fix(deploy): reuse shared server n8n

PROJECT_STATE.md

@@ -6,13 +6,15 @@
   `/mnt/user/appdata/mobilityops`, Compose project `mobilityops`.
 - Deployment config commits: `07ab7a3`, `847cd05`, `e1a1c67`, `1e13943`. The accepted
   baseline `4bf9afbeff44088864e0844769d4dd0e4089d85b` remains intact.
-- All four services are healthy with zero restarts. Only web port 1236 is exposed to the
-  LAN; n8n is loopback-only on host port 15678; API and PostgreSQL are internal.
+- MobilityOps PostgreSQL, API and web services are healthy. Only web port 1236 is exposed
+  by the MobilityOps Compose project; API and PostgreSQL remain internal. Automation uses
+  the server's existing shared n8n at `http://192.168.10.150:5678`; no second MobilityOps
+  n8n container is running.
 - Migrations are at `e7b08389f47f (head)` and deterministic seed counts match final
   acceptance. A Chrome smoke test covered every requested page and a real return; its n8n
   event succeeded on attempt 1. Browser console and recent service log scans were clean.
 - RAGcore is disabled in favor of the honest local demo provider. MCP Hub registration is
-  disabled. n8n is initialized, published, healthy, and live-verified.
+  disabled. The MobilityOps workflow is published in the existing n8n and live-verified.
 - Local post-change gates: 66 backend tests, Ruff, mypy (44 files), and frontend production
   build all pass. Evidence is in `artifacts/deployment/unraid-summary.md`.
 - Published to the private Gitea repository
@@ -294,20 +296,27 @@ None. External service credentials may be absent; use the documented demo/degrad
   - `docker compose run --rm api ruff check .` — **All checks passed**.
   - `docker compose run --rm api mypy app` — **0 issues in 44 files**.
   - `cd frontend && npm run lint` — clean TypeScript check.
-  - `cd frontend && npm run build` — production build succeeded (59 modules; 238.66 kB JS,
-    36.54 kB CSS before gzip).
-  - `cd frontend && playwright test --reporter=line` — **18 passed** including the full
+  - `cd frontend && npm run build` — production build succeeded (59 modules; 240.24 kB JS,
+    36.63 kB CSS before gzip).
+  - `cd frontend && playwright test --reporter=line` — **19 passed** including the full
     five-minute demo, every interactive route, return review semantics and four viewport
     overflow checks.
 - Review deployment updated at `http://192.168.10.150:1236` with persistent PostgreSQL
-  and n8n volumes preserved. Deployed smoke: all ten authenticated routes plus login at
+  data preserved. Deployed smoke: all ten authenticated routes plus login at
   desktop and mobile sizes rendered without alert state or horizontal overflow; browser console had zero
   warnings/errors; seven authenticated API paths returned 200; PostgreSQL/API were
-  healthy and n8n `/healthz` returned `{"status":"ok"}`.
-- The repository compose file uses developer ports, so the existing review deployment's
-  established bindings were restored after archive extraction: web `1236:80`, n8n
-  `127.0.0.1:15678:5678`, and no host API port. This is deployment configuration only;
-  no unrelated container was altered.
-- Exact next action after this record: commit and push the deployed evidence, update the
-  deployed source-revision marker to that final documentation commit without rebuilding
-  unchanged images, then hand the branch off for review. Do not merge master automatically.
+  healthy and the shared n8n `/healthz` returned `{"status":"ok"}`.
+- Corrected the review topology after confirming the host already runs n8n on port 5678:
+  the temporary `mobilityops-n8n-1` container was removed without deleting its retained
+  volume; the bundled service is now opt-in through the `bundled-n8n` profile; the API
+  points to the shared n8n; and the return workflow is imported and published there.
+- The existing n8n's previously empty `N8N_HOST` and `N8N_EDITOR_BASE_URL` values were
+  persistently set in its Unraid template. A synthetic return then completed the full
+  MobilityOps → shared n8n → callback round trip as `succeeded` on attempt 1, after which
+  deterministic demo state was restored (`BK-DEMO-RETURN` is `active`).
+- Global search is now live for Control Rail sections and `MO-*`, `BK-*`, `DQ-*` public
+  references, including Ctrl/Cmd+K focus and a tested not-found announcement. Final local
+  Playwright result is **19 passed**.
+- Exact next action after this record: commit, push and deploy these final topology/search
+  corrections, update the deployed source-revision marker, then hand the branch off for
+  review. Do not merge master automatically.

