fix: show box/convergence breakout labels in key level trade records

Persist 箱体突破/收敛突破 as key_signal_type and backfill historical records on startup.

Co-authored-by: Cursor <cursoragent@cursor.com>

crypto_monitor_okx/app.py

@@ -43,6 +43,7 @@ from ai_review_lib import (
 from form_submit_lib import check_duplicate_submit, submit_scope_add_key, submit_scope_add_order
 from fib_key_monitor_lib import (
     FIB_KEY_MONITOR_TYPES,
+    backfill_missing_key_signal_types,
     calc_fib_plan,
     entry_reason_from_key_signal,
     fib_invalidate_by_mark,
@@ -1440,6 +1441,7 @@ def init_db():
     from strategy_db import init_strategy_tables
 
     init_strategy_tables(conn)
+    backfill_missing_key_signal_types(conn, monitor_type=ORDER_MONITOR_TYPE_KEY_AUTO)
     conn.commit()
     conn.close()