# Validation Report - Story 1-11 Multi-Version API Support

**Document:** docs-bmad/sprint-artifacts/stories/1-11-multi-version-api-support.context.xml
**Checklist:** .bmad/bmm/workflows/4-implementation/story-context/checklist.md
**Date:** 2025-12-29_13-20-05
**Validator:** SM Agent (Bob)

## Summary
- Overall: 9/10 passed (90%)
- Critical Issues: 0
- Partial Items: 1
- Recommendations: 3 improvements

## Section Results

### Story Structure
Pass Rate: 3/3 (100%)

✓ **Story fields (asA/iWant/soThat) captured**
Evidence: Lines 13-15 contain all three user story components with clear developer-focused perspective
Impact: N/A - Fully compliant

✓ **Acceptance criteria list matches story draft exactly**
Evidence: Lines 29-36 define 6 comprehensive acceptance criteria covering version selection, defaults, artifacts, display, restart requirement, and CI/CD testing
Impact: N/A - Fully compliant

✓ **Tasks/subtasks captured as task list**
Evidence: Lines 16-26 provide 9 detailed tasks with AC mappings (#1-#6) for traceability
Impact: N/A - Fully compliant

### Documentation & Code References
Pass Rate: 2/2 (100%)

✓ **Relevant docs (5-15) included with path and snippets**
Evidence: Lines 40-76 include 6 documentation artifacts (tech-spec-epic-1.md, epic-1 definition, 3 ADRs, Story 1.10) with contextual snippets
Impact: N/A - Fully compliant

✓ **Relevant code references included with reason and line hints**
Evidence: Lines 78-141 reference 9 code artifacts including Settings class, 3 generation scripts, 2 loading modules, and 2 data files with detailed modification reasons
Impact: N/A - Fully compliant

### Technical Specifications
Pass Rate: 1/2 (50%)

⚠ **Interfaces/API contracts extracted if applicable**
Evidence: Lines 176-245 define 10 interfaces covering Settings methods, CLI arguments, JSON schemas, and MCP response
Gaps Identified:
- Missing `Settings.validate_api_version` field validator signature (critical for AC #1)
- Missing version consistency validation function interfaces in operation_registry.py and embeddings.py
- Missing startup validation function that checks OpenAPI file existence (AC #1 requirement)
- Missing error handling interfaces for version mismatches
Impact: Developers may miss implementing critical validation functions during implementation phase

✓ **Constraints include applicable dev rules and patterns**
Evidence: Lines 155-173 list 15 comprehensive constraints including ADR references (005, 007), version validation rules, artifact naming patterns, CI/CD requirements, and coding standards
Impact: N/A - Fully compliant

### Dependencies & Testing
Pass Rate: 3/3 (100%)

✓ **Dependencies detected from manifests and frameworks**
Evidence: Lines 143-151 list 7 Python dependencies (pydantic, pydantic-settings, yaml, argparse, importlib, pytest, unittest.mock) with version constraints and usage reasons
Impact: N/A - Fully compliant

✓ **Testing standards and locations populated**
Evidence: Lines 249-267 define testing standards (pytest, testcontainers, AAA pattern, mypy, 80% coverage), 4 test file locations, and 9 test ideas mapped to acceptance criteria
Impact: N/A - Fully compliant

✓ **XML structure follows story-context template format**
Evidence: Lines 1-269 follow proper XML structure with metadata, story, acceptanceCriteria, artifacts (docs/code/dependencies), constraints, interfaces, and tests sections
Impact: N/A - Fully compliant

## Partial Items

### ⚠ Interfaces/API Contracts
**Status:** PARTIAL (70% complete)

**What's Present:**
- 10 well-defined interfaces covering primary functionality
- Settings configuration methods with clear signatures
- CLI argument specifications for generation scripts
- JSON schema extensions for version metadata
- MCP protocol response format

**What's Missing:**
1. Field validator interface: `@field_validator("api_version")` decorator and method signature
2. Version consistency validation functions in loading modules
3. Startup validation for OpenAPI file existence
4. Error handling interfaces for version mismatches

**Recommendation:**
Add these missing interface definitions to provide complete API surface coverage for developers

## Recommendations

### 1. Add Missing Interface Definitions (Priority: High)
Add the following interfaces to complete API contract coverage:

```xml
<interface>
  <name>Settings.validate_api_version</name>
  <kind>field validator</kind>
  <signature>@field_validator("api_version") def validate_api_version(cls, v: str) -> str</signature>
  <path>src/config/settings.py</path>
  <description>Pydantic field validator ensuring api_version is in ["3.11", "3.12", "3.13"], raises ValueError with exact message format from AC #1</description>
</interface>

<interface>
  <name>validate_version_consistency</name>
  <kind>function</kind>
  <signature>def validate_version_consistency(data: dict[str, Any], expected_version: str, artifact_type: str) -> None</signature>
  <path>src/config/settings.py</path>
  <description>Validates api_version field in loaded JSON matches Settings.api_version, raises ValueError if mismatch detected</description>
</interface>

<interface>
  <name>Settings.validate_openapi_exists</name>
  <kind>method</kind>
  <signature>def validate_openapi_exists(self) -> None</signature>
  <path>src/config/settings.py</path>
  <description>Validates OpenAPI file exists at startup, raises FileNotFoundError with actionable error message if missing</description>
</interface>
```

### 2. Add Missing Code Artifacts (Priority: Medium)
Include server.py and CI workflow as code artifacts:

```xml
<artifact>
  <path>src/mcp_server/server.py</path>
  <kind>module</kind>
  <symbol>get_server_info</symbol>
  <lines>startup and server_info sections</lines>
  <reason>MCP server info response handler. Need to add api_version field to metadata response (AC #4). Update startup logging to format "RabbitMQ MCP Server v{app_version} (API: {api_version}.x)"</reason>
</artifact>

<artifact>
  <path>.github/workflows/ci.yml</path>
  <kind>config</kind>
  <symbol>matrix strategy</symbol>
  <lines>jobs.test.strategy.matrix section</lines>
  <reason>CI/CD workflow configuration. Need to add api_version dimension to matrix strategy with values [3.11, 3.12, 3.13] for multi-version testing (AC #6)</reason>
</artifact>
```

### 3. Enhance Test Ideas Section (Priority: Low)
Add specific test cases for error scenarios:

```xml
- Test invalid version error message exact format: ValueError("API version '3.10' not supported. Supported: 3.11, 3.12, 3.13")
- Test version mismatch error: Settings.api_version="3.12" with operations-3.11.json raises ValueError with clear message
- Test missing OpenAPI file error: api_version="3.11" without data/openapi-3.11.yaml raises FileNotFoundError with installation instructions
- Test startup validation order: version validation → OpenAPI existence → artifact loading → consistency checks
```

## Conclusion

**Overall Assessment:** Strong story context with 90% compliance. The context provides comprehensive guidance for developers with clear tasks, well-documented artifacts, and detailed constraints.

**Critical Path:** The one partial item (interfaces) represents the only gap preventing 100% compliance. Adding the 3 missing interface definitions will provide complete API surface coverage.

**Ready for Development:** YES (with minor enhancements recommended)

The story context successfully captures all essential elements from the story draft and provides rich technical context. The missing interfaces are discoverable during implementation but adding them proactively will improve developer experience and reduce implementation risk.

---
**Next Steps:**
1. Apply recommended interface additions to story context XML
2. Add missing code artifact references for server.py and ci.yml  
3. Enhance test ideas with error scenario coverage
4. Mark story as fully validated and ready for dev handoff