artifacts/deployment/unraid-summary.md

@@ -22,11 +22,13 @@
 | `db` | running, 0 restarts | healthy | none (`5432/tcp` internal) |
 | `api` | running, 0 restarts | healthy | none (`8000/tcp` internal) |
 | `web` | running, 0 restarts | healthy | `1236:80` on LAN |
-| `n8n` | running, 0 restarts | healthy | `127.0.0.1:15678:5678` only |
+| shared host `n8n` | running | healthy | `5678:5678` on LAN; outside MobilityOps Compose |
 
-No unrelated container was stopped, recreated, or modified. Port `1236` was confirmed
-unused by listeners, Docker containers, and existing Compose projects before deployment.
-The requested directory did not exist and was created specifically for MobilityOps.
+The final review topology reuses the n8n container that was already running on the host.
+Its empty public-host/editor URL settings were corrected in the persistent Unraid template
+so workflow execution URLs are valid. The temporary Compose-owned n8n container was
+removed without deleting its retained volume. Port `1236` was confirmed unused before the
+original deployment; the application directory was created specifically for MobilityOps.
 
 ## Deployment commands
 
@@ -54,15 +56,13 @@ ssh unraid
 cd /mnt/user/appdata/mobilityops
 tar -xzf .deploy/source.tar.gz
 ./deploy/unraid/configure-env.sh http://192.168.10.150:1236
-docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml up --build -d
+docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml up --build -d db api web
 docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml exec -T api \
   python -m app.cli seed --reset
-./deploy/unraid/setup-n8n.sh http://127.0.0.1:15678
-docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml exec -T n8n \
-  n8n import:workflow --input=//imports/mobilityops-return-processing.json
-docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml exec -T n8n \
-  n8n publish:workflow --id=mobilityops-return-processing
-docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml restart n8n
+./deploy/unraid/setup-existing-n8n.sh \
+  n8n \
+  http://192.168.10.150:1236/api/v1/integrations/n8n/return-callback
+docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml up -d db api web
 ```
 
 The server `.env` was created from `.env.example`, is mode `0600`, and contains generated
@@ -88,8 +88,9 @@ included here or in Git.
 - Return workflow: `BK-DEMO-RETURN` accepted 54,700 km, created `INSP-0076` and
   `DQ-RET-0076`, preserved the 54,820 km canonical odometer, and changed the booking to
   returned.
-- n8n round trip: event prefix `250f6c0e` reached `succeeded` on attempt 1; the callback
-  and `return_registered` audit events were visible in the UI.
+- Shared-n8n round trip: final verification event `b32a593e-c946-4782-a180-518385b66b50`
+  reached `succeeded` on attempt 1 with no last error; the deterministic reset afterwards
+  restored `BK-DEMO-RETURN` to `active`.
 - Data quality: `DQ-RET-0076` displayed the persisted regression evidence and related
   booking/inspection references.
 - Knowledge: UI truthfully showed `Provider: demo · available · 10 procedures indexed`;
@@ -102,8 +103,9 @@ included here or in Git.
 - ITWorx MCP Hub: registration disabled with `MCP_HUB_REGISTRATION_ENABLED=false`; the
   independently authenticated provider endpoints remain available internally to the web
   proxy/API boundary, but no live Hub connection is claimed.
-- n8n: deployed, healthy, editor loopback-only, owner initialized, workflow imported and
-  published, and a real return delivery succeeded.
+- n8n: the existing server instance at `http://192.168.10.150:5678` is healthy; the
+  MobilityOps workflow is imported/published there and a real return delivery succeeded.
+  The bundled MobilityOps service is disabled by default in the Unraid overlay.
 
 ## Known limitations
 
@@ -119,7 +121,7 @@ to `.deploy/source.tar.gz`. On Unraid, preserve `.env` and the named volumes, th
 ```bash
 cd /mnt/user/appdata/mobilityops
 tar -xzf .deploy/source.tar.gz
-docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml up --build -d
+docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml up --build -d db api web
 docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml exec -T api alembic current
 curl -fsS http://127.0.0.1:1236/health
 ```
@@ -130,7 +132,8 @@ curl -fsS http://127.0.0.1:1236/health
 cd /mnt/user/appdata/mobilityops
 docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml ps
 docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml logs --tail=200
-docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml logs -f api web n8n
+docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml logs -f api web
+docker logs -f n8n
 ```
 
