Fix: Exclude SQLite temp files from sync, improve Cloudflare error diagnostics

fix: correct spelling of 'HuggingMes' across multiple files

refactor: update cron interval to 10 minutes and streamline keepalive request logging and handling

chore: increase keepalive frequency to every minute and add logging for health check requests

feat: log result of scheduled keepalive pings to console

feat: replace setup-uptimerobot.sh with a modular cloudflare-keepalive-setup.py for automated health check pinging.