Real app verification on Linux / Chromium collaborative preview, 1280x800, isolated worktree home.
Base b5a226e49c52ecab4ddc2d678a7012d97e651a6a; after 25589e9002.
Base: Codex GPT-6-Astra, finished source turn returning TRIAGE_SOURCE_OK. Fork from this response. Finished fork turn with LUNAR_15063, returning TRIAGE_FORK_OK. Click Lineage Merge back. Source shows only original turn: no Context handoff pending. Send marker recall prompt: Context handoff appears; response LUNAR_15063.
After: finish another turn in same fork with SECOND_15063, reply SECOND_OK. Click Lineage Merge back. Source immediately shows Context handoff pending, Codex to GPT-6-Astra. Send second-marker recall prompt: pending row disappears, persisted Context handoff appears; reply SECOND_15063.
Attempt Codex GPT-6.1-Sol: fresh source turn SOURCE_SOL completed; fork turn interrupted by dev-server watch restart when packages test cache changed. This attempt is incomplete, not counted as verification.
No Electron/native mobile verification.