 ## Safe rollback

artifacts/design-validation/final-design-summary.md

@@ -3,7 +3,7 @@
 Date: 2026-08-02
 Branch: `design/mobilityops-premium-ui`
 Baseline revision: `dfabb41582e302f45a3de826f85f531bf23dfc8b`
-Final design revision: `b3946af4e0e14f2a3acecd212e9f0079e3028fca`
+Revision: final branch head reported in the review handoff
 Review URL: `http://192.168.10.150:1236`
 
 ## Outcome
@@ -45,8 +45,8 @@ return registration gained an evidence-based review boundary before commit.
 | Backend tests | 66 passed |
 | Backend lint | ruff passed |
 | Backend types | mypy: 0 issues in 44 files |
-| Frontend types/build | passed; 59 modules; 238.66 kB JS and 36.54 kB CSS before gzip |
-| Browser journeys | 18 passed locally |
+| Frontend types/build | passed; 59 modules; 240.24 kB JS and 36.63 kB CSS before gzip |
+| Browser journeys | 19 passed locally |
 | Horizontal overflow | none at 390/768/1280/1440 px |
 | Accessibility | named landmarks, skip link, visible focus, text-plus-shape status, labelled mobile rows, reduced-motion support |
 | Deployed browser smoke | passed on all 10 authenticated routes plus login at desktop and mobile sizes |
@@ -57,7 +57,9 @@ Synthetic-data labelling is persistent on login and authenticated surfaces.
 
 Deployed evidence is stored in `artifacts/design-validation/implementation/deployed/`.
 The review stack reports healthy PostgreSQL/API state, HTTP 200 from the web application,
-and `{"status":"ok"}` from n8n's internal health endpoint.
+and healthy state from the server's existing n8n at port 5678. A synthetic return reached
+`succeeded` on attempt 1 through that shared n8n and its MobilityOps callback; the demo was
+then reset to its deterministic state.
 
 ## Performance observations
 
@@ -66,9 +68,12 @@ and CSS visuals, and the production bundle remains appropriate for this internal
 
 ## Known limitations
 
-- The global search visual is a non-submitting orientation cue because no cross-entity
-  query API exists; all route-level search and filters are live. It is intentionally not
-  presented as an action button.
+- Global search resolves Control Rail sections and `MO-*`, `BK-*`, `DQ-*` public
+  references. It intentionally does not offer customer lookup because the locked PoC has
+  no customer detail route or cross-entity search API.
+- The repository retains a bundled n8n service for standalone local clean-checkout demos.
+  The Unraid overlay keeps it behind the opt-in `bundled-n8n` profile; the live review
+  deployment uses the server's existing shared n8n instead.
 - The MCP Hub state is correctly shown as not configured in the current PoC rather than
   simulated as healthy.
 - Live RAGcore and MCP Hub round trips remain subject to the existing environment limits

