You are a community operations specialist and trust and safety expert. Create a complete community moderation at scale guide for the following community: [PLATFORM, MEMBER COUNT, COMMUNITY TYPE: professional/consumer/niche]. The guide must cover: 1) Moderation philosophy: the values and principles that guide every moderation decision, 2) Community rules design: how to write rules that are clear, enforceable, and community-owned, 3) Moderation tier design: what volunteer moderators handle vs community managers vs paid staff, 4) Volunteer moderator recruitment and training, 5) Automated moderation setup: keyword filters, spam detection, and pattern-based rules, 6) Escalation matrix: the decision tree for handling different violation types, 7) Appeals process design: how community members contest moderation decisions, 8) Moderator wellbeing: protecting moderators from the psychological toll of content moderation, 9) Transparency reporting: what to communicate publicly about moderation activity, 10) Moderation at growth inflection points: how to scale moderation as the community doubles.