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jtricerolph ea240b3f96 Add stale-scrape health alerting (email + in-app banner)
Silent scraper breakage (200-with-empty-body) went unnoticed for 16 days
because nothing flagged it. Now, after each daily direct scrape, a health
check compares every enabled competitor's freshest captured rate against a
staleness threshold (default 5 days, config: scrape_health_stale_days).

State lives in a new direct_scrape_health table so we alert on transitions
only — one email when a competitor goes stale, one when it recovers, never a
daily repeat. Email uses the stack's shared SMTP integration via
central_settings (recipient: scrape_health_alert_email, else SMTP reply_to/
from) — no new mail secrets in this app. The current stale set also drives an
in-app warning banner on the Direct Rates page (GET /direct/health), with an
on-demand re-check endpoint (POST /direct/health/check).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-08-13 15:44:03 +00:00
backend Add stale-scrape health alerting (email + in-app banner) 2026-08-13 15:44:03 +00:00
frontend Add stale-scrape health alerting (email + in-app banner) 2026-08-13 15:44:03 +00:00
.gitignore Add Rate Monitor app — Booking.com + direct booking engine competitor rates 2026-07-05 12:06:30 +00:00
docker-compose.yml Revert to headed Chrome + Xvfb; add shm_size 256m to fix Xvfb in Docker 2026-07-09 17:36:27 +00:00