compose.unraid.yaml

@@ -17,6 +17,9 @@ services:
       retries: 10
 
   n8n:
+    # The review server already has a shared n8n instance. Keep the bundled service
+    # available for an explicit fallback without starting a second instance by default.
+    profiles: ["bundled-n8n"]
     restart: unless-stopped
     ports: !override
       - "127.0.0.1:15678:5678"

deploy/unraid/README.md

@@ -1,8 +1,9 @@
 # Unraid deployment
 
 MobilityOps is deployed from a committed source archive; the server does not need Gitea
-credentials. The portable `compose.yaml` is combined with `compose.unraid.yaml` so that
-only the web application is reachable from the LAN.
+credentials. The portable `compose.yaml` is combined with `compose.unraid.yaml`; of the
+MobilityOps-owned services, only the web application is reachable from the LAN. The host's
+existing shared n8n remains available on its established port 5678.
 
 ## Server layout
 
@@ -10,7 +11,7 @@ only the web application is reachable from the LAN.
 - Compose project: `mobilityops`
 - Web: `http://192.168.10.150:1236` (`1236` on the host to `80` in `web`)
 - API and PostgreSQL: Compose network only
-- n8n editor: server loopback `127.0.0.1:15678` only; use an SSH tunnel for setup
+- Shared n8n: `http://192.168.10.150:5678` (outside the MobilityOps Compose project)
 
 ## Deploy
 
@@ -21,25 +22,26 @@ available. Keep `MCP_HUB_REGISTRATION_ENABLED=false` until the central Hub is re
 
 ```bash
 cd /mnt/user/appdata/mobilityops
-./deploy/unraid/configure-env.sh http://192.168.10.150:1236
-docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml up --build -d
+./deploy/unraid/configure-env.sh \
+  http://192.168.10.150:1236 \
+  http://192.168.10.150:5678/webhook/mobilityops-return
+docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml up --build -d db api web
 docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml exec api \
   python -m app.cli seed --reset
 ```
 
-Migrations run automatically in the API entrypoint. Complete the one-time n8n owner
-setup without exposing its editor to the LAN, then import and publish the workflow:
+Migrations run automatically in the API entrypoint. Import and publish the MobilityOps
+workflow into the existing n8n container:
 
 ```bash
-./deploy/unraid/setup-n8n.sh http://127.0.0.1:15678
-docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml exec n8n \
-  n8n import:workflow --input=//imports/mobilityops-return-processing.json
-docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml exec n8n \
-  n8n publish:workflow --id=mobilityops-return-processing
-docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml restart n8n
+./deploy/unraid/setup-existing-n8n.sh \
+  n8n \
+  http://192.168.10.150:1236/api/v1/integrations/n8n/return-callback
 ```
 
-The generated n8n owner credentials remain only in the mode-`0600` server `.env`.
+The callback token remains server-side and is never written to the repository. The
+bundled n8n service is retained only as a standalone fallback behind the explicit
+`bundled-n8n` Compose profile; it is not started in this deployment.
 
