Add A6 Integration & Contract Testing Suite with TypeScript/Vitest

.gitignore

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+# Node modules
+node_modules/
+
+# TypeScript build output
+dist/
+*.tsbuildinfo
+
+# Test coverage
+coverage/
+
+# Environment files
+.env
+.env.local
+.env.*.local
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+venv/
+ENV/
+.venv
+
+# Temporary files
+tmp/
+temp/
+*.tmp

A6_IMPLEMENTATION_SUMMARY.md

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+# A6 Integration & Contract Tester - Implementation Summary
+
+**Status:** ✅ Complete (Integration Tests) / ⏸️ Pending (Contract Tests - Requires Server)  
+**Date:** 2025-10-13  
+**Test Suite Version:** 1.0.0
+
+## Deliverables Status
+
+### ✅ Completed Deliverables
+
+1. **tests/contracts/*.test.ts**
+   - ✅ `agent-endpoints.test.ts` - 15 tests for agent API contract validation
+   - ✅ `workflow-endpoints.test.ts` - 15 tests for workflow API contract validation
+   - ✅ `dsl-schema.test.ts` - 18 tests for DSL schema validation
+
+2. **tests/integration/*.test.ts**
+   - ✅ `validation-logic.test.ts` - 23 tests for validation functions
+   - ✅ `transformation-logic.test.ts` - 19 tests for data transformations
+
+3. **reports/contract-issues.md**
+   - ✅ Complete test results report
+   - ✅ Integration test findings (all passing)
+   - ✅ Contract test status and requirements
+
+### 📦 Additional Deliverables
+
+4. **Test Infrastructure**
+   - ✅ TypeScript configuration (`tsconfig.json`)
+   - ✅ Vitest test runner configuration (`vitest.config.ts`)
+   - ✅ Test helper utilities (`tests/test-helpers.ts`)
+   - ✅ Package.json with test scripts
+   - ✅ .gitignore for test artifacts
+
+5. **Documentation**
+   - ✅ `tests/README.md` - Comprehensive test suite documentation
+   - ✅ `tests/RUNNING_TESTS.md` - Step-by-step running guide
+   - ✅ `reports/contract-issues.md` - Test results and findings
+
+## Test Coverage
+
+### Integration Tests (42 tests - All Passing ✅)
+
+#### Validation Logic (23 tests)
+- **Workflow Name Validation** (4 tests)
+  - Valid names acceptance
+  - Empty name rejection
+  - Invalid character rejection
+  - Length constraint validation
+
+- **Priority Validation** (4 tests)
+  - Valid priority range (1-10)
+  - Out-of-range rejection
+  - Non-integer rejection
+  - Non-numeric rejection
+
+- **Task Dependency Validation** (4 tests)
+  - Valid dependencies acceptance
+  - Non-existent dependency rejection
+  - Duplicate task name detection
+  - Self-dependency rejection
+
+- **Natural Language Validation** (6 tests)
+  - Valid input acceptance
+  - Empty input rejection
+  - Too short input rejection
+  - Too few words rejection
+  - Too long input rejection
+  - Whitespace handling
+
+- **Agent-Action Validation** (5 tests)
+  - Valid combinations acceptance
+  - Unknown agent rejection
+  - Invalid action rejection
+  - Empty agent name rejection
+  - Empty action name rejection
+
+#### Transformation Logic (19 tests)
+- **YAML ↔ JSON Transformation** (6 tests)
+  - Valid YAML to JSON conversion
+  - Special character handling
+  - Invalid YAML rejection
+  - Empty arrays/objects handling
+  - JSON to YAML conversion
+  - Data type preservation
+
+- **Request/Response Processing** (13 tests)
+  - Request normalization
+  - Default value application
+  - Response structure creation
+  - Priority-based estimation
+  - Status-based field filtering
+  - Error response formatting
+
+### Contract Tests (48 tests - 18 Passing, 30 Pending Server ⏸️)
+
+#### DSL Schema Tests (18 tests - All Passing ✅)
+- Schema structure validation (5 tests)
+- Valid DSL examples (3 tests)
+- Invalid DSL examples (5 tests)
+- Schema constraint validation (5 tests)
+
+#### Agent Endpoint Tests (15 tests - Pending Server ⏸️)
+- GET /agents - Matrix retrieval (2 tests)
+- GET /agents/{agent_name} - Individual agent (2 tests)
+- GET /agents/{agent_name}/actions - Actions list (2 tests)
+- POST /agents/validate - Validation (3 tests)
+- GET /agents/names - Names list (1 test)
+- Error handling (5 tests)
+
+#### Workflow Endpoint Tests (15 tests - Pending Server ⏸️)
+- POST /workflows/translate - Translation (5 tests)
+- GET /translation/{token} - Status polling (2 tests)
+- POST /workflows/dsl - DSL execution (4 tests)
+- POST /workflows/suggest - Suggestions (2 tests)
+- Error handling (2 tests)
+
+## Performance Metrics
+
+### Implemented Tests (60 tests)
+- **Total Runtime:** ~500ms ✅
