+9 performance modules: Email Analyzer, Communication Hub, Resume Engine, Reading Performance, Typing Performance, Consistency Index, Role Readiness, Interview Simulation, Presentation Scoring
+Composite Skill Score with 5-dimension weighting (Typing 25%, Writing 25%, Resume 25%, Reading 15%, Consistency 10%)
+Weekly snapshot system with coverage factor adjustment
+Free / Pro / Pro+ tier structure with Stripe billing
+Shareable performance reports with signed URLs and visibility controls
+Admin control center with metrics, audit logging, and test-mode toggle
+Published methodology, AI transparency, and data security documentation