chore(release): v2.4.22 - Odin document detail tools

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

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "app-ts",
-  "version": "2.4.17",
+  "version": "2.4.22",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "app-ts",
-      "version": "2.4.17",
+      "version": "2.4.22",
       "license": "ISC",
       "dependencies": {
         "@anthropic-ai/sdk": "^0.102.0",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "app-ts",
-  "version": "2.4.17",
+  "version": "2.4.22",
   "description": "",
   "main": "dist/server.js",
   "scripts": {

src/__tests__/ai-tools.test.ts

@@ -176,6 +176,57 @@ beforeAll(async () => {
   });
 });
 
+const FIX_OFFER_NUMBER = "2098/NA/99999";
+let fixOfferId = 0;
+
+beforeAll(async () => {
+  await prisma.quotations.deleteMany({
+    where: { quotation_number: FIX_OFFER_NUMBER },
+  });
+  const q = await prisma.quotations.create({
+    data: {
+      quotation_number: FIX_OFFER_NUMBER,
+      status: "active",
+      currency: "EUR",
+      quotation_items: {
+        create: [
+          {
+            position: 1,
+            description: "Rozvaděč RVO-1",
+            item_description: "<p>Hlavní <b>rozvaděč</b> včetně montáže</p>",
+            quantity: 2,
+            unit: "ks",
+            unit_price: 1000,
+          },
+          {
+            position: 2,
+            description: "Doprava (informativní)",
+            quantity: 1,
+            unit: "ks",
+            unit_price: 500,
+            is_included_in_total: false,
+          },
+        ],
+      },
+      scope_sections: {
+        create: [
+          {
+            position: 1,
+            title_cz: "Rozsah projektu",
+            content: "<p>Dodávka &amp; montáž <i>na klíč</i>.</p>",
+          },
+        ],
+      },
+    },
+  });
+  fixOfferId = q.id;
+});
+
+afterAll(async () => {
+  // Items/sections cascade with the quotation.
+  await prisma.quotations.deleteMany({ where: { id: fixOfferId } });
+});
+
 afterAll(async () => {
   // FK-safe order: plan entries carry a Restrict FK on created_by.
   const fixUserIds = [fixUserId, fixUser2Id];
@@ -410,6 +461,56 @@ describe("ai-tools — employees, attendance detail, trips, work plan", () => {
     expect(o.total_km).toBe(52); // foreign 100km trip excluded from totals too
   });
 
+  it("get_offer_detail returns line items, totals and stripped sections", async () => {
+    const res = await executeTool(
+      "get_offer_detail",
+      { number: "99999" }, // partial number lookup
+      ADMIN,
+    );
+    expect(res.ok).toBe(true);
+    const r = res.result as {
+      number: string;
+      currency: string;
+      item_count: number;
+      items_total: number;
+      items: {
+        name: string;
+        detail?: string;
+        line_total: number;
+        excluded_from_total?: boolean;
+      }[];
+      sections: { title: string | null; text: string }[];
+    };
+    expect(r.number).toBe(FIX_OFFER_NUMBER);
+    expect(r.currency).toBe("EUR");
+    expect(r.item_count).toBe(2);
+    expect(r.items[0]).toMatchObject({
+      name: "Rozvaděč RVO-1",
+      detail: "Hlavní rozvaděč včetně montáže", // HTML stripped
+      line_total: 2000,
+    });
+    expect(r.items[1].excluded_from_total).toBe(true);
+    expect(r.items_total).toBe(2000); // excluded row not counted
+    expect(r.sections[0]).toMatchObject({ title: "Rozsah projektu" });
+    expect(r.sections[0].text).toContain("Dodávka & montáž na klíč");
+
+    // Unknown number → explicit Czech error, flagged not-ok.
+    const miss = await executeTool(
+      "get_offer_detail",
+      { number: "NEEXISTUJE-123" },
+      ADMIN,
+    );
+    expect(miss.ok).toBe(false);
+
+    // No offers.view → denied.
+    const denied = await executeTool(
+      "get_offer_detail",
+      { number: "99999" },
+      NOBODY,
+    );
+    expect(denied.ok).toBe(false);
+  });
+
   it("get_work_plan resolves the range-entry into per-day rows", async () => {
     const res = await executeTool(
       "get_work_plan",

src/admin/components/odin/OdinChat.tsx

@@ -1,4 +1,5 @@
 import { useState, useRef, useEffect } from "react";
+import { useNavigate } from "react-router-dom";
 import { useQuery, useQueryClient } from "@tanstack/react-query";
 import Box from "@mui/material/Box";
 import Typography from "@mui/material/Typography";
@@ -109,6 +110,17 @@ export default function OdinChat() {
   });
   const [sidebarOpen, setSidebarOpen] = useState(false);
 