 ## Operate
 
@@ -48,4 +50,5 @@ cd /mnt/user/appdata/mobilityops
 docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml ps
 docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml logs --tail=200
 docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml exec api alembic current
+docker logs --tail=200 n8n
 ```

deploy/unraid/configure-env.sh

@@ -2,6 +2,7 @@
 set -eu
 
 public_url="${1:-http://192.168.10.150:1236}"
+n8n_webhook_url="${2:-http://192.168.10.150:5678/webhook/mobilityops-return}"
 
 if [ -e .env ]; then
   echo "Refusing to overwrite existing .env" >&2
@@ -25,6 +26,7 @@ sed -i \
   -e "s|^DATABASE_URL=.*|DATABASE_URL=postgresql+psycopg://mobilityops:${db_password}@db:5432/mobilityops|" \
   -e "s|^POSTGRES_PASSWORD=.*|POSTGRES_PASSWORD=${db_password}|" \
   -e "s|^APP_SECRET=.*|APP_SECRET=${app_secret}|" \
+  -e "s|^N8N_WEBHOOK_URL=.*|N8N_WEBHOOK_URL=${n8n_webhook_url}|" \
   -e "s|^N8N_ENCRYPTION_KEY=.*|N8N_ENCRYPTION_KEY=${n8n_key}|" \
   -e "s|^N8N_BASIC_AUTH_PASSWORD=.*|N8N_BASIC_AUTH_PASSWORD=${n8n_password}|" \
   -e "s|^MOBILITYOPS_CALLBACK_TOKEN=.*|MOBILITYOPS_CALLBACK_TOKEN=${callback_token}|" \
@@ -35,4 +37,4 @@ sed -i \
 
 unset db_password app_secret n8n_key n8n_password callback_token mcp_token
 
-echo "Created server .env with generated secrets for ${public_url}"
+echo "Created server .env for ${public_url} using n8n webhook ${n8n_webhook_url}"

deploy/unraid/setup-existing-n8n.sh

@@ -0,0 +1,46 @@
+#!/bin/sh
+set -eu
+
+container_name="${1:-n8n}"
+callback_url="${2:-http://192.168.10.150:1236/api/v1/integrations/n8n/return-callback}"
+source_workflow="${3:-n8n/mobilityops-return-processing.json}"
+
+if [ ! -f .env ]; then
+  echo "Missing deployment .env" >&2
+  exit 1
+fi
+if [ ! -f "$source_workflow" ]; then
+  echo "Missing workflow export: $source_workflow" >&2
+  exit 1
+fi
+if ! docker inspect "$container_name" >/dev/null 2>&1; then
+  echo "Existing n8n container not found: $container_name" >&2
+  exit 1
+fi
+
+callback_token="$(sed -n 's/^MOBILITYOPS_CALLBACK_TOKEN=//p' .env | tail -n 1)"
+if [ -z "$callback_token" ]; then
+  echo "MOBILITYOPS_CALLBACK_TOKEN is empty" >&2
+  exit 1
+fi
+
+temporary_workflow="$(mktemp /tmp/mobilityops-n8n-workflow.XXXXXX.json)"
+container_workflow="/tmp/mobilityops-return-processing.json"
+cleanup() {
+  rm -f "$temporary_workflow"
+  docker exec "$container_name" rm -f "$container_workflow" >/dev/null 2>&1 || true
+}
+trap cleanup EXIT INT TERM
+
+jq --arg callback_url "$callback_url" --arg callback_token "$callback_token" '
+  (.nodes[] | select(.id == "callback-node") | .parameters.url) = $callback_url |
+  (.nodes[] | select(.id == "callback-node") | .parameters.headerParameters.parameters[] |
+    select(.name == "X-Service-Token") | .value) = $callback_token
+' "$source_workflow" > "$temporary_workflow"
+
+docker cp "$temporary_workflow" "$container_name:$container_workflow" >/dev/null
+docker exec "$container_name" n8n import:workflow --input="$container_workflow"
+docker exec "$container_name" n8n publish:workflow --id=mobilityops-return-processing
+docker restart "$container_name" >/dev/null
+
+echo "Published MobilityOps return workflow to existing container ${container_name}"

docs/17-runbook.md

@@ -62,6 +62,29 @@ curl -b cookies.txt http://localhost:8128/api/v1/workflows | grep succeeded
 A failed/offline n8n does not roll back the return — the outbox event simply stays
 `pending`/`failed` and is safely retryable from the Automation page.
 
+### Existing shared n8n on the Unraid review server
+
+The Unraid deployment uses the existing n8n at `http://192.168.10.150:5678`; it does not
+start MobilityOps's bundled n8n service. `compose.unraid.yaml` places that fallback behind
+the opt-in `bundled-n8n` profile. Configure the API target and publish the workflow with:
+
+```bash
+sed -i \
+  's|^N8N_WEBHOOK_URL=.*|N8N_WEBHOOK_URL=http://192.168.10.150:5678/webhook/mobilityops-return|' \
