real dev verification, 2026-10-28, linux boat vm
web client driven using repository Playwright and /usr/bin/google-chrome.
project and codex gpt-6.1-sol turns created through the web UI.
actual provider MCP calls below, extracted from this verification thread only.
controlled busy state: preview_evaluate scheduled a 25-second JavaScript busy loop on the real dev app pairing page. no mocked browser, provider or server.

github/main 9f33a1c836
2026-10-28T10:10:39.149Z t3-code.preview_status: 12ms; completed
2026-10-28T10:10:42.938Z t3-code.preview_open: 6160ms; completed
2026-10-28T10:10:51.535Z t3-code.preview_snapshot: 115ms; completed; accessibility tree present
2026-10-28T10:10:56.254Z t3-code.preview_evaluate: 13ms; completed
2026-10-28T10:10:56.269Z t3-code.preview_snapshot: 106ms; completed; accessibility tree present
2026-10-28T10:11:05.020Z t3-code.preview_snapshot: 10024ms; Preview automation snapshot timed out after 15000ms.
2026-10-28T10:11:22.749Z t3-code.preview_snapshot: 108ms; completed; accessibility tree present
2026-10-28T10:11:36.217Z t3-code.preview_act: 70ms; completed
2026-10-28T10:11:36.288Z t3-code.preview_snapshot: 110ms; completed; accessibility tree present; textbox active
2026-10-28T10:11:36.399Z t3-code.t3_preview_close: 19ms; completed

PR 71dd2616b70e3242257bfe7264f1e73f4c6c1cc7, explicit isolated home
2026-10-28T10:24:00.344Z t3-code.preview_status: 26ms; completed
2026-10-28T10:24:00.385Z t3-code.preview_open: 6102ms; completed
2026-10-28T10:24:10.773Z t3-code.preview_snapshot: 214ms; completed; accessibility tree present
2026-10-28T10:24:15.279Z t3-code.preview_evaluate: 12ms; completed
2026-10-28T10:24:15.294Z t3-code.preview_snapshot: 185ms; completed; accessibility tree present
2026-10-28T10:24:15.481Z t3-code.preview_snapshot: 207ms; completed; accessibility tree present
2026-10-28T10:24:15.699Z t3-code.preview_snapshot: 10014ms; Preview automation snapshot timed out after 10000ms. Waiting for: screenshot.
2026-10-28T10:24:30.120Z t3-code.preview_snapshot: 10013ms; Preview automation snapshot timed out after 10000ms. Waiting for: frames.
2026-10-28T10:24:51.531Z t3-code.preview_snapshot: 195ms; completed; accessibility tree present
2026-10-28T10:25:03.649Z t3-code.preview_click: 74ms; completed
2026-10-28T10:25:03.725Z t3-code.preview_snapshot: 174ms; completed; accessibility tree present; textbox active
2026-10-28T10:25:03.902Z t3-code.t3_preview_close: 17ms; completed

blacksmith: vp test run apps/server/src/mcp/PreviewAutomationBroker.test.ts apps/server/src/preview/ServerBrowserPage.test.ts
2 files passed, 51 tests passed. remote Chromium installed after initial missing-browser setup failure.