chore(release): v2.4.2 - editable issued-order PDF heading (order_text)

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

CLAUDE.md

@@ -520,13 +520,19 @@ The 2026-06-09 file-by-file audit traced most bugs to a handful of patterns. The
 2. `npm run build`
 3. Commit and tag (`git tag -a vX.Y.Z`)
 4. Push to Gitea (`git push origin master && git push origin vX.Y.Z`)
-5. Create tarball: `tar -czf app-ts-X.Y.Z.tar.gz dist dist-client prisma package.json package-lock.json scripts`
+5. Create tarball: `tar -czf app-ts-X.Y.Z.tar.gz dist dist-client prisma prisma.config.ts package.json package-lock.json scripts`
+   (⚠️ `prisma.config.ts` is REQUIRED — Prisma 7 keeps the datasource URL there;
+   without it, `prisma generate`/`migrate deploy` on prod have no datasource)
 6. Deploy via SSH to production server (`boha_admin@192.168.50.100`):
    - Path: `/var/www/app-ts`
-   - Remove old files: `rm -rf dist dist-client prisma scripts package.json package-lock.json`
+   - Remove old files: `rm -rf dist dist-client prisma prisma.config.ts scripts package.json package-lock.json`
    - Copy tarball to server: `scp app-ts-X.Y.Z.tar.gz boha_admin@192.168.50.100:/tmp/`
    - Extract tarball: `tar -xzf /tmp/app-ts-X.Y.Z.tar.gz`
    - Install dependencies: `npm install --omit=dev`
+   - Regenerate the Prisma client: `npx prisma generate` — **MANDATORY**.
+     `npm install` skips regeneration when dependencies didn't change, leaving a
+     stale client that still selects dropped/renamed columns → P2022 500s in
+     prod (bit the v2.4.0 supplier release).
    - Apply Prisma migrations: `npx prisma migrate deploy`
    - Restart: `pm2 restart app-ts --update-env`
 

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "app-ts",
-  "version": "2.3.0",
+  "version": "2.4.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "app-ts",
-      "version": "2.3.0",
+      "version": "2.4.2",
       "license": "ISC",
       "dependencies": {
         "@anthropic-ai/sdk": "^0.102.0",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "app-ts",
-  "version": "2.3.0",
+  "version": "2.4.2",
   "description": "",
   "main": "dist/server.js",
   "scripts": {

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/migrations/20260610121316_issued_orders_order_text/migration.sql

@@ -0,0 +1,3 @@
+-- AlterTable
+ALTER TABLE `issued_orders` ADD COLUMN `order_text` VARCHAR(500) NULL;
+

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)
@@ -382,14 +381,15 @@ model issued_orders {
   delivery_terms  String?              @db.VarChar(500)
   payment_terms   String?              @db.VarChar(500)
   issued_by       String?              @db.VarChar(255)
+  order_text      String?              @db.VarChar(500)
   notes           String?              @db.Text
   internal_notes  String?              @db.Text
   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 +796,8 @@ 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

@@ -258,6 +258,106 @@ describe("GET /api/admin/attendance (complete month, no truncation)", () => {
   });
 });
 
+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({

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

@@ -1,10 +1,12 @@
-import { describe, it, expect, afterEach } from "vitest";
+import { describe, it, expect, afterEach, beforeEach } from "vitest";
 import { Prisma } from "@prisma/client";
 import prisma from "../config/database";
 import {
   invoiceTotalWithVat,
   createInvoice,
   updateInvoice,
+  listInvoices,
+  getInvoiceListTotals,
 } from "../services/invoices.service";
 import { UpdateInvoiceSchema } from "../schemas/invoices.schema";
 
