chore(pierre): upgrade @pierre/diffs to 1.1.19

[benvinegar]

Summary

• upgrade @pierre/diffs from ^1.1.0 to ^1.1.19
• update Hunk's Pierre render options to satisfy the newer RenderDiffOptions contract
• verify the current low-level Pierre integration still typechecks and passes targeted diff tests

What changed

• bumped @pierre/diffs in package.json
• refreshed bun.lock
• added useTokenTransformer: false and maxLineDiffLength: 10_000 in src/ui/diff/pierre.ts

Notes

• existing imports in src/ui/diff/pierre.ts, src/core/loaders.ts, src/opentui/index.ts, and test helpers remained valid
• Hunk's flattening pipeline already matches the newer Pierre output assumptions we care about here, including direct color: styles and data-diff-span emphasis markers

Verification

• bun run typecheck
• bun test src/ui/diff/pierre.test.ts src/ui/diff/reviewRenderPlan.test.ts src/ui/lib/hunks.test.ts src/ui/lib/ui-lib.test.ts

This PR description was generated by Pi using GPT-5 Codex

[greptile-apps]

Greptile Summary

This PR bumps @pierre/diffs from ^1.1.0 to ^1.1.19 (along with its @pierre/theme transitive dependency from 0.0.22 to 0.0.28) and adds two new fields — useTokenTransformer: false and maxLineDiffLength: 10_000 — to the shared Pierre render options to satisfy the updated RenderDiffOptions contract. The existing flattenHighlightedLine logic already handles the direct color:#... style output that useTokenTransformer: false produces, so the integration remains consistent.

Confidence Score: 5/5

Safe to merge — targeted dependency bump with a minimal, correct options change.

The change is a straightforward version bump. The two new option fields are added symmetrically to both themes, and the existing HAST flattening code already handles the direct color:#... output produced by useTokenTransformer: false. No logic, interface, or behavioural changes outside of the render config.

No files require special attention.

Important Files Changed

Filename	Overview
src/ui/diff/pierre.ts	Adds useTokenTransformer: false and maxLineDiffLength: 10_000 to both light and dark render option objects to satisfy the @pierre/diffs@1.1.19 RenderDiffOptions contract; no logic changes.
package.json	Version range for @pierre/diffs bumped from ^1.1.0 to ^1.1.19.
bun.lock	Lock file updated to resolve @pierre/diffs@1.1.19 and its transitive dependency @pierre/theme@0.0.28.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A["loadHighlightedDiff()"] --> B["prepareHighlighter()\n(shiki-wasm)"]
    A --> C["renderDiffWithHighlighter()\n@pierre/diffs 1.1.19"]
    C -->|"useTokenTransformer: false\nmaxLineDiffLength: 10_000"| D["HAST output\n(direct color:# styles)"]
    D --> E["aliasHighlightedContextLines()"]
    E --> F["flattenHighlightedLine()\n(handles CSS var OR direct color)"]
    F --> G["buildSplitRows / buildStackRows\n→ RenderSpan[]"]

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