+  // Mobile is immersive (no AppShell header on /odin) — this is the only way
+  // back. A deep link straight to /odin has no in-app history → go home.
+  const navigate = useNavigate();
+  const goBack = () => {
+    if (((window.history.state as { idx?: number } | null)?.idx ?? 0) > 0) {
+      navigate(-1);
+    } else {
+      navigate("/");
+    }
+  };
+
   // No auto-select: like claude.ai, we land on a fresh "new chat" (activeId
   // null) and the sidebar lists existing conversations to open. A conversation
   // row in the DB is created lazily on the first message (see submit), so
@@ -424,11 +436,21 @@ export default function OdinChat() {
         // browser-chrome height. svh sizes for the bar-visible viewport — the
         // page never scrolls and the chat's message list scrolls internally.
         // Desktop: svh === vh.
-        height: "calc(100svh - 100px)",
+        // Mobile is immersive (AppShell hides its header and main padding on
+        // /odin): the chat owns the whole viewport, full-bleed. --app-height
+        // is AppShell's live window.innerHeight measurement — standalone-PWA
+        // viewports misreport svh/dvh (MIUI), only the measured value fits.
+        height: {
+          xs: "var(--app-height, 100svh)",
+          md: "calc(100svh - 100px)",
+        },
         display: "flex",
-        border: 1,
+        // Longhand on purpose: a responsive `border` shorthand lands in a
+        // media query AFTER borderColor and resets the color to black.
+        borderStyle: "solid",
+        borderWidth: { xs: 0, md: 1 },
         borderColor: "divider",
-        borderRadius: 3,
+        borderRadius: { xs: 0, md: 3 },
         bgcolor: "background.paper",
         overflow: "hidden",
       }}
@@ -454,15 +476,41 @@ export default function OdinChat() {
           flexDirection: "column",
           gap: 1.5,
           p: 2,
+          // Immersive mobile: respect the notch / home-indicator insets
+          // (env() is 0 outside standalone mode, so max() keeps the 16px).
+          pt: { xs: "max(16px, env(safe-area-inset-top))", md: 2 },
+          pb: { xs: "max(16px, env(safe-area-inset-bottom))", md: 2 },
         }}
       >
         <Box sx={{ display: "flex", alignItems: "center", gap: 1 }}>
+          {isMobile && (
+            <IconButton
+              onClick={goBack}
+              aria-label="Zpět"
+              size="small"
+              sx={{ ml: -0.5, flexShrink: 0 }}
+            >
+              <Box
+                component="svg"
+                viewBox="0 0 24 24"
+                sx={{ width: 22, height: 22 }}
+                fill="none"
+                stroke="currentColor"
+                strokeWidth="2"
+                strokeLinecap="round"
+                strokeLinejoin="round"
+              >
+                <line x1="19" y1="12" x2="5" y2="12" />
+                <polyline points="12 19 5 12 12 5" />
+              </Box>
+            </IconButton>
+          )}
           {isMobile && (
             <IconButton
               onClick={() => setSidebarOpen(true)}
               aria-label="Konverzace"
               size="small"
-              sx={{ ml: -0.5, flexShrink: 0 }}
+              sx={{ flexShrink: 0 }}
             >
               <Box
                 component="svg"

src/admin/components/odin/OdinThread.tsx

@@ -1,7 +1,12 @@
 import Box from "@mui/material/Box";
 import Typography from "@mui/material/Typography";
 import Chip from "@mui/material/Chip";
-import { motion, useReducedMotion, type Variants } from "framer-motion";
+import {
+  motion,
+  AnimatePresence,
+  useReducedMotion,
+  type Variants,
+} from "framer-motion";
 import type { ChatTurn } from "./types";
 import OdinMark from "./OdinMark";
 
