Fix: agent call signatures

backend/orchestrator.py

@@ -200,8 +200,11 @@ async def run_trip_search(
             message="Checking companion certificate availability...",
             progress=10,
         )
+        def delta_progress(msg: str) -> None:
+            _emit(progress_callback, step="delta", message=msg, progress=20)
+
         flights: list[FlightOption] = await search_companion_cert(
-            request, browser
+            request, browser, delta_progress
         )
 
         # --- Step 2: IHG points availability ---
@@ -213,8 +216,13 @@ async def run_trip_search(
         )
         destinations = _extract_destinations(flights)
         date_pairs = _extract_date_pairs(flights)
+
+        def ihg_progress(msg: str) -> None:
+            _emit(progress_callback, step="ihg", message=msg, progress=55)
+
         hotels: list[HotelOption] = await search_points_availability(
-            destinations, date_pairs, browser
+            destinations, date_pairs, browser,
+            request.ihg_brands, request.trip_duration_nights, ihg_progress
         )
 
         # --- Step 3: Resy dining options ---
@@ -225,8 +233,12 @@ async def run_trip_search(
             progress=70,
         )
         cities, arrival_dates = _extract_cities_and_arrival_dates(flights)
+
+        def resy_progress(msg: str) -> None:
+            _emit(progress_callback, step="resy", message=msg, progress=80)
+
         restaurants: list[RestaurantOption] = await find_resy_restaurants(
-            cities, arrival_dates, request.party_size, browser
+            cities, arrival_dates, request.party_size, browser, resy_progress
         )
 
     # BrowserSession closed — merge results in memory.