Porting the Self-Fixing Bug Workflow to a Bot With No Sentry, No Railway, No CI Runner

I previously wrote about [TribeMarkets' self-fixing production loop](/blog/building-tribemarkets-with-ai-architecture-and-self-fixing-production): a scheduled GitHub Actions workflow that reads grouped errors from Bugsink and, under a long list of guardrails, prepares a draft pull request for a repe…