3edc90b362
Database: - Create token_limit_alerts table to track alert history - Add send_token_limit_notification() function - Add check_token_limit_trigger() function - Create AFTER INSERT trigger on ai_usage_logs Features: - Automatic notifications at 80%, 90%, and 100% thresholds - One alert per threshold per month (no spam) - Notification stored in notifications table - Alert details logged in token_limit_alerts table Notification Messages: - 80%: Warning to monitor usage - 90%: Strong warning to reduce IA usage - 100%: Limit exceeded notification Next: Add enforce automatic checks in AI handlers Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>