perf(mobile): isolate iOS Live Activity imports

apps/mobile/src/features/agent-awareness/agentLiveActivity.ios.ts

@@ -0,0 +1,9 @@
+import AgentActivity, { type AgentActivityProps } from "../../widgets/AgentActivity";
+
+export function getAgentLiveActivities() {
+  return AgentActivity.getInstances();
+}
+
+export function startAgentLiveActivity(props: AgentActivityProps) {
+  return AgentActivity.start(props);
+}

apps/mobile/src/features/agent-awareness/agentLiveActivity.ts

@@ -0,0 +1,12 @@
+import type { LiveActivity } from "expo-widgets";
+import type { AgentActivityProps } from "../../widgets/AgentActivity";
+
+export function getAgentLiveActivities(): Array<LiveActivity<AgentActivityProps>> {
+  return [];
+}
+
+export function startAgentLiveActivity(
+  _props: AgentActivityProps,
+): LiveActivity<AgentActivityProps> | null {
+  return null;
+}

apps/mobile/src/features/agent-awareness/remoteRegistration.test.ts

@@ -101,11 +101,9 @@ vi.mock("expo-widgets", () => ({
   addPushToStartTokenListener: vi.fn(() => ({ remove: vi.fn() })),
 }));
 
-vi.mock("../../widgets/AgentActivity", () => ({
-  default: {
-    getInstances: widgetMocks.getInstances,
-    start: widgetMocks.start,
-  },
+vi.mock("./agentLiveActivity", () => ({
+  getAgentLiveActivities: widgetMocks.getInstances,
+  startAgentLiveActivity: widgetMocks.start,
 }));
 
 // The state modules pull the whole connection stack (and native expo modules)

apps/mobile/src/features/agent-awareness/remoteRegistration.ts

@@ -35,7 +35,8 @@ import {
   loadPreferences,
   saveAgentAwarenessRegistrationRecord,
 } from "../../persistence/imperative";
-import AgentActivity, { type AgentActivityProps } from "../../widgets/AgentActivity";
+import type { AgentActivityProps } from "../../widgets/AgentActivity";
+import { getAgentLiveActivities, startAgentLiveActivity } from "./agentLiveActivity";
 import { resolveCloudPublicConfig } from "../cloud/publicConfig";
 import { supportsAgentAwarenessPush } from "./capabilities";
 import { makeRelayDeviceRegistrationRequest, resolveApsEnvironment } from "./registrationPayload";
@@ -522,11 +523,11 @@ function armAgentAwarenessLiveActivityForLocalWorkNow(input: {
   readonly projectTitle: string;
 }): void {
   try {
-    if (AgentActivity.getInstances().length > 0) {
+    if (getAgentLiveActivities().length > 0) {
       return;
     }
     const nowIso = new Date(Date.now()).toISOString();
-    const activity = AgentActivity.start({
+    const activity = startAgentLiveActivity({
       title: "T3 Code",
       subtitle: "Agent work in progress",
       activeCount: 1,
@@ -545,6 +546,9 @@ function armAgentAwarenessLiveActivityForLocalWorkNow(input: {
         },
       ],
     });
+    if (!activity) {
+      return;
+    }
     logRegistrationDebug("live activity card armed for local work", {
       threadTitle: input.threadTitle,
     });
@@ -842,7 +846,7 @@ function endLocalLiveActivities(context: string): void {
     return;
   }
   try {
-    for (const activity of AgentActivity.getInstances()) {
+    for (const activity of getAgentLiveActivities()) {
       activity.end("immediate").catch((error: unknown) => {
         logRegistrationError(context, error);
       });
@@ -1069,7 +1073,7 @@ export function refreshActiveLiveActivityRemoteRegistration(): Effect.Effect<
     }
 
     let activities = yield* Effect.try({
-      try: () => AgentActivity.getInstances(),
+      try: () => getAgentLiveActivities(),
       catch: (cause) =>
         new AgentAwarenessOperationError({
           operation: "list-active-live-activities",
@@ -1118,7 +1122,7 @@ export function refreshActiveLiveActivityRemoteRegistration(): Effect.Effect<
         // The snapshot request yields; an arm-on-send may have created the
         // card in the meantime. Re-check so two cards are never started.
         const armedMeanwhile = yield* Effect.try({
-          try: () => AgentActivity.getInstances(),
+          try: () => getAgentLiveActivities(),
           catch: () => [] as ReadonlyArray<LiveActivity<AgentActivityProps>>,
         }).pipe(Effect.orElseSucceed(() => [] as ReadonlyArray<LiveActivity<AgentActivityProps>>));
         if (armedMeanwhile.length > 0) {
@@ -1127,7 +1131,7 @@ export function refreshActiveLiveActivityRemoteRegistration(): Effect.Effect<
           const aggregate = snapshot.aggregate;
           const primed = yield* Effect.try({
             try: () =>
-              AgentActivity.start({
+              startAgentLiveActivity({
                 title: aggregate.title,
                 subtitle: aggregate.subtitle,
                 activeCount: aggregate.activeCount,