arc-agentic-progression-from-oracle-to-playbookarc-ai-amplifies-humanity-spinearc-authentic-voice-vs-idealized-clonearc-complexity-terminology-tensionarc-context-sandwich-two-authorsarc-cross-day-framework-canonarc-fluency-ladder-three-vocabulariesarc-inner-game-bookends-d1-d3arc-open-questions-compoundingarc-speaker-rotation-and-coherencearc-stop-chasing-tools-trifectaarc-thesis-evolution-d1-d2-d3arc-time-reclamation-deepening-stack