@@ -150,12 +155,17 @@ export default function OdinThread({
         return (
           <MotionBox
             key={i}
-            initial={reduce ? { opacity: 0 } : { opacity: 0, y: 10 }}
-            animate={{ opacity: 1, y: 0 }}
-            transition={{
-              duration: reduce ? 0.3 : 0.34,
-              ease: [0.16, 1, 0.3, 1],
-            }}
+            initial={
+              reduce
+                ? { opacity: 0 }
+                : { opacity: 0, y: 14, scale: 0.9, x: isUser ? 12 : -12 }
+            }
+            animate={{ opacity: 1, y: 0, scale: 1, x: 0 }}
+            transition={
+              reduce
+                ? { duration: 0.3 }
+                : { type: "spring", stiffness: 460, damping: 32, mass: 0.7 }
+            }
             sx={{
               display: "flex",
               flexDirection: "row",
@@ -163,6 +173,9 @@ export default function OdinThread({
               gap: 1,
               alignSelf: isUser ? "flex-end" : "flex-start",
               maxWidth: "80%",
+              // The pop grows out of the corner where the bubble is anchored
+              // (next to the avatar / the composer side), not from its centre.
+              transformOrigin: isUser ? "bottom right" : "bottom left",
             }}
           >
             {!isUser && <OdinMark size={28} />}
@@ -218,25 +231,79 @@ export default function OdinThread({
         );
       })}
 
-      {/* Busy indicator — same 28px mark and zero row padding as the bubble
-          rows, so the thinking mark sits exactly in the avatar column. */}
-      {busy && (
-        <Box
-          sx={{
-            alignSelf: "flex-start",
-            display: "flex",
-            alignItems: "center",
-            gap: 1,
-            py: 1,
-            color: "text.secondary",
-          }}
-        >
-          <OdinMark size={28} state="thinking" />
-          <Typography variant="caption" sx={{ color: "inherit" }}>
-            Pracuji…
-          </Typography>
-        </Box>
-      )}
+      {/* Busy indicator — a typing bubble (three bouncing dots) anchored in
+          the avatar column, springing in/out where the reply will land. */}
+      <AnimatePresence>
+        {busy && (
+          <MotionBox
+            key="busy"
+            initial={
+              reduce ? { opacity: 0 } : { opacity: 0, y: 10, scale: 0.85 }
+            }
+            animate={{ opacity: 1, y: 0, scale: 1 }}
+            exit={
+              reduce
+                ? { opacity: 0, transition: { duration: 0.15 } }
+                : {
+                    opacity: 0,
+                    scale: 0.85,
+                    transition: { duration: 0.16, ease: "easeIn" },
+                  }
+            }
+            transition={
+              reduce
+                ? { duration: 0.3 }
+                : { type: "spring", stiffness: 460, damping: 32, mass: 0.7 }
+            }
+            sx={{
+              alignSelf: "flex-start",
+              display: "flex",
+              alignItems: "flex-end",
+              gap: 1,
+              transformOrigin: "bottom left",
+            }}
+          >
+            <OdinMark size={28} state="thinking" />
+            <Box
+              role="status"
+              aria-label="Odin pracuje"
+              sx={{
+                px: 1.5,
+                py: 1.5,
+                borderRadius: 2,
+                boxShadow: 1,
+                bgcolor: "background.paper",
+                display: "flex",
+                alignItems: "center",
+                gap: 0.6,
+              }}
+            >
+              {[0, 1, 2].map((i) => (
+                <MotionBox
+                  key={i}
+                  animate={
+                    reduce
+                      ? { opacity: [0.35, 1, 0.35] }
+                      : { y: [0, -4, 0], opacity: [0.35, 1, 0.35] }
+                  }
+                  transition={{
+                    duration: 0.9,
+                    repeat: Infinity,
+                    delay: i * 0.15,
+                    ease: "easeInOut",
+                  }}
+                  sx={{
+                    width: 6,
+                    height: 6,
+                    borderRadius: "50%",
+                    bgcolor: "text.secondary",
+                  }}
+                />
+              ))}
+            </Box>
+          </MotionBox>
+        )}
+      </AnimatePresence>
     </Box>
   );
 }

src/admin/ui/AppShell.tsx

@@ -23,6 +23,41 @@ export default function AppShell() {
     undefined,
   );
 
