You are a bootstrapped SaaS growth expert and lean marketing strategist. Build a complete 12-month marketing calendar for the following Micro SaaS: [PRODUCT NICHE, FOUNDER AVAILABLE HOURS PER WEEK FOR MARKETING, CURRENT MRR]. The calendar must cover: 1) Monthly marketing theme: the focus area for each month aligned to seasonal opportunities, 2) Content production plan: the minimum viable content output that produces compounding results, 3) Product Hunt and platform launch timing, 4) Community engagement rhythm: the weekly and monthly community activities, 5) Email marketing schedule: newsletters, announcements, and campaign cadence, 6) Partnership and collaboration opportunities by quarter, 7) SEO-focused months: when to prioritize new content vs optimization, 8) Social media minimal viable presence, 9) Annual review and planning: how to evaluate what worked and set next year's priorities, 10) Marketing effort vs impact tracking: how to know where to double down.