PR 26996 Linux verification

Baseline: github/main, vp i; vp run dev (isolated /home/user/main/.t3)
{
  "revision": "5fe18d79ac835e0f193ad61325e5b7d69a317bcf",
  "packageManager": "pnpm@12.14.0",
  "virtualStoreDir": ".pnpm",
  "react": "/home/user/main/node_modules/.pnpm/react@19.3.0/node_modules/react",
  "rootNodeModulesEntries": 204940
}

PR exact head: vp i; vp run dev --home-dir /home/user/t3code/.t3-verify
{
  "revision": "e37e7670868d7d2e141734cbd01f3057ff7ac5e3",
  "packageManager": "pnpm@12.14.0",
  "virtualStoreDir": "../../.local/share/pnpm/store/v11/links",
  "react": "/home/user/.local/share/pnpm/store/v11/links/@/react/19.3.0/67e8666cdbd9023619f570a1e887a901195f69afb26361ab76a04792e2d9d769/node_modules/react",
  "electron": "/home/user/.local/share/pnpm/store/v11/links/@/electron/44.10.0/9c58b2efe804250b040be2c91afc1d56c2510a46f9ab7f8db7a59bdcbdd538a8/node_modules/electron",
  "rootNodeModulesEntries": 1758
}

Second PR worktree: vp i --frozen-lockfile completed using pnpm 12.14.0.
React and Electron realpaths match across both PR worktrees.

Vite request to /@fs/<external-react-directory>/index.js: HTTP 200.

Two concurrent node apps/desktop/scripts/ensure-electron-runtime.mjs processes
started with no Electron dist or path.txt:
repair a=0 repair b=0

Both returned the same global-store executable.
Electron --no-sandbox --version: v44.10.0
path.txt: electron
Remaining .t3-* staging and locks: []

Browser: repository Playwright 1.60.0 + /usr/bin/google-chrome.
App-created project: /home/user/verification-repo.
Codex gpt-6.1-sol selected in client and persisted modelSelection.
Baseline read turn: STORE_BASELINE_OK dependency-store verification.
PR read turn: STORE_BASELINE_OK dependency-store verification.
PR follow-up: created verification.txt, read it back, replied STORE_WRITE_OK.
Actual file bytes: shared-store-provider-ok followed by newline.
Client diff: verification.txt +1 -0, correct added line rendered.
Reload: STORE_WRITE_OK persisted; reopened diff rendered correct line.
README.md unchanged.

Blacksmith focused tests:
vp test run packages/shared/src/pnpmVirtualStore.test.ts apps/desktop/scripts/electron-runtime-lock.test.ts apps/mobile/scripts/fingerprint-pnpm-paths.test.ts scripts/build-desktop-artifact.test.ts
4 files passed; 63 tests passed.

Blacksmith Android export:
vp exec --filter @t3tools/mobile -- expo export --platform android --max-workers 2 --output-dir /tmp/pr26996-android-export
Hermes bundle: index-fc487d2920fdb2fd9fe03eee212b8609.hbc (23MB)
Export completed.

Not verified: native mobile execution, native release/runtimeVersion migration, packaged desktop app, macOS/Windows/WSL, filesystem allocation and install-speed claims.