+  // Chat-style pages own the full mobile viewport: under md the shell header
+  // disappears and main loses its padding — the page brings its own back
+  // button. Desktop keeps the normal shell.
+  const immersiveOnMobile = location.pathname === "/odin";
+
+  // Installed-PWA (standalone) viewports lie to CSS units: on MIUI/Android
+  // svh/dvh are computed against a viewport that includes system UI the real
+  // layout viewport doesn't have, leaving scroll room no unit can remove
+  // (and Chrome can serve a stale viewport after minimize/restore). Measure
+  // the truth — window.innerHeight — into --app-height and keep it fresh;
+  // immersive layouts size from it with an svh fallback.
+  useEffect(() => {
+    if (!immersiveOnMobile) return;
+    const root = document.documentElement;
+    const set = () =>
+      root.style.setProperty("--app-height", `${window.innerHeight}px`);
+    set();
+    window.addEventListener("resize", set);
+    window.visualViewport?.addEventListener("resize", set);
+    // Kill pull-to-refresh: a PTR reload lands mid-viewport-settle and
+    // re-races the measurement (Chromium settles without a resize event).
+    // The immersive page is fixed-viewport — the gesture has no use here.
+    const prevRootOverscroll = root.style.overscrollBehaviorY;
+    const prevBodyOverscroll = document.body.style.overscrollBehaviorY;
+    root.style.overscrollBehaviorY = "none";
+    document.body.style.overscrollBehaviorY = "none";
+    return () => {
+      window.removeEventListener("resize", set);
+      window.visualViewport?.removeEventListener("resize", set);
+      root.style.removeProperty("--app-height");
+      root.style.overscrollBehaviorY = prevRootOverscroll;
+      document.body.style.overscrollBehaviorY = prevBodyOverscroll;
+    };
+  }, [immersiveOnMobile]);
+
   const handleLogout = useCallback(() => {
     setLoggingOut(true);
     setMobileOpen(false);
@@ -74,13 +109,22 @@ export default function AppShell() {
           duration: loggingOut ? 0.4 : 0.25,
           ease: [0.4, 0, 0.2, 1],
         }}
-        style={{ minHeight: "100dvh" }}
       >
         <Box
           sx={{
             display: "flex",
-            minHeight: "100dvh",
             bgcolor: "background.default",
+            // Immersive mobile pages must make the DOCUMENT exactly the
+            // small-viewport height and clip it: MIUI/Xiaomi Chrome keeps
+            // 100dvh at the large-viewport size while the URL bar overlays,
+            // so a 100dvh min-height leaves the page scrollable by the bar
+            // height (invisible in desktop emulation). svh + hidden overflow
+            // makes body scroll impossible regardless of dvh interpretation.
+            minHeight: immersiveOnMobile ? { xs: 0, md: "100dvh" } : "100dvh",
+            ...(immersiveOnMobile && {
+              height: { xs: "var(--app-height, 100svh)", md: "auto" },
+              overflow: { xs: "hidden", md: "visible" },
+            }),
           }}
         >
           <Drawer
@@ -123,6 +167,7 @@ export default function AppShell() {
             sx={{
               flex: 1,
               minWidth: 0,
+              minHeight: 0,
               display: "flex",
               flexDirection: "column",
             }}
@@ -130,7 +175,9 @@ export default function AppShell() {
             <Box
               component="header"
               sx={{
-                display: "flex",
+                display: immersiveOnMobile
+                  ? { xs: "none", md: "flex" }
+                  : "flex",
                 alignItems: "center",
                 gap: 1,
                 px: 2,
@@ -160,7 +207,18 @@ export default function AppShell() {
               <Box sx={{ flex: 1 }} />
               <ThemeToggle />
             </Box>
-            <Box component="main" sx={{ flex: 1, px: { xs: 2, md: 3 }, pb: 4 }}>
+            <Box
+              component="main"
+              sx={{
+                flex: 1,
+                px: immersiveOnMobile ? { xs: 0, md: 3 } : { xs: 2, md: 3 },
+                pb: immersiveOnMobile ? { xs: 0, md: 4 } : 4,
+                ...(immersiveOnMobile && {
+                  minHeight: 0,
+                  overflow: { xs: "hidden", md: "visible" },
+                }),
+              }}
+            >
               <Outlet />
             </Box>
           </Box>

