{"api":"Database Query API","database":"/home/xu/data/monitor.db","tables":["analysis","cached_daily_reports","cached_weekly_reports","daily_stats","event_deep_analysis","event_feeds","event_heat","events","feed_subscribers","feeds","macro_indicators","policy_events","sources","sqlite_sequence","users"],"endpoints":{"GET /":"API info & table list","GET /tables":"List all tables with row counts","GET /tables/:name":"Get table schema","GET /tables/:name/data":"Query table data (?limit=100&offset=0&where=&order=)","GET /query":"Execute SELECT query (?sql=...)","POST /query":"Execute SELECT query body {sql}"}}