♻️ refactor(core): 重构命令管理和错误处理

- 优化 COMMANDS 常量结构，使用命名空间管理
- 添加 NotificationHandler 统一处理错误通知
- 移除 extension.ts 中重复的初始化代码
- 在命令执行过程中增加错误处理和用户通知
- 规范化命令注册结构和错误捕获流程

src/commands.ts

@@ -2,6 +2,7 @@ import * as vscode from "vscode";
 import { COMMANDS } from "./constants";
 import { GenerateCommitCommand } from "./commands/GenerateCommitCommand";
 import { SelectModelCommand } from "./commands/SelectModelCommand";
+import { NotificationHandler } from "./utils/NotificationHandler";
 
 export class CommandManager implements vscode.Disposable {
   private disposables: vscode.Disposable[] = [];
@@ -11,23 +12,35 @@ export class CommandManager implements vscode.Disposable {
   }
 
   private registerCommands() {
-    const generateCommand = new GenerateCommitCommand(this.context);
-    const selectModelCommand = new SelectModelCommand(this.context);
+    try {
+      const generateCommand = new GenerateCommitCommand(this.context);
+      const selectModelCommand = new SelectModelCommand(this.context);
 
-    this.disposables.push(
-      vscode.commands.registerCommand(
-        COMMANDS.GENERATE,
-        async (...resources: vscode.SourceControlResourceState[]) => {
-          await generateCommand.execute(resources);
-        }
-      ),
-      vscode.commands.registerCommand(
-        "dish-ai-commit.selectModel",
-        async () => {
-          await selectModelCommand.execute();
-        }
-      )
-    );
+      this.disposables.push(
+        vscode.commands.registerCommand(
+          COMMANDS.COMMIT.GENERATE,
+          async (...resources: vscode.SourceControlResourceState[]) => {
+            try {
+              await generateCommand.execute(resources);
+            } catch (error) {
+              NotificationHandler.error("command.generate.failed", error instanceof Error ? error.message : String(error));
+            }
+          }
+        ),
+        vscode.commands.registerCommand(
+          COMMANDS.MODEL.SHOW,
+          async () => {
+            try {
+              await selectModelCommand.execute();
+            } catch (error) {
+              NotificationHandler.error("command.select.model.failed", error instanceof Error ? error.message : String(error));
+            }
+          }
+        )
+      );
+    } catch (error) {
+      NotificationHandler.error("command.register.failed", error instanceof Error ? error.message : String(error));
+    }
   }
 
   dispose() {

src/constants.ts

@@ -3,9 +3,16 @@ import * as packageJson from "../package.json";
 export const EXTENSION_NAME = packageJson.name;
 export const DISPLAY_NAME = packageJson.displayName;
 
+// 使用命名空间组织命令
 export const COMMANDS = {
-  // 从 package.json 的 commands 配置中获取
-  GENERATE: packageJson.contributes.commands[0].command,
-  SHOW_MODELS: packageJson.contributes.commands[1].command,
-  REFRESH_MODELS: `${EXTENSION_NAME}.refreshModels`,
+  COMMIT: {
+    GENERATE: packageJson.contributes.commands[0].command,
+  },
+  MODEL: {
+    SHOW: packageJson.contributes.commands[1].command,
+    REFRESH: `${EXTENSION_NAME}.refreshModels`,
+  }
 } as const;
+
+// 添加类型导出
+export type CommandType = typeof COMMANDS;

src/extension.ts

@@ -4,17 +4,15 @@ import * as vscode from "vscode";
 import { ConfigurationManager } from "./config/ConfigurationManager";
 import { registerCommands } from "./commands";
 import { LocalizationManager } from "./utils/LocalizationManager";
+import { NotificationHandler } from "./utils/NotificationHandler";
 
 // This method is called when your extension is activated
 // Your extension is activated the very first time the command is executed
 export function activate(context: vscode.ExtensionContext) {
   try {
     console.log('Extension "dish-ai-commit-gen" is now active!');
 
-    // 初始化本地化管理器
-    LocalizationManager.initialize(context);
-
-    // 初始化本地化管理器
+    // 初始化本地化管理器（移除重复的初始化）
     LocalizationManager.initialize(context);
 
     // 初始化配置管理器并添加到订阅列表
@@ -33,6 +31,8 @@ export function activate(context: vscode.ExtensionContext) {
     registerCommands(context);
   } catch (e) {
     console.error("Error activating extension:", e);
+    // 添加用户可见的错误提示
+    NotificationHandler.error("extension.activation.failed", e instanceof Error ? e.message : String(e));
     throw e;
   }
 }