@@ -179,3 +181,83 @@ describe("updateInvoice — billing_text round-trips through UpdateInvoiceSchema
     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 +161,37 @@ 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");
+  });
+
+  it("persists order_text on create, updates and clears it on update", async () => {
+    const order = await mkIssued({ order_text: "Objednáváme dle smlouvy:" });
+    let row = await prisma.issued_orders.findUnique({
+      where: { id: order.id },
+    });
+    expect(row!.order_text).toBe("Objednáváme dle smlouvy:");
+
+    await updateIssuedOrder(order.id, { order_text: "Jiný text:" });
+    row = await prisma.issued_orders.findUnique({ where: { id: order.id } });
+    expect(row!.order_text).toBe("Jiný text:");
+
+    // null clears back to the PDF default.
+    await updateIssuedOrder(order.id, { order_text: null });
+    row = await prisma.issued_orders.findUnique({ where: { id: order.id } });
+    expect(row!.order_text).toBeNull();
+  });
 });
 
 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 +199,9 @@ 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 +213,28 @@ 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 +260,7 @@ 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 +278,8 @@ 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 +295,142 @@ 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 +457,19 @@ 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,
@@ -291,20 +478,104 @@ 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>");
     expect(html).not.toContain("alert(1)");
   });
 
+  it("renders the custom order_text heading when set, default when not", () => {
+    const custom = renderIssuedOrderHtml(
+      { ...order, order_text: "Objednáváme dle nabídky č. 123:" },
+      items,
+      null,
+      null,
+      "cs",
+      issuer,
+    );
+    expect(custom).toContain("Objednáváme dle nabídky č. 123:");
+    expect(custom).not.toContain("Objednáváme si u Vás:");
+
+    const fallback = renderIssuedOrderHtml(
+      order,
+      items,
+      null,
+      null,
+      "cs",
+      issuer,
+    );
+    expect(fallback).toContain("Objednáváme si u Vás:");
+  });
+
+  it("with VAT: keeps the VAT columns and the DPH cell holds ONLY the line VAT", () => {
+    const html = renderIssuedOrderHtml(order, items, null, null, "cs", issuer);
+    expect(html).toContain("%DPH");
+    expect(html).toContain(">DPH<");
+    // 2 × 100 @ 21 %: DPH cell = 42,00 (VAT only), Celkem cell = 242,00.
+    expect(html).toContain('<td class="right">42,00</td>');
+    expect(html).toContain('<td class="right total-cell">242,00</td>');
+    expect(html).not.toContain("Celkem bez DPH");
+  });
+
+  it("without VAT: hides the VAT columns and labels the total 'Celkem bez DPH'", () => {
+    const html = renderIssuedOrderHtml(
+      { ...order, apply_vat: false },
+      items,
+      null,
+      null,
+      "cs",
+      issuer,
+    );
+    expect(html).not.toContain("%DPH");
+    expect(html).not.toContain(">DPH<");
+    // No per-line VAT cell, line total = netto.
+    expect(html).not.toContain('<td class="right">42,00</td>');
+    expect(html).toContain('<td class="right total-cell">200,00</td>');
+    expect(html).toContain("Celkem bez DPH");
+    // The subtotal detail row is dropped (it would duplicate the grand total).
+    expect(html).not.toContain("Mezisoučet");
+  });
+
   it("footer shows the logged-in user's name, no e-mail, no Schválil column", () => {
     const html = renderIssuedOrderHtml(order, items, null, null, "cs", issuer);
     // Footer: Vystavil <name> from authData. No e-mail line.

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/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);
@@ -288,6 +293,9 @@ export function AuthProvider({ children }: { children: ReactNode }) {
         );
         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);
@@ -327,6 +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

