# ADR Closeout Form: ADR-0.0.17-adr-taxonomy-mechanical

**Status**: Phase 2 — Completed

---

## Pre-Attestation Checklist

Closeout evidence verified:

- [x] All checklist items in ADR are complete
- [x] All OBPIs have passing acceptance criteria
- [x] Gate 2 (TDD): Tests pass
- [x] Gate 3 (Docs): Docs build passes
- [x] Gate 4 (BDD): Behave suite passes
- [ ] Code reviewed

## Evidence Paths

| Gate | Evidence | Command/Path |
|------|----------|--------------|
| Gate 1 | ADR exists | `docs/design/adr/foundation/ADR-0.0.17-adr-taxonomy-mechanical/ADR-0.0.17-adr-taxonomy-mechanical.md` |
| Gate 2 (TDD) | Tests pass | `uv run gz test` |
| Quality (Lint) | Lint passes | `uv run gz lint` |
| Quality (Typecheck) | Typecheck passes | `uv run gz typecheck` |
| Gate 3 (Docs) | Docs build | `uv run mkdocs build --strict` |
| Gate 4 (BDD) | BDD passes | `uv run -m behave features/` |
| Gate 5 | Human attests | `uv run gz closeout ADR-0.0.17-adr-taxonomy-mechanical` |

## OBPI Status

| OBPI | Description | Status |
|------|-------------|--------|
| [OBPI-0.0.17-01-schema-and-model](OBPI-0.0.17-01-schema-and-model.md) | kind field in ADR schema + Pydantic model | Completed |
| [OBPI-0.0.17-02-plan-create-kind](OBPI-0.0.17-02-plan-create-kind.md) | --kind flag on gz plan create | Completed |
| [OBPI-0.0.17-03-adr-promote-kind](OBPI-0.0.17-03-adr-promote-kind.md) | --kind flag on gz adr promote | Completed |
| [OBPI-0.0.17-04-validate-taxonomy](OBPI-0.0.17-04-validate-taxonomy.md) | gz validate --taxonomy scope | Completed |
| [OBPI-0.0.17-05-backfill-and-roundtrip](OBPI-0.0.17-05-backfill-and-roundtrip.md) | existing-ADR backfill + round-trip test | Completed |
| [OBPI-0.0.17-06-agents-md-correction](OBPI-0.0.17-06-agents-md-correction.md) | AGENTS.md + docs/user correction | Completed |

## Defense Brief

### Closing Arguments

*No closing arguments found.*

### Product Proof

| OBPI | Proof Type | Status |
|------|-----------|--------|
| OBPI-0.0.17-01-schema-and-model | docstring | FOUND |
| OBPI-0.0.17-02-plan-create-kind | command_doc | FOUND |
| OBPI-0.0.17-03-adr-promote-kind | command_doc | FOUND |
| OBPI-0.0.17-04-validate-taxonomy | command_doc | FOUND |
| OBPI-0.0.17-05-backfill-and-roundtrip | test_evidence | FOUND |
| OBPI-0.0.17-06-agents-md-correction | command_doc | FOUND |

### Reviewer Assessment

*No reviewer assessments found.*


## Human Attestation

### Verbatim Attestation

- `completed`

**Attested by**: Jeffry Babb
**Timestamp (UTC)**: 2026-04-20T00:39:27Z
