Benjamin Carlsson 440312f113 Keep TUI session selections bound to their backend (#54681) ...

## Why

A thread ID alone does not identify the backend that owns a session. Resume and fork selections must retain that ownership across connection replacement so they cannot operate on another backend, even when thread IDs match.

## What changed

- Add a process-local `BackendId` to app-server sessions and session targets, preserving it across reconnects and auxiliary picker connections.
- Reject selections from a different backend before changing session state or sending resume, fork, or unarchive requests.
- Disable local-daemon fallback to an embedded server for auxiliary pickers and after selecting a session, while retaining fallback for fresh startup.

## Testing

Add regression coverage for foreign selections with matching thread IDs, startup resume and fork rejection before requests, shared ownership across picker connections, and fallback eligibility.

GitOrigin-RevId: 05a3ca0a901a8dc24337d130548aa2c048b4d586

2026-10-16 19:13:40 +00:00

..

snapshots

Prune TUI snapshots and consolidate behavior tests (#50808)

2026-10-04 06:46:50 +00:00

account.rs

feat(tui): reland token activity command (#27925)

2026-06-12 17:33:43 -07:00

card.rs

Preserve status usage hyperlinks when the URL wraps (#51457)

2026-10-06 19:10:59 +00:00

format.rs

Render /status without borders and wrap long values (#48754)

2026-09-27 17:31:45 +00:00

helpers.rs

Update and centralize TUI subscription labels (#49079)

2026-09-28 20:59:25 +00:00

mod.rs

Render /status without borders and wrap long values (#48754)

2026-09-27 17:31:45 +00:00

rate_limits.rs

Honor the system clock preference across more TUI timestamps (#47321)

2026-09-22 16:23:59 +00:00

remote_connection.rs

Allow restarting managed background servers from the TUI (#53173)

2026-10-11 17:43:08 +00:00

tests.rs

Keep TUI session selections bound to their backend (#54681)

2026-10-16 19:13:40 +00:00

thread_usage_tests.rs

Use a generic fallback model name in status tests (#42657)

2026-09-04 02:24:54 +00:00

thread_usage.rs

Add Luna Reserve usage fallback to the TUI (#42372)

2026-09-02 21:50:51 +00:00