feat(hippocampus): add project-aware content search and pattern classifier

feat: move tool-index to ~/.claude/rules/ for high-priority context loading

fix: add summary column to prevent session-start truncation

docs: add project audit to README and token savings table

feat: project audit — orphan detection + dependency coherence

fix: resolve project roots from config workspaces, not relative path arithmetic

fix: library detection for projects with empty DIR (like shared-library)

feat(hypothalamus): entry point patterns, library detection, archived dirs

fix: add tests/ (plural) to default entry point patterns

fix: handle builtin subpath imports and always write npmImports field

docs: add project audit section to hypothalamus docs

feat(hippocampus): surface audit status in --map output

feat(hypothalamus): audit CLI — project health checker

feat(hypothalamus): checkDependencies — detect npm import/package.json drift

feat(hypothalamus): findOrphans — detect files with zero inbound imports