src/services/ai-tools.ts

@@ -1,10 +1,10 @@
 import type Anthropic from "@anthropic-ai/sdk";
 import prisma from "../config/database";
-import { listInvoices, getInvoiceStats } from "./invoices.service";
-import { listOffers } from "./offers.service";
-import { listOrders } from "./orders.service";
-import { listIssuedOrders } from "./issued-orders.service";
-import { listProjects } from "./projects.service";
+import { listInvoices, getInvoiceStats, getInvoice } from "./invoices.service";
+import { listOffers, getOffer } from "./offers.service";
+import { listOrders, getOrder } from "./orders.service";
+import { listIssuedOrders, getIssuedOrder } from "./issued-orders.service";
+import { listProjects, getProject } from "./projects.service";
 import { getBelowMinimumItems } from "./warehouse.service";
 import { calcWorkedHours } from "./attendance.service";
 import { resolveGrid, listPlanUsers } from "./plan.service";
@@ -86,6 +86,77 @@ const hhmm = (d: Date | null): string | null =>
     : null;
 const round2 = (n: number): number => Math.round(n * 100) / 100;
 
+/** Quill/HTML rich text → compact plain text for model context. */
+const stripHtml = (html: string | null | undefined): string =>
+  (html ?? "")
+    .replace(/<[^>]+>/g, " ")
+    .replace(/&nbsp;/gi, " ")
+    .replace(/&amp;/gi, "&")
+    .replace(/&lt;/gi, "<")
+    .replace(/&gt;/gi, ">")
+    .replace(/\s+/g, " ")
+    .trim();
+
+interface DocItemRow {
+  description: string | null;
+  item_description: string | null;
+  quantity: unknown;
+  unit: string | null;
+  unit_price: unknown;
+  is_included_in_total?: boolean | null;
+}
+
+/**
+ * Shared line-item mapping for the document detail tools. Shows up to 50
+ * rows; the items_total still covers ALL included rows (same rule as the
+ * editors: is_included_in_total === false rows don't count).
+ */
+const mapDocItems = (rows: DocItemRow[]) => {
+  let total = 0;
+  for (const r of rows) {
+    if (r.is_included_in_total !== false) {
+      total += Number(r.quantity ?? 0) * Number(r.unit_price ?? 0);
+    }
+  }
+  return {
+    item_count: rows.length,
+    items_shown: Math.min(rows.length, 50),
+    items: rows.slice(0, 50).map((r) => {
+      const qty = Number(r.quantity ?? 0);
+      const price = Number(r.unit_price ?? 0);
+      const detail = stripHtml(r.item_description);
+      return {
+        name: r.description,
+        ...(detail ? { detail: detail.slice(0, 300) } : {}),
+        quantity: qty,
+        unit: r.unit,
+        unit_price: price,
+        line_total: round2(qty * price),
+        ...(r.is_included_in_total === false
+          ? { excluded_from_total: true }
+          : {}),
+      };
+    }),
+    items_total: round2(total),
+  };
+};
+
+interface DocSectionRow {
+  title: string | null;
+  title_cz: string | null;
+  content: string | null;
+}
+
+/** Rich-text sections → short plain-text excerpts (max 10 × 500 chars). */
+const mapDocSections = (rows: DocSectionRow[]) =>
+  rows
+    .map((s) => ({
+      title: s.title_cz || s.title || null,
+      text: stripHtml(s.content).slice(0, 500),
+    }))
+    .filter((s) => s.title || s.text)
+    .slice(0, 10);
+
 const TOOLS: ToolSpec[] = [
   {
     permission: "invoices.view",
@@ -980,6 +1051,236 @@ const TOOLS: ToolSpec[] = [
       };
     },
   },
+  {
+    permission: "offers.view",
+    definition: {
+      name: "get_offer_detail",
+      description:
+        "Detail jedné nabídky včetně POLOŽEK (rozpis řádků s množstvím, jednotkovými cenami a součtem) a textových sekcí. Volej, když se uživatel ptá na obsah/položky konkrétní nabídky. Číslo nabídky zjistíš z list_offers nebo od uživatele; koncepty bez čísla detail nemají. Ceny BEZ DPH.",
+      input_schema: {
+        type: "object",
+        properties: {
+          number: {
+            type: "string",
+            description: "Číslo nabídky, stačí část (např. 10035)",
+          },
+        },
+        required: ["number"],
+      },
+    },
