v8.0.0

8.0.0 (2026-03-08)

• feat!: replace custom RAG with FlowRAG pipeline (061ddf5)

BREAKING CHANGES

• remove lib/database/ and lib/indexer/ modules,
  all RAG operations now go through @flowrag/* packages.

• Add FlowRAG integration layer (lib/rag/): schema, parser, factory
• Rewire all tools to use FlowRAG storage (KV, vector, graph)
• Drop Mermaid export (JSON/DOT only)
• Remove direct deps: @google/genai, @huggingface/transformers,
  apache-arrow, @lancedb/lancedb, listr2
• Fix all 12 lint warnings (no-explicit-any, unused imports, formatting)
• Exclude type-only files from coverage
• Achieve 100% line/function coverage, 82% branch (249 tests)
• Delete ~930 LOC of custom RAG code (-4301/+2673 net)