Enhance money history tracking: Implement best-effort creation of money_history table in BaseWorker, EventsWorker, and UndergroundWorker to ensure logging of monetary changes without operation failure.

src/worker/events.rs

@@ -1013,6 +1013,17 @@ impl EventsWorker {
         let money_str = format!("{:.2}", change);
         fn escape_sql_literal(s: &str) -> String { s.replace('\'', "''") }
         let escaped_action = escape_sql_literal(&action);
+        let create_sql = r#"
+            CREATE TABLE IF NOT EXISTS falukant_log.money_history (
+                id BIGSERIAL PRIMARY KEY,
+                user_id INTEGER NOT NULL,
+                change NUMERIC(10,2) NOT NULL,
+                action TEXT,
+                created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+            );
+        "#;
+        let _ = conn.query(create_sql);
+
         let history_sql = format!(
             "INSERT INTO falukant_log.money_history (user_id, change, action, created_at) VALUES ({uid}, {money}::numeric, '{act}', NOW());",
             uid = user_id,