feat: add daily budget, active window, trade snapshots, and price impact monitor

- New migrations for daily_budget, active_window, and bottrade snapshot
- Add trumpstruth scraper and price_impact_monitor service
- Expand bot_engine, hyperliquid, recovery, and tp_sl_monitor logic
- Update API/schemas/models for new features

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

app/services/tp_sl_monitor.py

@@ -33,6 +33,9 @@ class WatchedTrade:
 # trade_id -> WatchedTrade
 _watched: Dict[int, WatchedTrade] = {}
 
+# Strong references to fire-close tasks to prevent GC before completion
+_background_tasks: set = set()
+
 
 def register_trade(
     trade_id: int,
@@ -79,7 +82,9 @@ def on_price_tick(asset: str, price: float) -> None:
 
     for wt, reason in triggered:
         unregister(wt.trade_id)
-        asyncio.create_task(_fire_close(wt, reason))
+        task = asyncio.create_task(_fire_close(wt, reason))
+        _background_tasks.add(task)
+        task.add_done_callback(_background_tasks.discard)
 
 
 async def _fire_close(wt: WatchedTrade, reason: str) -> None: