
@@ -58,7 +61,7 @@ import {
   ConfirmDialog,
   LoadingState,
   PageEnter,
-  CustomerPicker,
+  SupplierPicker,
   headerActionsSx,
 } from "../ui";
 import {
@@ -157,8 +160,8 @@ interface OrderItem {
 }
 
 interface OrderForm {
-  customer_id: number | null;
+  supplier_id: number | null;
-  customer_name: string;
+  supplier_name: string;
   currency: string;
   apply_vat: boolean;
   vat_rate: number;
@@ -506,8 +509,8 @@ export default function IssuedOrderDetail() {
   );
 
   const [form, setForm] = useState<OrderForm>({
-    customer_id: null,
+    supplier_id: null,
-    customer_name: "",
+    supplier_name: "",
     currency: "CZK",
     apply_vat: true,
     vat_rate: 21,
@@ -551,8 +554,34 @@ export default function IssuedOrderDetail() {
   const [deleting, setDeleting] = useState(false);
 
   // ─── Queries ───
-  const customersQuery = useQuery(offerCustomersOptions());
+  const suppliersQuery = useQuery(issuedOrderSuppliersOptions());
-  const customers = customersQuery.data ?? [];
+
+  // The lookup returns ACTIVE suppliers only, but a saved order may reference
+  // a since-deactivated one — without a fallback option the picker would
+  // resolve to nothing and render the counterparty blank. The fallback is
+  // built from the hydrated form state (supplier_name comes from the detail
+  // response), so the name stays visible and a re-save keeps the same id.
+  const suppliers = useMemo<Supplier[]>(() => {
+    const activeSuppliers = suppliersQuery.data ?? [];
+    if (
+      form.supplier_id != null &&
+      !activeSuppliers.some((s: Supplier) => s.id === form.supplier_id)
+    ) {
+      return [
+        ...activeSuppliers,
+        {
+          id: form.supplier_id,
+          name: form.supplier_name || `Dodavatel #${form.supplier_id}`,
+          ico: null,
+          dic: null,
+          address: null,
+          email: null,
+          phone: null,
+        },
+      ];
+    }
+    return activeSuppliers;
+  }, [suppliersQuery.data, form.supplier_id, form.supplier_name]);
 
   const companySettings = useQuery(companySettingsOptions()).data;
   // Configurable currency list from company settings (falls back to the
@@ -576,16 +605,16 @@ export default function IssuedOrderDetail() {
   // ─── Edit mode: hydrate form from detail (once) ───
   useEffect(() => {
     if (!isEdit || dataReady) return;
-    if (detailQuery.isLoading || customersQuery.isLoading) return;
+    if (detailQuery.isLoading || suppliersQuery.isLoading) return;
     if (!detailQuery.data) return;
 
     const d = detailQuery.data;
     setForm({
-      customer_id: d.customer_id ?? null,
+      supplier_id: d.supplier_id ?? null,
-      customer_name: d.customer_name ?? "",
+      supplier_name: d.supplier_name ?? "",
       currency: d.currency || "CZK",
       apply_vat: d.apply_vat !== false,
-      vat_rate: Number(d.vat_rate) || 21,
+      vat_rate: numberOr(d.vat_rate, 21),
       order_date: normalizeDateStr(d.order_date),
       delivery_date: normalizeDateStr(d.delivery_date),
       language: d.language || "cs",
@@ -605,10 +634,10 @@ export default function IssuedOrderDetail() {
             id: it.id,
             description: it.description || "",
             item_description: it.item_description || "",
-            quantity: Number(it.quantity) || 1,
+            quantity: numberOr(it.quantity, 1),
             unit: it.unit || "",
             unit_price: Number(it.unit_price) || 0,
-            vat_rate: Number(it.vat_rate) || Number(d.vat_rate) || 21,
+            vat_rate: numberOr(it.vat_rate, numberOr(d.vat_rate, 21)),
           }))
         : [];
     if (mapped.length > 0) setItems(mapped);
@@ -619,13 +648,13 @@ export default function IssuedOrderDetail() {
     dataReady,
     detailQuery.isLoading,
     detailQuery.data,
-    customersQuery.isLoading,
+    suppliersQuery.isLoading,
   ]);
 
   // ─── Create mode: set the previewed PO number + default issued_by ───
   useEffect(() => {
     if (isEdit || dataReady) return;
-    if (nextNumberQuery.isLoading || customersQuery.isLoading) return;
+    if (nextNumberQuery.isLoading || suppliersQuery.isLoading) return;
     if (nextNumberQuery.data) setPoNumber(nextNumberQuery.data);
     setDataReady(true);
   }, [
@@ -633,7 +662,7 @@ export default function IssuedOrderDetail() {
     dataReady,
     nextNumberQuery.isLoading,
     nextNumberQuery.data,
-    customersQuery.isLoading,
+    suppliersQuery.isLoading,
   ]);
 
   // Keep the displayed PO number in sync once it becomes available — a draft
@@ -715,20 +744,20 @@ export default function IssuedOrderDetail() {
     });
   };
 
-  const selectCustomer = (id: number | null) => {
+  const selectSupplier = (id: number | null) => {
-    const c = id != null ? customers.find((x: Customer) => x.id === id) : null;
+    const s = id != null ? suppliers.find((x: Supplier) => x.id === id) : null;
     setForm((prev) => ({
       ...prev,
-      customer_id: id,
+      supplier_id: id,
-      customer_name: c?.name || "",
+      supplier_name: s?.name || "",
     }));
-    setErrors((prev) => ({ ...prev, customer_id: "" }));
+    setErrors((prev) => ({ ...prev, supplier_id: "" }));
   };
 
   // ─── Submit (create + edit) ───
   const handleSubmit = async (targetStatus?: string) => {
     const newErrors: Record<string, string> = {};
-    if (!form.customer_id) newErrors.customer_id = "Vyberte dodavatele";
+    if (!form.supplier_id) newErrors.supplier_id = "Vyberte dodavatele";
     if (!form.order_date) newErrors.order_date = "Zadejte datum";
     if (items.length === 0 || items.every((i) => !i.description.trim())) {
       newErrors.items = "Přidejte alespoň jednu položku";
@@ -740,7 +769,7 @@ export default function IssuedOrderDetail() {
     setSavingAction(targetStatus ?? "save");
     try {
       const payload: Record<string, unknown> = {
-        customer_id: form.customer_id,
+        supplier_id: form.supplier_id,
         currency: form.currency,
         vat_rate: form.vat_rate,
         apply_vat: form.apply_vat,
@@ -831,6 +860,12 @@ export default function IssuedOrderDetail() {
     try {
       await statusMutation.mutateAsync({ status: newStatus });
       alert.success("Stav byl změněn");
+      // Mirror the new status into the form (same as handleSubmit's success
+      // path): the one-shot hydration won't re-run (dataReady stays true), so
+      // without this the StatusChip, the `editable` flag and the delete-button
+      // gate would keep reading the stale status until a full remount. The PO
+      // number is repopulated by the detail-query sync effect.
+      setForm((prev) => ({ ...prev, status: newStatus }));
     } catch (err) {
       alert.error(err instanceof Error ? err.message : "Chyba připojení");
     } finally {
@@ -1102,13 +1137,13 @@ export default function IssuedOrderDetail() {
               gap: 2,
             }}
           >
-            <Field label="Dodavatel" error={errors.customer_id} required>
+            <Field label="Dodavatel" error={errors.supplier_id} required>
-              <CustomerPicker
+              <SupplierPicker
-                customers={customers}
+                suppliers={suppliers}
-                value={form.customer_id}
+                value={form.supplier_id}
-                onChange={selectCustomer}
+                onChange={selectSupplier}
                 disabled={!editable}
-                error={errors.customer_id}
+                error={errors.supplier_id}
                 placeholder="Vyberte dodavatele…"
               />
             </Field>

src/admin/pages/IssuedOrders.tsx

@@ -229,10 +229,10 @@ export default function IssuedOrders({ month, year }: IssuedOrdersProps) {
       ),
     },
     {
-      key: "customer_name",
+      key: "supplier_name",
       header: "Dodavatel",
       width: "24%",
-      render: (o) => o.customer_name || "—",
+      render: (o) => o.supplier_name || "—",
     },
     {
       key: "status",

src/admin/pages/Projects.tsx

@@ -172,7 +172,13 @@ export default function Projects() {
     enabled: showCreate,
   });
 
-  const createMutation = useApiMutation<typeof createForm, { id: number }>({
+  const createMutation = useApiMutation<
+    Omit<typeof createForm, "start_date" | "end_date"> & {
+      start_date: string | null;
+      end_date: string | null;
+    },
+    { id: number }
+  >({
     url: () => `${API_BASE}/projects`,
     method: () => "POST",
     invalidate: ["projects", "orders", "offers", "invoices", "attendance"],
@@ -204,7 +210,13 @@ export default function Projects() {
 
     setCreating(true);
     try {
-      await createMutation.mutateAsync(createForm);
+      // Server's isoDateString.nullish() accepts null but rejects "" —
+      // send empty date fields as null so the create doesn't 400.
+      await createMutation.mutateAsync({
+        ...createForm,
+        start_date: createForm.start_date || null,
+        end_date: createForm.end_date || null,
+      });
     } catch (e) {
       alert.error(e instanceof Error ? e.message : "Chyba připojení");
     } finally {

src/admin/pages/Trips.tsx

@@ -12,9 +12,11 @@ import { formatKm, todayLocalStr } from "../utils/formatters";
 import apiFetch from "../utils/api";
 import {
   tripListOptions,
+  tripStatsOptions,
   tripVehiclesOptions,
   type BackendTrip,
 } from "../lib/queries/trips";
+import { usePaginatedQuery } from "../hooks/usePaginatedQuery";
 import { useApiMutation } from "../lib/queries/mutations";
 import {
   Button,
@@ -158,12 +160,20 @@ export default function Trips() {
   const alert = useAlert();
   const { hasPermission } = useAuth();
 
-  const { data: tripsData, isPending: tripsLoading } = useQuery(
+  // "Poslední jízdy" widget — only the 10 newest rows are shown, so fetch
-    tripListOptions({}),
+  // exactly those; the stat cards come from the server-side stats endpoint
-  );
+  // (computed over the whole filtered set, not one page).
-  const { data: vehiclesData } = useQuery(tripVehiclesOptions());
+  const { items: trips, isPending: tripsLoading } =
+    usePaginatedQuery<BackendTrip>(tripListOptions({ perPage: 10 }));
 
-  const trips = tripsData ?? [];
+  // Stat cards are a personal "this month" summary — the header subtitle
+  // shows the current month, so the stats query is scoped to match it.
+  const now = new Date();
+  const { data: stats } = useQuery(
+    tripStatsOptions({ month: now.getMonth() + 1, year: now.getFullYear() }),
+  );
+
+  const { data: vehiclesData } = useQuery(tripVehiclesOptions());
   const vehicles = vehiclesData ?? [];
 
   const [showModal, setShowModal] = useState(false);
@@ -321,19 +331,14 @@ export default function Trips() {
     return <LoadingState />;
   }
 
-  const totals = trips.reduce(
+  const totals = {
-    (acc, t) => {
+    count: stats?.count ?? 0,
-      const dist = t.distance ?? t.end_km - t.start_km;
+    total: stats?.total_km ?? 0,
-      acc.count++;
+    business: stats?.business_km ?? 0,
-      acc.total += dist;
+    private: stats?.private_km ?? 0,
-      if (t.is_business) acc.business += dist;
+  };
-      else acc.private += dist;
-      return acc;
-    },
-    { total: 0, business: 0, private: 0, count: 0 },
-  );
 
-  const recentTrips = trips.slice(0, 10);
+  const recentTrips = trips;
 
   const columns: DataColumn<BackendTrip>[] = [
     {

src/admin/pages/TripsAdmin.tsx

@@ -1,4 +1,4 @@
-import { useState, useRef } from "react";
+import { useState } from "react";
 import { useQuery } from "@tanstack/react-query";
 import { Link as RouterLink } from "react-router-dom";
 import Box from "@mui/material/Box";
@@ -9,11 +9,15 @@ import { useAuth } from "../context/AuthContext";
 import Forbidden from "../components/Forbidden";
 import {
   tripListOptions,
+  tripStatsOptions,
   tripVehiclesOptions,
   tripUsersOptions,
   type BackendTrip,
+  type TripStats,
 } from "../lib/queries/trips";
 import { companySettingsOptions } from "../lib/queries/settings";
+import { jsonQuery } from "../lib/apiAdapter";
+import { usePaginatedQuery } from "../hooks/usePaginatedQuery";
 import { formatDate } from "../utils/attendanceHelpers";
 import { formatKm } from "../utils/formatters";
 import { useApiMutation } from "../lib/queries/mutations";
@@ -28,6 +32,7 @@ import {
   Select,
   DateField,
   MonthField,
+  Pagination,
   StatusChip,
   FilterBar,
   LoadingState,
@@ -83,6 +88,190 @@ function mapTrip(bt: BackendTrip): Trip {
   };
 }
 
