feat(vscode-ide-companion): implement session message handling and UI improvements

Complete session message handling with JSONL support and UI enhancements

- Add JSONL session file reading capability

- Improve error handling and authentication flows

- Update UI components for better user experience

- Fix command identifier references

- Enhance MarkdownRenderer with copy functionality

- Update Tailwind configuration for better component coverage

packages/vscode-ide-companion/src/constants/acpSchema.ts

@@ -4,26 +4,6 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * ACP (Agent Communication Protocol) Method Definitions
- *
- * This file defines the protocol methods for communication between
- * the VSCode extension (Client) and the qwen CLI (Agent/Server).
- */
-
-/**
- * Methods that the Agent (CLI) implements and receives from Client (VSCode)
- *
- * Status in qwen CLI:
- * ✅ initialize - Protocol initialization
- * ✅ authenticate - User authentication
- * ✅ session/new - Create new session
- * ✅ session/load - Load existing session (v0.2.4+)
- * ✅ session/list - List available sessions (v0.2.4+)
- * ✅ session/prompt - Send user message to agent
- * ✅ session/cancel - Cancel current generation
- * ✅ session/save - Save current session
- */
 export const AGENT_METHODS = {
   authenticate: 'authenticate',
   initialize: 'initialize',
@@ -35,15 +15,6 @@ export const AGENT_METHODS = {
   session_save: 'session/save',
 } as const;
 
-/**
- * Methods that the Client (VSCode) implements and receives from Agent (CLI)
- *
- * Status in VSCode extension:
- * ✅ fs/read_text_file - Read file content
- * ✅ fs/write_text_file - Write file content
- * ✅ session/request_permission - Request user permission for tool execution
- * ✅ session/update - Stream session updates (notification)
- */
 export const CLIENT_METHODS = {
   fs_read_text_file: 'fs/read_text_file',
   fs_write_text_file: 'fs/write_text_file',