test: add test for vitest browser mode

[wan9chi]

• Enable cli e2e test on Linux in ci and skip failed tests
• Add a test for caching vitest browser mode, stably reproducing the issue of https://github.com/voidzero-dev/vibe-dashboard/actions/runs/18532354385/job/52818262992.

The added vitest browser mode test will be fixed and enabled in #234

[wan9chi]

• chore(fspy): remove ignoring Chromium processes #249
• refactor(fspy): use shared memory IPC on Windows #239
• fix(task): use shared memory for fspy ipc #234
• test: add test for vitest browser mode #235 👈 (View in Graphite)
• main

This stack of pull requests is managed by Graphite. Learn more about stacking.

[Copilot]

Pull Request Overview

This PR adds end-to-end snapshot tests for Vitest’s browser mode and stabilizes snapshots across platforms, especially macOS symlink paths and timing units.

• Add Vitest browser mode snap test and related fixtures
• Normalize duration outputs (including µs) and resolve tmpdir symlink to stabilize in snapshots
• Update CI to run E2E on Ubuntu/mac and install Playwright Chromium

Reviewed Changes

Copilot reviewed 15 out of 16 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
pnpm-workspace.yaml	Adds @vitest/browser and playwright to catalog to support browser-mode tests
packages/tools/src/utils.ts	Extends unstable output normalization to include µs and adjusts duration replacement placement
packages/tools/src/snap-test.ts	Resolves tmpdir symlink, symlinks node_modules into temp dirs, and adds per-test platform skipping
packages/cli/snap-tests/yarn-install-with-options/steps.json	Adds ignoredPlatforms to skip on Linux
packages/cli/snap-tests/yarn-install-with-options/snap.txt	Updates expected default cwd output after symlink resolution
packages/cli/snap-tests/vitest-browser-mode/vitest.config.ts	Adds Vitest browser mode configuration (Playwright/Chromium)
packages/cli/snap-tests/vitest-browser-mode/steps.json	Defines steps for browser-mode snap test, skipping on Linux
packages/cli/snap-tests/vitest-browser-mode/src/*	Adds simple test and sources used by the browser-mode test
packages/cli/snap-tests/vitest-browser-mode/snap.txt	Snapshot for browser-mode test runs and cache behavior
packages/cli/snap-tests/vitest-browser-mode/package.json	Empty placeholder for test fixture
packages/cli/snap-tests/fingerprint-ignore-test/steps.json	Adds ignoredPlatforms to skip on Linux
packages/cli/package.json	Declares @vitest/browser and playwright as devDependencies for CLI package
.github/workflows/ci.yml	Adds Ubuntu to matrix and installs Playwright Chromium before E2E tests

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}

[Copilot]

Pull Request Overview

Copilot reviewed 15 out of 16 changed files in this pull request and generated 4 comments.

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}

[Copilot]

Pull Request Overview

Copilot reviewed 15 out of 16 changed files in this pull request and generated 1 comment.

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}

[wan9chi]

Merge activity

• Oct 20, 2:43 AM UTC: A user started a stack merge that includes this pull request via Graphite.
• Oct 20, 2:43 AM UTC: @branchseer merged this pull request with Graphite.