feat(notify): checkpoint alerts for first match, trade, resolution and exposure cap

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

bot/main.py

@@ -16,6 +16,7 @@ from bot.risk.manager import RiskManager
 from bot.executor.paper import PaperExecutor
 from bot.metrics.tracker import MetricsTracker
 from bot.data.db import Database
+from bot.notify.checkpoints import CheckpointMonitor
 
 logging.basicConfig(
     level=logging.INFO,
@@ -38,6 +39,7 @@ async def run_trading_loop(
 ) -> None:
     """Main trading loop — runs every 60 seconds."""
     log.info("Trading loop started. PAPER_MODE=%s", PAPER_MODE)
+    checkpoint_monitor = CheckpointMonitor()
 
     while True:
         try:
@@ -201,6 +203,17 @@ async def run_trading_loop(
             # 9. Update daily metrics
             await metrics.update_daily_summary()
 
+            # 10. Checkpoint alerts — one-shot / rate-limited Telegram notifications
+            current_portfolio = executor.get_portfolio()
+            try:
+                await checkpoint_monitor.check_all(
+                    db,
+                    exposure_pct=current_portfolio.exposure_pct,
+                    exposure_cap_pct=risk.max_exposure_pct,
+                )
+            except Exception as exc:
+                log.warning("checkpoint_monitor.check_all failed: %s", exc)
+
         except Exception as e:
             log.error("Error in trading loop: %s", e, exc_info=True)