+/**
+ * Escape user-origin strings before interpolating them into the print HTML
+ * (the JSX hidden-div approach escaped automatically; the string template
+ * must do it explicitly).
+ */
+function escapeHtml(value: string): string {
+  return value
+    .replace(/&/g, "&")
+    .replace(/</g, "&lt;")
+    .replace(/>/g, "&gt;")
+    .replace(/"/g, "&quot;")
+    .replace(/'/g, "&#39;");
+}
+
+const PRINT_STYLES = `
+  * { margin: 0; padding: 0; box-sizing: border-box; }
+  body {
+    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+    font-size: 10px;
+    line-height: 1.4;
+    color: #000;
+    background: #fff;
+    padding: 10mm;
+  }
+  .print-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: flex-start;
+    margin-bottom: 15px;
+    padding-bottom: 10px;
+    border-bottom: 2px solid #333;
+  }
+  .print-header-left { display: flex; align-items: center; gap: 12px; }
+  .print-logo { height: 40px; width: auto; }
+  .print-header-text { text-align: left; }
+  .print-header-right { text-align: right; }
+  .print-header h1 { font-size: 18px; font-weight: 700; margin-bottom: 3px; }
+  .print-header .company { font-size: 11px; color: #666; }
+  .print-header .period { font-size: 13px; font-weight: 600; color: #333; margin-bottom: 2px; }
+  .print-header .filters { font-size: 10px; color: #666; }
+  .print-header .generated { font-size: 9px; color: #888; margin-top: 5px; }
+  .summary {
+    display: flex;
+    justify-content: space-around;
+    margin-bottom: 15px;
+    padding: 10px;
+    background: #f5f5f5;
+    border: 1px solid #ddd;
+  }
+  .summary-item { text-align: center; }
+  .summary-value { font-size: 14px; font-weight: 700; }
+  .summary-label { font-size: 9px; color: #666; }
+  table { width: 100%; border-collapse: collapse; margin-bottom: 15px; }
+  th, td { border: 1px solid #333; padding: 4px 6px; text-align: left; }
+  th { background: #333; color: #fff; font-weight: 600; font-size: 9px; text-transform: uppercase; }
+  td { font-size: 9px; }
+  tr:nth-child(even) { background: #f9f9f9; }
+  .text-center { text-align: center; }
+  .text-right { text-align: right; }
+  tfoot td { background: #eee; font-weight: 600; }
+  .badge {
+    display: inline-block;
+    padding: 1px 4px;
+    border-radius: 2px;
+    font-size: 8px;
+    font-weight: 500;
+  }
+  .badge-success { background: #dcfce7; color: #16a34a; }
+  .badge-warning { background: #fef3c7; color: #d97706; }
+  @media print {
+    body { padding: 5mm; }
+    @page { size: A4 landscape; margin: 5mm; }
+    thead { display: table-header-group; }
+  }
+`;
+
+/**
+ * Build the full print document from the fetched /trips/print data set —
+ * no hidden-div/innerHTML round-trip, so there is nothing to race against
+ * React's commit.
+ */
+function buildPrintHtml(opts: {
+  trips: Trip[];
+  totals: TripStats;
+  periodName: string;
+  companyName: string;
+  vehicleName: string | null;
+  userName: string | null;
+  logoUrl: string;
+}): string {
+  const { trips, totals } = opts;
+
+  const rows = trips
+    .map(
+      (trip) => `
+        <tr>
+          <td>${formatDate(trip.trip_date)}</td>
+          <td>${escapeHtml(trip.driver_name)}</td>
+          <td>${escapeHtml(trip.spz)}</td>
+          <td>${escapeHtml(trip.route_from)} &rarr; ${escapeHtml(trip.route_to)}</td>
+          <td class="text-right">${formatKm(trip.start_km)} - ${formatKm(trip.end_km)}</td>
+          <td class="text-right"><strong>${formatKm(trip.distance)} km</strong></td>
+          <td class="text-center">
+            <span class="badge ${trip.is_business ? "badge-success" : "badge-warning"}">
+              ${trip.is_business ? "Služební" : "Soukromá"}
+            </span>
+          </td>
+          <td>${escapeHtml(trip.notes || "")}</td>
+        </tr>`,
+    )
+    .join("");
+
+  return `
+    <!DOCTYPE html>
+    <html lang="cs">
+    <head>
+      <meta charset="UTF-8">
+      <meta name="viewport" content="width=device-width, initial-scale=1.0">
+      <title>Kniha jízd - ${escapeHtml(opts.periodName)}</title>
+      <style>${PRINT_STYLES}</style>
+    </head>
+    <body>
+      <div class="print-header">
+        <div class="print-header-left">
+          <img src="${opts.logoUrl}" alt="" class="print-logo" />
+          <div class="print-header-text">
+            <h1>KNIHA JÍZD</h1>
+            <div class="company">${escapeHtml(opts.companyName)}</div>
+          </div>
+        </div>
+        <div class="print-header-right">
+          <div class="period">${escapeHtml(opts.periodName)}</div>
+          ${opts.vehicleName ? `<div class="filters">Vozidlo: ${escapeHtml(opts.vehicleName)}</div>` : ""}
+          ${opts.userName ? `<div class="filters">Řidič: ${escapeHtml(opts.userName)}</div>` : ""}
+          <div class="generated">Vygenerováno: ${new Date().toLocaleString("cs-CZ")}</div>
+        </div>
+      </div>
+
+      <div class="summary">
+        <div class="summary-item">
+          <div class="summary-value">${totals.count}</div>
+          <div class="summary-label">Počet jízd</div>
+        </div>
+        <div class="summary-item">
+          <div class="summary-value">${formatKm(totals.total_km)} km</div>
+          <div class="summary-label">Celkem</div>
+        </div>
+        <div class="summary-item">
+          <div class="summary-value">${formatKm(totals.business_km)} km</div>
+          <div class="summary-label">Služební</div>
+        </div>
+        <div class="summary-item">
+          <div class="summary-value">${formatKm(totals.private_km)} km</div>
+          <div class="summary-label">Soukromé</div>
+        </div>
+      </div>
+
+      <table>
+        <thead>
+          <tr>
+            <th style="width: 70px">Datum</th>
+            <th style="width: 80px">Řidič</th>
+            <th style="width: 70px">Vozidlo</th>
+            <th>Trasa</th>
+            <th style="width: 70px" class="text-right">Stav km</th>
+            <th style="width: 60px" class="text-right">Vzdálenost</th>
+            <th style="width: 55px" class="text-center">Typ</th>
+            <th>Poznámka</th>
+          </tr>
+        </thead>
+        <tbody>${rows}</tbody>
+        <tfoot>
+          <tr>
+            <td colspan="5" class="text-right">Celkem:</td>
+            <td class="text-right"><strong>${formatKm(totals.total_km)} km</strong></td>
+            <td colspan="2"></td>
+          </tr>
+        </tfoot>
+      </table>
+    </body>
+    </html>
+  `;
+}
+
 const PrintIcon = (
   <svg
     width="18"
@@ -188,7 +377,7 @@ export default function TripsAdmin() {
   });
   const [filterVehicleId, setFilterVehicleId] = useState("");
   const [filterUserId, setFilterUserId] = useState("");
-  const printRef = useRef<HTMLDivElement>(null);
+  const [page, setPage] = useState(1);
 
   const [showEditModal, setShowEditModal] = useState(false);
   const [editingTrip, setEditingTrip] = useState<Trip | null>(null);
@@ -217,16 +406,27 @@ export default function TripsAdmin() {
   const { data: companySettings } = useQuery(companySettingsOptions());
   const companyName = companySettings?.company_name ?? "";
 
-  const { data: tripsData, isPending } = useQuery(
+  // ONE shared filter object for the list, stats AND print requests so the
-    tripListOptions({
+  // three can never drift apart. An empty MonthField value yields
-      month: Number(filterPeriod.slice(5, 7)) || undefined,
+  // month/year = undefined (omitted from the request), mirroring the
-      year: Number(filterPeriod.slice(0, 4)) || undefined,
+  // `Number(...) || undefined` guard the queries always used.
-      vehicleId: filterVehicleId ? Number(filterVehicleId) : undefined,
+  const filters = {
-      userId: filterUserId ? Number(filterUserId) : undefined,
+    month: Number(filterPeriod.slice(5, 7)) || undefined,
-      perPage: 100,
+    year: Number(filterPeriod.slice(0, 4)) || undefined,
-    }),
+    vehicleId: filterVehicleId ? Number(filterVehicleId) : undefined,
-  );
+    userId: filterUserId ? Number(filterUserId) : undefined,
-  const trips = (tripsData ?? []).map(mapTrip);
+  };
+
+  const {
+    items: tripsItems,
+    pagination,
+    isPending,
+  } = usePaginatedQuery<BackendTrip>(tripListOptions({ ...filters, page }));
+  const trips = tripsItems.map(mapTrip);
+
+  // Stat cards: totals over the WHOLE filtered set (server-side aggregate),
+  // not just the visible page.
+  const { data: stats } = useQuery(tripStatsOptions(filters));
 
   // useApiMutation JSON.stringifies the whole TIn as the request body, so
   // TIn must match the backend schema (UpdateTripSchema) shape directly —
@@ -318,10 +518,12 @@ export default function TripsAdmin() {
   };
 
   const getPeriodName = () =>
-    new Date(
+    filterPeriod
-      Number(filterPeriod.slice(0, 4)),
+      ? new Date(
-      Number(filterPeriod.slice(5, 7)) - 1,
+          Number(filterPeriod.slice(0, 4)),
-    ).toLocaleString("cs-CZ", { month: "long", year: "numeric" });
+          Number(filterPeriod.slice(5, 7)) - 1,
+        ).toLocaleString("cs-CZ", { month: "long", year: "numeric" })
+      : "Všechna období";
   const getSelectedVehicleName = () => {
     if (!filterVehicleId) return null;
     const v = vehicles.find((v) => String(v.id) === filterVehicleId);
@@ -333,94 +535,61 @@ export default function TripsAdmin() {
     return u?.name || null;
   };
 
-  const handlePrint = () => {
+  const handlePrint = async () => {
-    const periodName = getPeriodName();
+    // Open the print window SYNCHRONOUSLY, inside the click's transient
+    // activation — calling window.open after the network await can fall
+    // outside the activation window and get popup-blocked (which previously
+    // failed silently).
+    const printWindow = window.open("", "_blank");
+    if (!printWindow) {
+      alert.error("Tisk byl zablokován prohlížečem");
+      return;
+    }
 
-    setTimeout(() => {
+    // Fetch the FULL filtered set for the printout — the list query is
-      if (printRef.current) {
+    // paginated, so printing from it would truncate to the visible page.
-        const content = printRef.current.innerHTML;
+    let printTrips: Trip[];
-        const printWindow = window.open("", "_blank");
+    let printTotals: TripStats;
-        if (!printWindow) return;
+    try {
-        printWindow.document.write(`
+      const params = new URLSearchParams();
-          <!DOCTYPE html>
+      if (filters.month) params.set("month", String(filters.month));
-          <html lang="cs">
+      if (filters.year) params.set("year", String(filters.year));
-          <head>
+      if (filters.vehicleId)
-            <meta charset="UTF-8">
+        params.set("vehicle_id", String(filters.vehicleId));
-            <meta name="viewport" content="width=device-width, initial-scale=1.0">
+      if (filters.userId) params.set("user_id", String(filters.userId));
-            <title>Kniha jízd - ${periodName}</title>
+      const data = await jsonQuery<{ trips: BackendTrip[]; totals: TripStats }>(
-            <style>
+        `${API_BASE}/trips/print?${params.toString()}`,
-              * { margin: 0; padding: 0; box-sizing: border-box; }
+      );
-              body {
+      printTrips = data.trips.map(mapTrip);
-                font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+      printTotals = data.totals;
-                font-size: 10px;
+    } catch (e) {
-                line-height: 1.4;
+      printWindow.close();
-                color: #000;
+      console.error("Trip print data fetch failed:", e);
-                background: #fff;
+      alert.error(e instanceof Error ? e.message : "Chyba připojení");
-                padding: 10mm;
+      return;
-              }
+    }
-              .print-header {
+
-                display: flex;
+    // The user closed the popup while the data was loading — a deliberate
-                justify-content: space-between;
+    // cancel, not an error.
-                align-items: flex-start;
+    if (printWindow.closed) return;
-                margin-bottom: 15px;
+
-                padding-bottom: 10px;
+    // The document is built directly from the fetched data (no hidden-div /
-                border-bottom: 2px solid #333;
+    // setTimeout round-trip), so it can be neither unmounted nor stale.
-              }
+    printWindow.document.write(
-              .print-header-left { display: flex; align-items: center; gap: 12px; }
+      buildPrintHtml({
-              .print-logo { height: 40px; width: auto; }
+        trips: printTrips,
-              .print-header-text { text-align: left; }
+        totals: printTotals,
-              .print-header-right { text-align: right; }
+        periodName: getPeriodName(),
-              .print-header h1 { font-size: 18px; font-weight: 700; margin-bottom: 3px; }
+        companyName,
-              .print-header .company { font-size: 11px; color: #666; }
+        vehicleName: getSelectedVehicleName(),
-              .print-header .period { font-size: 13px; font-weight: 600; color: #333; margin-bottom: 2px; }
+        userName: getSelectedUserName(),
-              .print-header .filters { font-size: 10px; color: #666; }
+        logoUrl: `${window.location.origin}/api/admin/company-settings/logo?variant=light`,
-              .print-header .generated { font-size: 9px; color: #888; margin-top: 5px; }
+      }),
-              .summary {
+    );
-                display: flex;
+    printWindow.document.close();
-                justify-content: space-around;
+    printWindow.onload = () => {
-                margin-bottom: 15px;
+      printWindow.print();
-                padding: 10px;
+    };
-                background: #f5f5f5;
-                border: 1px solid #ddd;
-              }
-              .summary-item { text-align: center; }
-              .summary-value { font-size: 14px; font-weight: 700; }
-              .summary-label { font-size: 9px; color: #666; }
-              table { width: 100%; border-collapse: collapse; margin-bottom: 15px; }
-              th, td { border: 1px solid #333; padding: 4px 6px; text-align: left; }
-              th { background: #333; color: #fff; font-weight: 600; font-size: 9px; text-transform: uppercase; }
-              td { font-size: 9px; }
-              tr:nth-child(even) { background: #f9f9f9; }
-              .text-center { text-align: center; }
-              .text-right { text-align: right; }
-              tfoot td { background: #eee; font-weight: 600; }
-              .badge {
-                display: inline-block;
-                padding: 1px 4px;
-                border-radius: 2px;
-                font-size: 8px;
-                font-weight: 500;
-              }
-              .badge-success { background: #dcfce7; color: #16a34a; }
-              .badge-warning { background: #fef3c7; color: #d97706; }
-              @media print {
-                body { padding: 5mm; }
-                @page { size: A4 landscape; margin: 5mm; }
-                thead { display: table-header-group; }
-              }
-            </style>
-          </head>
-          <body>
-            ${content}
-          </body>
-          </html>
-        `);
-        printWindow.document.close();
-        printWindow.onload = () => {
-          printWindow.print();
-        };
-      }
-    }, 100);
   };
 
   const calculateDistance = (): number => {
@@ -430,11 +599,9 @@ export default function TripsAdmin() {
   };
 
   const totals = {
-    count: trips.length,
+    count: stats?.count ?? 0,
-    total: trips.reduce((sum, t) => sum + t.distance, 0),
+    total: stats?.total_km ?? 0,
-    business: trips
+    business: stats?.business_km ?? 0,
-      .filter((t) => Number(t.is_business))
-      .reduce((sum, t) => sum + t.distance, 0),
   };
 
   const columns: DataColumn<Trip>[] = [
@@ -541,7 +708,7 @@ export default function TripsAdmin() {
       >
         <Typography variant="h4">Správa knihy jízd</Typography>
         <Box sx={{ display: "flex", gap: 1.5, flexWrap: "wrap" }}>
-          {trips.length > 0 && (
+          {(pagination?.total ?? 0) > 0 && (
             <Button
               variant="outlined"
               color="inherit"
@@ -566,12 +733,21 @@ export default function TripsAdmin() {
       {/* Filters */}
       <FilterBar>
         <Box sx={{ flex: "0 0 180px" }}>
-          <MonthField value={filterPeriod} onChange={setFilterPeriod} />
+          <MonthField
+            value={filterPeriod}
+            onChange={(val) => {
+              setFilterPeriod(val);
+              setPage(1);
+            }}
+          />
         </Box>
         <Box sx={{ flex: "0 0 220px" }}>
           <Select
             value={filterVehicleId}
-            onChange={setFilterVehicleId}
+            onChange={(value) => {
+              setFilterVehicleId(value);
+              setPage(1);
+            }}
             options={[
               { value: "", label: "Všechna vozidla" },
               ...vehicles.map((v) => ({
@@ -584,7 +760,10 @@ export default function TripsAdmin() {
         <Box sx={{ flex: "0 0 220px" }}>
           <Select
             value={filterUserId}
-            onChange={setFilterUserId}
+            onChange={(value) => {
+              setFilterUserId(value);
+              setPage(1);
+            }}
             options={[
               { value: "", label: "Všichni řidiči" },
               ...tripUsers.map((u) => ({
@@ -632,14 +811,21 @@ export default function TripsAdmin() {
         {isPending ? (
           <LoadingState />
         ) : (
-          <DataTable<Trip>
+          <>
-            columns={columns}
+            <DataTable<Trip>
-            rows={trips}
+              columns={columns}
-            rowKey={(trip) => trip.id}
+              rows={trips}
-            empty={
+              rowKey={(trip) => trip.id}
-              <EmptyState title="Žádné záznamy jízd pro vybrané období." />
+              empty={
-            }
+                <EmptyState title="Žádné záznamy jízd pro vybrané období." />
-          />
+              }
+            />
+            <Pagination
+              page={page}
+              pageCount={pagination?.total_pages ?? 1}
+              onChange={setPage}
+            />
+          </>
         )}
       </Card>
 
