feat: Add external link handler

- Add new openLink handler to manage external URL navigation
- Register openLink handler in message handler system
- Implement URL opening functionality using vscode.env.openExternal

Author: yangbobo2021

src/handler/handlerRegister.ts

@@ -14,6 +14,7 @@ import { doVscodeCommand } from './vscodeCommandHandler';
 import { readFile, writeFile, getIDEServicePort, getCurrentFileInfo } from './fileHandler';
 import { getTopics, deleteTopic } from './topicHandler';
 import { readConfig, writeConfig, readServerConfigBase, writeServerConfigBase } from './configHandler';
+import { openLink } from './openlinkHandler';
 
 
 // According to the context menu selected by the user, add the corresponding context file
@@ -83,4 +84,5 @@ messageHandler.registerHandler('getIDEServicePort', getIDEServicePort);
 messageHandler.registerHandler('readServerConfigBase', readServerConfigBase);
 messageHandler.registerHandler('writeServerConfigBase', writeServerConfigBase);
 
+messageHandler.registerHandler('openLink', openLink);
 

src/handler/openlinkHandler.ts

@@ -0,0 +1,19 @@
+/*
+Commands for handling configuration read and write
+*/
+
+import * as fs from 'fs';
+import * as path from 'path';
+import * as vscode from 'vscode';
+import yaml from 'yaml';
+import { regInMessage, regOutMessage } from '../util/reg_messages';
+import { MessageHandler } from './messageHandler';
+import { DevChatConfig } from '../util/config';
+import { logger } from '../util/logger';
+
+
+regInMessage({command: 'openLink', url: 'http://...'}); // when key is "", it will rewrite all config values
+export async function openLink(message: any, panel: vscode.WebviewPanel|vscode.WebviewView): Promise<void> {
+    const url = message.url;
+    vscode.env.openExternal(vscode.Uri.parse(url));
+}