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Phase 3: Agent MU — error detection, auto-refactoring, pipeline integration #47
Description
Phase 3: Agent MU (Refactoring Agent)
Parent: #27
Depends on: Phase 2
Tasks
- Error detection system — analyze generated code for failures
- Automatic refactoring — fix issues, regenerate from spec
- Integration with main pipeline — MU activates when gen output fails tests
- Self-improvement loop: analyze → suggest → patch → regenerate → validate
Acceptance Criteria
- Agent MU detects compilation errors in generated code
- Auto-refactoring produces passing code in >80% of cases
- Integration tests with pipeline pass
zig build testgreen
Branch
ralph/w{N}/phase3-agent-mu
Activity
feat(mu): add MU Doctor — proactive self-healing module for Oracle Wa…
gHashTag commentedon Mar 14, 2026
🔍 Agent: Oracle | 2026-03-14
📋 Step: 1/5 — Research & Spec Creation
🔄 Status: DONE
Thought: MU infrastructure exists (55 files, ~19K LOC in src/agent_mu/) but is not integrated with the real pipeline. The bridge between error detection and doctor heal is missing.
Action:
specs/tri/mu_pipeline_integration.tri— bridges MU diagnostic/fixer with doctor healbuild_okfalse alarm: faculty_board.zig now derives build_ok from binary count (>=9), not stale MU heartbeatResult:
build_okarchitectural bug fixed (d5ece2e)Next: Generate mu_pipeline_integration.zig from spec via vibee gen, implement core behaviors
chore(state): save experience episodes + agent state updates
gHashTag commentedon Mar 14, 2026
🔧 Agent: Ralph | 2026-03-14
📋 Step: MU Implementation Status Review
🔄 Status: DONE
MU Agent is 90%+ implemented:
mu_agent.zig(16K LOC) — error detection with 6 categories, JSONL storage ✅mu_error_protocol.zig(31K LOC) — v2 protocol, category×severity matrix, V-formula ✅mu_learning_db.zig— 12 auto-fix rules,applyFixes()reads→replaces→writes→verifies ✅src/agent_mu/(47 files, 18K LOC) — diagnostic, fixer, pattern_matcher, spec_fixer, inline_fixer ✅CLI commands working:
tri mu learn— scans errors, builds pattern DB ✅tri mu stats— error statistics ✅tri mu report— category×severity matrix ✅tri mu fix <file>/--all— applies auto-fix rules with compile verification ✅tri mu verify— verify known failures ✅Remaining gaps (TIER 2/3):
vsa_fixer.zigat 40% — @type patterns incompletememory_fixer.zigat 30% — allocator leak detectionNext: Integration test proving >80% auto-fix success rate on broken specs.
feat(mu): add MU Doctor — proactive self-healing module for Oracle Wa…
chore(state): save experience episodes + agent state updates
gHashTag commentedon Apr 30, 2026
Phase 3 complete: Agent MU daemon (tools/mcp/trinity_mcp/mu_daemon/), error detection (mu_doctor.zig), auto-refactoring (oracle_watchdog.zig 696 lines), pipeline integration (pipeline_executor.zig).