feat(tui): show live progress for subagents and background tasks - #109
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The single Agent card now lists each sub-tool the subagent runs instead of only the current one. Background subagents get a live transcript line with a spinner, elapsed time, and current activity that transitions in place to the terminal state. The /tasks list shows a running spinner and elapsed time on running rows, and the WaitFor header animates while the wait is in flight.
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feat(tui): show live progress for subagents and background tasks
Problem
The AgentSwarm tool renders a live progress grid, but the single-subagent Agent tool and the
background-task surfaces gave little feedback while running: the single-agent card collapsed every
sub-tool to one "Using X" line, background subagents showed only a static "started in background"
line with no updates until they finished, and the WaitFor header sat static with no running
indicator.
What changed
✓/✗ Used …,… Using …, capped at4 with a hidden count) instead of collapsing to one line.
that transitions in place to the terminal state, so a completed agent no longer produces a second
entry.
/tasksbrowser shows a running spinner and livemm:sselapsed on running rows.No engine, protocol, or wire changes: the change reuses the activity signals already emitted
(
subagent.*,assistant.delta,tool.call.started,tool.progress) and the in-memory subagentactivity store.
Commits in this PR
c10328474— feat(tui): show live progress for subagents and background tasks (Mark Buckaway, 2026-09-13)Testing
npx vitest run test/tui→ 2321/2321 passed (149 files)npx tsc -p tsconfig.json --noEmit→ cleanoxlinton the changed files → 0 errors (the 2 warnings are pre-existing inkimi-tui.tsand unrelated to this change).changeset/agent-task-live-progress.md(@moonshot-ai/kimi-code, patch)