Ensure all PG tables on init; fix migration commits per table.

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

app.py

@@ -301,6 +301,12 @@ def get_stats_data() -> dict:
 
 
 def init_db():
+    import strategy.strategy_db as strategy_db
+    import risk.account_risk_lib as account_risk_lib
+
+    strategy_db._TABLES_READY = False
+    account_risk_lib._SCHEMA_READY = False
+
     conn = get_db()
     c = conn.cursor()
     c.execute("CREATE TABLE IF NOT EXISTS settings (key TEXT PRIMARY KEY, value TEXT)")
@@ -441,6 +447,9 @@ def init_db():
     from recommend_store import ensure_recommend_tables
     ensure_account_risk_schema(conn)
     ensure_recommend_tables(conn)
+    from ai_messages import ensure_ai_messages_table
+
+    ensure_ai_messages_table(conn)
     conn.commit()
     conn.close()