fix(agent-status): restore inventory-confirmed workflow lanes

src/main/claude/hook-settings.ts

@@ -35,8 +35,8 @@ export const CLAUDE_EVENTS = [
   { eventName: 'StopFailure', definition: { hooks: [{ type: 'command', command: '' }] } },
   // Why: subagent/teammate lifecycle feeds the sidebar's child rows and keeps
   // a pane 'working' while background children outlive the lead's turn.
-  // TeammateIdle retires the working-only row when SubagentStop is lost;
-  // idle teammates still report status "running" in Stop's background_tasks.
+  // TeammateIdle parks turn-based teammates without trusting their permanently
+  // "running" background_tasks entry to gate the pane.
   // Older Claude builds ignore unregistered event names (StopFailure precedent).
   { eventName: 'SubagentStart', definition: { hooks: [{ type: 'command', command: '' }] } },
   { eventName: 'SubagentStop', definition: { hooks: [{ type: 'command', command: '' }] } },

src/shared/claude-subagent-roster.test.ts

@@ -65,6 +65,26 @@ describe('claude-subagent-roster', () => {
     expect(roster.has('alane-hooks-6d3cb5b5')).toBe(false)
   })
 
+  it('restores a parked workflow lane to working when the inventory reports it running', () => {
+    const roster: ClaudeSubagentRoster = new Map()
+    upsertWorkingClaudeSubagent(roster, 'alane-hooks-6d3cb5b5', { agentType: 'lane-hooks' }, 100)
+    stopClaudeSubagent(roster, 'alane-hooks-6d3cb5b5')
+
+    // Why: lifecycle hooks and the lead Stop inventory can arrive around the
+    // same boundary; an authoritative running task must keep the pane gated.
+    foldClaudeBackgroundTasksIntoRoster(
+      roster,
+      [task({ id: 'alane-hooks-6d3cb5b5', agentType: 'lane-hooks' })],
+      150
+    )
+
+    expect(roster.get('alane-hooks-6d3cb5b5')).toMatchObject({
+      state: 'working',
+      listedAsSubagentTask: true
+    })
+    expect(claudeRosterHasWorkingSubagent(roster)).toBe(true)
+  })
+
   it('revives an idle teammate as working while keeping its first-observed startedAt', () => {
     const roster: ClaudeSubagentRoster = new Map()
     upsertWorkingClaudeSubagent(roster, 'aprobe1-6d3cb5b5', { agentType: 'probe1' }, 100)

src/shared/claude-subagent-roster.ts

@@ -221,6 +221,9 @@ export function foldClaudeBackgroundTasksIntoRoster(
         pendingRunningTasks.delete(task.id)
         continue
       }
+      // Why: a Stop can park the row before the lead inventory confirms the
+      // same workflow lane is still running; the authoritative task wins.
+      existing.state = 'working'
       existing.agentType = task.agentType ?? existing.agentType
       existing.description = task.description ?? existing.description
       existing.listedAsSubagentTask = true