Liu An 4f3abb855a
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)
2025-06-05 12:04:09 +08:00
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