Adding OTel support for Python sample

Signed-off-by: Harry Kimpel <harry@kimpel.com>

Author: harrykimpel

python/samples/chat.py

@@ -1,19 +1,28 @@
 import asyncio
+import os
 
-from copilot import CopilotClient
+from copilot import CopilotClient, SubprocessConfig
 from copilot.generated.session_events import (
     AssistantMessageData,
     AssistantReasoningData,
     ToolExecutionStartData,
 )
 from copilot.session import PermissionHandler
 
+nr_license_key = os.environ["NEW_RELIC_LICENSE_KEY"]
+os.environ["OTEL_EXPORTER_OTLP_ENDPOINT"] = "https://otlp.nr-data.net:4318"
+os.environ["OTEL_EXPORTER_OTLP_HEADERS"] = f"api-key={nr_license_key}"
+os.environ["OTEL_EXPORTER_OTLP_PROTOCOL"] = "http/protobuf"
+os.environ["OTEL_INSTRUMENTATION_GENAI_CAPTURE_MESSAGE_CONTENT"] = "true"
+
 BLUE = "\033[34m"
 RESET = "\033[0m"
 
 
 async def main():
-    client = CopilotClient()
+    client = CopilotClient(SubprocessConfig(
+        telemetry={"exporter_type": "otlp-http"},
+    ))
     await client.start()
     session = await client.create_session(on_permission_request=PermissionHandler.approve_all)