Report each macOS app's build commit in /api/admin/status

api/openapi.yaml

@@ -1680,7 +1680,7 @@ components:
 
     Status:
       type: object
-      required: [started_at, db_bytes, last_event_seq, projects, active_tasks, sse_clients, live_agents, running_turns, rate_limits, agent_processes, zombies, stuck_after_seconds, protocol_errors]
+      required: [started_at, db_bytes, last_event_seq, projects, active_tasks, sse_clients, clients, live_agents, running_turns, rate_limits, agent_processes, zombies, stuck_after_seconds, protocol_errors]
       properties:
         live_agents: { type: integer, description: Agent processes currently running. }
         agent_processes:
@@ -1707,6 +1707,19 @@ components:
         projects: { type: integer }
         active_tasks: { type: integer }
         sse_clients: { type: integer }
+        clients:
+          type: array
+          description: Each distinct user, Mac and app build with an open event stream, oldest connection first.
+          items: { $ref: "#/components/schemas/ConnectedClient" }
+
+    ConnectedClient:
+      type: object
+      required: [login, host, commit, connected_at]
+      properties:
+        login: { type: string }
+        host: { type: string, description: The Mac's name from its Byre-Host header; empty when the client sent none. }
+        commit: { type: string, description: The git commit the app was built from, from its Byre-Commit header; empty when the client sent none. }
+        connected_at: { type: string, format: date-time, description: When the client's oldest open stream connected. }
 
     TurnRef:
       type: object