feat(companion): expose platform connected state passthrough

src/companion/platformClients.test.ts

@@ -38,6 +38,7 @@ function createRuntimeMock(): {
   waitForContextWarning: ReturnType<typeof vi.fn>;
   waitForAnyEvent: ReturnType<typeof vi.fn>;
   eventSubscriptionCount: number;
+  connected: boolean;
 } {
   const connect = vi.fn(async () => undefined);
   const disconnect = vi.fn(() => undefined);
@@ -76,6 +77,7 @@ function createRuntimeMock(): {
   const waitForContextWarning = vi.fn(async () => ({ thresholdPct: 75, estimatedPct: 90 }));
   const waitForAnyEvent = vi.fn(async () => ({ event: 'agent.stream', data: { token: 'any' } }));
   const eventSubscriptionCount = 3;
+  const connected = true;
 
   const runtime = {
     connect,
@@ -110,6 +112,9 @@ function createRuntimeMock(): {
     get eventSubscriptionCount() {
       return eventSubscriptionCount;
     },
+    get connected() {
+      return connected;
+    },
   } as unknown as CompanionRuntimeClient;
 
   return {
@@ -144,6 +149,7 @@ function createRuntimeMock(): {
     waitForContextWarning,
     waitForAnyEvent,
     eventSubscriptionCount,
+    connected,
   };
 }
 
@@ -204,6 +210,13 @@ describe('platform companion clients', () => {
     expect(mock.dispose).toHaveBeenCalledOnce();
   });
 
+  it('platform connected getter forwards to runtime connected state', async () => {
+    const mock = createRuntimeMock();
+    const client = new MacOSCompanionClient({ runtime: mock.runtime, nodeId: 'mac-node' });
+
+    expect(client.connected).toBe(mock.connected);
+  });
+
   it('platform stream helper methods forward to runtime client', async () => {
     const mock = createRuntimeMock();
     const client = new AndroidCompanionClient({ runtime: mock.runtime, nodeId: 'android-node' });

src/companion/platformClients.ts

@@ -101,6 +101,10 @@ export class MacOSCompanionClient {
     return this.runtime.connect();
   }
 
+  get connected(): boolean {
+    return this.runtime.connected;
+  }
+
   disconnect(): void {
     this.runtime.disconnect();
   }
@@ -339,6 +343,10 @@ export class IOSCompanionClient {
     return this.runtime.connect();
   }
 
+  get connected(): boolean {
+    return this.runtime.connected;
+  }
+
   disconnect(): void {
     this.runtime.disconnect();
   }
@@ -577,6 +585,10 @@ export class AndroidCompanionClient {
     return this.runtime.connect();
   }
 
+  get connected(): boolean {
+    return this.runtime.connected;
+  }
+
   disconnect(): void {
     this.runtime.disconnect();
   }