docs: note private-space HF_TOKEN requirement for keep-alive

fix: keepalive treats non-2xx as failure; optional auth headers

feat: add /debug/outbound-ip for Cloudways MySQL whitelist

fix: install PyMySQL in Dockerfile to avoid HF mamba OOM

feat: Cloudways polygon auto-insert after corners (hail_*_copy)

feat: expand radars to 27 sites and sync corners pipeline to HF Space

feat: restore merged GeoJSON from HF Dataset on startup

feat: show station progress as N/14 in hourly and daily logs

Revert "feat: dataset backup restore, faster pings with logging"

feat: dataset backup restore, faster pings with logging

fix: rename keepalive interval field in /status to avoid scheduler clash

feat: outbound keep-alive pings for mutual Space wake (phase 1)

fix: write filtered hail GeoJSON without GDAL to_file

fix: always create merged GeoJSON for Texas date after hourly run

feat: show fetched hour window in timing summary

fix: merge_hail_regions GeoJSON I/O without GDAL on HF

fix: handle empty hail GeoJSON without geometry column crash

fix: GDAL startup crash on HF Space

feat: hail pipeline Docker Space backend

initial commit