Add proper error handling for price parsing, date parsing, and HTTP
status codes in CheapShark, Epic, and ITAD integrations. Fix Epic dedup
IDs to distinguish current vs upcoming offers. Bump CheapShark fetch
page size from 10 to 60.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Full rewrite of the gaming deals Matrix bot in Go for better performance
and a single static binary. Includes all original functionality (CheapShark,
ITAD, Epic free games, multi-currency pricing, dedup, preflight checks,
presence heartbeat) plus a new watchlist feature where users can DM the bot
to watch for specific game deals with 180-day auto-expiry.
New: systemd service file, DB migration script for Python-to-Go transition.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
