fix: add missing random import and ensure cleanup on thread crash

main.py

@@ -62,6 +62,7 @@ def run_ticker_lifecycle(client, yf_ticker, t212_ticker, tz):
     
     logger.info(f"Bot thread started for {yf_ticker} ({t212_ticker}).")
     
+    try:
         now = datetime.now(tz)
         target_entry_time = now.replace(hour=9, minute=45, second=0, microsecond=0)
         
@@ -142,10 +143,14 @@ def run_ticker_lifecycle(client, yf_ticker, t212_ticker, tz):
             logger.info(f"Waiting {wait_seconds:.0f} seconds until 11:00 EST forced exit...")
             time.sleep(wait_seconds)
 
+    except Exception as e:
+        logger.error(f"Unexpected error in {yf_ticker} lifecycle: {e}", exc_info=True)
+    finally:
         # 3. 11:00 EST - Cleanup (with jitter to prevent 429s)
+        # We put this in finally to ensure it runs even on crash
         time.sleep(random.uniform(0.1, 5.0))
         
-    logger.info(f"Time exit reached for {yf_ticker}. Cleaning up.")
+        logger.info(f"Cleanup phase reached for {yf_ticker}.")
         if execution.is_in_position:
             exit_price = execution.close_all(t212_ticker)
             if hasattr(execution, 'params') and exit_price > 0:
@@ -154,7 +159,7 @@ def run_ticker_lifecycle(client, yf_ticker, t212_ticker, tz):
                 trading_ticker = execution.params.get('trading_ticker', yf_ticker)
                 
                 pnl_r = calculate_r_multiple("BUY" if execution.is_etp else execution.params['direction'], final_entry, exit_price, final_sl)
-            record_pnl(yf_ticker, execution.params['direction'], final_entry, exit_price, "11:00 Time Exit", pnl_r, trading_ticker=trading_ticker)
+                record_pnl(yf_ticker, execution.params['direction'], final_entry, exit_price, "Forced Exit (Final)", pnl_r, trading_ticker=trading_ticker)
         else:
             execution.close_all(t212_ticker)
 

src/execution/manager.py

@@ -1,6 +1,7 @@
 import time
 import logging
 import os
+import random
 from typing import Dict, Any, Optional
 from src.api.client import Trading212Client
 from src.strategy.inverse_mapping import INVERSE_TICKER_MAP, LEVERAGE_MAP