- weekend-deep-sync.ts: fire webhook to N8N_WEBHOOK_URL after each sync cycle
(N8N triggers tippecanoe PMTiles rebuild via SSH on host)
- nginx tile-cache: add stub_status at /status, custom log format with cache status
- Add tile-cache-stats.sh: shows HIT/MISS ratio, cache size, slow tiles
- docker-compose: add N8N_WEBHOOK_URL env var
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>