Fix cookbook code issues to ensure examples compile and run correctly

Co-authored-by: brunoborges <129743+brunoborges@users.noreply.github.com>

Author: Copilot

src/site/markdown/cookbook/error-handling.md

@@ -66,24 +66,28 @@ public class BasicErrorHandling {
 import com.github.copilot.sdk.*;
 import com.github.copilot.sdk.events.*;
 import com.github.copilot.sdk.json.*;
-import java.io.IOException;
 import java.util.concurrent.ExecutionException;
-import java.util.concurrent.TimeoutException;
 
 public class SpecificErrorHandling {
     public static void startClient() {
         try (var client = new CopilotClient()) {
             client.start().get();
             // ... use client ...
-        } catch (IOException ex) {
-            System.err.println("Copilot CLI not found. Please install it first.");
-            System.err.println("Details: " + ex.getMessage());
-        } catch (TimeoutException ex) {
-            System.err.println("Could not connect to Copilot CLI server.");
-            System.err.println("Details: " + ex.getMessage());
         } catch (ExecutionException ex) {
-            System.err.println("Unexpected error: " + ex.getCause().getMessage());
-            ex.getCause().printStackTrace();
+            Throwable cause = ex.getCause();
+            if (cause instanceof java.io.IOException) {
+                System.err.println("Copilot CLI not found. Please install it first.");
+                System.err.println("Details: " + cause.getMessage());
+            } else if (cause instanceof java.util.concurrent.TimeoutException) {
+                System.err.println("Could not connect to Copilot CLI server.");
+                System.err.println("Details: " + cause.getMessage());
+            } else {
+                System.err.println("Unexpected error: " + cause.getMessage());
+                cause.printStackTrace();
+            }
+        } catch (InterruptedException ex) {
+            Thread.currentThread().interrupt();
+            System.err.println("Operation interrupted: " + ex.getMessage());
         } catch (Exception ex) {
             System.err.println("Unexpected error: " + ex.getMessage());
             ex.printStackTrace();

src/site/markdown/cookbook/managing-local-files.md

@@ -25,6 +25,10 @@ You have a folder with many files and want to organize them into subfolders base
 
 **Usage:**
 ```bash
+# Use with a specific folder (recommended)
+jbang ManagingLocalFiles.java /path/to/your/folder
+
+# Or run without arguments to use a safe default (temp directory)
 jbang ManagingLocalFiles.java
 ```
 
@@ -63,19 +67,19 @@ public class ManagingLocalFiles {
 
             session.on(SessionIdleEvent.class, evt -> done.countDown());
 
-            // Ask Copilot to organize files
-            String userHome = System.getProperty("user.home");
-            String targetFolder = Paths.get(userHome, "Downloads").toString();
+            // Ask Copilot to organize files - using a safe example folder
+            // For real use, replace with your target folder
+            String targetFolder = args.length > 0 ? args[0] : 
+                System.getProperty("java.io.tmpdir") + "/example-files";
 
             String prompt = String.format("""
-                Analyze the files in "%s" and organize them into subfolders.
+                Analyze the files in "%s" and show how you would organize them into subfolders.
 
                 1. First, list all files and their metadata
                 2. Preview grouping by file extension
-                3. Create appropriate subfolders (e.g., "images", "documents", "videos")
-                4. Move each file to its appropriate subfolder
-
-                Please confirm before moving any files.
+                3. Suggest appropriate subfolders (e.g., "images", "documents", "videos")
+                
+                IMPORTANT: DO NOT move any files. Only show the plan.
                 """, targetFolder);
 
             session.send(new MessageOptions().setPrompt(prompt));

src/site/markdown/cookbook/persisting-sessions.md

@@ -125,6 +125,11 @@ public class DeleteSession {
 ## Getting session history
 
 ```java
+//DEPS io.github.copilot-community-sdk:copilot-sdk:${project.version}
+import com.github.copilot.sdk.*;
+import com.github.copilot.sdk.events.*;
+import com.github.copilot.sdk.json.*;
+
 public class SessionHistory {
     public static void main(String[] args) throws Exception {
         try (var client = new CopilotClient()) {
@@ -133,11 +138,15 @@ public class SessionHistory {
             var session = client.resumeSession("user-123-conversation").get();
 
             var messages = session.getMessages().get();
-            for (var msg : messages) {
-                System.out.printf("[%s] %s%n",
-                    msg.getType(),
-                    msg.getContent() != null ? msg.getContent() : "(no content)"
-                );
+            for (var event : messages) {
+                // Print different event types appropriately
+                if (event instanceof AssistantMessageEvent msg) {
+                    System.out.printf("[assistant] %s%n", msg.getData().getContent());
+                } else if (event instanceof UserMessageEvent userMsg) {
+                    System.out.printf("[user] %s%n", userMsg.getData().getPrompt());
+                } else {
+                    System.out.printf("[%s]%n", event.getType());
+                }
             }
 
             session.close();