feat(ST-1111.10d): show worker presence indicator and gate 'Voer uit' on connected workers

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

stores/solo-store.ts

@@ -57,6 +57,7 @@ interface SoloStore {
   showConnectingIndicator: boolean
 
   claudeJobsByTaskId: Record<string, JobState>
+  connectedWorkers: number
 
   initTasks: (tasks: SoloTask[]) => void
   optimisticMove: (taskId: string, toStatus: TaskStatus) => TaskStatus | null
@@ -71,6 +72,10 @@ interface SoloStore {
   initJobs: (jobs: JobState[]) => void
   handleJobEvent: (event: ClaudeJobEvent) => void
 
+  setWorkers: (count: number) => void
+  incrementWorkers: () => void
+  decrementWorkers: () => void
+
   handleRealtimeEvent: (event: RealtimeEvent) => void
 }
 
@@ -80,6 +85,7 @@ export const useSoloStore = create<SoloStore>((set, get) => ({
   realtimeStatus: 'connecting',
   showConnectingIndicator: false,
   claudeJobsByTaskId: {},
+  connectedWorkers: 0,
 
   initTasks: (tasks) =>
     set({ tasks: Object.fromEntries(tasks.map(t => [t.id, t])) }),
@@ -124,6 +130,10 @@ export const useSoloStore = create<SoloStore>((set, get) => ({
   initJobs: (jobs) =>
     set({ claudeJobsByTaskId: Object.fromEntries(jobs.map(j => [j.task_id, j])) }),
 
+  setWorkers: (count) => set({ connectedWorkers: Math.max(0, count) }),
+  incrementWorkers: () => set(s => ({ connectedWorkers: s.connectedWorkers + 1 })),
+  decrementWorkers: () => set(s => ({ connectedWorkers: Math.max(0, s.connectedWorkers - 1) })),
+
   handleJobEvent: (event) => {
     const { job_id, task_id } = event
     if (event.type === 'claude_job_enqueued') {