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Feature/api versioning system#511

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Anieblin wants to merge 2 commits into
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Anieblin:feature/api-versioning-system
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Feature/api versioning system#511
Anieblin wants to merge 2 commits into
Nanle-code:masterfrom
Anieblin:feature/api-versioning-system

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@Anieblin

@Anieblin Anieblin commented Jun 29, 2026

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Closes #449


GitHub Copilot and others added 2 commits June 24, 2026 23:48
Implements all 5 steps of API version management:

Step 1: Versioning Strategy
- VersionManager class for semantic versioning (major.minor.patch)
- Support for 4 versioning strategies: header, URL path, query param, hybrid
- Automatic version extraction and validation
- Endpoint registration and version history tracking

Step 2: Backward Compatibility
- CompatibilityManager for automatic request/response transformations
- Field mapping and schema evolution support
- Compatibility adapters between versions
- Automatic shim generation

Step 3: Documentation & Deprecation
- DeprecationManager for tracking deprecated features
- Migration path documentation
- Severity levels (warning/critical)
- Warning suppression and logging

Step 4: Analytics & Monitoring
- AnalyticsManager for usage metrics and adoption tracking
- Request/response time monitoring
- Error rate tracking by version
- Migration success rate calculation
- CSV/JSON export capabilities

Step 5: Sunset Management
- SunsetManager for version lifecycle management
- Sunset policies with communication phases
- Decommissioning step automation
- Alternative version suggestions

Additional Features:
- MigrationManager for automated data migrations
- 226 test cases with 100% passing rate
- 1,650+ lines of comprehensive documentation
- 7 practical code examples
- Full TypeScript type support
- Global instances for convenient usage

Tests: npm run test -> 226 tests passed
Files Added:
- src/lib/apiVersioning/ (6 modules, ~2,670 lines)
- docs/api/versioning/ (5 documentation files, ~1,650 lines)
- tests/unit/lib/apiVersioning.test.ts (comprehensive test suite)
- IMPLEMENTATION_REPORT.md (implementation summary)
@vercel

vercel Bot commented Jun 29, 2026

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Someone is attempting to deploy a commit to the nanle-code's projects Team on Vercel.

A member of the Team first needs to authorize it.

@Nanle-code

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@Anieblin fix conflicts

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D-046: Add comprehensive API versioning and deprecation strategy

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