feat(companion): add platform bootstrap helper

src/companion/platformClients.ts

@@ -38,6 +38,11 @@ export type SharedStatusInput = Omit<
   'platform'
 >;
 
+export interface PlatformBootstrapResult {
+  register: NodeRegisterResult;
+  capabilities: NodeCapabilitiesResult;
+}
+
 export class MacOSCompanionClient {
   private readonly runtime: CompanionRuntimeClient;
   private readonly nodeId: string;
@@ -70,6 +75,12 @@ export class MacOSCompanionClient {
     });
   }
 
+  async bootstrap(): Promise<PlatformBootstrapResult> {
+    const register = await this.register();
+    const capabilities = await this.getCapabilities();
+    return { register, capabilities };
+  }
+
   getCapabilities(): Promise<NodeCapabilitiesResult> {
     return this.runtime.getNodeCapabilities();
   }
@@ -163,6 +174,12 @@ export class IOSCompanionClient {
     });
   }
 
+  async bootstrap(): Promise<PlatformBootstrapResult> {
+    const register = await this.register();
+    const capabilities = await this.getCapabilities();
+    return { register, capabilities };
+  }
+
   getCapabilities(): Promise<NodeCapabilitiesResult> {
     return this.runtime.getNodeCapabilities();
   }
@@ -256,6 +273,12 @@ export class AndroidCompanionClient {
     });
   }
 
+  async bootstrap(): Promise<PlatformBootstrapResult> {
+    const register = await this.register();
+    const capabilities = await this.getCapabilities();
+    return { register, capabilities };
+  }
+
   getCapabilities(): Promise<NodeCapabilitiesResult> {
     return this.runtime.getNodeCapabilities();
   }