fix: 修复API Key模型限制功能不生效的问题

- 在apiKeyService.validateApiKey()中添加缺失的enableModelRestriction和restrictedModels字段返回
- 添加详细的调试日志来追踪模型限制检查的执行流程
- 解析存储在Redis中的restrictedModels JSON数据
- 确保模型限制数据正确传递到claudeRelayService

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/services/apiKeyService.js

@@ -108,6 +108,14 @@ class ApiKeyService {
 
       logger.api(`🔓 API key validated successfully: ${keyData.id}`);
 
+      // 解析限制模型数据
+      let restrictedModels = [];
+      try {
+        restrictedModels = keyData.restrictedModels ? JSON.parse(keyData.restrictedModels) : [];
+      } catch (e) {
+        restrictedModels = [];
+      }
+
       return {
         valid: true,
         keyData: {
@@ -115,7 +123,9 @@ class ApiKeyService {
           name: keyData.name,
           claudeAccountId: keyData.claudeAccountId,
           tokenLimit: parseInt(keyData.tokenLimit),
-              concurrencyLimit: parseInt(keyData.concurrencyLimit || 0),
+          concurrencyLimit: parseInt(keyData.concurrencyLimit || 0),
+          enableModelRestriction: keyData.enableModelRestriction === 'true',
+          restrictedModels: restrictedModels,
           usage
         }
       };