feat(dashboard_api): CRQ tab routes (crq-dashboard/search/filter-options)

Parallel to the INC routes, three new endpoints back the FleetOps Tickets tab's CRQ
sub-tab: GET /webhook/crq-dashboard, /webhook/crq-search, /webhook/crq-filter-options
— thin passthroughs over reporting.fn_crq_* (fleettickets migration 16, over
tickets.crq). The INC routes are unchanged. Header route list updated.

Not yet redeployed to the staging/prod bridges (pending go-ahead).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

dashboard_api_rev.py

@@ -27,6 +27,12 @@ is the base URL (the `N8N_BASE` constant in each dashboard SPA):
        → trips payload           (reporting.fn_trips_for_map)
   GET  /webhook/tickets?service_type=&status=&open_only=
        → { summary, geojson }   (reporting.fn_tickets_for_map) — INC/CRQ map layer
+  GET  /webhook/{inc,crq}-dashboard?cluster=&status=&window=&from=&to=
+       → { window, open, closed, metrics, freshness }  (reporting.fn_{inc,crq}_dashboard)
+  GET  /webhook/{inc,crq}-search?ticket_id=&owner=&cluster=&status=&state=&from=&to=
+       → { count, truncated, limit, state, rows }      (reporting.fn_{inc,crq}_search)
+  GET  /webhook/{inc,crq}-filter-options
+       → { owners, clusters, open_ticket_ids }         (reporting.fn_{inc,crq}_filter_options)
   GET  /health
 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 """
@@ -439,6 +445,124 @@ def inc_filter_options():
         return JSONResponse({"owners": [], "clusters": [], "open_ticket_ids": []})
 
 
+# ── CRQ operations dashboard (new-installation tickets) ───────────────────────
+# CRQ mirrors INC: identical payload shape, served by reporting.fn_crq_dashboard /
+# fn_crq_search / fn_crq_filter_options over tickets.crq (fleettickets migration 16).
+# Powers the FleetOps Tickets tab's CRQ sub-tab. The INC routes above are unchanged;
+# these are parallel so the two datasets stay independently observable.
+@app.get("/webhook/crq-dashboard")
+def crq_dashboard(
+    cluster: str | None = None,   # exact tickets.crq.cluster (UPPERCASE), blank = all
+    status: str | None = None,    # exact normalized_status, blank = all
+    window: str = "today",        # today | week | month | custom (calendar EAT)
+    from_: str | None = Query(None, alias="from"),  # custom start (inclusive), ISO-8601
+    to: str | None = None,                          # custom end (exclusive), ISO-8601
+):
+    if window not in _INC_WINDOWS:
+        return _bad_request("window must be one of today|week|month|custom")
+    f, t = _clean(from_), _clean(to)
+    if window == "custom" and not f and not t:
+        return _bad_request("custom window requires from and/or to")
+
+    def _parse(v):
+        if not v:
+            return None
+        try:
+            return datetime.fromisoformat(v)
+        except ValueError:
+            return False
+
+    pf, pt = _parse(f), _parse(t)
+    if pf is False or pt is False:
+        return _bad_request("from/to must be ISO-8601 timestamps with an offset/Z")
+    if pf and pt and pf >= pt:
+        return _bad_request("from must be earlier than to")
+
+    try:
+        with get_conn() as conn:
+            with conn.cursor() as cur:
+                cur.execute(
+                    "SELECT reporting.fn_crq_dashboard(%s, %s, %s, %s, %s)",
+                    (_clean(cluster), _clean(status), window, f, t),
+                )
+                payload = cur.fetchone()[0] or {}
+        return JSONResponse(payload)  # jsonb body returned unchanged
+    except Exception:
+        log.exception("crq-dashboard failed")
+        return JSONResponse(
+            {
+                "error": {
+                    "type": "unknown",
+                    "message": "CRQ dashboard is unavailable. Try again in a few seconds.",
+                }
+            }
+        )
+
+
+@app.get("/webhook/crq-search")
+def crq_search(
+    ticket_id: str | None = None,   # substring match on ticket_id
+    owner: str | None = None,       # engineer — case-insensitive substring on owner
+    cluster: str | None = None,     # exact tickets.crq.cluster
+    status: str | None = None,      # exact normalized_status
+    state: str = "closed",          # closed | open | all
+    from_: str | None = Query(None, alias="from"),  # closed-at range start (ISO-8601)
+    to: str | None = None,                          # closed-at range end (exclusive, ISO-8601)
+):
+    state = (state or "closed").lower()
+    if state not in _INC_STATES:
+        return _bad_request("state must be one of open|closed|all")
+    f, t = _clean(from_), _clean(to)
+
+    def _parse(v):
+        if not v:
+            return None
+        try:
+            return datetime.fromisoformat(v)
+        except ValueError:
+            return False
+
+    pf, pt = _parse(f), _parse(t)
+    if pf is False or pt is False:
+        return _bad_request("from/to must be ISO-8601 timestamps with an offset/Z")
+    if pf and pt and pf >= pt:
+        return _bad_request("from must be earlier than to")
+
+    try:
+        with get_conn() as conn:
+            with conn.cursor() as cur:
+                cur.execute(
+                    "SELECT reporting.fn_crq_search(%s, %s, %s, %s, %s, %s, %s)",
+                    (_clean(ticket_id), _clean(owner), _clean(cluster), _clean(status), state, f, t),
+                )
+                payload = cur.fetchone()[0] or {}
+        return JSONResponse(payload)  # jsonb body returned unchanged
+    except Exception:
+        log.exception("crq-search failed")
+        return JSONResponse(
+            {
+                "error": {
+                    "type": "unknown",
+                    "message": "Ticket search is unavailable. Try again in a few seconds.",
+                }
+            }
+        )
+
+
+@app.get("/webhook/crq-filter-options")
+def crq_filter_options():
+    # Dropdown options for the CRQ ticket explorer (engineers, clusters, open ticket ids).
+    try:
+        with get_conn() as conn:
+            with conn.cursor() as cur:
+                cur.execute("SELECT reporting.fn_crq_filter_options()")
+                payload = cur.fetchone()[0] or {}
+        return JSONResponse(payload)
+    except Exception:
+        log.exception("crq-filter-options failed")
+        return JSONResponse({"owners": [], "clusters": [], "open_ticket_ids": []})
+
+
 # ── Fleet trips (#002) ───────────────────────────────────────────────────────
 
 _FILTER_OPTIONS_SQL = """