- 4 new unit test files (22 tests) for graph-symbols, graph-symbol-resolution,
graph-entrypoints, symbol-graph-cache. All 799 tests pass.
- README/AGENTS/CLAUDE/GEMINI: document codebase_impact, codebase_flow,
codebase_symbol, codebase_symbols and updated workflow guidance.
- DEVELOPER.md: new architectural section for symbol-level call graph,
including sharded storage layout and resolution confidence levels.
- CHANGELOG: Unreleased section for the impact-analysis feature.
- Apply CodeRabbit fixes: dedupe in-flight cache loads, set ImpactResult.truncated
when frontier extends beyond depth limit, drop redundant String() around Lang enum.
- Switch reverse-shard hash from SHA1 to SHA256 (Snyk hardening; non-cryptographic use).