fix: 自动拼接/chat/completions到API URL

backend/app.py

@@ -1345,10 +1345,20 @@ def get_frontend_config():
     conn = get_db()
     cursor = conn.cursor()
     
-    # 获取默认LLM配置
-    cursor.execute('SELECT * FROM llm_configs WHERE is_default=1 AND is_active=1 LIMIT 1')
+    # 先获取默认对话配置
+    cursor.execute('SELECT * FROM chat_configs WHERE is_default=1 LIMIT 1')
+    chat_config = cursor.fetchone()
+    
+    # 根据对话配置中的 llm_config_id 获取对应的 LLM 配置
+    llm_config_id = chat_config['llm_config_id'] if chat_config else 1
+    cursor.execute('SELECT * FROM llm_configs WHERE id=?', (llm_config_id,))
     llm = cursor.fetchone()
     
+    # 如果找不到对应的LLM配置，使用默认的
+    if not llm:
+        cursor.execute('SELECT * FROM llm_configs WHERE is_default=1 LIMIT 1')
+        llm = cursor.fetchone()
+    
     # 获取默认工具配置（搜索等）
     cursor.execute('SELECT * FROM tool_configs WHERE is_default=1 AND is_active=1')
     tools = [dict(row) for row in cursor.fetchall()]
@@ -1361,10 +1371,6 @@ def get_frontend_config():
     cursor.execute('SELECT agent_id, name, avatar, category, description, system_prompt, heat, tags, enable_tools FROM agents WHERE is_online=1 AND is_active=1')
     agents = [dict(row) for row in cursor.fetchall()]
     
-    # 获取默认对话配置
-    cursor.execute('SELECT * FROM chat_configs WHERE is_default=1 LIMIT 1')
-    chat_config = cursor.fetchone()
-    
     # 获取系统配置
     cursor.execute('SELECT key, value FROM system_configs')
     system = {row['key']: row['value'] for row in cursor.fetchall()}

www/app.js

@@ -140,7 +140,13 @@ async function loadBackendConfig() {
     
     // 将后台 LLM 配置赋值到 CONFIG
     if (backendConfig.llm) {
-      CONFIG.apiUrl = backendConfig.llm.api_url;
+      // 自动拼接 /chat/completions（如果不是完整URL）
+      let apiUrl = backendConfig.llm.api_url;
+      if (apiUrl && !apiUrl.includes('/chat/completions')) {
+        // 确保URL以/结尾再拼接，或直接拼接
+        apiUrl = apiUrl.endsWith('/') ? apiUrl + 'chat/completions' : apiUrl + '/chat/completions';
+      }
+      CONFIG.apiUrl = apiUrl;
       CONFIG.apiKey = backendConfig.llm.api_key;
       CONFIG.model = backendConfig.llm.model;
       CONFIG.maxTokens = backendConfig.llm.max_tokens || 2048;