Last message in conversation can disappear #18568

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1. github-actions

   added

   bugSomething isn't workingSomething isn't working

   platform:macosIssue specifically occurs on macOSIssue specifically occurs on macOS

   area:tui

   on Jan 16, 2026
2. hyphaene commented on Jan 16, 2026

   

   hyphaene

   on Jan 16, 2026

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   👍React with 👍1Reacted by elfie
3. hyphaene commented on Jan 16, 2026

   

   hyphaene

   on Jan 16, 2026

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   Additional context:

   I've experienced this issue multiple times across different scenarios:

   1. Mid-conversation truncation: Several conversations where my last request gets cut off - the message disappears and is not present in the local history.
   2. Multi-session workflow: I work with multiple prompts/sessions. When I switch back to a previous session, some last messages are gone.
   3. Session close/reopen: I closed a session, reopened it, and the last message had disappeared from the conversation.

   Screenshot attached showing the issue across 3 sections:

   • Section 1 (left): Original session page (bottom part) - Shows the complete message block with "Analyse du skill /xx" followed by a detailed analysis
   • Section 2 (middle): Original session page (top part) - Shows the session context with line numbers and code, proving this is the same session
   • Section 3 (right): Reopened session - The entire analysis block is completely gone, and the message is truncated mid-content

   The annotated areas highlight: "this whole block is completely gone", "same message" (proving continuity), and "missing end of message from session".

   This affects both the visual display and the persisted local history - the messages don't come back after restart.

   👍React with 👍1Reacted by elfie
4. COGSY321 commented on Jan 22, 2026

   

   COGSY321

   on Jan 22, 2026

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   YA I've been having this same problem with the claude app. I send a message, the Orange wheel spins for 3 seconds then the message gets deleted. The conversation gets stalled and I cant send another more messages in this conversation. 1-2 weeks ago this was not happening. The conversation would condense and we carry on.
5. deafsquad commented on Feb 1, 2026

   

   deafsquad

   on Feb 1, 2026

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   Additional reproduction info (Windows):

   The issue appears to be related to how the session ends:

   • Interrupt (Ctrl+C / closing terminal): Last assistant message is lost on resume
   • Clean exit (/exit command): Last assistant message is preserved on resume

   This suggests the session file isn't being flushed/finalized properly when the session is interrupted vs cleanly exited.

   Tested on Windows with Claude Code 2.1.29.
6. github-actions

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   staleIssue is inactiveIssue is inactive

   on Feb 16, 2026
7. hyphaene

   closed this as completedon Feb 23, 2026
8. github-actions commented on Mar 3, 2026

   

   github-actionsBot

   on Mar 3, 2026 – with GitHub Actions

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   This issue has been automatically locked since it was closed and has not had any activity for 7 days. If you're experiencing a similar issue, please file a new issue and reference this one if it's relevant.
9. github-actions

   locked as resolved and limited conversation to collaborators on Mar 3, 2026