Val Town backend for scraping, storing, and serving Chicago free museum day data.

File	Type	Description
db.ts	Script	Database functions (SQLite)
scrapeChooseChicago.ts	Script	Choose Chicago HTML scraper
utils.ts	Script	Date normalization utilities
scraper.cron.ts	Cron	Monthly scraper orchestrator
bot.cron.ts	Cron	Weekly Bluesky poster (Mondays 8am CT)
api.http.ts	HTTP	Public JSON API

1. Deploy to Val Town
2. Set secrets: BLUESKY_HANDLE, BLUESKY_PASSWORD
3. Run scraper.cron.ts manually to populate initial data
4. Schedule scraper.cron.ts monthly (first Monday)
5. Schedule bot.cron.ts weekly (Mondays 8am CT → 0 14 * * 1 UTC in winter, 0 13 * * 1 in summer)

• GET / - API documentation
• GET /free-days?start=YYYY-MM-DD&end=YYYY-MM-DD - Free days in date range
• GET /upcoming - Next 7 days
• GET /today - Today's free days
• GET /institutions - List all museums
• GET /health - Health check

• scraped_free_days - Auto-populated by scrapers
• free_days_overrides - Manual corrections (win on conflicts)