@@ -1048,6 +1048,10 @@ export default function useAttendanceAdmin({ alert }: AlertContext) {
       if (result.success) {
         setShowCreateModal(false);
         queryClient.invalidateQueries({ queryKey: ["attendance"] });
+        // The dashboard embeds attendance (Přítomní dnes / Docházka dnes /
+        // punch-button state) — without this it serves a stale cache for up
+        // to its staleTime after records change here.
+        queryClient.invalidateQueries({ queryKey: ["dashboard"] });
         await fetchData(false);
         await new Promise((resolve) => setTimeout(resolve, 300));
         alert.success(
@@ -1120,6 +1124,10 @@ export default function useAttendanceAdmin({ alert }: AlertContext) {
       if (result.success) {
         setShowBulkModal(false);
         queryClient.invalidateQueries({ queryKey: ["attendance"] });
+        // The dashboard embeds attendance (Přítomní dnes / Docházka dnes /
+        // punch-button state) — without this it serves a stale cache for up
+        // to its staleTime after records change here.
+        queryClient.invalidateQueries({ queryKey: ["dashboard"] });
         await fetchData(false);
         await new Promise((resolve) => setTimeout(resolve, 300));
         alert.success(
@@ -1255,6 +1263,10 @@ export default function useAttendanceAdmin({ alert }: AlertContext) {
       if (result.success) {
         setShowEditModal(false);
         queryClient.invalidateQueries({ queryKey: ["attendance"] });
+        // The dashboard embeds attendance (Přítomní dnes / Docházka dnes /
+        // punch-button state) — without this it serves a stale cache for up
+        // to its staleTime after records change here.
+        queryClient.invalidateQueries({ queryKey: ["dashboard"] });
         await fetchData(false);
         await new Promise((resolve) => setTimeout(resolve, 300));
         alert.success(
@@ -1285,6 +1297,10 @@ export default function useAttendanceAdmin({ alert }: AlertContext) {
       if (result.success) {
         setDeleteConfirm({ show: false, record: null });
         queryClient.invalidateQueries({ queryKey: ["attendance"] });
+        // The dashboard embeds attendance (Přítomní dnes / Docházka dnes /
+        // punch-button state) — without this it serves a stale cache for up
+        // to its staleTime after records change here.
+        queryClient.invalidateQueries({ queryKey: ["dashboard"] });
         await fetchData(false);
         alert.success(
           result.message || result.data?.message || "Záznam smazán",

src/admin/lib/queries/dashboard.ts

@@ -6,6 +6,11 @@ export const dashboardOptions = () =>
     queryKey: ["dashboard"],
     queryFn: () => jsonQuery<Record<string, unknown>>("/api/admin/dashboard"),
     staleTime: 60_000,
+    // The dashboard aggregates MANY domains (attendance, offers, invoices,
+    // orders, projects, leave). Mutations in those domains can't all be
+    // expected to invalidate ["dashboard"], so always refetch on mount —
+    // navigating back to the dashboard must never show pre-mutation data.
+    refetchOnMount: "always",
   });
 
 // require2FAOptions lives in ./settings.ts (the single definition consumers

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;
@@ -34,13 +45,23 @@ export interface IssuedOrderDetail extends IssuedOrder {
   delivery_terms: string | null;
   payment_terms: string | null;
   issued_by: string | null;
+  order_text: string | null;
   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/pages/Attendance.tsx

@@ -274,7 +274,8 @@ export default function Attendance() {
   >({
     url: () => `${API_BASE}/attendance`,
     method: () => "POST",
-    invalidate: ["attendance"],
+    // dashboard included: the punch-button state + presence cards live there.
+    invalidate: ["attendance", "dashboard"],
   });
 
   const notesMutation = useApiMutation<{ notes: string }, { message?: string }>(
@@ -300,7 +301,8 @@ export default function Attendance() {
   >({
     url: () => `${API_BASE}/leave-requests`,
     method: () => "POST",
-    invalidate: ["attendance", "leave-requests", "leave", "users"],
+    // dashboard included: approvers see the pending-requests KPI there.
+    invalidate: ["attendance", "leave-requests", "leave", "users", "dashboard"],
   });
 
   const [submitting, setSubmitting] = useState(false);

src/admin/pages/AttendanceCreate.tsx

@@ -74,7 +74,7 @@ export default function AttendanceCreate() {
   const createMutation = useApiMutation<CreatePayload, { message?: string }>({
     url: () => `${API_BASE}/attendance`,
     method: () => "POST",
-    invalidate: ["attendance", "users"],
+    invalidate: ["attendance", "users", "dashboard"],
   });
 
