Remove watchdog and tqdm dependencies, replace with logging

- Remove watchdog (unused) and tqdm from pyproject.toml dependencies
- Replace tqdm.gather() with asyncio.gather() + logger.info() in
  image_fetcher, floorplan_detector, and route_calculator services
- Replace tqdm progress bar with logger.info() in listing_repository
- Remove tqdm from mypy ignore_missing_imports overrides

services/route_calculator.py

@@ -1,10 +1,13 @@
 """Route calculator service - calculates transit routes using Google Maps API."""
+import asyncio
+import logging
 from models.listing import DestinationMode, Route, RouteLegStep
 from repositories.listing_repository import ListingRepository
-from tqdm.asyncio import tqdm
 from rec import routing
 from models import Listing
 
+logger = logging.getLogger(__name__)
+
 
 def _parse_duration(duration_str: str) -> int:
     """Parse a duration string like '123s' to integer seconds."""
@@ -24,11 +27,11 @@ async def calculate_route(
         listings = listings[:limit]
 
     destination_mode = DestinationMode(destination_address, travel_mode)
-    updated_listings = await tqdm.gather(
+    logger.info("Calculating routes for %d listings", len(listings))
+    updated_listings = await asyncio.gather(
         *[update_routing_info(listing, destination_mode) for listing in listings],
-        total=len(listings),
-        desc="Updating routing info",
     )
+    logger.info("Finished route calculation for %d listings", len(listings))
     await repository.upsert_listings(
         [listing for listing in updated_listings if listing is not None]
     )