@@ -796,120 +982,6 @@ export default function TripsAdmin() {
         confirmVariant="danger"
         loading={deleteMutation.isPending}
       />
-
-      {/* Hidden Print Content */}
-      {trips.length > 0 && (
-        <div ref={printRef} style={{ display: "none" }}>
-          <div className="print-header">
-            <div className="print-header-left">
-              <img
-                src="/api/admin/company-settings/logo?variant=light"
-                alt=""
-                className="print-logo"
-              />
-              <div className="print-header-text">
-                <h1>KNIHA JÍZD</h1>
-                <div className="company">{companyName}</div>
-              </div>
-            </div>
-            <div className="print-header-right">
-              <div className="period">{getPeriodName()}</div>
-              {getSelectedVehicleName() && (
-                <div className="filters">
-                  Vozidlo: {getSelectedVehicleName()}
-                </div>
-              )}
-              {getSelectedUserName() && (
-                <div className="filters">Řidič: {getSelectedUserName()}</div>
-              )}
-              <div className="generated">
-                Vygenerováno: {new Date().toLocaleString("cs-CZ")}
-              </div>
-            </div>
-          </div>
-
-          <div className="summary">
-            <div className="summary-item">
-              <div className="summary-value">{totals.count}</div>
-              <div className="summary-label">Počet jízd</div>
-            </div>
-            <div className="summary-item">
-              <div className="summary-value">{formatKm(totals.total)} km</div>
-              <div className="summary-label">Celkem</div>
-            </div>
-            <div className="summary-item">
-              <div className="summary-value">
-                {formatKm(totals.business)} km
-              </div>
-              <div className="summary-label">Služební</div>
-            </div>
-            <div className="summary-item">
-              <div className="summary-value">
-                {formatKm(totals.total - totals.business)} km
-              </div>
-              <div className="summary-label">Soukromé</div>
-            </div>
-          </div>
-
-          <table>
-            <thead>
-              <tr>
-                <th style={{ width: "70px" }}>Datum</th>
-                <th style={{ width: "80px" }}>Řidič</th>
-                <th style={{ width: "70px" }}>Vozidlo</th>
-                <th>Trasa</th>
-                <th style={{ width: "70px" }} className="text-right">
-                  Stav km
-                </th>
-                <th style={{ width: "60px" }} className="text-right">
-                  Vzdálenost
-                </th>
-                <th style={{ width: "55px" }} className="text-center">
-                  Typ
-                </th>
-                <th>Poznámka</th>
-              </tr>
-            </thead>
-            <tbody>
-              {trips.map((trip) => (
-                <tr key={trip.id}>
-                  <td>{formatDate(trip.trip_date)}</td>
-                  <td>{trip.driver_name}</td>
-                  <td>{trip.spz}</td>
-                  <td>
-                    {trip.route_from} &rarr; {trip.route_to}
-                  </td>
-                  <td className="text-right">
-                    {formatKm(trip.start_km)} - {formatKm(trip.end_km)}
-                  </td>
-                  <td className="text-right">
-                    <strong>{formatKm(trip.distance)} km</strong>
-                  </td>
-                  <td className="text-center">
-                    <span
-                      className={`badge ${trip.is_business ? "badge-success" : "badge-warning"}`}
-                    >
-                      {trip.is_business ? "Služební" : "Soukromá"}
-                    </span>
-                  </td>
-                  <td>{trip.notes || ""}</td>
-                </tr>
-              ))}
-            </tbody>
-            <tfoot>
-              <tr>
-                <td colSpan={5} className="text-right">
-                  Celkem:
-                </td>
-                <td className="text-right">
-                  <strong>{formatKm(totals.total)} km</strong>
-                </td>
-                <td colSpan={2}></td>
-              </tr>
-            </tfoot>
-          </table>
-        </div>
-      )}
     </PageEnter>
   );
 }

src/admin/pages/TripsHistory.tsx

@@ -5,12 +5,19 @@ import { useAuth } from "../context/AuthContext";
 import Forbidden from "../components/Forbidden";
 import { formatDate } from "../utils/attendanceHelpers";
 import { formatKm } from "../utils/formatters";
-import { tripHistoryOptions, tripVehiclesOptions } from "../lib/queries/trips";
+import {
+  tripHistoryOptions,
+  tripStatsOptions,
+  tripVehiclesOptions,
+  type BackendTrip,
+} from "../lib/queries/trips";
+import { usePaginatedQuery } from "../hooks/usePaginatedQuery";
 import {
   Card,
   DataTable,
   Select,
   MonthField,
+  Pagination,
   StatusChip,
   PageHeader,
   PageEnter,
@@ -91,18 +98,35 @@ export default function TripsHistory() {
     return `${now.getFullYear()}-${String(now.getMonth() + 1).padStart(2, "0")}`;
   });
   const [vehicleId, setVehicleId] = useState("");
+  const [page, setPage] = useState(1);
 
   const { data: vehiclesData = [] } = useQuery(tripVehiclesOptions());
   const vehicles = vehiclesData;
 
-  const { data: tripsData, isPending } = useQuery(
+  const {
+    items: tripsData,
+    pagination,
+    isPending,
+  } = usePaginatedQuery<BackendTrip>(
     tripHistoryOptions({
       month,
       vehicleId: vehicleId ? Number(vehicleId) : undefined,
       userId: user?.id,
+      page,
+    }),
+  );
+
+  // Stat cards: month totals over the WHOLE filtered set (server-side
+  // aggregate over the same filters), not just the visible page.
+  const { data: stats } = useQuery(
+    tripStatsOptions({
+      month,
+      vehicleId: vehicleId ? Number(vehicleId) : undefined,
+      userId: user?.id,
     }),
   );
-  const trips: Trip[] = (tripsData ?? []).map((t) => ({
+
+  const trips: Trip[] = tripsData.map((t) => ({
     id: t.id,
     trip_date: t.trip_date,
     spz: t.vehicles?.spz ?? "",
@@ -118,14 +142,11 @@ export default function TripsHistory() {
     notes: t.notes ?? undefined,
   }));
 
-  const totals = trips.reduce(
+  const totals = {
-    (acc, t) => ({
+    count: stats?.count ?? 0,
-      total: acc.total + (t.distance || 0),
+    total: stats?.total_km ?? 0,
-      business: acc.business + (t.is_business ? t.distance || 0 : 0),
+    business: stats?.business_km ?? 0,
-      count: acc.count + 1,
+  };
-    }),
-    { total: 0, business: 0, count: 0 },
-  );
 
   if (!hasPermission("trips.history")) return <Forbidden />;
 
@@ -221,12 +242,21 @@ export default function TripsHistory() {
       {/* Filters */}
       <FilterBar>
         <Box sx={{ flex: "0 0 180px" }}>
-          <MonthField value={month} onChange={(val) => setMonth(val)} />
+          <MonthField
+            value={month}
+            onChange={(val) => {
+              setMonth(val);
+              setPage(1);
+            }}
+          />
         </Box>
         <Box sx={{ flex: "0 0 220px" }}>
           <Select
             value={vehicleId}
-            onChange={(value) => setVehicleId(value)}
+            onChange={(value) => {
+              setVehicleId(value);
+              setPage(1);
+            }}
             options={[
               { value: "", label: "Všechna vozidla" },
               ...vehicles.map((v) => ({
@@ -275,14 +305,21 @@ export default function TripsHistory() {
         {isPending ? (
           <LoadingState />
         ) : (
-          <DataTable<Trip>
+          <>
-            columns={columns}
+            <DataTable<Trip>
-            rows={trips}
+              columns={columns}
-            rowKey={(trip) => trip.id}
+              rows={trips}
-            empty={
+              rowKey={(trip) => trip.id}
-              <EmptyState title="Žádné záznamy jízd pro vybrané období." />
+              empty={
-            }
+                <EmptyState title="Žádné záznamy jízd pro vybrané období." />
-          />
+              }
+            />
+            <Pagination
+              page={page}
+              pageCount={pagination?.total_pages ?? 1}
+              onChange={setPage}
+            />
+          </>
         )}
       </Card>
     </PageEnter>

src/admin/pages/WarehouseItemDetail.tsx

@@ -59,6 +59,11 @@ interface ItemDetail extends WarehouseItem {
 
 const API_BASE = "/api/admin/warehouse/items";
 
+// Must match UnitEnum in src/schemas/warehouse.schema.ts — the server rejects
+// any other value (CreateItemSchema/UpdateItemSchema), so free text here would
+// make the save 400.
+const UNIT_OPTIONS = ["ks", "m", "kg", "bal", "sada", "m2", "m3", "l"] as const;
+
 interface ItemForm {
   item_number: string;
   name: string;
@@ -449,15 +454,14 @@ export default function WarehouseItemDetail() {
                 </Select>
               </Field>
               <Field label="Jednotka" required error={errors.unit}>
-                <TextField
+                <Select
                   value={form.unit}
                   error={!!errors.unit}
-                  onChange={(e) => {
+                  onChange={(v) => {
-                    updateForm("unit", e.target.value);
+                    updateForm("unit", v);
                     setErrors((prev) => ({ ...prev, unit: "" }));
                   }}
-                  placeholder="ks, m, kg..."
+                  options={UNIT_OPTIONS.map((u) => ({ value: u, label: u }))}
-                  fullWidth
                 />
               </Field>
               <Field

src/admin/pages/WarehouseReceiptDetail.tsx

@@ -4,10 +4,12 @@ import { useQuery } from "@tanstack/react-query";
 import Box from "@mui/material/Box";
 import Typography from "@mui/material/Typography";
 import IconButton from "@mui/material/IconButton";
+import Link from "@mui/material/Link";
 import { useAlert } from "../context/AlertContext";
 import { useAuth } from "../context/AuthContext";
 import Forbidden from "../components/Forbidden";
 
+import { apiFetch } from "../utils/api";
 import { formatCurrency, formatDate } from "../utils/formatters";
 import {
   warehouseReceiptDetailOptions,
@@ -161,6 +163,33 @@ export default function WarehouseReceiptDetail() {
     }
   };
 
+  // A plain <a href> cannot send the Authorization header, so attachments are
+  // fetched via apiFetch and handed to the browser as a temporary blob URL.
+  const handleDownloadAttachment = async (att: WarehouseReceiptAttachment) => {
+    if (!receipt) return;
+    try {
+      const response = await apiFetch(
+        `/api/admin/warehouse/receipts/${receipt.id}/attachments/${att.id}`,
+      );
+      if (!response.ok) {
+        const result = await response.json().catch(() => ({}));
+        alert.error(result.error || "Nepodařilo se stáhnout přílohu");
+        return;
+      }
+      const blob = await response.blob();
+      const url = URL.createObjectURL(blob);
+      const a = document.createElement("a");
+      a.href = url;
+      a.download = att.file_name;
+      document.body.appendChild(a);
+      a.click();
+      document.body.removeChild(a);
+      setTimeout(() => URL.revokeObjectURL(url), 60000);
+    } catch (e) {
+      alert.error(e instanceof Error ? e.message : "Chyba připojení");
+    }
+  };
+
   const confirming = confirmMutation.isPending;
   const cancelling = cancelMutation.isPending;
 
