fix(mothership): a label that stops being a placeholder starts holding the header

Author: waleedlatif1

apps/sim/app/workspace/[workspaceId]/home/components/message-content/components/agent-group/activity-stream.test.tsx

@@ -70,4 +70,14 @@ describe('usePacedActivity', () => {
     act(() => vi.advanceTimersByTime(100))
     expect(show('Looking up the failed run', true, 'call-1')).toBe('Looking up the failed run')
   })
+
+  it('holds a title that matched its placeholder text once the call names itself', () => {
+    show('Reading Gauge', true, 'call-1', true)
+    act(() => vi.advanceTimersByTime(100))
+    expect(show('Reading Gauge', true, 'call-1')).toBe('Reading Gauge')
+    act(() => vi.advanceTimersByTime(300))
+    expect(show('Read Gauge', false, 'call-1')).toBe('Reading Gauge')
+    act(() => vi.advanceTimersByTime(700))
+    expect(shown?.label).toBe('Read Gauge')
+  })
 })

apps/sim/app/workspace/[workspaceId]/home/components/message-content/components/agent-group/activity-stream.tsx

@@ -46,6 +46,10 @@ export function usePacedActivity(
 
   if (visible.resetKey !== resetKey) {
     setVisible({ activity, key, resetKey, placeholder, shownAt: Date.now() })
+  } else if (key === visible.key && placeholder !== visible.placeholder) {
+    // The same text now names the call itself (an activity title its description matches), so
+    // it holds the header from here.
+    setVisible({ ...visible, activity, placeholder, shownAt: Date.now() })
   }
 
   useEffect(() => {