Fix: remove zhipu ai api key (#8066)

### What problem does this PR solve?

- Removed hardcoded Zhipu API key from codebase
- New requirement: Tests now require ZHIPU_AI_API_KEY environment
variable
  Example: export ZHIPU_AI_API_KEY=your_api_key_here

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

sdk/python/test/conftest.py

@@ -20,7 +20,7 @@ import pytest
 import requests
 
 HOST_ADDRESS = os.getenv("HOST_ADDRESS", "http://127.0.0.1:9380")
-ZHIPU_AI_API_KEY = os.getenv("ZHIPU_AI_API_KEY", "ca148e43209c40109e2bc2f56281dd11.BltyA2N1B043B7Ra")
+ZHIPU_AI_API_KEY = os.getenv("ZHIPU_AI_API_KEY")
 if ZHIPU_AI_API_KEY is None:
     pytest.exit("Error: Environment variable ZHIPU_AI_API_KEY must be set")
 

test/configs.py

@@ -19,7 +19,7 @@ import pytest
 
 HOST_ADDRESS = os.getenv("HOST_ADDRESS", "http://127.0.0.1:9380")
 VERSION = "v1"
-ZHIPU_AI_API_KEY = os.getenv("ZHIPU_AI_API_KEY", "ca148e43209c40109e2bc2f56281dd11.BltyA2N1B043B7Ra")
+ZHIPU_AI_API_KEY = os.getenv("ZHIPU_AI_API_KEY")
 if ZHIPU_AI_API_KEY is None:
     pytest.exit("Error: Environment variable ZHIPU_AI_API_KEY must be set")