保存当前API Key管理功能的修改

- 统一用户创建和admin创建API Key的逻辑
- 修复admin更新用户创建的API Key功能
- 用户创建API Key名称改为displayName
- 默认无限制配置

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

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

src/routes/admin.js

@@ -791,6 +791,8 @@ router.put('/api-keys/:keyId', authenticateAdmin, async (req, res) => {
   try {
     const { keyId } = req.params
     const {
+      name,
+      description,
       tokenLimit,
       concurrencyLimit,
       rateLimitWindow,
@@ -814,6 +816,30 @@ router.put('/api-keys/:keyId', authenticateAdmin, async (req, res) => {
     // 只允许更新指定字段
     const updates = {}
 
+    // 处理name字段
+    if (name !== undefined) {
+      if (name === null || name === '') {
+        return res.status(400).json({ error: 'Name cannot be empty' })
+      }
+      if (typeof name !== 'string' || name.trim().length === 0) {
+        return res.status(400).json({ error: 'Name must be a non-empty string' })
+      }
+      if (name.length > 100) {
+        return res.status(400).json({ error: 'Name must be less than 100 characters' })
+      }
+      updates.name = name.trim()
+    }
+
+    // 处理description字段
+    if (description !== undefined) {
+      if (description && (typeof description !== 'string' || description.length > 500)) {
+        return res
+          .status(400)
+          .json({ error: 'Description must be a string with less than 500 characters' })
+      }
+      updates.description = description || ''
+    }
+
     if (tokenLimit !== undefined && tokenLimit !== null && tokenLimit !== '') {
       if (!Number.isInteger(Number(tokenLimit)) || Number(tokenLimit) < 0) {
         return res.status(400).json({ error: 'Token limit must be a non-negative integer' })
@@ -954,12 +980,20 @@ router.put('/api-keys/:keyId', authenticateAdmin, async (req, res) => {
       updates.isActive = isActive
     }
 
+    logger.info(`🔧 Admin updating API key: ${keyId}`, {
+      updates: Object.keys(updates),
+      updatesData: updates
+    })
+
     await apiKeyService.updateApiKey(keyId, updates)
 
     logger.success(`📝 Admin updated API key: ${keyId}`)
     return res.json({ success: true, message: 'API key updated successfully' })
   } catch (error) {
-    logger.error('❌ Failed to update API key:', error)
+    logger.error(`❌ Failed to update API key ${req.params.keyId}:`, {
+      error: error.message,
+      stack: error.stack
+    })
     return res.status(500).json({ error: 'Failed to update API key', message: error.message })
   }
 })