start     → architecture.md (+ repo info for linking)
        │
unwinding-codebase          → dispatches layer specialists
        │
        ├── analyzing-database-layer     → database/
        ├── analyzing-domain-model       → domain-model/
        ├── analyzing-service-layer      → service-layer/
        ├── analyzing-api-layer          → api/
        ├── analyzing-messaging-layer    → messaging/ (if present)
        ├── analyzing-frontend-layer     → frontend/ (if present)
        ├── analyzing-unit-tests         → unit-tests/
        ├── analyzing-integration-tests  → integration-tests/
        └── analyzing-e2e-tests          → e2e-tests/
        │
verifying-layer-documentation → gap detection (parallel per layer)
        │
        └── Outputs gaps.md per layer (missing items only)
        │
completing-layer-documentation → gap completion (parallel per layer)
        │
        ├── Reads gaps.md work list
        ├── Adds missing documentation
        └── Deletes gaps.md when done
        │
synthesizing-findings       → REBUILD-PLAN.md (strategic rebuild approach)

docs/unwind/
├── architecture.md
├── layers/
│   ├── database/
│   │   ├── index.md
│   │   ├── schema.md
│   │   ├── repositories.md
│   │   └── verification.md
│   ├── domain-model/
│   │   ├── index.md
│   │   ├── entities.md
│   │   └── verification.md
│   ├── service-layer/
│   │   ├── index.md
│   │   ├── services.md
│   │   ├── formulas.md
│   │   └── verification.md
│   ├── api/
│   │   ├── index.md
│   │   ├── endpoints.md
│   │   └── verification.md
│   └── [other layers...]
└── REBUILD-PLAN.md