feat(companion): add runtime bootstrapNode helper

src/companion/runtimeClient.test.ts

@@ -267,6 +267,36 @@ describe('CompanionRuntimeClient', () => {
     }
   });
 
+  it('bootstraps node registration and capabilities in one call', async () => {
+    if (!LISTEN_ALLOWED) {
+      return;
+    }
+
+    const client = new CompanionRuntimeClient({
+      url: `ws://127.0.0.1:${TEST_PORT}`,
+      token: TEST_TOKEN,
+    });
+    await client.connect();
+
+    try {
+      const boot = await client.bootstrapNode(
+        {
+          nodeId: 'bootstrap-runtime-node',
+          role: 'companion',
+          capabilities: ['ui.canvas'],
+        },
+        { includeSystemCapabilities: true },
+      );
+
+      expect(boot.register.registered).toBe(true);
+      expect(boot.capabilities.node.id).toBe('bootstrap-runtime-node');
+      expect(boot.systemCapabilities?.nodes.enabled).toBe(true);
+      expect(boot.systemCapabilities?.nodes.registered).toBe(true);
+    } finally {
+      client.disconnect();
+    }
+  });
+
   it('updates status/location/push and exposes them through system.nodes', async () => {
     if (!LISTEN_ALLOWED) {
       return;