refactor: 移除 VSCode 设置中的配置项，使用预配置的默认值

package.json

@@ -70,27 +70,7 @@
         "id": "iccoder",
         "label": "IC Coder"
       }
-    ],
-    "configuration": {
-      "title": "IC Coder",
-      "properties": {
-        "icCoder.backendUrl": {
-          "type": "string",
-          "default": "http://192.168.1.108:2233",
-          "description": "后端服务地址"
-        },
-        "icCoder.timeout": {
-          "type": "number",
-          "default": 60000,
-          "description": "请求超时时间（毫秒）"
-        },
-        "icCoder.userId": {
-          "type": "string",
-          "default": "default-user",
-          "description": "用户ID（临时配置）"
-        }
-      }
-    }
+    ]
   },
   "scripts": {
     "vscode:prepublish": "pnpm run package",

src/config/settings.ts

@@ -1,6 +1,6 @@
 /**
  * 配置管理
- * 从 VSCode 设置读取配置项
+ * 后端地址已预配置，用户无需手动设置
  */
 import * as vscode from "vscode";
 
@@ -14,7 +14,7 @@ export interface IccoderConfig {
   userId: string;
 }
 
-/** 默认配置 */
+/** 默认配置（预配置，不暴露给用户） */
 const DEFAULT_CONFIG: IccoderConfig = {
   backendUrl: "http://192.168.1.108:2233",
   timeout: 60000,
@@ -23,15 +23,10 @@ const DEFAULT_CONFIG: IccoderConfig = {
 
 /**
  * 获取配置项
+ * 直接返回预配置的值，用户无需手动配置
  */
 export function getConfig(): IccoderConfig {
-  const config = vscode.workspace.getConfiguration("icCoder");
-
-  return {
-    backendUrl: config.get<string>("backendUrl", DEFAULT_CONFIG.backendUrl),
-    timeout: config.get<number>("timeout", DEFAULT_CONFIG.timeout),
-    userId: config.get<string>("userId", DEFAULT_CONFIG.userId),
-  };
+  return { ...DEFAULT_CONFIG };
 }
 
 /**