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evidence-source/workplans/ESRC-WP-0003-metadata-enrichment.md
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feat(pdf): extract standalone PDF ingest package (ESRC-WP-0001) 
Bootstrap evidence-source from the citation-evidence src/source PDF slice.

- Headless core (src/pdf): ingest/extract/fingerprint, importing domain
  contracts from @citation-evidence/engine/shared (no local copies)
- Browser upload helpers isolated under src/browser behind a ./browser
  entry point, with an eslint boundary keeping the core browser-free
- pnpm/TS/vitest/eslint scaffold; 52 tests (contract + determinism)
- Fixtures resolved from the sibling citation-evidence checkout, not
  duplicated (real PII) — see docs/ADR-0002; suites skip when absent
- Boundary + fixture decisions recorded as docs/ADR-0001 / ADR-0002
- README/SCOPE rewritten; capability.infotech.pdf-evidence-ingest
  registered, NO_CAPABILITIES removed
- Follow-on workplans ESRC-WP-0002..0004 queued; ESRC-WP-0001 finished

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-08 20:55:28 +02:00

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id type title domain repo status owner topic_slug created updated spec_refs
ESRC-WP-0003 workplan Document metadata enrichment beyond pass-through options infotech evidence-source proposed codex citation_evidence_mvp 2026-07-08 2026-07-08
README.md
src/pdf/ingest.ts

ESRC-WP-0003 — Metadata enrichment

Today ingestPdf only passes through caller-supplied title/uri/metadata. This workplan extracts intrinsic document metadata (PDF info dictionary, embedded XMP, page-derived signals like author/creation date/title) and folds it into the Document record without breaking the pure-over-bytes contract.

Sketch

id: ESRC-WP-0003-T01
status: todo
priority: low

Enumerate available PDF metadata sources (info dict, XMP) via PDF.js and decide precedence vs. caller-supplied options (caller wins).

id: ESRC-WP-0003-T02
status: todo
priority: low

Implement extraction into a normalized metadata shape; keep it optional so minimal-metadata PDFs still ingest cleanly.

id: ESRC-WP-0003-T03
status: todo
priority: low

Contract tests over the fixture corpus asserting extracted vs. overridden metadata precedence.