Add unit tests for CLI modules and fix ESLint issues

- Add comprehensive unit tests for all CLI-related modules:
  - CliContextManager
  - CliVersionManager
  - cliDetector
  - CliInstaller
- Fix ESLint issues by replacing @ts-ignore with @ts-expect-error
- Fix any type issues in test files
- Add tests for diff-manager functionality
- Improve loading messages random selection stability

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

packages/vscode-ide-companion/src/agents/qwenAgentManager.ts

@@ -8,7 +8,7 @@ import { AcpConnection } from '../acp/acpConnection.js';
 import type {
   AcpSessionUpdate,
   AcpPermissionRequest,
-} from '../shared/acpTypes.js';
+} from '../constants/acpTypes.js';
 import {
   QwenSessionReader,
   type QwenSession,

packages/vscode-ide-companion/src/agents/qwenSessionUpdateHandler.ts

@@ -10,7 +10,7 @@
  * Handles session updates from ACP and dispatches them to appropriate callbacks
  */
 
-import type { AcpSessionUpdate } from '../shared/acpTypes.js';
+import type { AcpSessionUpdate } from '../constants/acpTypes.js';
 import type { QwenAgentCallbacks } from './qwenTypes.js';
 
 /**

packages/vscode-ide-companion/src/agents/qwenTypes.ts

@@ -3,14 +3,7 @@
  * Copyright 2025 Qwen Team
  * SPDX-License-Identifier: Apache-2.0
  */
-
-/**
- * Qwen Agent Manager Type Definitions
- *
- * Contains all related interfaces and type definitions
- */
-
-import type { AcpPermissionRequest } from '../shared/acpTypes.js';
+import type { AcpPermissionRequest } from '../constants/acpTypes.js';
 
 /**
  * Chat Message