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fix(web): expand clicked file in sidebar diff - #20101
juliusmarminge merged 10 commits into
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ApprovabilityVerdict: Approved at Macroscope's review found this PR approvable — This is a localized one-file fix that makes an already-supported selected diff file expand and scroll into view, including lazy-loaded turn diffs, while preserving existing expansion defaults and other file states. It introduces no schema, deployment, product-default, or static-analysis changes. You can add or adjust custom eligibility rules. Learn more. |
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📝 Walkthrough
Merge Risk: ⚪ Minimal · up to
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| Check name | Status | Explanation |
|---|---|---|
| Linked Issues check |  |
Issue [#20100] requires the selected file in a completed turn to expand and scroll into view. DiffPanel.tsx now handles selected files for lazy and non-lazy diffs, expands the file, requests tree re… |
| Out of Scope Changes check | |
The production change is limited to apps/web/src/components/DiffPanel.tsx. The added browser tests cover the file expansion and reveal behavior required by issue [#20100]. The diff shows no unrelate… |
| Title check | |
The title clearly and concisely describes the primary fix: expanding the clicked file in the web diff sidebar. |
| Description check | |
The description explains the problem and implementation, links the relevant issues, and provides detailed verification results, limitations, screenshots, and a recording. It does not use the template … |
Full details: Linked Issues check
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Explanation
Issue [
#20100] requires the selected file in a completed turn to expand and scroll into view.DiffPanel.tsxnow handles selected files for lazy and non-lazy diffs, expands the file, requests tree reveal after the file exists, and records the reveal only after success. The reveal key includes the collapse scope, path, and request ID. This preserves sibling expansion state and allows a new reveal after a scope change.DiffPanel.browser.test.tsxcovers delayed turn data, delayed Git patches, sibling choices, collapsed and expanded defaults, repeated selections, and scope changes.
Full details: Out of Scope Changes check
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Explanation
The production change is limited to
apps/web/src/components/DiffPanel.tsx. The added browser tests cover the file expansion and reveal behavior required by issue [#20100]. The diff shows no unrelated capability, default, wire, or server change.
Full details: Description check
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Explanation
The description explains the problem and implementation, links the relevant issues, and provides detailed verification results, limitations, screenshots, and a recording. It does not use the template headings or explicitly document maintainer approval or an approval exemption, but the required information is mostly present.
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Reveal and expand files selected from chat in turn diffs. Preserve other files and configured expansion defaults, and wait for patch availability before recording a reveal request. Models: Claude Opus 5.5 and GPT-6.1-Sol Harnesses: Claude Code and Codex
Exercise turn and lazy diffs with collapsed defaults, delayed patches, sibling expansion state, and scope changes using the existing jsdom and atom registry setup.
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Actionable comments posted: 1
- 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @apps/web/src/components/DiffPanel.tsx:
- Line 611: Update the early return guarded by selectedFilePath so it clears
externalRevealRef.current before returning when no file is selected. Keep the
existing reveal behavior unchanged when a file is selected.
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📒 Files selected for processing: 2
apps/web/src/components/DiffPanel.test.tsxapps/web/src/components/DiffPanel.tsx
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Taking over this one for batch worktree-git-13. I will rebuild the focused file-reveal fix on current main, reduce the tests to useful behavior coverage, and verify it before pushing to this branch. |
…intainer-feedback
Co-authored-by: Julius Marminge <julius0216@outlook.com> (cherry picked from commit 0c9717b) Backport: drops the browser test; v0.1.0 has no browser test project.
Clicking a file in a completed turn opened the sidebar with the selected file still collapsed. Route turn selections through the same expand-and-reveal path as the file tree, and record a reveal only once the file exists. This preserves sibling expansion choices and waits for asynchronous patches. Patch refreshes and viewer remounts do not replay an earlier file selection; clicking that file again explicitly reveals it.
Fixes #20100. Related: #15401.
Rebuilt from @NickAwrist's #20101, preserving the contributor's commits and merging main. The original three substitute-viewer tests were replaced with two tests using the real viewer and file tree (299 → 226 test lines).
Verification:
Both captures use the same fixture, 1280×800 viewport, and collapsed default. This host's preview had missing font metrics; the same page-only Liberation Sans override was applied to both captures without changing application code.
Before: selected beta.ts stays collapsed.
After: selected beta.ts expands.
Recording: selecting files preserves the opened sibling
Models: Codex GPT-6-astra (tests), GPT-6.1-sol (implementation), GPT-6-sol and Claude Opus 5.5 (independent reviews). Harnesses: Codex and Claude Code, delegated through T3 Code.