refactor(vscode-ide-companion): 重构代码并更新文件命名

- 更新文件命名规则，使用小写字母和下划线
- 修复部分代码导入路径
- 删除未使用的 WEBVIEW_PIN_FEATURE.md 文件

packages/vscode-ide-companion/src/acp/acpConnection.ts

@@ -1,6 +1,6 @@
 /**
  * @license
- * Copyright 2025 Google LLC
+ * Copyright 2025 Qwen Team
  * SPDX-License-Identifier: Apache-2.0
  */
 
@@ -14,9 +14,12 @@ import type {
 } from '../shared/acpTypes.js';
 import type { ChildProcess, SpawnOptions } from 'child_process';
 import { spawn } from 'child_process';
-import type { PendingRequest, AcpConnectionCallbacks } from './AcpTypes.js';
-import { AcpMessageHandler } from './AcpMessageHandler.js';
-import { AcpSessionManager } from './AcpSessionManager.js';
+import type {
+  PendingRequest,
+  AcpConnectionCallbacks,
+} from './connectionTypes.js';
+import { AcpMessageHandler } from './acpMessageHandler.js';
+import { AcpSessionManager } from './acpSessionManager.js';
 
 /**
  * ACP Connection Handler for VSCode Extension

packages/vscode-ide-companion/src/acp/acpMessageHandler.ts

@@ -19,8 +19,11 @@ import type {
   AcpPermissionRequest,
 } from '../shared/acpTypes.js';
 import { CLIENT_METHODS } from './schema.js';
-import type { PendingRequest, AcpConnectionCallbacks } from './AcpTypes.js';
-import { AcpFileHandler } from './AcpFileHandler.js';
+import type {
+  PendingRequest,
+  AcpConnectionCallbacks,
+} from './connectionTypes.js';
+import { AcpFileHandler } from './acpFileHandler.js';
 import type { ChildProcess } from 'child_process';
 
 /**

packages/vscode-ide-companion/src/acp/acpSessionManager.ts

@@ -17,7 +17,7 @@ import type {
   AcpResponse,
 } from '../shared/acpTypes.js';
 import { AGENT_METHODS, CUSTOM_METHODS } from './schema.js';
-import type { PendingRequest } from './AcpTypes.js';
+import type { PendingRequest } from './connectionTypes.js';
 import type { ChildProcess } from 'child_process';
 
 /**