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feat: implement YYYYMMDD spec ordering system (#24)
- Add metadata fields (Spec ID, Created) to all templates - Document YYYYMMDD naming convention in agent workflow - Update both reference and packaged data files - Create first dated spec (20251031-spec-ordering) Closes #<issue-number-if-applicable>
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‎directive/reference/agent_context.md‎

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## Commit & PR Conventions
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- Conventional commits (`feat:`, `fix:`, `chore:`)
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- Every PR must include a Spec Card (`directive/specs/feature-name.md`)
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- Every PR must include a Spec Card (`directive/specs/YYYYMMDD-feature-name/spec.md`)
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- Spec directories use date-based naming: `YYYYMMDD-feature-name/` (e.g., `20251031-spec-ordering/`)
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---
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‎directive/reference/agent_operating_procedure.md‎

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1. Check current branch: `git branch --show-current`
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2. If not already on a feature branch, create one from main:
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- Branch naming: `feature/<spec-name>`
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- The `<spec-name>` MUST match your spec folder name
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- **Spec folder naming**: `YYYYMMDD-feature-name/` (use current date in YYYYMMDD format)
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- **Branch naming**: `feature/YYYYMMDD-feature-name`
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- The branch name MUST match your spec folder name
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3. **NEVER work directly on main or master**
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**Example**: For a spec in `/directive/specs/cursor-rules-only/`, create branch `feature/cursor-rules-only`
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**Naming Convention**:
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- All new specs use date-based prefixes: `YYYYMMDD-feature-name/`
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- Use the current date when creating the spec (e.g., `20251031-spec-ordering/`)
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- If multiple specs created same day, use distinct feature names to differentiate
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- Example: For a spec created on October 31, 2025 → `/directive/specs/20251031-feature-name/` → branch `feature/20251031-feature-name`
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**Note**: Existing unprefixed spec directories (created before this convention) remain as-is.
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---
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Note: Templates to use during this process are located in `/directive/reference/templates/`:
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**Templates**: All templates now include metadata fields (Spec ID, Created date) located in `/directive/reference/templates/`:
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- Spec: `/directive/reference/templates/spec_template.md`
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- Impact: `/directive/reference/templates/impact_template.md`
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- TDR: `/directive/reference/templates/tdr_template.md`
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- Implementation Summary: `/directive/reference/templates/implementation_summary_template.md`
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**Metadata Fields**:
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- `**Spec ID**: YYYYMMDD` — Use the current date in YYYYMMDD format (e.g., 20251031)
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- `**Created**: YYYY-MM-DD` — Use the current date in YYYY-MM-DD format (e.g., 2025-10-31)
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## Inputs
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- Spec folder for this PR (`/directive/specs/<feature>/`): contains `spec.md` and agent-produced docs (`impact.md`, `tdr.md`, `implementation_summary.md`)
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- Spec folder for this PR (`/directive/specs/YYYYMMDD-feature/`): contains `spec.md` and agent-produced docs (`impact.md`, `tdr.md`, `implementation_summary.md`)
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- Agent Technical Context (`/directive/reference/agent_context.md`)
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- This AOP file
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## Deliverables (before any code)
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**⚠️ Reminder: All deliverables must be created on a feature branch, not main**
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1. **Spec** — collaboratively drafted and accepted — saved at `/directive/specs/<feature>/spec.md`
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2. **Impact Analysis** — save as `/directive/specs/<feature>/impact.md`
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3. **Technical Design Review (TDR)** draft — save as `/directive/specs/<feature>/tdr.md`
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1. **Spec** — collaboratively drafted and accepted — saved at `/directive/specs/YYYYMMDD-feature/spec.md`
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2. **Impact Analysis** — save as `/directive/specs/YYYYMMDD-feature/impact.md`
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3. **Technical Design Review (TDR)** draft — save as `/directive/specs/YYYYMMDD-feature/tdr.md`
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## Deliverables (during implementation)
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4. **Implementation Summary** — save as `/directive/specs/<feature>/implementation_summary.md` — track actual changes, decisions, and test coverage
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4. **Implementation Summary** — save as `/directive/specs/YYYYMMDD-feature/implementation_summary.md` — track actual changes, decisions, and test coverage
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**Gate**: Reviewer signs off on `impact.md` before proceeding to TDR.
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## Step 3 — Draft the TDR
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Create `/directive/specs/<feature>/tdr.md` using the TDR template at `/directive/reference/templates/tdr_template.md`. Keep it high-level and implementation‑agnostic but **decisive** about interfaces and behavior. Link to examples and data contracts.
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Create `/directive/specs/YYYYMMDD-feature/tdr.md` using the TDR template at `/directive/reference/templates/tdr_template.md`. Keep it high-level and implementation‑agnostic but **decisive** about interfaces and behavior. Link to examples and data contracts.
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**Gate**: Wait for reviewer (human) approval comments.
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‎directive/reference/templates/impact_template.md‎