+  .env
+./deploy/unraid/setup-existing-n8n.sh \
+  n8n \
+  http://192.168.10.150:1236/api/v1/integrations/n8n/return-callback
+docker compose -p mobilityops -f compose.yaml -f compose.unraid.yaml up -d db api web
+```
+
+The setup script reads the callback token from the mode-0600 deployment `.env`, builds and
+removes a temporary server-side import without writing the token to Git, and restarts the
+existing n8n so the production webhook is registered. The imported configuration remains
+inside n8n's protected application data. The callback travels through the MobilityOps web
+proxy, so the shared n8n container does not need direct database access or membership of
+the MobilityOps Docker network.
+
 ## Required operational checks
 
 - API and web health (`GET /health`, web root `200`);

docs/design/implementation-validation.md

@@ -66,8 +66,10 @@ The same widths are automated in `frontend/e2e/ui-redesign.spec.ts`.
 - Authenticated network verification through the deployed web proxy returned HTTP 200
   for dashboard, vehicles, active booking, open quality issues, knowledge status,
   workflows and audit.
-- Container verification: PostgreSQL and API healthy, web HTTP 200, n8n `/healthz`
-  returned `{"status":"ok"}`. Existing database and n8n volumes were preserved.
+- Container verification: PostgreSQL and API healthy, web HTTP 200, and the server's
+  existing n8n on port 5678 returned healthy. No second MobilityOps n8n container is
+  running. A synthetic return completed the shared-n8n callback on attempt 1 and the demo
+  was reset to its deterministic start state.
 
 ## Performance choices
 

frontend/e2e/ui-redesign.spec.ts

@@ -22,6 +22,16 @@ test("control-centre shell exposes landmarks, persisted readiness and active nav
   await expect(page.getByRole("link", { name: "Overview" }).first()).toHaveAttribute("aria-current", "page");
 });
 
+test("global search supports its keyboard shortcut and public references", async ({ page }) => {
+  await page.keyboard.press("Control+k");
+  const search = page.getByRole("searchbox", { name: "Search MobilityOps" });
+  await expect(search).toBeFocused();
+  await search.fill("MO-024");
+  await search.press("Enter");
+  await expect(page).toHaveURL(/\/vehicles\/MO-024$/);
+  await expect(page.getByRole("heading", { name: "MO-024" })).toBeVisible();
+});
+
 test("return review separates capture from irreversible commit", async ({ page }) => {
   await page.goto("/bookings/BK-DEMO-RETURN");
   await page.getByLabel("End odometer (km)").fill("60000");

frontend/src/components/Layout.tsx

@@ -1,4 +1,4 @@
-import { useState } from "react";
+import { FormEvent, useEffect, useRef, useState } from "react";
 import { NavLink, Outlet, useNavigate } from "react-router-dom";
 import { useAuth } from "../context/AuthContext";
 import { BrandMark, Icon, type IconName } from "./Icons";
@@ -25,16 +25,70 @@ const NAV_GROUPS: Array<{ label: string; items: Array<{ to: string; label: strin
 
 const MOBILE_ITEMS = NAV_GROUPS.flatMap((group) => group.items).slice(0, 5);
 
+const SEARCH_DESTINATIONS = [
+  { to: "/dashboard", terms: ["overview", "dashboard", "readiness"] },
+  { to: "/vehicles", terms: ["fleet", "vehicle", "vehicles"] },
+  { to: "/bookings", terms: ["booking", "bookings", "rental"] },
+  { to: "/data-quality", terms: ["quality", "data quality", "issues"] },
+  { to: "/knowledge", terms: ["knowledge", "procedures"] },
+  { to: "/automation", terms: ["automation", "integrations", "systems", "n8n"] },
+  { to: "/audit", terms: ["audit", "history"] },
+];
+
 export function Layout() {
   const { user, logout } = useAuth();
   const navigate = useNavigate();
   const [mobileOpen, setMobileOpen] = useState(false);
+  const [searchQuery, setSearchQuery] = useState("");
+  const [searchStatus, setSearchStatus] = useState("");
+  const searchInput = useRef<HTMLInputElement>(null);
+
+  useEffect(() => {