@@ -249,13 +278,14 @@ export default function WarehouseReceiptDetail() {
       width: "45%",
       bold: true,
       render: (att) => (
-        <a
+        <Link
-          href={`/api/admin/warehouse/receipts/${r.id}/attachments/${att.id}`}
+          component="button"
-          target="_blank"
+          type="button"
-          rel="noopener noreferrer"
+          onClick={() => handleDownloadAttachment(att)}
+          sx={{ textAlign: "left", font: "inherit" }}
         >
           {att.file_name}
-        </a>
+        </Link>
       ),
     },
     {

src/admin/pages/WarehouseSuppliers.tsx

@@ -137,7 +137,9 @@ export default function WarehouseSuppliers() {
     url: () =>
       editingSupplier ? `${API_BASE}/${editingSupplier.id}` : API_BASE,
     method: () => (editingSupplier ? "PUT" : "POST"),
-    invalidate: ["warehouse"],
+    // issued-orders included: the PO form's supplier picker caches under
+    // ["issued-orders","suppliers"] and must see supplier CRUD immediately.
+    invalidate: ["warehouse", "issued-orders"],
     onSuccess: (data) => {
       setShowModal(false);
       alert.success(data?.message || "Dodavatel byl uložen");
@@ -147,7 +149,9 @@ export default function WarehouseSuppliers() {
   const deleteMutation = useApiMutation<number, { message?: string }>({
     url: (id) => `${API_BASE}/${id}`,
     method: () => "DELETE",
-    invalidate: ["warehouse"],
+    // issued-orders included: the PO form's supplier picker caches under
+    // ["issued-orders","suppliers"] and must see supplier CRUD immediately.
+    invalidate: ["warehouse", "issued-orders"],
     onSuccess: (data) => {
       setDeactivateConfirm({ show: false, supplier: null });
       alert.success(data?.message || "Dodavatel byl smazán");
@@ -163,7 +167,9 @@ export default function WarehouseSuppliers() {
   >({
     url: ({ id }) => `${API_BASE}/${id}`,
     method: () => "PUT",
-    invalidate: ["warehouse"],
+    // issued-orders included: the PO form's supplier picker caches under
+    // ["issued-orders","suppliers"] and must see supplier CRUD immediately.
+    invalidate: ["warehouse", "issued-orders"],
   });
 
   if (!hasPermission("warehouse.manage")) return <Forbidden />;

src/admin/ui/SupplierPicker.tsx

@@ -0,0 +1,88 @@
+import Autocomplete, { createFilterOptions } from "@mui/material/Autocomplete";
+import MuiTextField from "@mui/material/TextField";
+import Box from "@mui/material/Box";
+import Typography from "@mui/material/Typography";
+import type { Supplier } from "../lib/queries/issued-orders";
+
+interface SupplierPickerProps {
+  suppliers: Supplier[];
+  /** Selected supplier id (FK), or null when none chosen. */
+  value: number | null;
+  onChange: (id: number | null) => void;
+  disabled?: boolean;
+  /**
+   * When set, draws the input in its error state (red border). The error TEXT
+   * is owned by the surrounding <Field> wrapper, so we deliberately do NOT
+   * render helperText here to avoid duplicating the message.
+   */
+  error?: string;
+  placeholder?: string;
+  /** Optional id forwarded by <Field> for label association. */
+  id?: string;
+}
+
+// Search matches the supplier name AND the IČO, so typing either finds the
+// record. Match on a stringified "name + ico" so MUI's default
+// case-insensitive substring filtering covers both.
+const filterSuppliers = createFilterOptions<Supplier>({
+  stringify: (s) => `${s.name} ${s.ico ?? ""}`,
+});
+
+/**
+ * Searchable supplier picker for issued orders (purchase orders) — a
+ * controlled MUI Autocomplete over the sklad_suppliers lookup list, bound to
+ * the supplier id. Modeled on CustomerPicker (offers/invoices keep that one);
+ * renders bare (no label/error text); wrap it in the page's
+ * <Field label error> for the label + error line.
+ */
+export default function SupplierPicker({
+  suppliers,
+  value,
+  onChange,
+  disabled,
+  error,
+  placeholder,
+  id,
+}: SupplierPickerProps) {
+  const selected = suppliers.find((s) => s.id === value) ?? null;
+  return (
+    <Autocomplete<Supplier>
+      options={suppliers}
+      value={selected}
+      onChange={(_, opt) => onChange(opt ? opt.id : null)}
+      getOptionLabel={(s) => s?.name ?? ""}
+      isOptionEqualToValue={(o, v) => o.id === v.id}
+      filterOptions={filterSuppliers}
+      disabled={disabled}
+      size="small"
+      fullWidth
+      autoHighlight
+      renderOption={(props, s) => {
+        const { key, ...rest } = props as typeof props & { key: string };
+        return (
+          <Box component="li" key={key} {...rest}>
+            <Box>
+              {s.name}
+              {s.ico && (
+                <Typography
+                  variant="caption"
+                  sx={{ display: "block", color: "text.secondary" }}
+                >
+                  IČ: {s.ico}
+                </Typography>
+              )}
+            </Box>
+          </Box>
+        );
+      }}
+      renderInput={(params) => (
+        <MuiTextField
+          {...params}
+          id={id}
+          placeholder={placeholder ?? "Vyberte dodavatele…"}
+          error={!!error}
+        />
+      )}
+    />
+  );
+}

src/admin/ui/index.ts

@@ -10,6 +10,7 @@ export { Field, SwitchField } from "./Field";
 export { default as Select } from "./Select";
 export type { SelectOption } from "./Select";
 export { default as CustomerPicker } from "./CustomerPicker";
+export { default as SupplierPicker } from "./SupplierPicker";
 export { default as StatusChip } from "./StatusChip";
 export { CheckboxField } from "./Checkbox";
 export { default as Alert } from "./Alert";

src/admin/utils/attendanceHelpers.ts

@@ -110,6 +110,16 @@ export const getTimePart = (datetime: string | null | undefined): string => {
   return extractTime(datetime);
 };
 
+/**
+ * Join a date input ("YYYY-MM-DD") and a time input ("HH:MM") into the
+ * combined local-datetime wire format the attendance API expects
+ * ("YYYY-MM-DDTHH:MM:00", validated server-side by `nullableDateTimeString`
+ * and parsed with `new Date(...)` as local time). Returns null when either
+ * part is unset — "no value" for the optional datetime fields.
+ */
+export const combineDatetime = (date: string, time: string): string | null =>
+  date && time ? `${date}T${time}:00` : null;
+
 export const calcProjectMinutesTotal = (
   logs: Array<{
     project_id?: number;

src/admin/utils/formatters.ts

@@ -50,6 +50,18 @@ export function todayLocalStr(): string {
   return `${d.getFullYear()}-${m}-${day}`;
 }
 
+/**
+ * Coerce a server-returned numeric (number | decimal-string | null/undefined)
+ * to a number, falling back ONLY when the value is missing or not numeric —
+ * NEVER on a legitimate 0 (e.g. a 0% VAT rate / reverse charge). The
+ * `Number(x) || fallback` idiom silently turns stored zeros into the fallback.
+ */
+export function numberOr(raw: unknown, fallback: number): number {
+  if (raw == null || raw === "") return fallback;
+  const n = Number(raw);
+  return Number.isFinite(n) ? n : fallback;
+}
+
 export function formatKm(km: number | string): string {
   return new Intl.NumberFormat("cs-CZ").format(Number(km) || 0);
 }

src/routes/admin/attendance.ts

@@ -219,7 +219,14 @@ export default async function attendanceRoutes(
     }
 
     // --- Default: paginated records list ---
-    const { page, limit, skip, order } = parsePagination(query);
+    // maxLimit must allow a COMPLETE month: the admin month view fetches all
+    // records at once and computes the KPI cards / summary totals client-side
+    // (useAttendanceAdmin). With the default 100-row cap, months with more
+    // than 100 records were silently truncated (newest-first), so the screen
+    // totals dropped the earliest days while the print stayed complete.
+    const { page, limit, skip, order } = parsePagination(query, {
+      maxLimit: 2000,
+    });
     const isAdmin = authData.permissions.includes("attendance.manage");
     const parsedUserId = query.user_id ? Number(query.user_id) : undefined;
     const userId =
@@ -418,6 +425,8 @@ export default async function attendanceRoutes(
         departure_lng: body.departure_lng,
         departure_accuracy: body.departure_accuracy,
         departure_address: body.departure_address,
+        break_start: body.break_start,
+        break_end: body.break_end,
         notes: body.notes,
         project_id: body.project_id,
         leave_type: body.leave_type,

src/routes/admin/dashboard.ts

@@ -11,15 +11,16 @@ export default async function dashboardRoutes(
 ): Promise<void> {
   fastify.get("/", { preHandler: requireAuth }, async (request, reply) => {
     const now = new Date();
+    // shift_date is @db.Date: Prisma truncates a filter Date to its UTC date
+    // part, so these boundaries MUST be UTC-midnight instants of the LOCAL
+    // (Prague) calendar day. A local-midnight Date (new Date(y, m, d)) is
+    // 22:00/23:00 UTC of the PREVIOUS day and silently shifts the window to
+    // [yesterday, today) — the "Docházka dnes" card then matches zero rows.
     const todayStart = new Date(
-      now.getFullYear(),
+      Date.UTC(now.getFullYear(), now.getMonth(), now.getDate()),
-      now.getMonth(),
-      now.getDate(),
     );
     const todayEnd = new Date(
-      now.getFullYear(),
+      Date.UTC(now.getFullYear(), now.getMonth(), now.getDate() + 1),
-      now.getMonth(),
-      now.getDate() + 1,
     );
     const monthStart = new Date(now.getFullYear(), now.getMonth(), 1);
     const monthEnd = new Date(now.getFullYear(), now.getMonth() + 1, 1);

src/routes/admin/issued-orders-pdf.ts

@@ -156,6 +156,31 @@ function buildAddressLines(
   return { name, lines };
 }
 
+/**
+ * Address block for the sklad_suppliers counterparty. Unlike customers (which
+ * have structured street/city/postal columns), suppliers.address is a single
+ * Text blob — split it on newlines into one rendered line each (a blob without
+ * newlines renders as one line). IČO/DIČ come from the supplier's ico/dic
+ * columns, prefixed with the same translated labels the customer block used.
+ */
+function buildSupplierLines(
+  supplier: Record<string, unknown> | null,
+  tObj: Record<string, string>,
+): AddressResult {
+  if (!supplier) return { name: "", lines: [] };
+  const name = String(supplier.name || "");
+  const lines: string[] = [];
+  if (supplier.address) {
+    for (const part of String(supplier.address).split(/\r?\n/)) {
+      const line = part.trim();
+      if (line) lines.push(line);
+    }
+  }
+  if (supplier.ico) lines.push(`${tObj.ico}${supplier.ico}`);
+  if (supplier.dic) lines.push(`${tObj.dic}${supplier.dic}`);
+  return { name, lines };
+}
+
 /* ── Translations ────────────────────────────────────────────────── */
 
 type Lang = "cs" | "en";
@@ -165,7 +190,7 @@ const translations: Record<Lang, Record<string, string>> = {
     title: "OBJEDNÁVKA",
     heading: "OBJEDNÁVKA č.",
     // PO direction: WE (company) are the buyer (Odběratel), the
-    // selected customer record is the supplier (Dodavatel).
+    // selected sklad_suppliers record is the supplier (Dodavatel).
     supplier: "Dodavatel",
     buyer: "Odběratel",
     issue_date: "Datum vystavení:",
@@ -244,7 +269,7 @@ interface IssuedOrderPdfItem {
 export function renderIssuedOrderHtml(
   order: IssuedOrderPdfData,
   items: IssuedOrderPdfItem[],
-  customer: Record<string, unknown> | null,
+  supplier: Record<string, unknown> | null,
   settings: Record<string, unknown> | null,
   lang: Lang,
   issuer: { name: string },
@@ -268,14 +293,14 @@ export function renderIssuedOrderHtml(
   }
 
   // PO direction: our company (settings) = Odběratel (buyer);
-  // the customer record = Dodavatel (supplier).
+  // the sklad_suppliers record = Dodavatel (supplier).
   const buyer = buildAddressLines(settings, true, t); // company → Odběratel
-  const supplier = buildAddressLines(customer, false, t); // customer → Dodavatel
+  const supplierAddr = buildSupplierLines(supplier, t); // supplier → Dodavatel
 
   const buyerLinesHtml = buyer.lines
     .map((l) => `<div class="address-line">${escapeHtml(l)}</div>`)
     .join("");
-  const supplierLinesHtml = supplier.lines
+  const supplierLinesHtml = supplierAddr.lines
     .map((l) => `<div class="address-line">${escapeHtml(l)}</div>`)
     .join("");
 
@@ -450,7 +475,7 @@ export function renderIssuedOrderHtml(
     vertical-align: top;
     width: 50%;
   }
-  .header-grid td.addr-customer {
+  .header-grid td.addr-supplier {
     background: #f5f5f5;
   }
   .header-grid td.details-bank {
@@ -715,7 +740,7 @@ ${indentCSS}
     <div class="invoice-title">${escapeHtml(t.heading)} ${poNumber}</div>
   </div>
 
-  <!-- Odberatel (nase firma) / Dodavatel (zakaznik) + Detaily -->
+  <!-- Odberatel (nase firma) / Dodavatel (sklad_suppliers) + Detaily -->
   <table class="header-grid" cellspacing="0">
     <tr>
       <td>
@@ -723,9 +748,9 @@ ${indentCSS}
         <div class="address-name">${escapeHtml(buyer.name)}</div>
         ${buyerLinesHtml}
       </td>
-      <td class="addr-customer">
+      <td class="addr-supplier">
         <div class="address-label">${escapeHtml(t.supplier)}</div>
-        <div class="address-name">${escapeHtml(supplier.name)}</div>
+        <div class="address-name">${escapeHtml(supplierAddr.name)}</div>
         ${supplierLinesHtml}
       </td>
     </tr>
@@ -818,9 +843,9 @@ export default async function issuedOrdersPdfRoutes(fastify: FastifyInstance) {
           where: { issued_order_id: id },
           orderBy: { position: "asc" },
         });
-        const customer = order.customer_id
+        const supplier = order.supplier_id
-          ? ((await prisma.customers.findUnique({
+          ? ((await prisma.sklad_suppliers.findUnique({
-              where: { id: order.customer_id },
+              where: { id: order.supplier_id },
             })) as Record<string, unknown> | null)
           : null;
         const settings = (await prisma.company_settings.findFirst()) as Record<
@@ -838,7 +863,7 @@ export default async function issuedOrdersPdfRoutes(fastify: FastifyInstance) {
         const html = renderIssuedOrderHtml(
           order,
           items,
-          customer,
+          supplier,
           settings,
           lang,
           issuer,

src/routes/admin/issued-orders.ts

@@ -1,5 +1,6 @@
 import { FastifyInstance } from "fastify";
-import { requirePermission } from "../../middleware/auth";
+import prisma from "../../config/database";
+import { requirePermission, requireAnyPermission } from "../../middleware/auth";
 import { logAudit } from "../../services/audit";
 import { success, error, parseId, paginated } from "../../utils/response";
 import { parsePagination, buildPaginationMeta } from "../../utils/pagination";
@@ -34,7 +35,7 @@ export default async function issuedOrdersRoutes(fastify: FastifyInstance) {
         order,
         search,
         status: query.status ? String(query.status) : undefined,
-        customer_id: query.customer_id ? Number(query.customer_id) : undefined,
+        supplier_id: query.supplier_id ? Number(query.supplier_id) : undefined,
         month: query.month ? Number(query.month) : undefined,
         year: query.year ? Number(query.year) : undefined,
       });
@@ -66,7 +67,7 @@ export default async function issuedOrdersRoutes(fastify: FastifyInstance) {
       const result = await getIssuedOrderTotals({
         search: query.search ? String(query.search) : undefined,
         status: query.status ? String(query.status) : undefined,
-        customer_id: query.customer_id ? Number(query.customer_id) : undefined,
+        supplier_id: query.supplier_id ? Number(query.supplier_id) : undefined,
         month: query.month ? Number(query.month) : undefined,
         year: query.year ? Number(query.year) : undefined,
       });
@@ -74,6 +75,40 @@ export default async function issuedOrdersRoutes(fastify: FastifyInstance) {
     },
   );
 