   const [form, setForm] = useState<CreateForm>(() => {

src/admin/pages/IssuedOrderDetail.tsx

@@ -41,8 +41,11 @@ 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, numberOr, todayLocalStr } from "../utils/formatters";
 import { normalizeDateStr } from "../utils/attendanceHelpers";
@@ -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;
@@ -168,6 +171,7 @@ interface OrderForm {
   delivery_terms: string;
   payment_terms: string;
   issued_by: string;
+  order_text: string;
   notes: string;
   internal_notes: string;
   status: string;
@@ -506,8 +510,8 @@ 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,
@@ -517,6 +521,7 @@ export default function IssuedOrderDetail() {
     delivery_terms: "",
     payment_terms: "",
     issued_by: user?.fullName || "",
+    order_text: "",
     notes: "",
     internal_notes: "",
     status: "draft",
@@ -551,8 +556,34 @@ 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
@@ -576,13 +607,13 @@ 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: numberOr(d.vat_rate, 21),
@@ -592,6 +623,7 @@ export default function IssuedOrderDetail() {
       delivery_terms: d.delivery_terms || "",
       payment_terms: d.payment_terms || "",
       issued_by: d.issued_by || "",
+      order_text: d.order_text || "",
       notes: d.notes || "",
       internal_notes: d.internal_notes || "",
       status: d.status,
@@ -619,13 +651,13 @@ 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 +665,7 @@ 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 +747,20 @@ 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 +772,7 @@ 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,
@@ -750,6 +782,7 @@ export default function IssuedOrderDetail() {
         delivery_terms: form.delivery_terms,
         payment_terms: form.payment_terms,
         issued_by: form.issued_by,
+        order_text: form.order_text || null,
         notes: form.notes,
         internal_notes: form.internal_notes,
         items: items
@@ -1108,13 +1141,13 @@ 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>
@@ -1390,6 +1423,16 @@ export default function IssuedOrderDetail() {
 
         {/* Notes & terms */}
         <Card sx={{ mb: 3 }}>
+          <Field label="Text objednávky (na PDF)">
+            <TextField
+              value={form.order_text}
+              disabled={!editable}
+              onChange={(e) =>
+                setForm((prev) => ({ ...prev, order_text: e.target.value }))
+              }
+              placeholder="Objednáváme si u Vás: (ponechte prázdné pro výchozí)"
+            />
+          </Field>
           <Field label="Dodací podmínky">
             <TextField
               value={form.delivery_terms}

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/LeaveApproval.tsx

@@ -161,7 +161,7 @@ export default function LeaveApproval() {
   >({
     url: ({ id }) => `${API_BASE}/leave-requests/${id}`,
     method: () => "PUT",
-    invalidate: ["leave-requests", "leave", "attendance", "users"],
+    invalidate: ["leave-requests", "leave", "attendance", "users", "dashboard"],
     onSuccess: () => {
       setApproveModal({ open: false, request: null });
       alert.success("Žádost byla schválena");
@@ -174,7 +174,7 @@ export default function LeaveApproval() {
   >({
     url: ({ id }) => `${API_BASE}/leave-requests/${id}`,
     method: () => "PUT",
-    invalidate: ["leave-requests", "leave", "attendance", "users"],
+    invalidate: ["leave-requests", "leave", "attendance", "users", "dashboard"],
     onSuccess: () => {
       setRejectModal({ open: false, request: null });
       setRejectNote("");

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/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";
@@ -165,12 +190,12 @@ 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:",
     delivery_date: "Požadované dodání:",
-    billing: "Objednáváme u Vás:",
+    billing: "Objednáváme si u Vás:",
     col_no: "Č.",
     col_desc: "Popis",
     col_qty: "Množství",
@@ -182,6 +207,7 @@ const translations: Record<Lang, Record<string, string>> = {
     subtotal: "Mezisoučet:",
     vat_label: "DPH",
     total: "Celkem",
+    total_no_vat: "Celkem bez DPH",
     amounts_in: "Částky jsou uvedeny v",
     notes: "Poznámky",
     delivery_terms: "Dodací podmínky:",
@@ -209,6 +235,7 @@ const translations: Record<Lang, Record<string, string>> = {
     subtotal: "Subtotal:",
     vat_label: "VAT",
     total: "Total",
+    total_no_vat: "Total excl. VAT",
     amounts_in: "Amounts are in",
     notes: "Notes",
     delivery_terms: "Delivery terms:",
@@ -230,6 +257,8 @@ interface IssuedOrderPdfData {
   delivery_terms: string | null;
   payment_terms: string | null;
   issued_by: string | null;
+  // Editable heading above the items table; null → t.billing default.
+  order_text?: string | null;
 }
 
