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Adds 15 new skills reaching the 150-skill milestone: Data & Analytics (pm-data): - cohort-analysis: retention curves, LTV projection, behavioural segmentation, SQL reference queries - data-pipeline-spec: ETL/ELT design with SLAs, DQ rules, error handling, compliance Customer Success (pm-cs): - renewal-playbook: health snapshot, value story, commercial scenarios, objection responses, 16-week timeline - customer-success-plan: joint success plan with milestones, mutual commitments, escalation path People & Leadership (pm-people): - 360-feedback-template: survey instrument + narrative report with strengths and development themes - team-health-check: Spotify-model assessment across 7 dimensions with facilitation guide Operations (pm-operations): - risk-register: L×I scoring, RAG heat map, mitigation and contingency plans - raci-matrix: role definitions, decision map, anti-pattern guide, communication template Marketing & GTM (pm-gtm): - social-media-strategy: audience profile, content pillars, KPIs, 4-week starter calendar - product-positioning-doc: April Dunford-style positioning, messaging hierarchy, persona messaging Discovery (pm-discovery): - customer-journey-map: stage-by-stage journey with touchpoints, emotions, and prioritised opportunities Delivery (pm-delivery): - user-story-writer: Given/When/Then ACs, edge cases, definition of done, epic decomposition Advanced (pm-advanced): - ai-ethics-review: fairness, bias, transparency, privacy, safety, accountability, societal impact Sales (pm-sales): - partnership-proposal: mutual value, commercial model, joint GTM plan, governance Design (pm-design): - design-system-audit: component coverage, token consistency, WCAG, adoption, remediation roadmap Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>