# Session 0034.0 — Transcript > App: vscode-cowriting-plugin > Start: 2026-06-12T03-28 (PST) > Type: planning-and-executing > Status: **PLACEHOLDER — claimed at session start; finalized at session end.** > > This file reserves session ID 0034 for vscode-cowriting-plugin. The driver replaces this > body with the full transcript and renames the file to its final > SESSION-0034.0-TRANSCRIPT-2026-06-12T03-28--.md form at session end. ## Launch prompt ``` /goal plan-and-execute #38 (undo renders wrong marks in the F10 review preview, P1) — reproduce the wrong-marks-after-undo case, find which layer (F3 attribution spans / F4 proposal anchors) goes stale on undo and reconcile it, confirm across edit→undo→redo ``` ## Deferred decisions _Autonomous-mode low-confidence calls the driver made and would have liked operator input on. Appended as the session runs; surfaced at finalize. Empty if none._