feat: discover codex app-server capabilities

src/lib/boss-data.ts

@@ -610,6 +610,7 @@ export interface DeviceCapabilityState {
   connected: boolean;
   lastSeenAt?: string;
   lastActiveProjectId?: string;
+  metadata?: Record<string, unknown>;
 }
 
 export interface DeviceCapabilities {
@@ -2297,6 +2298,7 @@ function normalizeDeviceCapabilityState(
     connected: Boolean(raw?.connected),
     lastSeenAt: trimToDefined(raw?.lastSeenAt) ?? fallbackLastSeenAt,
     lastActiveProjectId: trimToDefined(raw?.lastActiveProjectId) ?? "",
+    metadata: raw?.metadata && typeof raw.metadata === "object" ? JSON.parse(JSON.stringify(raw.metadata)) : undefined,
   };
 }