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1. quanta-fsrs-engine quanta-fsrs-engine Public

   Open-source FSRS (v4.5/5) spaced-repetition engine — STEM-calibrated weights, exam-aware scheduler, interleaving & readiness score. Extracted from Quanta (quanta-study.de). TypeScript · MIT.

   TypeScript

2. quanta-fsrs quanta-fsrs Public

   FSRS v4.5/5 Spaced Repetition Scheduler — zero dependencies, TypeScript-native, edge-ready. Used in production at quanta-study.de

   TypeScript

3. llm-json-repair llm-json-repair Public

   Extract complete JSON objects from partial, streaming or malformed LLM output — string-literal-aware, LaTeX-safe, zero-dependency TypeScript.

   TypeScript

4. pwa-background-sync pwa-background-sync Public

   Tiny dependency-free helpers for the Background Sync & Periodic Background Sync APIs — deferred syncs that fire on reconnect, plus Service Worker messaging. Graceful no-ops where unsupported.

   TypeScript

5. resilient-llm-stream resilient-llm-stream Public

   Production-grade resilience for streaming LLM calls: timeout + backoff retry, SSE keepalive + inactivity watchdog, and a string-literal-aware streaming JSON extractor. Zero dependencies.

   TypeScript

6. unbiased-random-string unbiased-random-string Public

   Cryptographically secure random strings with rejection sampling (no modulo bias). Isomorphic browser/Node/edge, zero dependencies.

   TypeScript