release(0.1.2): require DooTask 1.7.91+，菜单字段改用 type，更新 CHANGELOG

- require_version: > 1.5.18 → > 1.7.90
- menu_items 字段 url_type → 规范的 type（新版主程序支持）
- CHANGELOG 标注弃用与本版变更（移除 OCR/操作通道，工具 33→29）

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

docs(changelog): notes for 0.1.1

refactor(mcp): clarify parameter precedence for mutual-exclusive params

Add explicit "Takes precedence" / "Ignored if" hints for tools where
two optional params compete: send_message, get_message_list (dialog_id
vs userid), and extract_image_text (file_id vs image_url).

Generated with [Claude Code](https://claude.ai/code)

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

feat: add send_task_ai_message tool for AI assistant identity messaging

New MCP tool that sends messages to task chats as the AI Assistant
identity (userid=-1), enabling AI agents to report progress and results
directly to DooTask task conversations.

Generated with [Claude Code](https://claude.ai/code)

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

feat(operation): 添加flow_item_id参数支持，处理多结束状态的情况

feat(operation): 更新变更日志，添加页面操作工具的WebSocket自动化功能描述

feat(mcp): 增强文件工具支持文本内容读取

  - get_file_detail: 添加 with_content 参数提取文本
  - 新增 fetch_file_content 工具通过路径获取内容

no message

feat: 更新获取消息列表工具的描述，增强功能说明

feat: 添加加载状态指示器和样式