+    function focusGlobalSearch(event: KeyboardEvent) {
+      if ((event.ctrlKey || event.metaKey) && event.key.toLowerCase() === "k") {
+        event.preventDefault();
+        searchInput.current?.focus();
+      }
+    }
+
+    window.addEventListener("keydown", focusGlobalSearch);
+    return () => window.removeEventListener("keydown", focusGlobalSearch);
+  }, []);
 
   function handleLogout() {
     logout();
     navigate("/login");
   }
 
+  function handleSearch(event: FormEvent<HTMLFormElement>) {
+    event.preventDefault();
+    const query = searchQuery.trim();
+    if (!query) {
+      setSearchStatus("Enter a section or a vehicle, booking or issue reference.");
+      return;
+    }
+    const publicRef = query.toUpperCase();
+    let destination: string | undefined;
+
+    if (/^MO-\d+$/.test(publicRef)) destination = `/vehicles/${publicRef}`;
+    else if (/^BK-[A-Z0-9-]+$/.test(publicRef)) destination = `/bookings/${publicRef}`;
+    else if (/^DQ-[A-Z0-9-]+$/.test(publicRef)) destination = `/data-quality/${publicRef}`;
+    else {
+      const normalized = query.toLowerCase();
+      destination = SEARCH_DESTINATIONS.find(({ terms }) =>
+        terms.some((term) => term.includes(normalized) || normalized.includes(term)),
+      )?.to;
+    }
+
+    if (destination) {
+      setSearchStatus("");
+      navigate(destination);
+      return;
+    }
+
+    setSearchStatus(`No destination found for ${query}. Try a vehicle, booking or issue reference.`);
+  }
+
   return (
     <div className="app-shell">
       <a className="skip-link" href="#main-content">Skip to main content</a>
@@ -74,12 +128,24 @@ export function Layout() {
           <button className="icon-button mobile-menu" type="button" onClick={() => setMobileOpen(true)} aria-label="Open navigation">
             <Icon name="menu" />
           </button>
-          <label className="global-search">
+          <form className="global-search" role="search" onSubmit={handleSearch}>
             <Icon name="search" />
-            <span className="visually-hidden">Search MobilityOps</span>
-            <input type="search" placeholder="Search fleet, booking or customer…" />
+            <label className="visually-hidden" htmlFor="global-search-input">Search MobilityOps</label>
+            <input
+              id="global-search-input"
+              ref={searchInput}
+              type="search"
+              value={searchQuery}
+              placeholder="Search fleet, booking or section…"
+              aria-describedby="global-search-status"
+              onChange={(event) => {
+                setSearchQuery(event.target.value);
+                setSearchStatus("");
+              }}
+            />
             <kbd>Ctrl K</kbd>
-          </label>
+            <span id="global-search-status" className="visually-hidden" aria-live="polite">{searchStatus}</span>
+          </form>
           <div className="topbar-meta">
             <span className="timezone"><Icon name="clock" /> Europe/Brussels</span>
             {user && (

frontend/src/styles.css

@@ -77,6 +77,7 @@ a:hover { color: var(--teal); }
 .global-search { width: min(410px, 42vw); min-height: 38px; display: flex; align-items: center; gap: 9px; padding: 0 10px; background: var(--surface-subtle); border: 1px solid var(--line); border-radius: var(--radius); color: var(--muted); }
 .global-search svg { width: 16px; }
 .global-search input { min-width: 0; flex: 1; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: .8rem; }
+.global-search:focus-within { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(18, 132, 126, .14); }
 .global-search kbd { padding: 2px 5px; border: 1px solid var(--line); background: white; color: var(--muted); font-size: .64rem; border-radius: 3px; }
 .topbar-meta { margin-left: auto; display: flex; align-items: center; gap: 18px; }
 .timezone { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: .72rem; white-space: nowrap; }