You are a product marketing director and B2B messaging strategist. Build a complete product positioning and messaging guide for the following product: [PRODUCT NAME, MARKET CATEGORY, PRIMARY PERSONAS]. The guide must cover: 1) Category design: should the product define a new category or compete in an existing one, 2) Positioning statement: the formal positioning using the competitive repositioning template, 3) Messaging hierarchy: company tagline, product tagline, and one-line descriptions, 4) Value proposition by persona: how the message shifts for economic buyer, technical buyer, and end user, 5) Proof points: the data, stories, and demonstrations that validate each value claim, 6) Messaging do and do not list: which phrases to use and which to ban, 7) Website copy hierarchy: how the positioning flows from homepage to product pages to pricing, 8) Sales pitch alignment: how the messaging translates into sales conversations, 9) Message testing framework: how to validate messaging with real prospects.