refactor(ui): extract planned row text projection

[benvinegar]

Summary

• extract decorated and code-only planned-row text projection into plannedRowText.ts
• keep clipboard output driven by canonical code-row layout and styled-span wrapping
• move inline-note title formatting into a non-component annotation presentation helper
• update clipboard, conformance, and OpenTUI consumers to focused imports

Stack

• depends on refactor(ui): extract code row layout #869

Validation

• 202 focused layout, wrapping, clipboard, annotation, and conformance tests
• PTY coverage
• bun run typecheck
• bun run lint
• bun run deps:check
• bun run build:npm
• independent review: PASS

The unchanged local runtime-module resolver assertion remains the only full-suite issue.

This PR description was generated by Pi using gpt-5.6-sol

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
hunk-web	Ignored	Preview	Aug 27, 2026 1:51am

[greptile-apps]

Greptile Summary

This PR separates canonical diff-row geometry, styled-span wrapping, and plain-text projection from the React renderer while preserving focused imports for clipboard, OpenTUI, annotations, geometry, and conformance consumers.

• Extracts code-row layout into codeRowLayout.ts.
• Extracts decorated and code-only row projection into plannedRowText.ts.
• Extracts shared span slicing and wrapping into styledSpanLayout.ts.
• Moves inline-note title formatting into the annotation presentation helper.
• Updates consumers and focused tests to use the new module boundaries.

Confidence Score: 5/5

The PR appears safe to merge because the extraction preserves the existing rendering, geometry, clipboard, and annotation behavior without an identified actionable regression.

The new layout, projection, and span modules retain the prior algorithms, form an acyclic dependency graph, and keep measurement, React painting, and clipboard projection connected through shared geometry and wrapping helpers.

Important Files Changed

Filename	Overview
src/ui/diff/plannedRowText.ts	Extracts sanitized decorated and code-only row text projection from the renderer without an identified behavioral regression.
src/ui/diff/codeRowLayout.ts	Centralizes canonical split/stack width reservation and row-height measurement while preserving the former planning logic.
src/ui/diff/styledSpanLayout.ts	Moves grapheme-aware styled-span slicing, wrapping, and measurement into a shared acyclic utility.
src/ui/diff/renderRows.tsx	Narrows the React renderer to painting and interaction while consuming the extracted canonical layout and span helpers.
src/ui/components/panes/copySelection.ts	Updates clipboard and word-selection consumers to focused layout and projection imports and removes the unused theme dependency.
src/ui/lib/agentAnnotations.ts	Hosts the unchanged inline-note title formatter so component and plain-text presentation share one implementation.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart LR
  Plan[Planned review row] --> Geometry[codeRowLayout]
  Spans[Styled code spans] --> Wrapping[styledSpanLayout]
  Wrapping --> Geometry
  Geometry --> Renderer[renderRows React paint]
  Geometry --> Projection[plannedRowText]
  Wrapping --> Renderer
  Wrapping --> Projection
  Projection --> Clipboard[Copy selection]
  Projection --> OpenTUI[OpenTUI labels and empty-diff messages]
  Projection --> Conformance[Conformance consumer]
  Annotations[agentAnnotations title helper] --> Renderer
  Annotations --> Projection

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_{Reviews (1): Last reviewed commit: 759f5bc | Re-trigger Greptile}