Send WeChat alerts on OKX options open and close.

Cover manual, target, and exchange/expiry sync with idempotent sent flags.

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

lib/options/options_db.py

@@ -95,6 +95,14 @@ def init_options_tables(conn: sqlite3.Connection) -> None:
         ON options_target_monitors(status)
         """
     )
+    for ddl in (
+        "ALTER TABLE options_trades ADD COLUMN wechat_open_sent INTEGER DEFAULT 0",
+        "ALTER TABLE options_trades ADD COLUMN wechat_close_sent INTEGER DEFAULT 0",
+    ):
+        try:
+            conn.execute(ddl)
+        except Exception:
+            pass
     init_options_review_tables(conn)