Electron Desktop E2E Record: Diff Review and Commit

Date: 2026-04-25

Slice

Slice 12 basic diff review and commit.

User-Visible Scenario

Launch the desktop app with a temporary HOME/QWEN_RUNTIME_DIR and fake ACP.
Open a temporary Git workspace with an initial commit.
Modify a tracked file and create an untracked file.
Verify the right Review panel lists changed files and textual diff content.
Stage all changes from the Review panel.
Enter a commit message and commit.
Verify the Review panel returns to a clean state.

Assertions

GET /api/projects/:id/git/diff returns modified and untracked files.
The Review panel shows changed file count and diff text.
POST /api/projects/:id/git/stage updates Git status from modified/untracked to staged.
POST /api/projects/:id/git/commit creates a commit and returns a clean status.
POST /api/projects/:id/git/revert cleans tracked and untracked changes when explicitly invoked.
Commit and Git errors are displayed in the review area.

Diagnostics on Failure

Save renderer screenshot.
Save renderer console errors and failed network requests.
Save Electron main stdout/stderr.
Save git -C <workspace> status --porcelain=v1 --branch.
Save git -C <workspace> diff and git -C <workspace> diff --cached.
Save DesktopServer responses for diff/stage/revert/commit routes.

Automated Coverage Added This Iteration

The full Electron E2E harness is still pending. This iteration added server-level coverage in packages/desktop/src/server/index.test.ts:

opens a registered project and reads /git/diff;
verifies modified and untracked files are returned with diff text;
stages all changes and verifies status counts;
commits staged changes and verifies a clean status;
reverts all changes and verifies the workspace returns to the initial file content.

Execution Results

npm run test --workspace=packages/desktop passed: 8 files, 50 tests.
npm run typecheck --workspace=packages/desktop passed.
npm run lint --workspace=packages/desktop passed.
npm run build --workspace=packages/desktop passed.

Remaining Risk

Hunk-level accept/revert, inline comments, Open in Editor, and real Electron renderer assertions are not complete yet. They remain required before the MVP can be marked done.

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