Easy Message Unqueue with /unqueue

[will-marella]

Summary

Adds /unqueue slash command to remove queued messages without affecting the current assistant response. It also adds a keybind, "session_unqueue" (default: none), so it can be easily configured by users.

Problem

Oftentimes after queueing a message, I decide I want to rewrite it or ask something else altogether. In these cases, I’d like to remove all queued messages from the queue.

Solution

The /unqueue command:

• Removes queued user messages
• Deletes them from persistent storage (clean conversation history)
• Rejects in-memory callbacks (messages never execute)
• Silent operation (no UI clutter)

Demo

opencode-easyunqueue.mp4

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I experimented with introducing an interactable button in the TUI. (Imagine hovering over the QUEUED button and it prompts you to UNQUEUE) But this approach keeps the implementation simple and focused

[ariane-emory]

Neat. There's no way I'm typing a long command name like that by hand, though, I would want the ability to bind it to a key (although the default bindings should be "none", allowing users to bind it to a key it they so choose). Likely only requires adding a couple of lines.

[will-marella]

Neat. There's no way I'm typing a long command name like that by hand, though, I would want the ability to bind it to a key (although the default bindings should be "none", allowing users to bind it to a key it they so choose). Likely only requires adding a couple of lines.

You're right, that should be supported. I've updated the PR.

[Mishkun]

this will fix #4821