fix(coding-agent): dispose SDK example sessions

packages/coding-agent/examples/sdk/09-api-keys-and-oauth.ts

@@ -11,38 +11,42 @@ import { AuthStorage, createAgentSession, ModelRegistry, SessionManager } from "
 const authStorage = AuthStorage.create();
 const modelRegistry = ModelRegistry.create(authStorage);
 
-await createAgentSession({
+const { session: defaultAuthSession } = await createAgentSession({
 	sessionManager: SessionManager.inMemory(),
 	authStorage,
 	modelRegistry,
 });
 console.log("Session with default auth storage and model registry");
+defaultAuthSession.dispose();
 
 // Custom auth storage location
 const customAuthStorage = AuthStorage.create("/tmp/my-app/auth.json");
 const customModelRegistry = ModelRegistry.create(customAuthStorage, "/tmp/my-app/models.json");
 
-await createAgentSession({
+const { session: customAuthSession } = await createAgentSession({
 	sessionManager: SessionManager.inMemory(),
 	authStorage: customAuthStorage,
 	modelRegistry: customModelRegistry,
 });
 console.log("Session with custom auth storage location");
+customAuthSession.dispose();
 
 // Runtime API key override (not persisted to disk)
 authStorage.setRuntimeApiKey("anthropic", "sk-my-temp-key");
-await createAgentSession({
+const { session: runtimeKeySession } = await createAgentSession({
 	sessionManager: SessionManager.inMemory(),
 	authStorage,
 	modelRegistry,
 });
 console.log("Session with runtime API key override");
+runtimeKeySession.dispose();
 
 // No models.json - only built-in models
 const simpleRegistry = ModelRegistry.inMemory(authStorage);
-await createAgentSession({
+const { session: builtInModelsSession } = await createAgentSession({
 	sessionManager: SessionManager.inMemory(),
 	authStorage,
 	modelRegistry: simpleRegistry,
 });
 console.log("Session with only built-in models");
+builtInModelsSession.dispose();