PR 32684, head 717ebef125ba50763f88f03caa2cf23ba4a1196d
main baseline: github/main 934c7f8d8e7a012aa55be9c0b17498979040fe02

main worktree: vp i; background vp run dev, server 16733, web 8693.
UI: paired browser; real Codex gpt-6.1-sol turn created and committed a small TypeScript repository with no remote.
UI: added project /home/user/diff-navigation/apps/web; real Codex gpt-6.1-sol turn edited src/greeting.ts.
UI: Open diff > click apps/web/src/greeting.ts.
Observed: The file could not be accessed or read.
Attempted path: /home/user/diff-navigation/apps/web/apps/web/src/greeting.ts.
Stopped captured main process group before starting PR server.

PR: exact head checked out; vp i; background vp run dev --home-dir /home/user/t3code/.t3.
server 13773, web 5733. Same project, thread, and file content copied while main was stopped.
UI: same turn diff header click opens src/greeting.ts with actual edited content.
UI: uncommitted diff header click also opens src/greeting.ts.
UI: real Codex gpt-6.1-sol turn adds farewell function; completes in 17 seconds.
UI: expand tool activity > file edit > Open diff > absolute filename header opens src/greeting.ts with both functions.
UI: changed-file card right-click > Open.
Observed outgoing WebSocket RPC:
{"_tag":"Request","id":112,"tag":"shell.openInEditor","payload":{"cwd":"/home/user/diff-navigation/apps/web/src/greeting.ts","editor":"file-manager"}}
Observed response:
{"_tag":"Exit","requestId":112,"exit":{"_tag":"Success","value":null}}
Observed native Chromium window: file:///home/user/diff-navigation/apps/web/src/greeting.ts, displaying greet and farewell.

Blacksmith: vp i; installed matching Playwright Chromium; ran existing DiffPanel.browser.test.tsx.
Result: 1 file passed, 6 tests passed.
GitCafe status at exact head: 28 successful checks, 0 failing, 0 pending.
No source changes or pushes.

Not exercised live: relative-path Claude Edit with remote, linked worktree threads, status-loading fallback, Electron, native iOS/Android, macOS/Windows, remote/relay/tunnel.
Existing browser test covers project-relative tool-call paths with repository identity.