 interface IssuedOrderPdfItem {
@@ -244,7 +273,7 @@ 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 +297,14 @@ 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("");
 
@@ -311,14 +340,19 @@ export function renderIssuedOrderHtml(
           ? `<div class="item-sub">${escapeHtml(it.item_description)}</div>`
           : ""
       }`;
+      // Without "Uplatnit DPH" the VAT columns are dropped entirely (the
+      // header does the same) instead of printing meaningless 0% / 0.00.
+      const vatCells = applyVat
+        ? `
+            <td class="center">${Math.floor(rate)}%</td>
+            <td class="right">${formatNum(lineVat)}</td>`
+        : "";
       return `<tr>
             <td class="row-num">${i + 1}</td>
             <td class="desc">${descHtml}</td>
             <td class="center">${formatNum(qty, qtyDecimals)}${it.unit ? ` / ${escapeHtml(it.unit)}` : ""}</td>
             <td class="right">${formatNum(unitPrice)}</td>
-            <td class="right">${formatNum(lineSubtotal)}</td>
+            <td class="right">${formatNum(lineSubtotal)}</td>${vatCells}
-            <td class="center">${applyVat ? Math.floor(rate) : 0}%</td>
-            <td class="right">${formatNum(lineVat)}</td>
             <td class="right total-cell">${formatNum(lineTotal)}</td>
         </tr>`;
     })
@@ -450,7 +484,7 @@ 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 +749,7 @@ ${indentCSS}
     <div class="invoice-title">${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 +757,9 @@ ${indentCSS}
         <div class="address-name">${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>
@@ -739,18 +773,22 @@ ${indentCSS}
   </table>
 
   <!-- Polozky -->
-  <div class="billing-label">${escapeHtml(t.billing)}</div>
+  <div class="billing-label">${escapeHtml(order.order_text || t.billing)}</div>
   <table class="items">
     <thead>
       <tr>
         <th class="center" style="width:3%">${escapeHtml(t.col_no)}</th>
-        <th style="width:36%">${escapeHtml(t.col_desc)}</th>
+        <th style="width:${applyVat ? 36 : 46}%">${escapeHtml(t.col_desc)}</th>
         <th class="center" style="width:10%">${escapeHtml(t.col_qty)}</th>
         <th class="right" style="width:10%">${escapeHtml(t.col_unit_price)}</th>
-        <th class="right" style="width:10%">${escapeHtml(t.col_price)}</th>
+        <th class="right" style="width:10%">${escapeHtml(t.col_price)}</th>${
+          applyVat
+            ? `
         <th class="center" style="width:5%">${escapeHtml(t.col_vat_pct)}</th>
-        <th class="right" style="width:10%">${escapeHtml(t.col_vat)}</th>
+        <th class="right" style="width:10%">${escapeHtml(t.col_vat)}</th>`
-        <th class="right" style="width:16%">${escapeHtml(t.col_total)}</th>
+            : ""
+        }
+        <th class="right" style="width:${applyVat ? 16 : 21}%">${escapeHtml(t.col_total)}</th>
       </tr>
     </thead>
     <tbody>
@@ -758,17 +796,21 @@ ${indentCSS}
     </tbody>
   </table>
 
