CodeDebrief v0.16.0

Highlights

• Added multi-repo sibling source roots for setup and indexing.
• Improved CLI progress messages for setup, update, validate, and related flows.
• Optimized MCP and update hot paths with cached models, indexed query candidates, lazy runtime loading, and reusable artifact hashes.
• Fixed sync validation so check-only validation does not prime the incremental update cache.

Verification

• ruff check and format check
• mypy
• pytest with coverage
• codedebrief validate --check-sync --json
• viewer typecheck, tests, and build
• render-only viewer generation
• PyPI package published as codedebrief 0.16.0