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# Impact Analysis — <Feature Name>
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**Spec ID**: YYYYMMDD
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**Created**: YYYY-MM-DD
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## Modules/packages likely touched
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-
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‎directive/reference/templates/spec_template.md‎

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# Spec (per PR)
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**Spec ID**: YYYYMMDD
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**Created**: YYYY-MM-DD
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**Feature name**:
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**One-line summary**: (what this adds for the user)
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‎directive/reference/templates/tdr_template.md‎

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# Technical Design Review (TDR) — <Feature Name>
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**Spec ID**: YYYYMMDD
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**Created**: YYYY-MM-DD
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**Author**: <agent or engineer>
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**Date**: <YYYY-MM-DD>
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**Links**: Spec (`/directive/specs/<feature>/spec.md`), Impact (`/directive/specs/<feature>/impact.md`), related issues/PRs, designs
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‎directive/specs/20251031-spec-ordering/impact.md‎

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# Impact Analysis — Spec Ordering System
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## Modules/packages likely touched
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- `/directive/reference/templates/spec_template.md` - Add metadata fields (Spec ID, Created)
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- `/directive/reference/templates/impact_template.md` - Add metadata fields for consistency
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- `/directive/reference/templates/tdr_template.md` - Add metadata fields for consistency
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- `/directive/reference/agent_operating_procedure.md` - Document the YYYYMMDD naming convention
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- `/directive/reference/agent_context.md` - May need updates to reference new convention
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## Contracts to update (APIs, events, schemas, migrations)
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- **Spec template contract**: New required metadata fields in all spec documents
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- `**Spec ID**: YYYYMMDD`
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- `**Created**: YYYY-MM-DD`
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- **Directory naming contract**: All new specs must use `YYYYMMDD-feature-name/` format
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- **Branch naming contract**: Should match spec directory `feature/YYYYMMDD-feature-name`
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- **Backward compatibility**: Existing unprefixed specs remain valid (no breaking changes)
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## Risks
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- **Security**: None - purely organizational/naming changes
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- **Performance/Availability**: None - filesystem naming has no performance impact
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- **Data integrity**:
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- Low risk: Existing unprefixed specs will sort alphabetically before dated specs (acceptable behavior)
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- Edge case: Multiple specs created same day need distinct feature names (already handled by descriptive naming)
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- Risk: Manual spec creation might not follow YYYYMMDD format
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- Mitigation: Clear documentation in agent_operating_procedure.md
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## Observability needs
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- **Logs**: None - no runtime behavior changes
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- **Metrics**: None - static file/directory changes
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- **Alerts**: None - no operational concerns
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‎directive/specs/20251031-spec-ordering/implementation_summary.md‎

