根据输入生成日报 Markdown 草稿并写入 reports 目录
Initial release of daily-report-writer. - Generates daily report drafts in Markdown format based on user input. - Saves reports to the reports directory using the provided date. - Supports input of highlights (required) and blockers (optional). - Validates all required parameters and provides clear error messages with examples if missing. - Handles file read/write, and gives permission troubleshooting suggestions on failure.