VSCode extension: session shows "Chat processing error" then resets to blank welcome screen after Cmd+Q relaunch

Status Open
Maintainer reply None cached
Activity 0 comments · opened Sep 16, 2026

Steps to reproduce:

  1. Work in a session using the Claude Code VSCode extension
  2. Quit the app with Cmd+Q
  3. Reopen

Observed:
The tab is labeled "Chat processing error" with an empty pane. Reopening/refocusing lands on the default new-chat welcome screen instead of resuming the prior conversation.

Confirmed NOT data loss:
The session's .jsonl transcript on disk kept saving and growing normally during a prior occurrence of this bug — the issue appears to be in the extension's session-resume/error-state UI, not in persistence.

Frequency:
Recurred 3 times in one day on the same machine.

Environment:

  • macOS Darwin 24.6.0
  • Claude Code VSCode extension

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