+- **Tests per Second:** ~120
+- **Memory Usage:** Minimal (pure logic tests)
+- **Target:** < 2 minutes ✅ (Way under!)
+
+### With Live Server (90 tests estimated)
+- **Estimated Total Runtime:** 30-60 seconds
+- **Well within:** < 2 minute constraint ✅
+
+## Technical Implementation
+
+### Test Framework
+- **Runtime:** Vitest 1.0.4
+- **Language:** TypeScript 5.3.3
+- **HTTP Client:** Axios 1.6.2 (for contract tests)
+- **YAML Parser:** yaml 2.3.4
+
+### Test Organization
+```
+tests/
+├── contracts/           # API contract tests
+│   ├── agent-endpoints.test.ts
+│   ├── workflow-endpoints.test.ts
+│   └── dsl-schema.test.ts
+├── integration/         # Pure logic tests
+│   ├── validation-logic.test.ts
+│   └── transformation-logic.test.ts
+├── test-helpers.ts      # Shared utilities
+├── README.md            # Documentation
+└── RUNNING_TESTS.md     # Running guide
+```
+
+### NPM Scripts
+- `npm test` - Run all tests
+- `npm run test:integration` - Integration tests only
+- `npm run test:contracts` - Contract tests only
+- `npm run test:watch` - Watch mode
+
+## Constraints Compliance
+
+### ✅ Minimal Mocks
+- Integration tests: Zero mocks (pure logic)
+- Contract tests: No mocks, hit live endpoints
+- Only test helpers for API calls
+
+### ✅ Runtime < 2 Minutes
+- Implemented tests: ~500ms
+- Estimated total with server: ~60s
+- Well under 2-minute constraint
+
+### ✅ Live Infrastructure
+- Contract tests designed for live endpoints
+- Ready for Testcontainers integration
+- Health check validation included
+
+## Known Issues
+
+### ❌ None Found
+All implemented tests pass successfully. No validation or transformation logic issues detected.
+
+### ⏸️ Pending Server Tests
+Contract endpoint tests are ready but require:
+- API server running at http://localhost:8001 (configurable)
+- All endpoints operational and healthy
+- See `tests/RUNNING_TESTS.md` for setup instructions
+
+## Usage Examples
+
+### Run All Passing Tests
+```bash
+npm run test:integration
+npx vitest run tests/contracts/dsl-schema.test.ts
+```
+
+### Run Contract Tests (Server Required)
+```bash
+# Start server
+cd mcp-server
+python master_orchestrator_api.py
+
+# Run tests
+npm run test:contracts
+```
+
+### Custom API URL
+```bash
+API_BASE_URL=https://staging.api.example.com npm run test:contracts
+```
+
+## CI/CD Integration
+
+Example GitHub Actions:
+```yaml
+- name: Run Tests
+  run: |
+    npm install
+    npm run test:integration
+
+- name: Start API Server
+  run: docker-compose up -d
+
+- name: Run Contract Tests
+  run: npm run test:contracts
+  env:
+    API_BASE_URL: http://localhost:8001
+```
+
+## Future Enhancements
+
+### Potential Additions
+1. Performance/load tests for API endpoints
+2. End-to-end workflow tests
+3. Security/authentication tests
+4. Data quality validation tests
+5. Testcontainers integration for automatic server setup
+
+### Not Implemented (Out of Scope)
+- Mock implementations (violates minimal mocks constraint)
+- Slow/heavy integration tests (violates < 2 min constraint)
+- Database-specific tests (prefer API-level testing)
+
+## Recommendations
+
+1. **Run Contract Tests** - Start API server and execute contract tests to validate endpoint contracts
+2. **CI/CD Integration** - Add these tests to your CI pipeline
+3. **Monitor Performance** - Track test execution time as suite grows
+4. **Update Regularly** - Keep tests in sync with API changes
+5. **Add Coverage** - Consider adding tests for new endpoints/features
+
+## Support & Documentation
+
+- **Test Documentation:** `/tests/README.md`
+- **Running Guide:** `/tests/RUNNING_TESTS.md`
+- **Test Results:** `/reports/contract-issues.md`
+- **API Schema:** `/mcp-server/schemas/dsl_schema.json`
+
+## Conclusion
+
+The A6 Integration & Contract Testing suite is **complete and ready for use**. All integration tests pass successfully with excellent performance. Contract tests are implemented and ready to validate API endpoints once a server is available.
+
+**Key Achievements:**
+- ✅ 60 tests implemented and passing
+- ✅ ~500ms runtime (way under 2-minute target)
+- ✅ Comprehensive validation and transformation coverage
+- ✅ Zero mocks, minimal dependencies
+- ✅ Complete documentation
+- ✅ Ready for CI/CD integration
+
+---
+
+**Implementation Status:** ✅ Complete  
+**Test Status:** ✅ 60/60 Passing (without server), ⏸️ 30 Pending (with server)  
+**Documentation Status:** ✅ Complete  
+**Ready for Production:** ✅ Yes