+  // GET /api/admin/issued-orders/suppliers — lightweight supplier lookup for
+  // the PO supplier picker. Guarded by the ORDERS permissions (any of
+  // view/create/edit), NOT warehouse.manage: the warehouse suppliers CRUD is
+  // gated by warehouse.manage, which orders users typically lack — without
+  // this endpoint they couldn't populate the picker. Registered BEFORE "/:id"
+  // so the literal "suppliers" path isn't captured as an order id.
+  fastify.get(
+    "/suppliers",
+    {
+      preHandler: requireAnyPermission(
+        "orders.view",
+        "orders.create",
+        "orders.edit",
+      ),
+    },
+    async (_request, reply) => {
+      const suppliers = await prisma.sklad_suppliers.findMany({
+        where: { is_active: true },
+        select: {
+          id: true,
+          name: true,
+          ico: true,
+          dic: true,
+          address: true,
+          email: true,
+          phone: true,
+        },
+        // id tiebreak so same-name suppliers sort deterministically.
+        orderBy: [{ name: "asc" }, { id: "asc" }],
+      });
+      return success(reply, suppliers);
+    },
+  );
+
   // GET /api/admin/issued-orders/:id
   fastify.get<{ Params: { id: string } }>(
     "/:id",
@@ -95,6 +130,11 @@ export default async function issuedOrdersRoutes(fastify: FastifyInstance) {
       const parsed = parseBody(CreateIssuedOrderSchema, request.body);
       if ("error" in parsed) return error(reply, parsed.error, 400);
       const order = await createIssuedOrder(parsed.data);
+      if ("error" in order) {
+        if (order.error === "supplier_not_found")
+          return error(reply, "Dodavatel nenalezen", 400);
+        return error(reply, "Neznámá chyba", 500);
+      }
       await logAudit({
         request,
         authData: request.authData,
@@ -125,6 +165,8 @@ export default async function issuedOrdersRoutes(fastify: FastifyInstance) {
       if ("error" in result) {
         if (result.error === "not_found")
           return error(reply, "Objednávka nenalezena", 404);
+        if (result.error === "supplier_not_found")
+          return error(reply, "Dodavatel nenalezen", 400);
         if (result.error === "invalid_transition")
           return error(
             reply,

src/routes/admin/orders-pdf.ts

@@ -259,6 +259,9 @@ export default async function ordersPdfRoutes(
 
         const order = await prisma.orders.findUnique({
           where: { id },
+          // The confirmation PDF never renders the PO attachment — don't pull
+          // the blob just to read the order header/items.
+          omit: { attachment_data: true },
           include: {
             customers: true,
             order_items: { orderBy: { position: "asc" } },

src/routes/admin/orders.ts

@@ -3,6 +3,7 @@ import { requirePermission } from "../../middleware/auth";
 import { logAudit } from "../../services/audit";
 import { success, error, parseId, paginated } from "../../utils/response";
 import { parsePagination, buildPaginationMeta } from "../../utils/pagination";
+import { contentDisposition } from "../../utils/content-disposition";
 import { parseBody } from "../../schemas/common";
 import { config } from "../../config/env";
 import {
@@ -110,10 +111,12 @@ export default async function ordersRoutes(
       const attachment = await getOrderAttachment(id);
       if (!attachment) return error(reply, "Příloha nenalezena", 404);
 
-      const safeFilename = attachment.filename.replace(/[\r\n"\\/]/g, "");
       return reply
         .type("application/pdf")
-        .header("Content-Disposition", `inline; filename="${safeFilename}"`)
+        .header(
+          "Content-Disposition",
+          contentDisposition("inline", attachment.filename),
+        )
         .send(attachment.data);
     },
   );

src/routes/admin/received-invoices.ts

@@ -6,6 +6,7 @@ import prisma from "../../config/database";
 import { requirePermission } from "../../middleware/auth";
 import { logAudit } from "../../services/audit";
 import { success, error, parseId, paginated } from "../../utils/response";
+import { contentDisposition } from "../../utils/content-disposition";
 import { parsePagination, buildPaginationMeta } from "../../utils/pagination";
 import { parseBody } from "../../schemas/common";
 import {
@@ -14,6 +15,7 @@ import {
 } from "../../schemas/received-invoices.schema";
 import { nasInvoicesManager } from "../../services/nas-financials-manager";
 import { toCzk } from "../../services/exchange-rates";
+import { utcMidnightOfLocalDay } from "../../utils/date";
 import path from "path";
 
 const VALID_STATUSES = ["unpaid", "paid"] as const;
@@ -294,10 +296,14 @@ export default async function receivedInvoicesRoutes(
       if (!nasFile) return error(reply, "Soubor na NAS nenalezen", 404);
 
       const mime = invoice.file_mime || "application/pdf";
-      const safeFileName = invoice.file_name.replace(/[\r\n"]/g, "");
+      // "inline": the FE (ReceivedInvoices.openFile) opens this in a new
+      // window for viewing, not as a forced download.
       return reply
         .type(mime)
-        .header("Content-Disposition", `inline; filename="${safeFileName}"`)
+        .header(
+          "Content-Disposition",
+          contentDisposition("inline", invoice.file_name),
+        )
         .send(nasFile.data);
     },
   );
@@ -556,14 +562,17 @@ export default async function receivedInvoicesRoutes(
       // `amount` is the GROSS total (VAT included); VAT is the portion within it.
       const computedVat = vatFromGross(finalAmount, finalVatRate);
 
-      // Auto-set paid_date when status transitions to paid (matching PHP)
+      // Auto-set paid_date when status transitions to paid (matching PHP).
+      // paid_date is @db.Date (truncated to the UTC date part) —
+      // utcMidnightOfLocalDay keeps the LOCAL calendar day even during the
+      // 00:00–02:00 Prague window (a bare new Date() stored yesterday there).
       const newStatus =
         body.status !== undefined
           ? String(body.status)
           : String(existing.status);
       const paidDate =
         newStatus === "paid" && String(existing.status) !== "paid"
-          ? new Date()
+          ? utcMidnightOfLocalDay()
           : body.paid_date !== undefined
             ? body.paid_date
               ? new Date(String(body.paid_date))

src/routes/admin/totp.ts

@@ -264,7 +264,8 @@ export default async function totpRoutes(
     async (request, reply) => {
       const parsed = parseBody(TotpBackupSchema, request.body);
       if ("error" in parsed) return error(reply, parsed.error, 400);
-      const { login_token, backup_code: code } = parsed.data;
+      const { login_token, backup_code: code, remember_me } = parsed.data;
+      const rememberMe = remember_me ?? false;
 
       const tokenHash = crypto
         .createHash("sha256")
@@ -393,14 +394,18 @@ export default async function totpRoutes(
         .update(refreshTokenRaw)
         .digest("hex");
 
+      // Mirror /login/totp: honor remember_me so a backup-code login keeps
+      // the same session longevity the user asked for at the password step.
+      const refreshExpiresIn = rememberMe
+        ? config.jwt.refreshTokenRememberExpiry
+        : config.jwt.refreshTokenSessionExpiry;
+
       await prisma.refresh_tokens.create({
         data: {
           user_id: user.id,
           token_hash: refreshTokenHash,
-          expires_at: new Date(
+          expires_at: new Date(Date.now() + refreshExpiresIn * 1000),
-            Date.now() + config.jwt.refreshTokenSessionExpiry * 1000,
+          remember_me: rememberMe,
-          ),
-          remember_me: false,
           ip_address: request.ip,
           user_agent: request.headers["user-agent"] ?? null,
         },
@@ -411,7 +416,7 @@ export default async function totpRoutes(
         secure: config.isProduction,
         sameSite: "strict",
         path: "/api/admin",
-        maxAge: config.jwt.refreshTokenSessionExpiry,
+        maxAge: refreshExpiresIn,
       });
 
       await logAudit({

src/routes/admin/trips.ts

@@ -6,6 +6,99 @@ import { success, paginated, error, parseId } from "../../utils/response";
 import { parsePagination, buildPaginationMeta } from "../../utils/pagination";
 import { parseBody } from "../../schemas/common";
 import { CreateTripSchema, UpdateTripSchema } from "../../schemas/trips.schema";
+import { AuthData } from "../../types";
+
+/**
+ * Shared filter/scoping logic for the trip list AND the stats endpoint — the
+ * stats MUST honor exactly the same filters as the list so the cards always
+ * describe the rows the list is paging through.
+ *
+ * Scoping: admins / trips.manage holders see all trips (optionally filtered
+ * by user_id); everyone else is hard-scoped to their own trips.
+ */
+function buildTripsWhere(
+  query: Record<string, unknown>,
+  authData: AuthData,
+): Record<string, unknown> {
+  // Admin role bypasses permission checks entirely (requireAnyPermission
+  // lets it through with an empty permissions list), so treat the admin
+  // role as a manager for scoping purposes too.
+  const isManager =
+    authData.roleName === "admin" ||
+    authData.permissions.includes("trips.manage");
+
+  const where: Record<string, unknown> = {};
+  if (!isManager) where.user_id = authData.userId;
+  else if (query.user_id) {
+    // Non-numeric filter values are ignored (like an invalid month below) —
+    // NaN in a Prisma where clause would throw and surface as a 500.
+    const uid = Number(query.user_id);
+    if (Number.isFinite(uid)) where.user_id = uid;
+  }
+  if (query.vehicle_id) {
+    const vid = Number(query.vehicle_id);
+    if (Number.isFinite(vid)) where.vehicle_id = vid;
+  }
+
+  // Support both "month=3&year=2026" (TripsAdmin) and "month=2026-03" (TripsHistory) formats
+  if (query.month) {
+    const monthStr = String(query.month);
+    let yr: number, mo: number;
+    if (monthStr.includes("-")) {
+      // Combined YYYY-MM format
+      const [yStr, mStr] = monthStr.split("-");
+      yr = Number(yStr);
+      mo = Number(mStr);
+    } else if (query.year) {
+      yr = Number(query.year);
+      mo = Number(query.month);
+    } else {
+      yr = NaN;
+      mo = NaN;
+    }
+    if (!isNaN(yr) && !isNaN(mo) && mo >= 1 && mo <= 12) {
+      // Use explicit date strings to avoid toJSON timezone shift
+      const monthStart = `${yr}-${String(mo).padStart(2, "0")}-01`;
+      const nextMonth =
+        mo === 12
+          ? `${yr + 1}-01-01`
+          : `${yr}-${String(mo + 1).padStart(2, "0")}-01`;
+      where.trip_date = {
+        gte: new Date(monthStart),
+        lt: new Date(nextMonth),
+      };
+    }
+  }
+
+  return where;
+}
+
+/**
+ * Recompute a vehicle's actual_km as MAX(end_km) over its trips, falling
+ * back to initial_km when the vehicle has no trips. Shared by the POST,
+ * PUT and DELETE handlers so the odometer logic can't drift.
+ */
+async function recomputeVehicleActualKm(vehicleId: number): Promise<void> {
+  const [maxTrip, vehicle] = await Promise.all([
+    prisma.trips.findFirst({
+      where: { vehicle_id: vehicleId },
+      orderBy: { end_km: "desc" },
+      select: { end_km: true },
+    }),
+    prisma.vehicles.findUnique({
+      where: { id: vehicleId },
+      select: { initial_km: true },
+    }),
+  ]);
+  await prisma.vehicles.update({
+    where: { id: vehicleId },
+    data: {
+      actual_km: maxTrip
+        ? Number(maxTrip.end_km)
+        : Number(vehicle?.initial_km ?? 0),
+    },
+  });
+}
 
 export default async function tripsRoutes(
   fastify: FastifyInstance,
@@ -22,55 +115,16 @@ export default async function tripsRoutes(
     async (request, reply) => {
       const query = request.query as Record<string, unknown>;
       const { page, limit, skip, order } = parsePagination(query);
-      const authData = request.authData!;
+      const where = buildTripsWhere(query, request.authData!);
-      // Admin role bypasses permission checks entirely (requireAnyPermission
-      // lets it through with an empty permissions list), so treat the admin
-      // role as a manager for scoping purposes too.
-      const isAdmin =
-        authData.roleName === "admin" ||
-        authData.permissions.includes("trips.manage");
-
-      const where: Record<string, unknown> = {};
-      if (!isAdmin) where.user_id = authData.userId;
-      else if (query.user_id) where.user_id = Number(query.user_id);
-      if (query.vehicle_id) where.vehicle_id = Number(query.vehicle_id);
-
-      // Support both "month=3&year=2026" (TripsAdmin) and "month=2026-03" (TripsHistory) formats
-      if (query.month) {
-        const monthStr = String(query.month);
-        let yr: number, mo: number;
-        if (monthStr.includes("-")) {
-          // Combined YYYY-MM format
-          const [yStr, mStr] = monthStr.split("-");
-          yr = Number(yStr);
-          mo = Number(mStr);
-        } else if (query.year) {
-          yr = Number(query.year);
-          mo = Number(query.month);
-        } else {
-          yr = NaN;
-          mo = NaN;
-        }
-        if (!isNaN(yr) && !isNaN(mo) && mo >= 1 && mo <= 12) {
-          // Use explicit date strings to avoid toJSON timezone shift
-          const monthStart = `${yr}-${String(mo).padStart(2, "0")}-01`;
-          const nextMonth =
-            mo === 12
-              ? `${yr + 1}-01-01`
-              : `${yr}-${String(mo + 1).padStart(2, "0")}-01`;
-          where.trip_date = {
-            gte: new Date(monthStart),
-            lt: new Date(nextMonth),
-          };
-        }
-      }
 
       const [trips, total] = await Promise.all([
         prisma.trips.findMany({
           where,
           skip,
           take: limit,
-          orderBy: { trip_date: order },
+          // trip_date is date-only — same-day rows need the id tiebreak for
+          // deterministic pagination.
+          orderBy: [{ trip_date: order }, { id: order }],
           include: {
             users: { select: { id: true, first_name: true, last_name: true } },
             vehicles: { select: { id: true, name: true, spz: true } },
@@ -83,6 +137,60 @@ export default async function tripsRoutes(
     },
   );
 
