Fix stale hardcoded schedule references in run_breakout_check

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

apps/orb_trader/engine.py

@@ -5,7 +5,7 @@ The scheduler calls phase methods in order:
   1. run_pre_screen()    — 09:20 ET (daily bars + enrichment + quality filter)
   2. run_orb_detection() — 09:40 ET (intraday bars → candidates)
      └─ run_pre_screen 미실행 시 full fallback (daily bars도 자체 fetch)
-  3. run_breakout_check() — 09:45...10:15 ET (called 7 times, every 5 min)
+  3. run_breakout_check() — every sim_bar_minutes from orb_end until order_timeout
   4. run_stop_check()   — every sim_bar_minutes from orb_end until 15:55 ET
   5. run_eod_exit()     — 15:55 ET
   6. run_post_close()   — 16:00 ET
@@ -463,7 +463,7 @@ class ORBTradingEngine:
     def run_breakout_check(self, date_str: str) -> dict[str, Any]:
         """Check for breakouts and place orders for unfilled candidates.
 
-        Called every 5 minutes from 9:45 to 10:15 ET (7 checks total).
+        Called every sim_bar_minutes from orb_end until order_timeout elapses.
         """
         self._date_str = date_str