Add both command-line and environment variable examples for AgentScope Studio

Change-Id: I2d54f077a3fdeafcf0c4e6d82fb3ebdb9f95a39b
Co-developed-by: Cursor <[email protected]>
Co-authored-by: ralf0131 <[email protected]>

Author: ralf0131

README.md

@@ -247,16 +247,27 @@ AgentScope Studio will start and display the OTLP endpoint URL (typically `http:
 
 Configure your AgentScope application to export telemetry data to AgentScope Studio using OTLP. Use the endpoint URL displayed by AgentScope Studio when it starts:
 
+```shell
+loongsuite-instrument \
+    --traces_exporter otlp \
+    --metrics_exporter otlp \
+    --exporter_otlp_protocol http/protobuf \
+    --exporter_otlp_endpoint http://127.0.0.1:31415 \
+    --service_name demo \
+    python demo.py
+```
+
+Alternatively, you can use environment variables:
+
 ```shell
 export OTEL_SERVICE_NAME=demo
 export OTEL_EXPORTER_OTLP_PROTOCOL=http/protobuf
-export OTEL_EXPORTER_OTLP_TRACES_ENDPOINT=http://127.0.0.1:31415  # Use the endpoint from AgentScope Studio
-export OTEL_EXPORTER_OTLP_METRICS_ENDPOINT=http://127.0.0.1:31415  # Use the endpoint from AgentScope Studio
+export OTEL_EXPORTER_OTLP_TRACES_ENDPOINT=http://127.0.0.1:31415
+export OTEL_EXPORTER_OTLP_METRICS_ENDPOINT=http://127.0.0.1:31415
 
 loongsuite-instrument \
     --traces_exporter otlp \
     --metrics_exporter otlp \
-    --service_name demo \
     python demo.py
 ```