fix: 修复管理员会话键名冲突问题

- 恢复管理员会话管理的原始键名格式 session:${sessionId}
- 更改sticky会话映射使用独立前缀 sticky_session:${sessionHash}
- 避免sticky会话功能与管理后台会话冲突
- 添加sticky_session:*到cleanup清理模式
- 确保向后兼容性，管理后台功能正常

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

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

src/models/redis.js

@@ -407,18 +407,18 @@ class RedisClient {
 
   // 🔐 会话管理（用于管理员登录等）
   async setSession(sessionId, sessionData, ttl = 86400) {
-    const key = `admin_session:${sessionId}`;
+    const key = `session:${sessionId}`;
     await this.client.hset(key, sessionData);
     await this.client.expire(key, ttl);
   }
 
   async getSession(sessionId) {
-    const key = `admin_session:${sessionId}`;
+    const key = `session:${sessionId}`;
     return await this.client.hgetall(key);
   }
 
   async deleteSession(sessionId) {
-    const key = `admin_session:${sessionId}`;
+    const key = `session:${sessionId}`;
     return await this.client.del(key);
   }
 
@@ -665,17 +665,17 @@ class RedisClient {
 
   // 🔗 会话sticky映射管理
   async setSessionAccountMapping(sessionHash, accountId, ttl = 3600) {
-    const key = `session:${sessionHash}`;
+    const key = `sticky_session:${sessionHash}`;
     await this.client.set(key, accountId, 'EX', ttl);
   }
 
   async getSessionAccountMapping(sessionHash) {
-    const key = `session:${sessionHash}`;
+    const key = `sticky_session:${sessionHash}`;
     return await this.client.get(key);
   }
 
   async deleteSessionAccountMapping(sessionHash) {
-    const key = `session:${sessionHash}`;
+    const key = `sticky_session:${sessionHash}`;
     return await this.client.del(key);
   }
 
@@ -686,6 +686,7 @@ class RedisClient {
         'usage:daily:*',
         'ratelimit:*',
         'session:*',
+        'sticky_session:*',
         'oauth:*'
       ];
 

src/utils/sessionHelper.js

@@ -100,7 +100,7 @@ class SessionHelper {
    * @returns {string} - Redis键名
    */
   getSessionRedisKey(sessionHash) {
-    return `session:${sessionHash}`;
+    return `sticky_session:${sessionHash}`;
   }
 
   /**