alex 635e0df0ab fix(chat): stop 429 retry spiral and add get_weather coord fallback ...

- search_places: detect HTTP 429 and mark retryable=False to stop the
  retry loop immediately instead of spiraling until MAX_ITERATIONS
- get_weather: extract collection coordinates (lat/lng from first
  location with coords) and retry when LLM omits required params;
  uses sync_to_async for the DB query in the async view
- AITravelChat: deduplicate context-only tools (get_trip_details,
  get_weather) in the render pipeline to prevent duplicate place cards
  from appearing when the retry loop causes multiple get_trip_details calls
- Tests: 5 new tests covering 429 non-retryable path and weather
  coord fallback; all 39 chat tests pass

2026-03-10 19:18:55 +00:00

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