feat: implement terminal tab extension

- Add extension.ts with command registration and terminal management
- Add toolProvider.ts for tool provider implementation
- Support opening terminal in editor tab
- Auto-launch qodercli on terminal open
- Add lock editor group functionality

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src/extension.ts

@@ -0,0 +1,95 @@
+import * as vscode from 'vscode';
+
+export function activate(context: vscode.ExtensionContext) {
+    console.log('Terminal Tab Extension is now active!');
+
+    // 注册打开终端标签页命令
+    const openTerminalTabCommand = vscode.commands.registerCommand('terminalTab.open', async () => {
+        await openTerminalInEditor();
+    });
+
+    // 注册在当前目录打开终端标签页命令
+    const openInCurrentDirCommand = vscode.commands.registerCommand('terminalTab.openInCurrentDirectory', async (uri?: vscode.Uri) => {
+        let cwd: string | undefined;
+
+        if (uri && uri.fsPath) {
+            // 从右键菜单获取路径
+            const fs = require('fs');
+            const stat = fs.statSync(uri.fsPath);
+            if (stat.isDirectory()) {
+                cwd = uri.fsPath;
+            } else {
+                cwd = uri.fsPath.substring(0, uri.fsPath.lastIndexOf('\\') || uri.fsPath.lastIndexOf('/'));
+            }
+        } else {
+            // 从当前活动编辑器获取路径
+            const activeEditor = vscode.window.activeTextEditor;
+            if (activeEditor) {
+                const filePath = activeEditor.document.uri.fsPath;
+                cwd = filePath.substring(0, filePath.lastIndexOf('\\') || filePath.lastIndexOf('/'));
+            }
+        }
+
+        await openTerminalInEditor(cwd);
+    });
+
+    context.subscriptions.push(
+        openTerminalTabCommand,
+        openInCurrentDirCommand
+    );
+}
+
+async function openTerminalInEditor(cwd?: string) {
+    const config = vscode.workspace.getConfiguration('terminalTab');
+    const preserveFocus = config.get<boolean>('preserveFocus') || false;
+
+    // 先执行向右拆分命令，创建右侧编辑器组
+    await vscode.commands.executeCommand('workbench.action.splitEditorRight');
+
+    // 创建终端选项，在编辑器中打开
+    const terminalOptions: vscode.TerminalOptions = {
+        name: 'Qoder CLI',
+        cwd: cwd,
+        location: vscode.TerminalLocation.Editor
+    };
+
+    // 创建终端
+    const terminal = vscode.window.createTerminal(terminalOptions);
+
+    // 显示终端
+    terminal.show(preserveFocus);
+
+    // 发送 qodercli 命令
+    terminal.sendText('qodercli', true);
+
+    // 锁定编辑器组
+    setTimeout(async () => {
+        await lockTerminalTab(terminal);
+    }, 500);
+}
+
+async function lockTerminalTab(terminal: vscode.Terminal) {
+    // VS Code API 限制：无法直接通过 API 锁定标签页
+    // 但我们可以通过以下方式模拟锁定行为：
+
+    // 1. 监听终端关闭事件，如果是我们的终端，可以提示用户
+    const disposable = vscode.window.onDidCloseTerminal((closedTerminal) => {
+        if (closedTerminal === terminal) {
+            // 终端已关闭，清理资源
+            disposable.dispose();
+        }
+    });
+
+    // 2. 尝试通过命令锁定编辑器组（如果支持）
+    try {
+        // 使用 VS Code 内置命令锁定编辑器组
+        await vscode.commands.executeCommand('workbench.action.lockEditorGroup');
+    } catch (error) {
+        // 命令可能不存在，忽略错误
+        console.log('Lock editor group command not available');
+    }
+}
+
+export function deactivate() {
+    console.log('Terminal Tab Extension is now deactivated!');
+}