[Bug]: Web検索機能が動作しません

[satorua]

What happened?

Bug Report: WebSearch Functionality Not Working

Summary

WebSearch functionality in Z.ai's API is not returning search results, always returning empty results.

Environment

• OS: macOS (Darwin 25.3.0)
• API Endpoint: https://api.z.ai/api/anthropic
• Model: glm-5
• Report Date: 2026年3月16日

Steps to Reproduce

1. Make an API call with web_search tool
2. Include a search query
3. Observe the response

Expected Behavior

WebSearch should return search results from the web.

Actual Behavior

WebSearch returns empty results:

"web_search_prime_result_summary": [{"text": [], "type": "text"}]


### Relevant log output

```shell
# Test API connectivity
curl -I https://api.z.ai/api/anthropic

# Test WebSearch via API
curl -X POST https://api.z.ai/api/anthropic/v1/messages \
  -H "Content-Type: application/json" \
  -H "x-api-key: YOUR_API_KEY" \
  -d '{
    "model": "glm-5",
    "max_tokens": 100,
    "tools": [{"name": "web_search", "description": "Search the web for current information"}],
    "messages": [{"role": "user", "content": "Search for AI news"}]
  }'

Code of Conduct

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