-  <!-- Soucty -->
+  <!-- Soucty (bez DPH jen souhrnny radek - mezisoucet by ho jen opakoval) -->
   <div class="totals-wrapper">
-    <div class="totals">
+    <div class="totals">${
+      applyVat
+        ? `
       <div class="detail-rows">
         <div class="row">
           <span class="label">${escapeHtml(t.subtotal)}</span>
           <span class="value">${formatNum(subtotal)} ${escapeHtml(currency)}</span>
         </div>${vatDetailHtml}
-      </div>
+      </div>`
+        : ""
+    }
       <div class="grand">
-        <span class="label">${escapeHtml(t.total)}</span>
+        <span class="label">${escapeHtml(applyVat ? t.total : t.total_no_vat)}</span>
         <span class="value">${formatNum(totalToPay)} ${escapeHtml(currency)}</span>
       </div>
       <div class="currency-note">${escapeHtml(t.amounts_in)} ${escapeHtml(currency)}</div>
@@ -818,9 +860,9 @@ 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 +880,7 @@ 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

@@ -200,6 +200,7 @@ const translations: Record<string, Record<string, string>> = {
     subtotal: "Mezisoučet:",
     vat_label: "DPH",
     total: "Celkem",
+    total_no_vat: "Celkem bez DPH",
     amounts_in: "Částky jsou uvedeny v",
     notes: "Poznámky",
     issued_by: "Vystavil:",
@@ -228,6 +229,7 @@ const translations: Record<string, Record<string, string>> = {
     subtotal: "Subtotal:",
     vat_label: "VAT",
     total: "Total",
+    total_no_vat: "Total excl. VAT",
     amounts_in: "Amounts are in",
     notes: "Notes",
     issued_by: "Issued by:",
@@ -388,14 +390,19 @@ export default async function ordersPdfRoutes(
             const lineTotal = lineSubtotal + lineVat;
             const qtyDecimals =
               Math.floor(item.quantity) === item.quantity ? 0 : 2;
+            // Without "Uplatnit DPH" the VAT columns are dropped entirely
+            // (the header does the same) instead of printing 0% / 0.00.
+            const vatCells = applyVat
+              ? `
+            <td class="center">${Math.floor(item.vat_rate)}%</td>
+            <td class="right">${formatNum(lineVat)}</td>`
+              : "";
             return `<tr>
             <td class="row-num">${i + 1}</td>
             <td class="desc">${escapeHtml(item.description)}</td>
             <td class="center">${formatNum(item.quantity, qtyDecimals)}${item.unit ? ` / ${escapeHtml(item.unit)}` : ""}</td>
             <td class="right">${formatNum(item.unit_price)}</td>
-            <td class="right">${formatNum(lineSubtotal)}</td>
+            <td class="right">${formatNum(lineSubtotal)}</td>${vatCells}
-            <td class="center">${applyVat ? Math.floor(item.vat_rate) : 0}%</td>
-            <td class="right">${formatNum(lineVat)}</td>
             <td class="right total-cell">${formatNum(lineTotal)}</td>
         </tr>`;
           })
@@ -848,13 +855,17 @@ ${indentCSS}
     <thead>
       <tr>
         <th class="center" style="width:3%">${escapeHtml(t.col_no)}</th>
-        <th style="width:36%">${escapeHtml(t.col_desc)}</th>
+        <th style="width:${applyVat ? 36 : 46}%">${escapeHtml(t.col_desc)}</th>
         <th class="center" style="width:10%">${escapeHtml(t.col_qty)}</th>
         <th class="right" style="width:10%">${escapeHtml(t.col_unit_price)}</th>
-        <th class="right" style="width:10%">${escapeHtml(t.col_price)}</th>
+        <th class="right" style="width:10%">${escapeHtml(t.col_price)}</th>${
+          applyVat
+            ? `
         <th class="center" style="width:5%">${escapeHtml(t.col_vat_pct)}</th>
-        <th class="right" style="width:10%">${escapeHtml(t.col_vat)}</th>
+        <th class="right" style="width:10%">${escapeHtml(t.col_vat)}</th>`
-        <th class="right" style="width:16%">${escapeHtml(t.col_total)}</th>
+            : ""
+        }
+        <th class="right" style="width:${applyVat ? 16 : 21}%">${escapeHtml(t.col_total)}</th>
       </tr>
     </thead>
     <tbody>
@@ -862,17 +873,21 @@ ${indentCSS}
     </tbody>
   </table>
 
