## Why
The TUI automatically canceled MCP user verification requests, preventing users from completing verification and approving them.
## What changed
- Show verification prompts for active and inactive threads, with actions to verify and approve or cancel.
- Run approved verification through the local app-server's `userVerification/verify` RPC and return the proof to the original request. Cancel on failure and show a warning in the requesting thread; remote workspaces remain unsupported.
- Deduplicate prompts, preserve foreground streaming when another thread requests verification, and surface queued prompts when returning from a side conversation.
- Cancel verification when its thread is discarded and ignore stale results after cancellation.
## Testing
Add RPC, routing, and snapshot tests covering successful verification, unsupported binaries and remote workspaces, cancellation and late proofs, prompt replay, side conversation switching, and foreground stream preservation.
GitOrigin-RevId: 2ae12f47c443e17de25f4ec033f6078ac28b1e03
riley-oai
c7f81afc19