fix: bootstrap daily recommendation snapshots

platform/backend/app/main.py

@@ -25,6 +25,7 @@ from .analytics.daily_card_generator import (
   recalibrate_daily_card_confidence_payload,
   update_runtime_market_calibration,
 )
+from .analytics.worldcup_seed import seed_venues
 from .analytics.localization import (
   localize_city,
   localize_country,
@@ -3670,6 +3671,8 @@ async def relay_redis_events() -> None:
 
 @app.on_event('startup')
 async def on_startup() -> None:
+  seed_summary = await seed_venues()
+  logger.info('World Cup seed/schema bootstrap completed: %s', seed_summary)
   app.state.redis_listener = asyncio.create_task(relay_redis_events())