# ADR Closeout Form: ADR-0.0.18-adr-taxonomy-doctrine

**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
- [ ] Gate 3 (Docs): Docs build passes
- [ ] Gate 4 (BDD): Behave suite passes
- [ ] Code reviewed

## Evidence Paths

| Gate | Evidence | Command/Path |
|------|----------|--------------|
| Gate 1 | ADR exists | `docs/design/adr/foundation/ADR-0.0.18-adr-taxonomy-doctrine/ADR-0.0.18-adr-taxonomy-doctrine.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 5 | Human attests | `uv run gz closeout ADR-0.0.18-adr-taxonomy-doctrine` |

## OBPI Status

| OBPI | Description | Status |
|------|-------------|--------|
| [OBPI-0.0.18-01-concepts-page](OBPI-0.0.18-01-concepts-page.md) | taxonomy concepts page | Completed |
| [OBPI-0.0.18-02-runbook-prd-to-adr](OBPI-0.0.18-02-runbook-prd-to-adr.md) | runbook PRD → ADR derivation guidance | Completed |
| [OBPI-0.0.18-03-pool-curation-policy](OBPI-0.0.18-03-pool-curation-policy.md) | pool curation policy doctrine | Completed |
| [OBPI-0.0.18-04-epic-grouping](OBPI-0.0.18-04-epic-grouping.md) | epic grouping (naming + frontmatter + --epic filter) | Completed |
| [OBPI-0.0.18-05-skill-prompt-enrichment](OBPI-0.0.18-05-skill-prompt-enrichment.md) | skill prompt updates for --kind | Completed |

## Defense Brief

### Closing Arguments

*No closing arguments found.*

### Product Proof

| OBPI | Proof Type | Status |
|------|-----------|--------|
| OBPI-0.0.18-01-concepts-page | runbook | FOUND |
| OBPI-0.0.18-02-runbook-prd-to-adr | runbook | FOUND |
| OBPI-0.0.18-03-pool-curation-policy | runbook | FOUND |
| OBPI-0.0.18-04-epic-grouping | command_doc | FOUND |
| OBPI-0.0.18-05-skill-prompt-enrichment | governance_artifact | FOUND |

### Reviewer Assessment

*No reviewer assessments found.*


## Human Attestation

### Verbatim Attestation

- `completed`

**Attested by**: Jeffry
**Timestamp (UTC)**: 2026-04-21T00:00:27Z
