v1.4.1 - Comprehensive Test Coverage

🧪 Test Coverage Milestone

This release achieves the 80%+ test coverage threshold required for production readiness.

Highlights

• 236 tests passing (up from 184)
• 80.03% code coverage (up from 54.77%)
• All pre-commit quality gates pass

New Test Files

Test File	Coverage Area	Tests
test_backend_qdrant.py	QdrantBackend operations	12
test_cli_cleanup.py	Cleanup command	7
test_cli_doctor.py	Diagnostics command	11
test_cli_migrate_mode.py	Mode migration	10
test_cli_recover.py	Auto-recovery	12
test_cli_setup.py	Setup wizard	5
test_embedder_ollama.py	Ollama embedder	11
test_embedder_sentence_transformer.py	SentenceTransformer	7
test_mcp_server.py	MCP server	14
test_store_filters.py	Vector store filtering	12

Bug Fixes

• Fixed integration test database state isolation
• Fixed timezone-aware datetime handling in tests
• Fixed test_migration_exception mock patch target

Quality Gates Passed

• ✅ Cyclomatic Complexity ≤ 10
• ✅ Maintainability Index ≥ B
• ✅ Test Coverage ≥ 80%
• ✅ Type Check (mypy strict)
• ✅ Code Quality (ruff + black)

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Full Changelog: v1.4.0...v1.4.1