+    handler: async (input) => {
+      const number = str(input.number);
+      if (!number) return { error: "Zadej číslo nabídky." };
+      const found = await prisma.quotations.findFirst({
+        where: { quotation_number: { contains: number } },
+        orderBy: { id: "desc" },
+        select: { id: true },
+      });
+      if (!found) return { error: "Nabídka s tímto číslem neexistuje." };
+      const o = await getOffer(found.id);
+      if (!o) return { error: "Nabídka nenalezena." };
+      return {
+        number: o.quotation_number,
+        status: o.status,
+        customer: o.customer_name,
+        project_code: o.project_code,
+        valid_until: o.valid_until,
+        currency: o.currency,
+        order_number: o.order?.order_number ?? null,
+        note: "Ceny jsou bez DPH (nabídka není daňový doklad).",
+        ...mapDocItems(o.items),
+        sections: mapDocSections(o.sections),
+      };
+    },
+  },
+  {
+    permission: "orders.view",
+    definition: {
+      name: "get_order_detail",
+      description:
+        "Detail jedné přijaté objednávky (od zákazníka) včetně POLOŽEK a textových sekcí, s vazbami na nabídku, projekt a fakturu. Číslo objednávky zjistíš z list_orders. Ceny BEZ DPH.",
+      input_schema: {
+        type: "object",
+        properties: {
+          number: {
+            type: "string",
+            description: "Číslo objednávky, stačí část",
+          },
+        },
+        required: ["number"],
+      },
+    },
+    handler: async (input) => {
+      const number = str(input.number);
+      if (!number) return { error: "Zadej číslo objednávky." };
+      const found = await prisma.orders.findFirst({
+        where: { order_number: { contains: number } },
+        orderBy: { id: "desc" },
+        select: { id: true },
+      });
+      if (!found) return { error: "Objednávka s tímto číslem neexistuje." };
+      const o = await getOrder(found.id);
+      if (!o) return { error: "Objednávka nenalezena." };
+      return {
+        number: o.order_number,
+        customer_order_number: o.customer_order_number,
+        status: o.status,
+        customer: o.customer_name,
+        currency: o.currency,
+        quotation_number: o.quotation_number,
+        project_number: o.project?.project_number ?? null,
+        invoice_number: o.invoice_number,
+        note: "Ceny jsou bez DPH.",
+        ...mapDocItems(o.items),
+        sections: mapDocSections(o.sections),
+      };
+    },
+  },
+  {
+    permission: "orders.view",
+    definition: {
+      name: "get_issued_order_detail",
+      description:
+        "Detail jedné vydané objednávky (nákup u dodavatele) včetně POLOŽEK a obsahu. Číslo zjistíš z list_issued_orders. Ceny BEZ DPH.",
+      input_schema: {
+        type: "object",
+        properties: {
+          number: {
+            type: "string",
+            description: "Číslo vydané objednávky, stačí část",
+          },
+        },
+        required: ["number"],
+      },
+    },
+    handler: async (input) => {
+      const number = str(input.number);
+      if (!number) return { error: "Zadej číslo vydané objednávky." };
+      const found = await prisma.issued_orders.findFirst({
+        where: { po_number: { contains: number } },
+        orderBy: { id: "desc" },
+        select: { id: true },
+      });
+      if (!found) {
+        return { error: "Vydaná objednávka s tímto číslem neexistuje." };
+      }
+      const o = await getIssuedOrder(found.id);
+      if (!o) return { error: "Vydaná objednávka nenalezena." };
+      return {
+        number: o.po_number,
+        status: o.status,
+        supplier: o.supplier_name,
+        order_date: o.order_date,
+        currency: o.currency,
+        note: "Ceny jsou bez DPH.",
+        ...mapDocItems(o.items),
+        sections: mapDocSections(o.sections),
+      };
+    },
+  },
+  {
+    permission: "invoices.view",
+    definition: {
+      name: "get_invoice_detail",
