30天内容日历生成器，适用于AI与生产力领域

Act as a growth strategist for a solo creator building an audience in the AI x productivity niche. Create a 30-day content calendar for LinkedIn, with one post per day. Include post type (text, visual, thread), content angle (framework, personal insight, case study, tool breakdown), and a 1-sentence hook. Focus on growing authority and triggering engagement. Output in a table format.