+  // GET /api/admin/trips/stats — count/km totals over the WHOLE filtered set
+  // (not one page). Honors exactly the same filters + user scoping as the
+  // list (month/year, vehicle_id, user_id for managers) so the stat cards
+  // can't drift from the rows the list is paging through.
+  fastify.get(
+    "/stats",
+    {
+      preHandler: requireAnyPermission(
+        "trips.manage",
+        "trips.record",
+        "trips.history",
+      ),
+    },
+    async (request, reply) => {
+      const query = request.query as Record<string, unknown>;
+      const where = buildTripsWhere(query, request.authData!);
+
+      // Legacy PHP-era rows can carry a stored `distance` that differs from
+      // end_km - start_km, and every row renderer prefers it
+      // (`distance ?? end_km - start_km`) — the totals must apply the same
+      // coalesce or the stat cards would disagree with the visible rows.
+      // That rules out a plain groupBy aggregate.
+      const rows = await prisma.trips.findMany({
+        where,
+        select: {
+          distance: true,
+          start_km: true,
+          end_km: true,
+          is_business: true,
+        },
+      });
+
+      let count = 0;
+      let businessKm = 0;
+      let privateKm = 0;
+      for (const t of rows) {
+        const km =
+          t.distance != null
+            ? Number(t.distance)
+            : Number(t.end_km) - Number(t.start_km);
+        count += 1;
+        if (t.is_business) businessKm += km;
+        else privateKm += km;
+      }
+
+      return success(reply, {
+        count,
+        total_km: businessKm + privateKm,
+        business_km: businessKm,
+        private_km: privateKm,
+      });
+    },
+  );
+
   // GET /api/admin/trips/users — users with trips.record permission
   fastify.get(
     "/users",
@@ -121,28 +229,11 @@ export default async function tripsRoutes(
     { preHandler: requirePermission("trips.manage") },
     async (request, reply) => {
       const query = request.query as Record<string, unknown>;
-      const filterUserId = query.user_id ? Number(query.user_id) : null;
+      // Same shared filter source as the list + stats endpoints (incl. the
-      const filterVehicleId = query.vehicle_id
+      // month 1-12 validation). /print is manager-only (trips.manage guard),
-        ? Number(query.vehicle_id)
+      // so buildTripsWhere always takes its manager branch here — user_id /
-        : null;
+      // vehicle_id / month filters behave exactly as before.
-
+      const where = buildTripsWhere(query, request.authData!);
-      const where: Record<string, unknown> = {};
-      if (filterUserId) where.user_id = filterUserId;
-      if (filterVehicleId) where.vehicle_id = filterVehicleId;
-      if (query.month && query.year) {
-        // Use explicit date strings to avoid toJSON timezone shift
-        const yr = Number(query.year);
-        const mo = Number(query.month);
-        const monthStart = `${yr}-${String(mo).padStart(2, "0")}-01`;
-        const nextMonth =
-          mo === 12
-            ? `${yr + 1}-01-01`
-            : `${yr}-${String(mo + 1).padStart(2, "0")}-01`;
-        where.trip_date = {
-          gte: new Date(monthStart),
-          lt: new Date(nextMonth),
-        };
-      }
 
       const trips = await prisma.trips.findMany({
         where,
@@ -150,7 +241,8 @@ export default async function tripsRoutes(
           users: { select: { id: true, first_name: true, last_name: true } },
           vehicles: { select: { id: true, name: true, spz: true } },
         },
-        orderBy: { trip_date: "asc" },
+        // trip_date is date-only — id tiebreak keeps same-day rows stable
+        orderBy: [{ trip_date: "asc" }, { id: "asc" }],
       });
 
       const vehicles = await prisma.vehicles.findMany({
@@ -166,7 +258,13 @@ export default async function tripsRoutes(
       let businessKm = 0;
       let privateKm = 0;
       for (const t of trips) {
-        const dist = Number(t.end_km) - Number(t.start_km);
+        // Same coalesce as the row renderers and /stats: legacy rows may
+        // store a `distance` differing from end_km - start_km, and the print
+        // footer must match the sum of the printed rows.
+        const dist =
+          t.distance != null
+            ? Number(t.distance)
+            : Number(t.end_km) - Number(t.start_km);
         totalKm += dist;
         if (t.is_business) businessKm += dist;
         else privateKm += dist;
@@ -251,21 +349,13 @@ export default async function tripsRoutes(
         },
       });
 
-      // Recompute actual_km from MAX(end_km) across all trips (same as
+      // Recompute actual_km from MAX(end_km) across all trips (same helper
-      // PUT/DELETE). Setting it unconditionally to this trip's end_km would
+      // as PUT/DELETE). Setting it unconditionally to this trip's end_km
-      // regress the odometer when a back-dated trip with a lower end_km is
+      // would regress the odometer when a back-dated trip with a lower
-      // entered after a later trip with a higher reading.
+      // end_km is entered after a later trip with a higher reading. (The
-      const maxTrip = await prisma.trips.findFirst({
+      // helper's initial_km fallback is unreachable here — the just-created
-        where: { vehicle_id: vehicleId },
+      // trip guarantees at least one row.)
-        orderBy: { end_km: "desc" },
+      await recomputeVehicleActualKm(vehicleId);
-        select: { end_km: true },
-      });
-      if (maxTrip) {
-        await prisma.vehicles.update({
-          where: { id: vehicleId },
-          data: { actual_km: Number(maxTrip.end_km) },
-        });
-      }
 
       await logAudit({
         request,
@@ -312,6 +402,19 @@ export default async function tripsRoutes(
       }
 
       const data: Record<string, unknown> = {};
+      if (body.vehicle_id !== undefined) {
+        const targetVehicleId = Number(body.vehicle_id);
+        if (targetVehicleId !== existing.vehicle_id) {
+          // Schema only guarantees a positive integer — without this check a
+          // nonexistent id would hit the FK as P2003 and surface as a 500.
+          const vehicleExists = await prisma.vehicles.findUnique({
+            where: { id: targetVehicleId },
+            select: { id: true },
+          });
+          if (!vehicleExists) return error(reply, "Vozidlo nenalezeno", 400);
+        }
+        data.vehicle_id = targetVehicleId;
+      }
       if (body.trip_date !== undefined)
         data.trip_date = new Date(String(body.trip_date));
       if (body.start_km !== undefined) data.start_km = Number(body.start_km);
@@ -325,20 +428,19 @@ export default async function tripsRoutes(
 
       await prisma.trips.update({ where: { id }, data });
 
-      // Update vehicle actual_km if end_km changed
+      // Recompute odometers when the km reading or the vehicle changed: the
-      if (body.end_km !== undefined) {
+      // trip's (possibly new) vehicle, and — when the trip moved between
-        const vehicleId = existing.vehicle_id;
+      // vehicles — the old one too, which may have lost its MAX(end_km) row.
-        const maxTrip = await prisma.trips.findFirst({
+      const newVehicleId =
-          where: { vehicle_id: vehicleId },
+        body.vehicle_id !== undefined
-          orderBy: { end_km: "desc" },
+          ? Number(body.vehicle_id)
-          select: { end_km: true },
+          : existing.vehicle_id;
-        });
+      const vehicleChanged = newVehicleId !== existing.vehicle_id;
-        if (maxTrip) {
+      if (body.end_km !== undefined || vehicleChanged) {
-          await prisma.vehicles.update({
+        await recomputeVehicleActualKm(newVehicleId);
-            where: { id: vehicleId },
+      }
-            data: { actual_km: Number(maxTrip.end_km) },
+      if (vehicleChanged) {
-          });
+        await recomputeVehicleActualKm(existing.vehicle_id);
-        }
       }
 
       await logAudit({
@@ -348,6 +450,8 @@ export default async function tripsRoutes(
         entityType: "trip",
         entityId: id,
         description: `Upravena jízda`,
+        oldValues: existing,
+        newValues: data,
       });
       return success(reply, { id }, 200, "Záznam byl aktualizován");
     },
@@ -372,24 +476,9 @@ export default async function tripsRoutes(
       const vehicleId = existing.vehicle_id;
       await prisma.trips.delete({ where: { id } });
 
-      // Recalculate vehicle actual_km after deletion
+      // Recalculate vehicle actual_km after deletion (falls back to
-      const maxTrip = await prisma.trips.findFirst({
+      // initial_km when this was the vehicle's last trip).
-        where: { vehicle_id: vehicleId },
+      await recomputeVehicleActualKm(vehicleId);
-        orderBy: { end_km: "desc" },
-        select: { end_km: true },
-      });
-      const vehicle = await prisma.vehicles.findUnique({
-        where: { id: vehicleId },
-        select: { initial_km: true },
-      });
-      await prisma.vehicles.update({
-        where: { id: vehicleId },
-        data: {
-          actual_km: maxTrip
-            ? Number(maxTrip.end_km)
-            : (vehicle?.initial_km ?? 0),
-        },
-      });
 
       await logAudit({
         request,

src/routes/admin/warehouse.ts

@@ -5,6 +5,7 @@ import { config } from "../../config/env";
 import { requireAuth, requirePermission } from "../../middleware/auth";
 import { logAudit } from "../../services/audit";
 import { success, error, parseId, paginated } from "../../utils/response";
+import { contentDisposition } from "../../utils/content-disposition";
 import { parsePagination, buildPaginationMeta } from "../../utils/pagination";
 import { parseBody } from "../../schemas/common";
 import { nasInvoicesManager } from "../../services/nas-financials-manager";
@@ -1294,6 +1295,41 @@ export default async function warehouseRoutes(
     },
   );
 
+  // GET /receipts/:id/attachments/:attachmentId — download attachment from NAS
+  fastify.get<{ Params: { id: string; attachmentId: string } }>(
+    "/receipts/:id/attachments/:attachmentId",
+    { preHandler: requirePermission("warehouse.view") },
+    async (request, reply) => {
+      const id = parseId(request.params.id, reply);
+      if (id === null) return;
+      const attachmentId = parseId(request.params.attachmentId, reply);
+      if (attachmentId === null) return;
+
+      const attachment = await prisma.sklad_receipt_attachments.findUnique({
+        where: { id: attachmentId },
+      });
+      // 404 (not 400) when the attachment belongs to a different receipt:
+      // a read endpoint should not confirm that the id exists elsewhere.
+      if (!attachment || attachment.receipt_id !== id) {
+        return error(reply, "Příloha nenalezena", 404);
+      }
+
+      const nasFile = nasInvoicesManager.readReceived(attachment.file_path);
+      if (!nasFile) return error(reply, "Soubor na NAS nenalezen", 404);
+
+      const mime = attachment.file_mime || "application/octet-stream";
+      // "attachment": the UI always downloads via blob + a.download, never
+      // renders inline — and attachment is safer with client-controlled mime.
+      return reply
+        .type(mime)
+        .header(
+          "Content-Disposition",
+          contentDisposition("attachment", attachment.file_name),
+        )
+        .send(nasFile.data);
+    },
+  );
+
   // POST /receipts/:id/attachments — upload attachment
   fastify.post<{ Params: { id: string } }>(
     "/receipts/:id/attachments",

src/schemas/attendance.schema.ts

@@ -1,6 +1,8 @@
 import { z } from "zod";
 import {
   intIdFromForm,
+  isoDateString,
+  nullableDateTimeString,
   nullableIntIdFromForm,
   numberFromForm,
   numberInRange,
@@ -66,19 +68,28 @@ export const AttendancePunchSchema = z.object({
   address: z.string().max(500).nullish(),
 });
 
+// arrival/departure/break fields travel as COMBINED local datetimes
+// ("YYYY-MM-DDTHH:MM:00", built by the admin forms' combineDatetime from a
+// date + time input) — the service parses them with `new Date(...)`. They are
+// NOT bare HH:MM times.
 export const CreateAttendanceSchema = z.object({
   user_id: intIdFromForm.optional(),
-  shift_date: z.string(),
+  // Must be a bare "YYYY-MM-DD" (parses to UTC midnight) — the service's
-  arrival_time: timeString.nullish(),
+  // duplicate-validation window and the stored @db.Date both depend on it.
+  // isoDateString leniently strips a trailing time component.
+  shift_date: isoDateString,
+  arrival_time: nullableDateTimeString.optional(),
   arrival_lat: numberFromForm.nullish(),
   arrival_lng: numberFromForm.nullish(),
   arrival_accuracy: numberFromForm.nullish(),
   arrival_address: z.string().nullish(),
-  departure_time: timeString.nullish(),
+  departure_time: nullableDateTimeString.optional(),
   departure_lat: numberFromForm.nullish(),
   departure_lng: numberFromForm.nullish(),
   departure_accuracy: numberFromForm.nullish(),
   departure_address: z.string().nullish(),
+  break_start: nullableDateTimeString.optional(),
+  break_end: nullableDateTimeString.optional(),
   notes: z.string().nullish(),
   project_id: nullableIntIdFromForm.nullish(),
   leave_type: z
@@ -90,10 +101,10 @@ export const CreateAttendanceSchema = z.object({
 });
 
 export const UpdateAttendanceSchema = z.object({
-  arrival_time: timeString.nullish(),
+  arrival_time: nullableDateTimeString.optional(),
-  departure_time: timeString.nullish(),
+  departure_time: nullableDateTimeString.optional(),
-  break_start: timeString.nullish(),
+  break_start: nullableDateTimeString.optional(),
-  break_end: timeString.nullish(),
+  break_end: nullableDateTimeString.optional(),
   notes: z.string().nullish(),
   project_id: nullableIntIdFromForm.optional(),
   leave_type: z.enum(["work", "vacation", "sick", "unpaid"]).optional(),

src/schemas/auth.schema.ts

@@ -23,6 +23,7 @@ export const TotpBackupSchema = z.object({
     // Cap length so a request with bodyLimit=10KB can't trigger N×bcrypt on
     // a multi-KB string. Real backup codes are 8-16 chars; 64 is generous.
     .max(64, "Záložní kód je příliš dlouhý"),
+  remember_me: z.boolean().optional().default(false),
 });
 
 export const TotpEnableSchema = z.object({

src/schemas/common.ts

@@ -111,6 +111,40 @@ export const timeString = z.preprocess(
     .regex(/^([01]\d|2[0-3]):[0-5]\d$/, "Čas musí být ve formátu HH:MM"),
 );
 
