v1.14.51

## Core

### Improvements

- Added experimental background subagents so tasks can keep running while you continue working.
- Added the required billing origin header for NVIDIA endpoints. (@nv-kasikritc)

### Bugfixes

- Fixed worktree creation requests that omitted the POST body.
- Fixed sessions getting stuck with interrupted assistant messages after cancellation.
- Fixed repeated auto-compaction in sessions after compaction reordered messages.
- Updated LiteLLM compatibility to require `v1.85.0-rc.2+` for current GPT-5 and tool-call behavior. (@Sameerlite)
- Fixed truncated shell output streams closing cleanly.
- Stopped exposing internal named defect details from the HTTP API.
- Fixed Azure `gpt-5.5` requests through the completions API. (@frederiknsgo)
- Restored automatic image resizing for oversized image attachments.

## TUI

### Bugfixes

- Preserved text selection when clicking question prompt options. (@nikhil-patel-whatnot)

## Desktop

### Improvements

- Added MCP connection status for client registration and authentication, with direct re-auth flows in the app. (@OpeOginni)

### Bugfixes

- Fixed Windows app detection by reading `where` output correctly.

## Extensions

### Bugfixes

- Fixed DigitalOcean OAuth to request only the GenAI scopes it needs. (@Spherrrical)

**Thank you to 7 community contributors:**
- @nikhil-patel-whatnot:
  - fix(tui): preserve text selection on question prompt options (#24988)
- @frederiknsgo:
  - fix: bug encountered when using azure gpt-5.5 w/ completions api (#26222)
- @OpeOginni:
  - feat(desktop): add mcp client registration status and authentication handling (#27525)
- @Sameerlite:
  - fix(provider): remove LiteLLM workarounds ported upstream, requires LiteLLM v1.85.0-rc.2+ (#26819)
- @bo-tato:
  - docs(app): stale reference to removed multi-edit tool (#27579)
- @Spherrrical:
  - fix(plugin): scope digitalocean oauth to genai (#27599)
- @nv-kasikritc:
  - feat(provider): add NVIDIA endpoints origin header (#27394)