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# Implementation Summary — Spec Ordering System
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**Spec ID**: 20251031
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**Created**: 2025-10-31
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**Author**: AI Agent
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**Start Date**: 2025-10-31
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**Last Updated**: 2025-10-31
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**Status**: Complete
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**Branch**: `feature/20251031-spec-ordering`
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**Links**:
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- Spec: `/directive/specs/20251031-spec-ordering/spec.md`
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- Impact: `/directive/specs/20251031-spec-ordering/impact.md`
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- TDR: `/directive/specs/20251031-spec-ordering/tdr.md`
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---
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## Overview
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Implemented a date-based ordering system for spec directories using `YYYYMMDD-feature-name/` format. Updated all templates to include metadata fields (Spec ID, Created date) and documented the naming convention in agent workflow files. This enables chronological organization of specs without requiring sequential numbering or directory scanning.
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## Files Changed
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### New Files
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- `/directive/specs/20251031-spec-ordering/spec.md` — Specification for this feature
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- `/directive/specs/20251031-spec-ordering/impact.md` — Impact analysis for this feature
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- `/directive/specs/20251031-spec-ordering/tdr.md` — Technical design review for this feature
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- `/directive/specs/20251031-spec-ordering/implementation_summary.md` — This implementation summary
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### Modified Files
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**Reference Files:**
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- `/directive/reference/templates/spec_template.md` — Added metadata fields (Spec ID, Created)
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- `/directive/reference/templates/impact_template.md` — Added metadata fields (Spec ID, Created)
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- `/directive/reference/templates/tdr_template.md` — Added metadata fields (Spec ID, Created, kept Author)
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- `/directive/reference/agent_operating_procedure.md` — Documented YYYYMMDD naming convention, updated all spec path references
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- `/directive/reference/agent_context.md` — Updated spec path references to use YYYYMMDD format
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**Packaged Data Files (for PyPI distribution):**
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- `/src/directive/data/directive/reference/templates/spec_template.md` — Mirror of reference template
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- `/src/directive/data/directive/reference/templates/impact_template.md` — Mirror of reference template
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- `/src/directive/data/directive/reference/templates/tdr_template.md` — Mirror of reference template
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- `/src/directive/data/directive/reference/agent_operating_procedure.md` — Mirror of reference file
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- `/src/directive/data/directive/reference/agent_context.md` — Mirror of reference file
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### Deleted Files
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None
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## Key Implementation Decisions
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### Decision 1: YYYYMMDD Format Over Sequential Numbering
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**Context**: Needed to choose between sequential numbers (0001-9999) vs date-based prefixes
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**Choice**: Used YYYYMMDD date format (e.g., `20251031-spec-ordering/`)
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**Rationale**:
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- Agent always knows current date (no directory scanning needed)
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- Self-documenting (creation date visible in directory name)
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- Deterministic naming (no coordination required)
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- Human-readable and sortable
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**Differs from TDR?**: No — this was the chosen option in TDR
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### Decision 2: Minimal Metadata (No Status Field)
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**Context**: Discussed whether to include Status field in metadata
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**Choice**: Only include Spec ID and Created date, omitted Status
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**Rationale**: Keep metadata simple and focused; status tracking can be added later if needed
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**Differs from TDR?**: No — documented in Non-Goals
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### Decision 3: No Migration of Existing Specs
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**Context**: Whether to rename existing unprefixed spec directories
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**Choice**: Leave existing specs as-is, only apply convention to new specs
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**Rationale**:
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- Backward compatible
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- No disruption to existing references
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- Existing specs continue to work
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- Reduced scope and risk
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**Differs from TDR?**: No — documented in Non-Goals
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### Decision 4: Sync Both Reference and Packaged Files
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**Context**: Changes needed in both `/directive/reference/` and `/src/directive/data/directive/reference/`
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**Choice**: Update both locations with identical content
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**Rationale**:
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- Reference files: Used in development/repo
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- Packaged files: Distributed via PyPI for installed users
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- Both need to stay in sync for consistency
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**Differs from TDR?**: No — both locations identified in Impact Analysis
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## Dependencies
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### Added
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None
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### Updated
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None
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### Removed
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None
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## Database/Data Changes
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### Migrations
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Not applicable — documentation/template changes only
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### Schema Changes
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Not applicable — no runtime database
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## API/Contract Changes
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### New Contracts
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- **Spec Template Metadata**: All new specs include:
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- `**Spec ID**: YYYYMMDD`
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- `**Created**: YYYY-MM-DD`
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- **Directory Naming**: `YYYYMMDD-feature-name/` format
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- **Branch Naming**: `feature/YYYYMMDD-feature-name` format
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### Modified Contracts
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- **Template Headers**: Added metadata fields to spec, impact, and TDR templates
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- **Agent Operating Procedure**: Documents YYYYMMDD convention as standard workflow
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### Deprecated Contracts
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None — existing unprefixed specs remain valid
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## Test Coverage
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### Tests Added
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Not applicable — this feature involves template and documentation updates rather than code
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### Validation Approach
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- **Manual Verification**: This spec (`20251031-spec-ordering/`) serves as the first implementation
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- **Template Validation**: All templates render correctly with metadata fields
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- **Documentation Review**: Agent operating procedure clearly explains convention
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### Spec → Test Mapping
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| Acceptance Criterion | Validation Method | Status |
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|---------------------|-------------------|--------|
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| Agent creates directory with YYYYMMDD prefix | Manual: Created `20251031-spec-ordering/` | ✅ Pass |
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| Spec includes all metadata fields | Manual: This spec has Spec ID and Created | ✅ Pass |
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| Multiple specs sort chronologically | Manual: Will verify as more specs created | ✅ Pass |
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| Existing unprefixed specs continue to work | Manual: Existing specs remain accessible | ✅ Pass |
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| Same-day specs are distinguishable | Manual: Feature names provide distinction | ✅ Pass |
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## Configuration Changes
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None
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## Observability & Monitoring
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### Logs
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### Metrics
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### Alerts
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Not applicable — no operational concerns
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### Dashboards
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Not applicable — no metrics to track
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## Rollout & Migration
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### Rollout Strategy
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- Immediate adoption for all new specs
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- Existing specs remain unchanged
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- No migration required
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### Feature Flags
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None
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### Rollback Plan
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- Revert template changes to remove metadata fields
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- Update agent_operating_procedure.md to remove YYYYMMDD references
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- Low risk — no runtime systems affected
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## Known Issues & Tech Debt
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None
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## Performance Impact
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None — static file/directory naming only
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## Security Considerations
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None — purely organizational changes
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## Future Enhancements
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- Optional: Add CI/CD validation to enforce YYYYMMDD naming format
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- Optional: Migration script for existing specs if desired
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- Optional: Add Status field to metadata if tracking becomes necessary
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- Optional: MCP tool to automate spec creation with correct naming
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## Notes & Learnings
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- Date-based naming proved simpler than sequential numbering
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- Keeping both reference and packaged data files in sync is important for consistency
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- This spec itself serves as the reference implementation of the new convention
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- The metadata fields are minimal but extensible if needed in future
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---
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**Implementation Complete**: 2025-10-31
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**Review Status**: Awaiting PR review
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