docs(development): update model adapter documentation

- Remove middleware item from sidebar
- Add embedding model support to documentation
- Update language model documentation with new details
- Include notes on using plugin.fetch for network requests

Author: dingyi222666

docs/.vitepress/config.ts

@@ -495,10 +495,6 @@ function sidebarDevelopment(): DefaultTheme.SidebarItem[] {
                     text: '模型工具',
                     link: '/development/connect-to-core-services/model-tool',
                 },
-                {
-                    text: '中间件',
-                    link: '/development/connect-to-core-services/middleware',
-                },
                 {
                     text: '消息读取',
                     link: '/development/connect-to-core-services/message-read',
@@ -512,20 +508,20 @@ function sidebarDevelopment(): DefaultTheme.SidebarItem[] {
                     text: 'ChatLuna 服务 （ChatLuna Service）',
                     link: '/development/api-reference/chatluna-service',
                 },
-                {
-                    text: 'ChatLuna 中间件聊天链（ChatChain）',
-                    link: '/development/api-reference/chatluna-chat-chain',
-                },
                 {
                     text: 'ChatLuna 插件(ChatLuna Plugin)',
                     link: '/development/api-reference/chatluna-plugin',
                 },
+                {
+                    text: 'ChatLuna 事件(ChatLuna Events)',
+                    link: '/development/api-reference/chatluna-events',
+                },
                 {
                     text: 'ChatLuna 大语言模型核心 （LLM Core）',
                     collapsed: true,
                     items: [
                         {
-                            text: '人格预设 (Preset Template)',
+                            text: '预设 (Preset Template)',
                             link: '/development/api-reference/llm-core/preset-template',
                         },
                         {
@@ -554,6 +550,10 @@ function sidebarDevelopment(): DefaultTheme.SidebarItem[] {
                             text: '请求工具 (request)',
                             link: '/development/api-reference/chatluna-utils/request',
                         },
+                        {
+                            text: 'SSE 工具 (sse)',
+                            link: '/development/api-reference/chatluna-utils/sse',
+                        },
                     ],
                 },
             ],