Moving the copilot-sdk cookbook content in here

cookbook/copilot-sdk/python/recipe/error_handling.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+
+from copilot import CopilotClient
+
+client = CopilotClient()
+
+try:
+    client.start()
+    session = client.create_session(model="gpt-5")
+
+    response = None
+    def handle_message(event):
+        nonlocal response
+        if event["type"] == "assistant.message":
+            response = event["data"]["content"]
+
+    session.on(handle_message)
+    session.send(prompt="Hello!")
+    session.wait_for_idle()
+
+    if response:
+        print(response)
+
+    session.destroy()
+except Exception as e:
+    print(f"Error: {e}")
+finally:
+    client.stop()