# Validation Report: Story Context 3-5-list-exchanges-operation

**Document:** docs-bmad/sprint-artifacts/stories/3-5-list-exchanges-operation.context.xml
**Checklist:** .bmad/bmm/workflows/4-implementation/story-context/checklist.md
**Date:** 2025-12-30T03:16:23Z
**Validator:** SM Agent (Bob)

## Summary
- Overall: 9/10 passed (90%)
- Critical Issues: 1 (missing task reference in acceptance criteria)

## Section Results

### ✓ Story Core Fields
Pass Rate: 3/3 (100%)

✓ **Story fields (asA/iWant/soThat) captured**
Evidence: Lines 13-15 - All three fields present and properly formatted
- asA: "DevOps engineer"
- iWant: "list all exchanges in a vhost with their properties and statistics"  
- soThat: "I can monitor message routing infrastructure and troubleshoot routing issues"

✓ **Tasks/subtasks captured as task list**
Evidence: Lines 16-27 - Complete task breakdown with 10 tasks, each mapped to specific acceptance criteria
Tasks include: schema creation, response models, operation implementation, filtering, sorting, system exchange handling, logging, performance monitoring, MCP tool registration, and documentation.

✓ **Acceptance criteria list matches story draft exactly**
Evidence: Lines 30-39 - All 8 acceptance criteria from story draft (lines 13-20 in story.md) captured verbatim with proper AC numbering (AC1-AC8)

### ✓ Documentation Artifacts
Pass Rate: 1/1 (100%)

✓ **Relevant docs (5-15) included with path and snippets**
Evidence: Lines 42-90 - Exactly 8 documentation artifacts included:
1. tech-spec-epic-3.md (3 sections: APIs, Data Models, Constraints)
2. epic-3-topology-operations.md (Story 3.5 Technical Notes)
3. 3-4-purge-queue-operation.md (Learnings - Response body parsing)
4. 3-1-list-queues-operation.md (Client-side filtering/sorting patterns)
5. architecture-decision-records-adrs.md (ADR-009: Structured Logging)
6. test-design-system.md (Testing Framework)

All include proper path, title, section, and relevant snippet context for list exchanges implementation.

### ✓ Code References
Pass Rate: 1/1 (100%)

✓ **Relevant code references included with reason and line hints**
Evidence: Lines 92-134 - Six code artifacts with proper symbol, path, line ranges, and implementation reasons:
1. ListQueuesOperation (lines 42-371) - List operation pattern
2. PurgeQueueOperation (lines 950-1117) - Response body parsing and logging
3. QueueDetails (lines 29-88) - Response model pattern with statistics
4. CreateQueueRequest (lines 115-270) - Request schema with validators
5. PurgeQueueRequest (lines 324-383) - Minimal request schema template
6. HTTPClientManager (lines 1-50) - HTTP client for API calls

All references specify module, symbol, lines, and reason for relevance to list exchanges operation.

### ✓ Interfaces and APIs
Pass Rate: 1/1 (100%)

✓ **Interfaces/API contracts extracted if applicable**
Evidence: Lines 165-187 - Three interfaces defined:
1. GET /api/exchanges/{vhost} - REST endpoint with signature, path, description
2. HTTPClientManager.request - async method signature with parameters
3. ListExchangesOperation.execute - async method signature with request/response types

All interfaces include name, kind, signature, path, and clear descriptions.

### ⚠ Constraints and Dependencies
Pass Rate: 2/2 (100%)

✓ **Constraints include applicable dev rules and patterns**
Evidence: Lines 148-162 - Comprehensive constraints covering:
- File placement (topology.py extensions)
- Schema validation patterns (Literal types, extra="ignore", field validators)
- URL encoding requirements ("/" → "%2F")
- System exchange handling (amq.*, default exchange)
- Client-side filtering/sorting patterns
- Helper method naming (_apply_filters, _apply_sorting)
- Correlation ID audit trail (ADR-009)
- Test file locations and target coverage (~40-50 tests)

✓ **Dependencies detected from manifests and frameworks**
Evidence: Lines 136-145 - All Python dependencies listed with versions and usage:
- pydantic ^2.0.0 - Schema validation
- httpx ^0.27.0 - HTTP client
- structlog ^24.1.0 - Structured logging
- pytest ^8.3.4 - Test framework
- pytest-asyncio ^0.24.0 - Async test support
- urllib.parse (stdlib) - URL encoding

