Replace the in-repo src/anchor/ slice with a dependency on the extracted
@citation-evidence/evidence-anchor package (link:../evidence-anchor).
- package.json: add the link dependency
- repoint all @anchor/{index,selectors,types} imports and vi.mock targets to
the package barrel; the node-env anchor-source-roundtrip test uses the pure
./selectors and ./types subpaths (no pdfjs pulled into a node environment)
- drop the @anchor alias from tsconfig paths and vite resolve
- delete src/anchor/ (behavior now owned by evidence-anchor)
Verified green: pnpm typecheck, pnpm test (26 files / 95 tests), pnpm build.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