+      description:
+        "Detail jedné vydané faktury včetně POLOŽEK a rozpisu DPH (základ, DPH, celkem s DPH). Číslo faktury zjistíš z list_invoices.",
+      input_schema: {
+        type: "object",
+        properties: {
+          number: {
+            type: "string",
+            description: "Číslo faktury, stačí část",
+          },
+        },
+        required: ["number"],
+      },
+    },
+    handler: async (input) => {
+      const number = str(input.number);
+      if (!number) return { error: "Zadej číslo faktury." };
+      const found = await prisma.invoices.findFirst({
+        where: { invoice_number: { contains: number } },
+        orderBy: { id: "desc" },
+        select: { id: true },
+      });
+      if (!found) return { error: "Faktura s tímto číslem neexistuje." };
+      const inv = await getInvoice(found.id);
+      if (!inv) return { error: "Faktura nenalezena." };
+      // Same VAT rule as the invoice editor: per-item vat_rate, applied only
+      // when the header apply_vat switch is on.
+      let net = 0;
+      let vat = 0;
+      for (const it of inv.items) {
+        const line = Number(it.quantity ?? 0) * Number(it.unit_price ?? 0);
+        net += line;
+        if (inv.apply_vat !== false) {
+          vat += line * (Number(it.vat_rate ?? 0) / 100);
+        }
+      }
+      return {
+        number: inv.invoice_number,
+        status: inv.status,
+        customer: inv.customer_name,
+        order_number: inv.order_number,
+        issue_date: inv.issue_date,
+        due_date: inv.due_date,
+        currency: inv.currency,
+        net_total: round2(net),
+        vat_total: round2(vat),
+        total_with_vat: round2(net + vat),
+        ...mapDocItems(inv.items),
+        sections: mapDocSections(inv.sections),
+      };
+    },
+  },
+  {
+    permission: "projects.view",
+    definition: {
+      name: "get_project_detail",
+      description:
+        "Detail jednoho projektu: stav, zákazník, odpovědná osoba, termíny, vazby na nabídku/objednávku a poslední poznámky. Číslo projektu zjistíš z list_projects.",
+      input_schema: {
+        type: "object",
+        properties: {
+          number: {
+            type: "string",
+            description: "Číslo projektu, stačí část",
+          },
+        },
+        required: ["number"],
+      },
+    },
+    handler: async (input) => {
+      const number = str(input.number);
+      if (!number) return { error: "Zadej číslo projektu." };
+      const found = await prisma.projects.findFirst({
+        where: { project_number: { contains: number } },
+        orderBy: { id: "desc" },
+        select: { id: true },
+      });
+      if (!found) return { error: "Projekt s tímto číslem neexistuje." };
+      const p = await getProject(found.id);
+      if (!p) return { error: "Projekt nenalezen." };
+      return {
+        number: p.project_number,
+        name: p.name,
+        status: p.status,
+        customer: p.customer_name,
+        responsible: p.responsible_user_name,
+        start_date: p.start_date,
+        end_date: p.end_date,
+        quotation_number: p.quotation_number,
+        order_number: p.order_number,
+        order_status: p.order_status,
+        description: stripHtml(p.notes).slice(0, 500) || null,
+        recent_notes: p.project_notes.slice(0, 5).map((n) => ({
+          author: n.user_name,
+          date: n.created_at,
+          text: stripHtml(n.content).slice(0, 300),
+        })),
+      };
+    },
+  },
 ];
 
 /** Tool definitions the caller may use — filtered by their permissions. */
@@ -1042,4 +1343,9 @@ export const TOOL_LABELS: Record<string, string> = {
   find_employee: "Zaměstnanci",
   list_trips: "Kniha jízd",
   get_work_plan: "Plán práce",
+  get_offer_detail: "Detail nabídky",
+  get_order_detail: "Detail objednávky",
+  get_issued_order_detail: "Detail obj. vydané",
+  get_invoice_detail: "Detail faktury",
+  get_project_detail: "Detail projektu",
 };