feat(companion): add direct disconnect metadata getters

src/companion/platformClients.ts

@@ -300,6 +300,14 @@ export class MacOSCompanionClient {
     return this.runtime.idle;
   }
 
+  get lastDisconnectCode(): number | undefined {
+    return this.runtime.lastDisconnectCode;
+  }
+
+  get lastDisconnectReason(): string | undefined {
+    return this.runtime.lastDisconnectReason;
+  }
+
   getPendingWorkSnapshot(): PendingWorkSnapshot {
     return this.runtime.getPendingWorkSnapshot();
   }
@@ -578,6 +586,14 @@ export class IOSCompanionClient {
     return this.runtime.idle;
   }
 
+  get lastDisconnectCode(): number | undefined {
+    return this.runtime.lastDisconnectCode;
+  }
+
+  get lastDisconnectReason(): string | undefined {
+    return this.runtime.lastDisconnectReason;
+  }
+
   getPendingWorkSnapshot(): PendingWorkSnapshot {
     return this.runtime.getPendingWorkSnapshot();
   }
@@ -854,6 +870,14 @@ export class AndroidCompanionClient {
     return this.runtime.idle;
   }
 
+  get lastDisconnectCode(): number | undefined {
+    return this.runtime.lastDisconnectCode;
+  }
+
+  get lastDisconnectReason(): string | undefined {
+    return this.runtime.lastDisconnectReason;
+  }
+
   getPendingWorkSnapshot(): PendingWorkSnapshot {
     return this.runtime.getPendingWorkSnapshot();
   }