- Integrate LoopBodyCondPromoter into Pattern2 (break condition analysis) - Add Pattern2 error message functions to error_messages.rs - Create A-4 minimal test (phase2235_p2_digit_pos_min.hako) - Unified promotion structure for Pattern2/Pattern4 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>