tegwick
0871f79d2d
Draft two proposed workplans instead of expanding this slice: - EANCH-WP-0002 anchor-resolution-hardening (stale/orphan, fuzzy re-anchoring, promote PdfSpikeViewer to a production PDFViewerAdapter) - EANCH-WP-0003 non-pdf-selectors (HTML/Markdown DomRange+Structural, non-PDF viewer adapter; starts with a citation-engine shared-type contract change) Add an explicit gap map to WP-0001 T06. fix-consistency (C-06) will register both in the hub during T07. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
110 lines
3.4 KiB
Markdown
110 lines
3.4 KiB
Markdown
---
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id: EANCH-WP-0003
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type: workplan
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title: "Non-PDF selectors: HTML/Markdown DOM range + structural anchoring"
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domain: infotech
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repo: evidence-anchor
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status: proposed
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owner: codex
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topic_slug: citation_evidence_mvp
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created: "2026-07-08"
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updated: "2026-07-08"
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spec_refs:
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- INTENT.md
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- SCOPE.md
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- ../citation-evidence/wiki/SharedContracts.md
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- ../citation-evidence/docs/decisions/ADR-0006-selector-ownership-split.md
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---
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# EANCH-WP-0003 — Non-PDF Selectors (HTML / Markdown)
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## Goal
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Extend anchoring beyond PDFs to non-paginated documents (HTML, Markdown),
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delivering the `DomRangeSelector` and `StructuralSelector` concepts that
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`INTENT.md` names but the MVP left as `never`. The extracted package already
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models format-neutral resolution (`DocumentViewerAdapter`, canonical-text
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selectors); this workplan fills in the DOM branch of `SelectionCapture` and a
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concrete HTML/Markdown viewer adapter.
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Depends on the extraction (`EANCH-WP-0001`) being complete. Independent of the
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resolution-hardening track (`EANCH-WP-0002`) except where both touch the shared
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enum — coordinate contract changes in the umbrella wiki first.
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## Background
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- `src/types.ts`: `DomSelectionCapture = never` (reserved) — the capture union
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only has a PDF branch today.
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- `citation-engine` shared selector types already declare `DomRangeSelector`
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and `StructuralSelector` as `never` placeholders; promoting them is a
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shared-contract change and must land in `citation-engine` first (ADR-0006:
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selector *types* live in engine).
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## Task Breakdown
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## T01 — Contract: promote DomRange/Structural selector types in citation-engine
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```task
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id: EANCH-WP-0003-T01
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status: todo
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priority: high
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```
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Define the real `DomRangeSelector` and `StructuralSelector` shapes (DOM path +
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range offsets; heading/section/block/AST path) in `citation-engine`'s shared
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selector module, plus the `DomSelectionCapture` payload contract in the wiki.
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Land this in the engine + `SharedContracts.md` before writing anchor behavior.
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## T02 — Selector creation from a DOM/Markdown selection
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```task
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id: EANCH-WP-0003-T02
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status: todo
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priority: high
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depends_on: [T01]
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```
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Implement `createSelectors` for the DOM branch: build TextQuote + TextPosition
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(against canonical text) plus DomRange + Structural selectors from a captured
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DOM selection. Add unit tests mirroring the PDF create tests.
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## T03 — Resolution for non-paginated documents
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```task
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id: EANCH-WP-0003-T03
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status: todo
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priority: high
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depends_on: [T02]
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```
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Extend `resolveSelectors` to resolve DomRange/Structural selectors and rank
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them in the confidence ladder alongside the existing text selectors, keeping
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paginated (PDF) and non-paginated resolution on shared concepts. Tests for
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re-render stability (structural fallback when offsets shift).
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## T04 — HTML/Markdown viewer adapter
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```task
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id: EANCH-WP-0003-T04
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status: todo
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priority: medium
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depends_on: [T03]
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```
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Add a `DocumentViewerAdapter` implementation for rendered HTML/Markdown
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(selection capture, scroll-to-target, highlight render), behind a subpath
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export analogous to `evidence-anchor/pdf`, with viewer-specific deps confined
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to that boundary.
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## T05 — Verification + close-out
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```task
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id: EANCH-WP-0003-T05
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status: todo
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priority: high
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depends_on: [T04]
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```
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Package green (`pnpm test`/`typecheck`/`lint`); engine contract change verified
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in `citation-engine`; any umbrella consumer green; `fix-consistency` clean;
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progress note.
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