Enhance money history logging: Implement best-effort insert into money_history for UI visibility across BaseWorker, EventsWorker, and UndergroundWorker, improving tracking of monetary changes.

src/worker/events.rs

@@ -1009,6 +1009,23 @@ impl EventsWorker {
         conn.prepare("update_money_event", QUERY_UPDATE_MONEY)?;
         let _ = conn.execute("update_money_event", &[&user_id, &change, &action])?;
 
+        // Best-effort money_history insert for UI/history visibility.
+        let money_str = format!("{:.2}", change);
+        fn escape_sql_literal(s: &str) -> String { s.replace('\'', "''") }
+        let escaped_action = escape_sql_literal(&action);
+        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,
+            money = money_str,
+            act = escaped_action
+        );
+        if let Err(err) = conn.query(&history_sql) {
+            eprintln!(
+                "[EventsWorker] Warning: inserting money_history failed for user {}: {}",
+                user_id, err
+            );
+        }
+
         Ok(change)
     }