### ✓ Testing Standards
Pass Rate: 1/1 (100%)

✓ **Testing standards and locations populated**
Evidence: Lines 189-210 - Complete testing section with:
- Standards: pytest with pytest-asyncio, Arrange-Act-Assert, parametrized tests, 80% coverage, mocking patterns, fixtures
- Locations: Two test files specified (extend test_topology.py for schemas, NEW test_list_exchanges_operation.py for operations, deferred integration tests)
- Ideas: 13 test scenarios mapping to specific ACs (AC1-AC8) plus edge cases (vhost encoding, correlation_id, error handling, forward compatibility)

### ✓ XML Structure
Pass Rate: 1/1 (100%)

✓ **XML structure follows story-context template format**
Evidence: Lines 1-212 - Complete XML structure with proper hierarchy:
- Root element: <story-context> with id and version attributes
- metadata section with epicId, storyId, title, status, timestamps, sourceStoryPath
- story section with asA/iWant/soThat and tasks
- acceptanceCriteria section with 8 numbered criteria
- artifacts section with docs, code, dependencies subsections
- constraints section as list
- interfaces section with structured interface definitions
- tests section with standards, locations, ideas subsections

All sections present and properly nested per template requirements.

## Issues Analysis

### ⚠ Minor Gap: Task Reference in Acceptance Criteria

**Issue:** Line 17 shows "Task 1: Create List Exchanges Request Schema (AC: #1, #6)" but the story draft shows this task should also reference AC #7 for filter fields.

**Evidence from Story Draft (line 24):** "Task 1: Create List Exchanges Request Schema (AC: #1, #6)" 

**Evidence from AC7 (line 19 in story draft):** "results can be filtered by: name_pattern (regex), type (direct/topic/fanout/headers)"

**Evidence from Task 1 subtasks (lines 26-28 in story draft):** 
- "Add optional filter fields: name_pattern (str, optional), type (Literal[...], optional)"

**Impact:** Low - Task implementation is correct (includes filter fields per subtasks), only the AC reference mapping is incomplete. Does not affect implementation.

**Recommendation:** Update line 17 in context.xml to reference AC #1, #6, #7 for completeness. However, this is cosmetic since the task subtasks correctly implement filtering per AC7.

## Recommendations

### Critical (Must Fix Before Dev)
None - Story context is complete and ready for development.

### Should Improve
1. **Task-AC Mapping Precision**: Consider updating Task 1 mapping to include AC #7 reference for filter fields (line 17) to match task implementation scope. This improves traceability but does not block development.

### Consider (Future Enhancement)
1. **Integration Test Examples**: Add specific integration test scenarios to test ideas section (currently marked "deferred"). Examples: testcontainer setup, vhost isolation patterns, performance measurement approach.

2. **Performance Monitoring Details**: Consider adding specific metric names/thresholds to constraints section for the 200ms performance target (AC4) beyond the slow log event.

3. **System Exchange Documentation**: Consider adding specific list of expected system exchanges (amq.direct, amq.fanout, amq.topic, amq.headers, amq.match) to constraints or tests section for developer reference.

## Conclusion

**Overall Assessment:** ✓ PASS with minor recommendations

The story context is **complete and ready for development**. All critical checklist items are satisfied:
- Story fields properly captured from draft
- Acceptance criteria match exactly (8 ACs)
- Tasks comprehensively cover all ACs with proper breakdown
- Documentation artifacts provide relevant patterns from previous stories
- Code references guide implementation with specific line numbers
- Interfaces clearly defined with signatures
- Constraints enforce project patterns and ADRs
- Dependencies identified with versions
- Testing approach detailed with 40-50 target tests
- XML structure follows template correctly

The one minor gap (Task 1 AC reference) is cosmetic and does not affect the quality or completeness of the story context. The task implementation correctly includes filter fields per subtasks.

**Recommendation:** Proceed to development. The story context provides comprehensive guidance for implementing the List Exchanges operation following established project patterns.

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**Validation Completed:** 2025-12-30T03:16:23Z
**Status:** ✓ Ready for Development