-  <!-- Soucty -->
+  <!-- Soucty (bez DPH jen souhrnny radek - mezisoucet by ho jen opakoval) -->
   <div class="totals-wrapper">
-    <div class="totals">
+    <div class="totals">${
+      applyVat
+        ? `
       <div class="detail-rows">
         <div class="row">
           <span class="label">${escapeHtml(t.subtotal)}</span>
           <span class="value">${formatNum(subtotal)} ${escapeHtml(currency)}</span>
         </div>${vatDetailHtml}
-      </div>
+      </div>`
+        : ""
+    }
       <div class="grand">
-        <span class="label">${escapeHtml(t.total)}</span>
+        <span class="label">${escapeHtml(applyVat ? t.total : t.total_no_vat)}</span>
         <span class="value">${formatNum(totalToPay)} ${escapeHtml(currency)}</span>
       </div>
       <div class="currency-note">${escapeHtml(t.amounts_in)} ${escapeHtml(currency)}</div>

src/routes/admin/received-invoices.ts

@@ -15,6 +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;
@@ -561,14 +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/schemas/attendance.schema.ts

@@ -1,6 +1,7 @@
 import { z } from "zod";
 import {
   intIdFromForm,
+  isoDateString,
   nullableDateTimeString,
   nullableIntIdFromForm,
   numberFromForm,
@@ -73,7 +74,10 @@ export const AttendancePunchSchema = z.object({
 // 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
+  // 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(),

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(),
@@ -40,6 +40,9 @@ export const CreateIssuedOrderSchema = z.object({
   delivery_terms: z.string().max(500).nullish(),
   payment_terms: z.string().max(500).nullish(),
   issued_by: z.string().max(255).nullish(),
+  // Editable heading above the PDF items table; empty/null falls back to the
+  // default "Objednáváme si u Vás:" (issued-orders-pdf t.billing).
+  order_text: z.string().max(500).nullish(),
   notes: z.string().nullish(),
   internal_notes: z.string().nullish(),
   items: z.array(IssuedOrderItemSchema).optional(),

src/services/attendance.service.ts

@@ -189,12 +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] =
@@ -212,7 +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: {
@@ -228,7 +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 },
         },
       }),
     ]);
@@ -585,10 +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,
@@ -846,13 +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;
 
@@ -1043,9 +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)),
     };
   }
 
@@ -1527,15 +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

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 },
     }),
@@ -601,9 +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;
@@ -31,6 +32,7 @@ export interface IssuedOrderInput {
   delivery_terms?: string | null;
   payment_terms?: string | null;
   issued_by?: string | null;
+  order_text?: string | null;
   notes?: string | null;
   internal_notes?: string | null;
   items?: IssuedOrderItemInput[];
@@ -40,7 +42,7 @@ export interface IssuedOrderInput {
 interface IssuedOrderFilterParams {
   search?: string;
   status?: string;
-  customer_id?: number;
+  supplier_id?: number;
   month?: number;
   year?: number;
 }
@@ -66,20 +68,23 @@ 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 +155,7 @@ 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 +172,7 @@ 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 +222,19 @@ 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 +243,8 @@ 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 +253,17 @@ 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 +283,19 @@ 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,
@@ -274,6 +305,7 @@ export async function createIssuedOrder(body: IssuedOrderInput) {
           : null,
         payment_terms: body.payment_terms ? String(body.payment_terms) : null,
         issued_by: body.issued_by ? String(body.issued_by) : null,
+        order_text: body.order_text ? String(body.order_text) : null,
         notes: body.notes ? String(body.notes) : null,
         internal_notes: body.internal_notes
           ? String(body.internal_notes)
@@ -324,12 +356,23 @@ export async function updateIssuedOrder(id: number, body: IssuedOrderInput) {
       "delivery_terms",
       "payment_terms",
       "issued_by",
+      "order_text",
     ];
     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/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();