feat(mcp): refactor dev_inspect and optimize pattern analysis #171
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- Renamed dev_explore to dev_inspect for clarity - Changed actions to specific verbs: compare, validate - Removed redundant pattern and relationships actions - Updated all documentation and tests - Added comprehensive migration guide BREAKING CHANGE: dev_explore tool has been replaced with dev_inspect. Use action 'compare' instead of 'similar', and 'validate' for pattern checks. The 'pattern' action is replaced by dev_search, and 'relationships' by dev_refs.
- Created PatternAnalysisService in @lytics/dev-agent-core - 5 core patterns: file size, testing, imports, error handling, types - Pattern comparison against similar files - 31/31 tests passing with comprehensive fixtures - Integrated PatternAnalysisService into InspectAdapter - Removed action parameter (single-purpose tool) - Added patternsAnalyzed field to output schema - Real pattern analysis in compact & verbose formats - 18/18 tests passing with dedicated fixtures - Clean architecture - Barrel exports for types - Fixtures excluded from compilation, linting, and type-checking - Separate fixture sets for unit (core) and integration (adapter) tests Test coverage: - PatternAnalysisService: 31 tests ✅ - InspectAdapter: 18 tests ✅ - Build: successful ✅
BREAKING CHANGE: dev_inspect no longer requires 'action' parameter Major Changes: - Refactored dev_inspect to single-purpose tool (finds similar files + pattern analysis) - Created PatternAnalysisService with 5 pattern extractors (imports, error handling, types, testing, size) - Optimized pattern analysis with batch scanning (5-10x faster) - Fixed semantic search to use document embeddings instead of path strings - Fixed --force flag to properly clear vector store - Removed outputSchema from all 9 MCP adapters to fix Cursor/Claude compatibility - Added extension filtering for relevant file comparisons Performance Improvements: - Batch scan all files in one pass (1 ts-morph initialization vs 6) - Added searchByDocumentId for embedding-based similarity - Pattern analysis now 500-1000ms (down from 2-3 seconds) Bug Fixes: - Fixed findSimilar to search by embeddings, not file paths - Fixed force re-index to actually clear old data - Fixed race condition in LanceDB table creation - Fixed all MCP protocol compliance issues New Features: - Test utilities in core/utils (reusable isTestFile, findTestFile) - Vector store clear() method - searchByDocumentId() for similarity search - Comprehensive pattern analysis (5 categories) Documentation: - Updated README.md with pattern categories - Updated CLAUDE.md with new dev_inspect description - Complete rewrite of dev-inspect.mdx website docs - Added migration guide from dev_explore Tests: - All 1100+ tests passing - Added 10 new test-utils tests - Pattern analysis service fully tested
- Add v0.8.5 changelog entry to website - Update latest-version.ts with new release info - Update tools index with v0.8.5 marker - Update changeset to use patch bumps for all packages - Fix all v0.9.0 references to v0.8.5 - Document pattern analysis features and performance improvements
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Summary
Refactored
dev_inspectwith comprehensive pattern analysis and 5-10x performance improvements.Changes
Pattern Analysis
PatternAnalysisServicewith 5 pattern extractors:Performance Improvements
.tsonly compares with.ts)Bug Fixes
findSimilarto use document embeddings (not file paths)--forceflag to properly clear vector storeoutputSchemafrom all 9 MCP adapters (Cursor/Claude compatibility)New Features
@lytics/dev-agent-core/utilsclear()andsearchByDocumentId()methodsAPI Changes
Simplified
dev_inspectinterface:The tool now automatically finds similar files AND performs pattern analysis.
Documentation
Testing
Version Bumps (patch releases)
@lytics/dev-agent: 0.8.4 → 0.8.5@lytics/dev-agent-mcp: 0.5.3 → 0.5.4@lytics/dev-agent-core: 0.9.2 → 0.9.3@lytics/dev-agent-cli: 0.6.0 → 0.6.1