[Bug]: "Subagent needs input" badge shows when no subagent is waiting (iOS) #18978

Before submitting

• I searched existing issues and did not find a duplicate.
• I included enough detail to reproduce or investigate the problem.

Area

apps/mobile (iOS)

Steps to reproduce

Not confirmed as deterministic. Observed in one thread:

1. Run a Claude thread (provider claudeAgent) on the desktop server that starts a background shell command.
2. Let the command finish, and the assistant ends its turn with a plain-text question to the user.
3. Open the same thread in the iOS nightly beta app.
4. The thread shows a "Subagent needs input" badge.

Expected behavior

The badge should appear only when a subagent is actually waiting for input. If the thread itself is waiting for the user, the label should not say "Subagent".

Actual behavior

The badge says "Subagent needs input" although no subagent was waiting.

From the provider log for that thread, the only background work in its final stretch was a local shell command. It completed at 10:19:39 CEST (08:19:39Z). No Agent or Task subagent was started in that stretch. The assistant's last message ends with a question to the user, so the badge may be derived from that message text rather than from subagent state.

Impact

Minor bug or occasional failure.

Version or commit

Desktop server v0.0.46-nightly.20261008.2849. iOS app 2.0.0 (Build 122), nightly beta.

Environment

• Server: Linux (CachyOS, kernel 7.2.9-2-cachyos), desktop mode
• Provider: claudeAgent (Claude Agent SDK)
• Client: iOS nightly beta 2.0.0 (Build 122)

Logs or stack traces

[2026-10-13T08:16:29.146Z] background_tasks_changed task_type=local_bash
[2026-10-13T08:19:39.902Z] task_notification task_id=b3rgwaoey status=completed

Related issues

#15082 covers the opposite case: a delegated task that needs input never tells its parent. This report is a false positive, where the badge appears with no subagent waiting.

Workaround

None known.