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chrislu
71769da3b4
ApiVersions Matrix Accuracy completed: ## Critical Fixes - **OffsetFetch API**: Updated advertised from v0-v2 to v0-v5 (MAJOR fix) - Implementation already supported v3+ throttle_time_ms and v5+ leader_epoch - Clients can now use advanced OffsetFetch features - **CreateTopics API**: Updated advertised from v0-v4 to v0-v5 (minor fix) - Implementation already routed v5 requests to v2+ handler - Better client compatibility for v5 CreateTopics requests ## Implementation - **handleApiVersions()**: Corrected advertised max versions - **validateAPIVersion()**: Updated validation ranges to match advertisements - **Consistency**: Eliminated mismatch between advertised vs implemented versions ## Testing & Verification - **Comprehensive test suite**: 6 new tests in api_versions_test.go - **Version validation tests**: OffsetFetch v3-v5 and CreateTopics v5 now accepted - **End-to-end verification**: E2E tests still pass, no regressions - **API audit documentation**: Complete version matrix in API_VERSION_MATRIX.md ## Impact - **Client compatibility**: Higher-version clients can now connect properly - **Feature utilization**: Advanced features like leader epoch, throttle time accessible - **Protocol compliance**: Advertised versions now match actual implementation - **Future-proofing**: Clear process for managing API version accuracy Ready for Phase 4: Consumer group protocol metadata parsing