Falls back to GITHUB_TOKEN if COPILOT_PAT not set.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Tests progressively larger payloads (2k-64k chars) to find actual
token limits. Logs HTTP status codes and error messages.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Tracer bullet for LLM-powered PR review using GitHub Models API.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>