kaixiad

Spaced repetition & FSRS-5 AI learning assistant with active recall, Feynman technique, interleaved practice, causal questioning. 间隔重复FSRS-5 AI学习助手，整合主动回忆、费曼学习法、交错练习、因果追问。 Evidence-based: distributed practice d=0.85, practice testing d=0.74, AI tutoring 0.63-1.3 SD. Multi-platform compatible: OpenClaw, WorkBuddy, Claude Code, Hermes Agent. Features: FSRS-5 spaced repetition (default), SM-2 fallback, forgetting curve, burnout detection, learning contract, weekly report. 169 tests, 24 CLI commands, 14 academic citations, zero external dependencies.