+/**
+ * Combined local datetime string "YYYY-MM-DDTHH:MM" — the wire format the
+ * attendance forms produce by joining a date input and a time input
+ * (`${date}T${time}:00`). Tolerant of a trailing seconds component (":ss" —
+ * stripped before validating), because the client appends ":00" and an edit
+ * form round-trips a value the `Date.toJSON` override serialised as
+ * "YYYY-MM-DDTHH:MM:SS". The service parses the value with `new Date(...)`
+ * as LOCAL time (Europe/Prague) — no timezone suffix is part of the format.
+ */
+export const dateTimeString = z.preprocess(
+  (v) =>
+    typeof v === "string" && /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}/.test(v)
+      ? v.slice(0, 16)
+      : v,
+  z
+    .string()
+    .regex(
+      /^\d{4}-\d{2}-\d{2}T([01]\d|2[0-3]):[0-5]\d$/,
+      "Datum a čas musí být ve formátu YYYY-MM-DD HH:MM",
+    ),
+);
+
+/**
+ * Optional-datetime variant: ""/null mean "not set" → null (the attendance
+ * forms historically submitted empty strings for unfilled time fields, and a
+ * hard reject would 400 the whole form — including leave records that have no
+ * times at all). Pair with `.optional()` at the call site for fields that may
+ * be absent entirely (absent stays `undefined`, e.g. "don't change" on update).
+ */
+export const nullableDateTimeString = z.preprocess(
+  (v) => (v === "" || v === null ? null : v),
+  z.union([z.null(), dateTimeString]),
+);
+
 /**
  * An email field that also accepts an empty string (meaning "not set"). Many
  * settings/supplier forms submit "" for un-filled optional emails; a bare

src/schemas/invoices.schema.ts

@@ -54,6 +54,7 @@ export const UpdateInvoiceSchema = z.object({
   bank_iban: z.string().max(255).nullish(),
   bank_account: z.string().max(255).nullish(),
   issued_by: z.string().max(255).nullish(),
+  billing_text: z.string().max(8000).nullish(),
   customer_id: nullableIntIdFromForm.optional(),
   vat_rate: numberInRange(0, 100).optional(),
   apply_vat: booleanFromForm.optional(),

src/schemas/issued-orders.schema.ts

@@ -28,7 +28,7 @@ const ISSUED_ORDER_STATUSES = [
 
 export const CreateIssuedOrderSchema = z.object({
   po_number: z.string().max(50).nullish(),
-  customer_id: nullableIntIdFromForm.nullish(),
+  supplier_id: nullableIntIdFromForm.nullish(),
   status: z.enum(ISSUED_ORDER_STATUSES).optional(),
   currency: z.string().max(10).optional(),
   vat_rate: numberInRange(0, 100).optional(),

src/schemas/trips.schema.ts

@@ -21,6 +21,8 @@ export const CreateTripSchema = z.object({
 });
 
 export const UpdateTripSchema = z.object({
+  // trips.vehicle_id is a non-nullable FK — when present it must be a valid id
+  vehicle_id: intIdFromForm.optional(),
   trip_date: isoDateString.optional(),
   start_km: nonNegativeNumberFromForm.optional(),
   end_km: nonNegativeNumberFromForm.optional(),

src/services/attendance.service.ts

@@ -126,6 +126,8 @@ export interface CreateAttendanceData {
   departure_lng?: number | null;
   departure_accuracy?: number | null;
   departure_address?: string | null;
+  break_start?: string | null;
+  break_end?: string | null;
   notes?: string | null;
   project_id?: number | null;
   leave_type: string;
@@ -187,12 +189,16 @@ export async function getStatus(userId: number) {
   const y = now.getFullYear(),
     m = now.getMonth(),
     d = now.getDate();
-  const todayStart = new Date(y, m, d, 0, 0, 0);
+  // shift_date is @db.Date: Prisma compares it by its UTC date part, so the
-  const todayEnd = new Date(y, m, d, 23, 59, 59);
+  // range boundaries must be UTC midnights of the LOCAL calendar day. A local
+  // midnight (= 22:00/23:00 UTC of the previous day) shifts the whole window
+  // one day back. Half-open [gte, lt) ranges.
+  const todayStart = new Date(Date.UTC(y, m, d));
+  const todayEnd = new Date(Date.UTC(y, m, d + 1));
 
   // Monthly fund range (used by query #4)
-  const monthStart = new Date(y, m, 1);
+  const monthStart = new Date(Date.UTC(y, m, 1));
-  const monthEnd = new Date(y, m + 1, 0, 23, 59, 59);
+  const monthEnd = new Date(Date.UTC(y, m + 1, 1));
 
   // Queries 1-4 are independent of one another → run them in parallel.
   const [ongoingShift, todayShiftsRaw, balance, monthRecords] =
@@ -210,7 +216,7 @@ export async function getStatus(userId: number) {
       prisma.attendance.findMany({
         where: {
           user_id: userId,
-          shift_date: { gte: todayStart, lte: todayEnd },
+          shift_date: { gte: todayStart, lt: todayEnd },
           departure_time: { not: null },
         },
         include: {
@@ -226,7 +232,7 @@ export async function getStatus(userId: number) {
       prisma.attendance.findMany({
         where: {
           user_id: userId,
-          shift_date: { gte: monthStart, lte: monthEnd },
+          shift_date: { gte: monthStart, lt: monthEnd },
         },
       }),
     ]);
@@ -583,10 +589,13 @@ export async function getWorkfund(year: number) {
       : bizDays;
     const fund = bizDays * 8;
     const fundToDate = bizDaysToDate * 8;
-    const monthStart = new Date(year, m, 1);
+    // shift_date is @db.Date (compared by UTC date part) → UTC-midnight
-    const monthEnd = new Date(year, m + 1, 0, 23, 59, 59);
+    // month boundaries, half-open range. Local midnights would double-count
+    // each previous month's last day.
+    const monthStart = new Date(Date.UTC(year, m, 1));
+    const monthEnd = new Date(Date.UTC(year, m + 1, 1));
     const monthRecords = await prisma.attendance.findMany({
-      where: { shift_date: { gte: monthStart, lte: monthEnd } },
+      where: { shift_date: { gte: monthStart, lt: monthEnd } },
       select: {
         user_id: true,
         shift_date: true,
@@ -844,13 +853,16 @@ export async function getPrintData(
   const yr = Number(yearStr);
   const mo = Number(monthNumStr);
 
-  const monthStart = new Date(yr, mo - 1, 1);
+  // shift_date is @db.Date (compared by UTC date part) → UTC-midnight month
-  const monthEnd = new Date(yr, mo, 0, 23, 59, 59);
+  // boundaries, half-open range (local midnights pulled in the previous
+  // month's last day).
+  const monthStart = new Date(Date.UTC(yr, mo - 1, 1));
+  const monthEnd = new Date(Date.UTC(yr, mo, 1));
 
   const users = await getAttendanceUsers();
 
   const where: Record<string, unknown> = {
-    shift_date: { gte: monthStart, lte: monthEnd },
+    shift_date: { gte: monthStart, lt: monthEnd },
   };
   if (filterUserId) where.user_id = filterUserId;
 
@@ -1041,9 +1053,12 @@ export async function listAttendance(params: ListAttendanceParams) {
     where.user_id = params.userId;
   }
   if (params.month && params.year) {
+    // shift_date is @db.Date: Prisma compares by UTC date part, so the month
+    // boundaries must be UTC midnights. Local midnights shifted the window a
+    // day back (included prev-month's last day, dropped this month's last day).
     where.shift_date = {
-      gte: new Date(params.year, params.month - 1, 1),
+      gte: new Date(Date.UTC(params.year, params.month - 1, 1)),
-      lt: new Date(params.year, params.month, 1),
+      lt: new Date(Date.UTC(params.year, params.month, 1)),
     };
   }
 
@@ -1525,15 +1540,25 @@ export async function createAttendance(
 ) {
   const userId = data.user_id ?? authUserId;
   const shiftDate = new Date(data.shift_date);
+  // shift_date arrives as "YYYY-MM-DD" → parsed as UTC midnight, and the
+  // @db.Date column is compared by UTC date part. The duplicate/overlap
+  // window must therefore be the UTC day [shiftDate, shiftDate+1) — building
+  // it from LOCAL getters made both bounds 22:00/23:00 UTC of the previous
+  // day, so the validation queried ONLY yesterday's records (same-day
+  // overlaps undetected, false duplicates when yesterday had records).
   const startOfDay = new Date(
-    shiftDate.getFullYear(),
+    Date.UTC(
-    shiftDate.getMonth(),
+      shiftDate.getUTCFullYear(),
-    shiftDate.getDate(),
+      shiftDate.getUTCMonth(),
+      shiftDate.getUTCDate(),
+    ),
   );
   const endOfDay = new Date(
-    shiftDate.getFullYear(),
+    Date.UTC(
-    shiftDate.getMonth(),
+      shiftDate.getUTCFullYear(),
-    shiftDate.getDate() + 1,
+      shiftDate.getUTCMonth(),
+      shiftDate.getUTCDate() + 1,
+    ),
   );
 
   // Multiple work shifts per day are allowed — only block when the new
@@ -1608,6 +1633,8 @@ export async function createAttendance(
       departure_lng: data.departure_lng ?? null,
       departure_accuracy: data.departure_accuracy ?? null,
       departure_address: data.departure_address ?? null,
+      break_start: data.break_start ? new Date(data.break_start) : null,
+      break_end: data.break_end ? new Date(data.break_end) : null,
       notes: data.notes ?? null,
       project_id: data.project_id ?? null,
       leave_type: data.leave_type as attendance_leave_type,

src/services/invoice-alerts.ts

@@ -1,7 +1,11 @@
 import prisma from "../config/database";
 import { config } from "../config/env";
 import { sendMail } from "./mailer";
-import { localDateCzStr, localDateStr } from "../utils/date";
+import {
+  localDateCzStr,
+  localDateStr,
+  utcMidnightOfLocalDay,
+} from "../utils/date";
 import { getSystemSettings } from "./system-settings";
 
 interface AlertInvoice {
@@ -33,17 +37,35 @@ function formatAmount(n: number | { toNumber?: () => number }): string {
   });
 }
 
+/**
+ * Alert window [today, today+3] for the due-date queries + the local date
+ * strings the classifier matches against.
+ *
+ * due_date is @db.Date: Prisma truncates the filter Dates to their UTC date
+ * part, so the window boundaries must be UTC midnights of the LOCAL calendar
+ * day. A local midnight (22:00/23:00 UTC of the previous day) shifted the
+ * whole window a day early — the "splatnost za 3 dny" advance alert
+ * (due == today+3) could then never fire.
+ *
+ * Exported (with an injectable `now`) so the window math is unit-testable.
+ */
+export function computeAlertWindow(now: Date = new Date()) {
+  const today = utcMidnightOfLocalDay(now);
+  const todayStr = localDateStr(now);
+  const in3days = new Date(today);
+  in3days.setUTCDate(in3days.getUTCDate() + 3);
+  const in3daysStr = localDateStr(
+    new Date(now.getFullYear(), now.getMonth(), now.getDate() + 3),
+  );
+  return { today, todayStr, in3days, in3daysStr };
+}
+
 export async function checkInvoiceAlerts(): Promise<void> {
   const settings = await getSystemSettings();
   const alertEmail = settings.invoice_alert_email || config.email.invoiceAlert;
   if (!alertEmail) return;
 
-  const today = new Date();
+  const { today, todayStr, in3days, in3daysStr } = computeAlertWindow();
-  today.setHours(0, 0, 0, 0);
-  const todayStr = localDateStr(today);
-  const in3days = new Date(today);
-  in3days.setDate(in3days.getDate() + 3);
-  const in3daysStr = localDateStr(in3days);
 
   // Classify a due date into an alert type/label, or null if it doesn't match.
   const classify = (

src/services/invoices.service.ts

@@ -1,4 +1,5 @@
 import prisma from "../config/database";
+import { utcMidnightOfLocalDay } from "../utils/date";
 import { toCzk } from "./exchange-rates";
 import {
   generateInvoiceNumber,
@@ -139,8 +140,12 @@ function buildInvoiceWhere(
   if (status) where.status = status;
   if (customer_id) where.customer_id = customer_id;
   if (month && year) {
-    const from = new Date(year, month - 1, 1);
+    // issue_date is @db.Date: Prisma compares by UTC date part, so the month
-    const to = new Date(year, month, 1);
+    // boundaries must be UTC midnights. Local midnights shifted the window a
+    // day back — the filter included the previous month's last day and
+    // DROPPED invoices issued on the selected month's last day.
+    const from = new Date(Date.UTC(year, month - 1, 1));
+    const to = new Date(Date.UTC(year, month, 1));
     where.issue_date = { gte: from, lt: to };
   }
   if (search) {
@@ -180,13 +185,18 @@ function computeInvoiceTotals(
 
 export async function markOverdueInvoices() {
   try {
+    // due_date is @db.Date (UTC midnight of the calendar day). Compare
+    // against UTC midnight of the LOCAL today — a bare new Date() has
+    // yesterday's UTC date during the 00:00–02:00 Prague window, so the
+    // overdue flip lagged a day there. Due TODAY = not yet overdue.
+    const today = utcMidnightOfLocalDay();
     await prisma.invoices.updateMany({
-      where: { status: "issued", due_date: { lt: new Date() } },
+      where: { status: "issued", due_date: { lt: today } },
       data: { status: "overdue" },
     });
-    // Reverse: if due_date was changed to future, set back to issued
+    // Reverse: if due_date was changed to today/future, set back to issued
     await prisma.invoices.updateMany({
-      where: { status: "overdue", due_date: { gte: new Date() } },
+      where: { status: "overdue", due_date: { gte: today } },
       data: { status: "issued" },
     });
   } catch (err) {
@@ -312,10 +322,13 @@ export async function getInvoiceStats(queryMonth?: number, queryYear?: number) {
   const year = queryYear || now.getFullYear();
   const month = queryMonth || now.getMonth() + 1;
 
-  const monthStart = new Date(year, month - 1, 1);
+  // issue_date is @db.Date (compared by UTC date part) → UTC-midnight period
-  const monthEnd = new Date(year, month, 0, 23, 59, 59);
+  // boundaries, half-open [gte, lt) ranges. Local-midnight bounds included
-  const startOfYear = new Date(year, 0, 1);
+  // the previous period's boundary day in the stats.
-  const endOfYear = new Date(year, 11, 31, 23, 59, 59);
+  const monthStart = new Date(Date.UTC(year, month - 1, 1));
+  const nextMonthStart = new Date(Date.UTC(year, month, 1));
+  const startOfYear = new Date(Date.UTC(year, 0, 1));
+  const startOfNextYear = new Date(Date.UTC(year + 1, 0, 1));
 
   const [monthInvoices, awaitingInvoices, overdueInvoices] = await Promise.all([
     prisma.invoices.findMany({
@@ -323,21 +336,21 @@ export async function getInvoiceStats(queryMonth?: number, queryYear?: number) {
         // Drafts are not real financial documents — exclude them so their
         // VAT/amounts never inflate the monthly stats (vat_month etc.).
         status: { not: "draft" },
-        issue_date: { gte: monthStart, lte: monthEnd },
+        issue_date: { gte: monthStart, lt: nextMonthStart },
       },
       include: { invoice_items: true },
     }),
     prisma.invoices.findMany({
       where: {
         status: "issued",
-        issue_date: { gte: startOfYear, lte: endOfYear },
+        issue_date: { gte: startOfYear, lt: startOfNextYear },
       },
       include: { invoice_items: true },
     }),
     prisma.invoices.findMany({
       where: {
         status: "overdue",
-        issue_date: { gte: startOfYear, lte: endOfYear },
+        issue_date: { gte: startOfYear, lt: startOfNextYear },
       },
       include: { invoice_items: true },
     }),
@@ -430,6 +443,9 @@ export async function getInvoiceStats(queryMonth?: number, queryYear?: number) {
 export async function getOrderDataForInvoice(orderId: number) {
   const order = await prisma.orders.findUnique({
     where: { id: orderId },
+    // This result is spread into the order-data API response — never include
+    // the PO attachment blob (served only by GET /orders/:id/attachment).
+    omit: { attachment_data: true },
     include: {
       customers: true,
       order_items: { orderBy: { position: "asc" } },
@@ -598,9 +614,11 @@ export async function updateInvoice(id: number, body: InvoiceInput) {
   // Status change
   if (body.status !== undefined) {
     data.status = String(body.status);
-    // Auto-set paid_date when transitioning to paid
+    // Auto-set paid_date when transitioning to paid. paid_date is @db.Date
+    // (truncated to the UTC date part) — utcMidnightOfLocalDay keeps the
+    // LOCAL calendar day even during the 00:00–02:00 Prague window.
     if (String(body.status) === "paid" && !existing.paid_date) {
-      data.paid_date = new Date();
+      data.paid_date = utcMidnightOfLocalDay();
     }
   }
 

