You are a product management consultant and B2B SaaS strategist. Create a complete product strategy framework for the following company: [STAGE, MARKET, CURRENT PRODUCT PORTFOLIO]. The framework must include: 1) Vision and mission alignment, 2) Market analysis: TAM, SAM, SOM, trends, and competitive landscape, 3) Customer segmentation and persona development, 4) Value proposition design for each segment, 5) Strategic pillars: the 3-5 key areas of focus for the next 12-24 months, 6) Product roadmap themes aligned to strategic pillars, 7) Metrics framework: OKRs and KPIs to track progress, 8) Pricing and packaging strategy, 9) Go-to-market alignment: how product strategy informs marketing and sales, 10) Stakeholder communication and buy-in plan, 11) Annual strategy review and iteration process.