trace

# Trace Root cause, not symptom. Never patch over a bug without understanding why it happened. All agents inherit the session model. Reviewers and Debuggers bold-labeled; Workers plain. ## Per-Step Agent Map (DOCTRINE rule 12) Every substantive step dispatches at least one Agent. Atomic steps (per DOCTRINE 12.2.8) are a single Worker → Reviewer pair with no independent angles to fan out. | Step | Status | Workers | Reviewers | Notes | |---|---|---|---|---| | 1 — Reproduce | Atomic (12.2.8) | Searcher | **Reviewer** | Runs if repro missing; single Worker→Reviewer pair | | 2 — Gather evidence | Atomic (12.2.8) | `searcher` specialist × 3 | **Reviewer** | 3 parallel Searchers → single Reviewer; one Worker-group→Reviewer pair | | 3 — Hypothesize | Atomic (12.2.8) | **`debugger` specialist** | **Reviewer** | Single Debugger (5 Whys + ranked hypotheses); may fan out Step 4 across hypotheses (rule 18) | | 4 — Verify | 2 sub-phases | Implementer × N | **Debugger** · **Reviewer** | 4a: parallel Implementers → Reviewer; 4b: Debugger re-evaluation → Reviewer | | 5 — Fix at root | Atomic (12.2.8) | Implementer × N | **Reviewer** | N Implementers (one per file) → Reviewer; single Worker-group→Reviewer pair | | 6 — Regression test | Atomic (12.2.8) | Writer | **Reviewer** | Single Writer → single Reviewer; no parallel angle | | 7 — Memory + final | Atomic (12.2.8) | Writer | **Reviewer** | Single Writer → integration Reviewer; no parallel angle | ## Step 1 — Reproduce Atomic — singl...