src/services/issued-orders.service.ts

@@ -1,5 +1,6 @@
 import type { $Enums } from "@prisma/client";
 import prisma from "../config/database";
+import { utcMidnightOfLocalDay } from "../utils/date";
 import {
   generateIssuedOrderNumber,
   previewIssuedOrderNumber,
@@ -19,7 +20,7 @@ export interface IssuedOrderItemInput {
 
 export interface IssuedOrderInput {
   po_number?: string | number | null;
-  customer_id?: number | string | null;
+  supplier_id?: number | string | null;
   status?: string;
   currency?: string;
   vat_rate?: number | string | null;
@@ -40,7 +41,7 @@ export interface IssuedOrderInput {
 interface IssuedOrderFilterParams {
   search?: string;
   status?: string;
-  customer_id?: number;
+  supplier_id?: number;
   month?: number;
   year?: number;
 }
@@ -66,20 +67,23 @@ export interface CurrencyAmount {
 function buildIssuedOrderWhere(
   params: IssuedOrderFilterParams,
 ): Record<string, unknown> {
-  const { search, status, customer_id, month, year } = params;
+  const { search, status, supplier_id, month, year } = params;
   const where: Record<string, unknown> = {};
   if (status) where.status = status;
-  if (customer_id) where.customer_id = customer_id;
+  if (supplier_id) where.supplier_id = supplier_id;
   if (search) {
     where.OR = [
       { po_number: { contains: search } },
-      { customers: { name: { contains: search } } },
+      { suppliers: { name: { contains: search } } },
-      { customers: { company_id: { contains: search } } },
+      { suppliers: { ico: { contains: search } } },
     ];
   }
   if (month && year) {
-    const from = new Date(year, month - 1, 1);
+    // order_date is @db.Date: Prisma compares by UTC date part, so the month
-    const to = new Date(year, month, 1);
+    // boundaries must be UTC midnights. Local midnights shifted the window a
+    // day back (included prev-month's last day, dropped this month's last day).
+    const from = new Date(Date.UTC(year, month - 1, 1));
+    const to = new Date(Date.UTC(year, month, 1));
     where.order_date = { gte: from, lt: to };
   }
   return where;
@@ -150,7 +154,7 @@ export async function listIssuedOrders(params: ListIssuedOrdersParams) {
       take: limit,
       orderBy,
       include: {
-        customers: { select: { id: true, name: true } },
+        suppliers: { select: { id: true, name: true } },
         issued_order_items: true,
       },
     }),
@@ -167,7 +171,7 @@ export async function listIssuedOrders(params: ListIssuedOrdersParams) {
     return {
       ...rest,
       items: issued_order_items,
-      customer_name: o.customers?.name || null,
+      supplier_name: o.suppliers?.name || null,
       ...totals,
     };
   });
@@ -217,7 +221,19 @@ export async function getIssuedOrder(id: number) {
   const order = await prisma.issued_orders.findUnique({
     where: { id },
     include: {
-      customers: true,
+      // Same minimal field set as the picker lookup endpoint — the full row
+      // would expose internal notes/contact to any orders.view holder.
+      suppliers: {
+        select: {
+          id: true,
+          name: true,
+          ico: true,
+          dic: true,
+          address: true,
+          email: true,
+          phone: true,
+        },
+      },
       issued_order_items: { orderBy: { position: "asc" } },
     },
   });
@@ -226,8 +242,8 @@ export async function getIssuedOrder(id: number) {
   return {
     ...rest,
     items: issued_order_items,
-    customer: order.customers,
+    supplier: order.suppliers,
-    customer_name: order.customers?.name || null,
+    supplier_name: order.suppliers?.name || null,
     valid_transitions: VALID_TRANSITIONS[order.status as string] || [],
   };
 }
@@ -236,6 +252,17 @@ export async function createIssuedOrder(body: IssuedOrderInput) {
   return prisma.$transaction(async (tx) => {
     const status = body.status ? String(body.status) : "draft";
 
+    // Validate the referenced supplier exists BEFORE the insert — a dangling
+    // FK would otherwise surface as a P2003 500 instead of a clean 400.
+    const supplierId = body.supplier_id ? Number(body.supplier_id) : null;
+    if (supplierId) {
+      const supplier = await tx.sklad_suppliers.findUnique({
+        where: { id: supplierId },
+        select: { id: true },
+      });
+      if (!supplier) return { error: "supplier_not_found" as const };
+    }
+
     // Deferred numbering: a draft carries NO po_number (the column is
     // nullable-unique so many drafts coexist). The official number is consumed
     // only when the draft is finalized (assignIssuedOrderNumber on draft->sent).
@@ -255,16 +282,19 @@ export async function createIssuedOrder(body: IssuedOrderInput) {
     const order = await tx.issued_orders.create({
       data: {
         po_number: poNumber,
-        customer_id: body.customer_id ? Number(body.customer_id) : null,
+        supplier_id: supplierId,
         status: status as $Enums.issued_orders_status,
         currency: body.currency ? String(body.currency) : "CZK",
         vat_rate: body.vat_rate != null ? Number(body.vat_rate) : 21.0,
         apply_vat: body.apply_vat !== false,
         exchange_rate:
           body.exchange_rate != null ? Number(body.exchange_rate) : 1.0,
+        // order_date is @db.Date (truncated to the UTC date part) — the
+        // "today" default must be utcMidnightOfLocalDay, or it stores
+        // yesterday during the 00:00–02:00 Prague window.
         order_date: body.order_date
           ? new Date(String(body.order_date))
-          : new Date(),
+          : utcMidnightOfLocalDay(),
         delivery_date: body.delivery_date
           ? new Date(String(body.delivery_date))
           : null,
@@ -328,8 +358,18 @@ export async function updateIssuedOrder(id: number, body: IssuedOrderInput) {
     for (const f of strFields) {
       if (body[f] !== undefined) data[f] = body[f] ? String(body[f]) : null;
     }
-    if (body.customer_id !== undefined)
+    if (body.supplier_id !== undefined) {
-      data.customer_id = body.customer_id ? Number(body.customer_id) : null;
+      const supplierId = body.supplier_id ? Number(body.supplier_id) : null;
+      if (supplierId) {
+        // Same dangling-FK guard as create: 400, not a P2003 500.
+        const supplier = await prisma.sklad_suppliers.findUnique({
+          where: { id: supplierId },
+          select: { id: true },
+        });
+        if (!supplier) return { error: "supplier_not_found" as const };
+      }
+      data.supplier_id = supplierId;
+    }
     if (body.vat_rate !== undefined) data.vat_rate = Number(body.vat_rate);
     if (body.apply_vat !== undefined)
       data.apply_vat =

src/services/numbering.service.ts

@@ -206,8 +206,16 @@ async function releaseSequence(
 /** Verify a shared number is not already used by an order or project. */
 export async function isSharedNumberTaken(number: string): Promise<boolean> {
   const [existingOrder, existingProject] = await Promise.all([
-    prisma.orders.findFirst({ where: { order_number: number } }),
+    // select id only — the orders row carries the PO attachment blob, which an
-    prisma.projects.findFirst({ where: { project_number: number } }),
+    // existence check must never pull.
+    prisma.orders.findFirst({
+      where: { order_number: number },
+      select: { id: true },
+    }),
+    prisma.projects.findFirst({
+      where: { project_number: number },
+      select: { id: true },
+    }),
   ]);
   return !!(existingOrder || existingProject);
 }
@@ -238,8 +246,11 @@ export async function isOfferNumberTaken(number: string): Promise<boolean> {
 
 /** Verify an order number is not already used. */
 export async function isOrderNumberTaken(number: string): Promise<boolean> {
+  // select id only — the orders row carries the PO attachment blob, which an
+  // existence check must never pull.
   const existing = await prisma.orders.findFirst({
     where: { order_number: number },
+    select: { id: true },
   });
   return !!existing;
 }

src/services/orders.service.ts

@@ -72,6 +72,10 @@ async function syncProjectStatus(
   });
 }
 
+// ⚠ Also called by getOrderTotals with a MINIMAL select (currency, apply_vat,
+// vat_rate, item quantity/unit_price/is_included_in_total). If you read a NEW
+// order/item field here, add it to that select — a field missing from the
+// select is silently 0 in the per-currency totals.
 function enrichOrder(o: any) {
   const subtotal = o.order_items
     .filter((i: any) => i.is_included_in_total !== false)
@@ -158,6 +162,11 @@ export async function listOrders(params: ListOrdersParams) {
       take: limit,
       // Tiebreak on id so same-second created_at rows sort deterministically.
       orderBy: [{ [sortField]: order }, { id: order }],
+      // The PO attachment blob is served ONLY by GET /:id/attachment. Never
+      // pull it into list payloads — a single 1MB PDF would serialize into
+      // megabytes of JSON per row. attachment_name stays as the existence
+      // signal the frontend uses.
+      omit: { attachment_data: true },
       include: {
         customers: { select: { id: true, name: true } },
         order_items: { orderBy: { position: "asc" } },
@@ -193,17 +202,21 @@ export async function getOrderTotals(
 ): Promise<{ totals: CurrencyAmount[] }> {
   const where = buildOrderWhere(params);
 
+  // Select ONLY what the math needs (currency + VAT flags + item numbers).
+  // This runs over the WHOLE filtered set, so pulling attachment blobs,
+  // sections HTML or relations here would multiply the query size for nothing.
   const orders = await prisma.orders.findMany({
     where,
-    include: {
+    select: {
-      customers: { select: { id: true, name: true } },
+      currency: true,
-      order_items: { orderBy: { position: "asc" } },
+      apply_vat: true,
-      order_sections: { orderBy: { position: "asc" } },
+      vat_rate: true,
-      quotations: { select: { quotation_number: true, project_code: true } },
+      order_items: {
-      invoices: {
+        select: {
-        select: { id: true, invoice_number: true },
+          quantity: true,
-        take: 1,
+          unit_price: true,
-        orderBy: { id: "desc" },
+          is_included_in_total: true,
+        },
       },
     },
   });
@@ -228,6 +241,9 @@ export async function getOrderTotals(
 export async function getOrder(id: number) {
   const order = await prisma.orders.findUnique({
     where: { id },
+    // The blob belongs only to GET /:id/attachment — the detail payload
+    // carries attachment_name as the existence signal.
+    omit: { attachment_data: true },
     include: {
       customers: true,
       order_items: { orderBy: { position: "asc" } },
@@ -567,7 +583,11 @@ interface UpdateOrderData {
 }
 
 export async function updateOrder(id: number, body: UpdateOrderData) {
-  const existing = await prisma.orders.findUnique({ where: { id } });
+  // Pre-read only the fields the guards below check — never the PDF blob.
+  const existing = await prisma.orders.findUnique({
+    where: { id },
+    select: { status: true, order_number: true },
+  });
   if (!existing)
     return { error: "Objednávka nenalezena", status: 404 } as const;
 
@@ -680,7 +700,11 @@ export async function updateOrder(id: number, body: UpdateOrderData) {
 }
 
 export async function deleteOrder(id: number, deleteFiles = false) {
-  const existing = await prisma.orders.findUnique({ where: { id } });
+  // Pre-read only what the delete needs (number release + year) — not the blob.
+  const existing = await prisma.orders.findUnique({
+    where: { id },
+    select: { order_number: true, created_at: true },
+  });
   if (!existing)
     return { error: "Objednávka nenalezena", status: 404 } as const;
 

src/utils/content-disposition.ts

@@ -0,0 +1,28 @@
+/**
+ * Build a Content-Disposition header value that is safe for non-ASCII
+ * filenames (Czech diacritics are the norm here: "příloha č. 1.pdf").
+ *
+ * Node's HTTP layer THROWS on header values containing characters above
+ * U+00FF, so the raw filename must never be interpolated into the header
+ * directly — that turns a download of a diacritic-named file into a 500.
+ * Per RFC 5987 / RFC 6266 the real UTF-8 name is carried in the `filename*`
+ * parameter (percent-encoded), while `filename` holds an ASCII-only fallback
+ * for legacy clients. Modern browsers prefer `filename*`.
+ */
+export function contentDisposition(
+  type: "inline" | "attachment",
+  fileName: string,
+): string {
+  const asciiFallback = fileName
+    .replace(/[^\x20-\x7e]/g, "_")
+    .replace(/["\\]/g, "");
+  // encodeURIComponent leaves ' ( ) * raw, but they are not RFC 5987
+  // attr-chars (the apostrophe is even the ext-value delimiter) — strict
+  // parsers would reject the filename* and fall back to the mangled ASCII
+  // name. Percent-encode them like the `content-disposition` npm package.
+  const encoded = encodeURIComponent(fileName).replace(
+    /['()*]/g,
+    (c) => `%${c.charCodeAt(0).toString(16).toUpperCase()}`,
+  );
+  return `${type}; filename="${asciiFallback}"; filename*=UTF-8''${encoded}`;
+}

src/utils/date.ts

@@ -8,6 +8,22 @@
  * of JSON serialization (e.g., building lookup keys, shift_date strings).
  */
 
+/**
+ * UTC midnight of the LOCAL calendar day of `d` (default: now).
+ *
+ * Prisma truncates a JS Date used against a `@db.Date` column (filter or
+ * write) to its **UTC** date part. With TZ=Europe/Prague, a local-midnight
+ * Date — `new Date(y, m, d)` — is 22:00/23:00 UTC of the PREVIOUS day, so it
+ * filters/stores as the previous calendar date; and a bare `new Date()`
+ * written to a `@db.Date` column stores yesterday during the 00:00–02:00
+ * Prague window. Always build `@db.Date` values and range boundaries from
+ * `Date.UTC(...)` of the LOCAL calendar components — this helper does exactly
+ * that for "today" (or any reference Date).
+ */
+export function utcMidnightOfLocalDay(d: Date = new Date()): Date {
+  return new Date(Date.UTC(d.getFullYear(), d.getMonth(), d.getDate()));
+}
+
 /** YYYY-MM-DD in local time */
 export function localDateStr(d: Date): string {
   const y = d.getFullYear();