feat(agents): add provider-neutral orchestration

apps/mobile/src/Stack.tsx

@@ -48,6 +48,7 @@ import { SettingsAuthRouteScreen } from "./features/settings/SettingsAuthRouteSc
 import { SettingsEnvironmentsRouteScreen } from "./features/settings/SettingsEnvironmentsRouteScreen";
 import { SettingsLegalRouteScreen } from "./features/settings/SettingsLegalRouteScreen";
 import { SettingsProjectGroupingRouteScreen } from "./features/settings/SettingsProjectGroupingRouteScreen";
+import { SettingsAgentsRouteScreen } from "./features/settings/SettingsAgentsRouteScreen";
 import { UsageRouteScreen } from "./features/usage/UsageRouteScreen";
 import { SettingsRouteScreen } from "./features/settings/SettingsRouteScreen";
 import { ShowcaseCaptureCoordinator } from "./features/showcase/ShowcaseCaptureCoordinator";
@@ -184,6 +185,11 @@ const SettingsSheetStack = createNativeStackNavigator({
         title: "Project Grouping",
       },
     }),
+    SettingsAgents: createNativeStackScreen({
+      screen: SettingsAgentsRouteScreen,
+      linking: "agents",
+      options: { title: "Agents" },
+    }),
     SettingsClientStorage: createNativeStackScreen({
       screen: SettingsClientStorageRouteScreen,
       linking: "client-storage",