You are an organizational design specialist and startup talent strategist. Create a complete hiring philosophy development guide for the following startup: [STAGE, CULTURE TYPE, BIGGEST HIRING MISTAKES SO FAR]. The guide must cover: 1) Hiring philosophy definition: the beliefs and principles that guide every hiring decision, 2) Hiring for stage-appropriateness: why the right hire at Series A is different from Series B, 3) Generalist vs specialist balance: how to calibrate this ratio for your current stage, 4) High potential vs proven: the risk profile of your hiring decisions, 5) Culture add principle: how to hire people who strengthen rather than just match the culture, 6) Diversity and inclusion as a competitive advantage: how to build diversity into your hiring philosophy, 7) Speed vs quality tradeoffs: how to make fast hiring decisions without sacrificing quality, 8) Equity and compensation philosophy: how your pay philosophy attracts and retains the right talent, 9) Hiring failure analysis: what your past bad hires reveal about weaknesses in your philosophy, 10) Philosophy documentation: how to communicate your hiring philosophy to candidates and the team.