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v0.2.0 — Local-first Daily English & spaced review

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@eulogep eulogep released this 10 Oct 13:56
· 63 commits to main since this release
v0.2.0
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Learn about vigilant mode.

First public release of Engineer Learning OS: an evidence-grounded, local-first learning OS for engineers.

Live demo: https://daily-english-mission-ten.vercel.app — no sign-up, data stays in your browser.

Highlights

Daily English Mission

  • Works anywhere: falls back to a browser-only mode when no database is available (hosted demo), with a "Mode local" badge (#4).
  • No external AI required: on-device recording for replay only, typed production, deterministic correction of frequent French-speaker errors with explanations in French (#4).
  • Spaced review: Leitner boxes (1 → 3 → 7 → 14 → 30 → 60 days), 3 daily slots reserved for new words, packs interleaved; no schema migration (#4).
  • 150-word vocabulary in 5 packs — essentials, networking, cybersecurity, meetings, career — with an example sentence for every word, shared by the SQLite setup and browser mode (#4, #5).
  • SQLite mode verified on real databases; fixes a mission lasting two days, unstable word order on reload and new words shown as reviews (#5).

Safety & deployment

  • NotebookLM automation bridge disabled by default; requires an explicit server-side opt-in (#2).
  • Hardened Vercel deployment: allowlist .vercelignore, so secrets, local databases and private knowledge are never uploaded (#3).
  • Reproducible local workflow, self-contained npm test (#1).

Upgrading a local install

npm ci
npm run db:setup:local   # adds the 120 new words; keeps your history

Quality: 552 tests pass · typecheck · lint · production build.

🤖 Generated with Claude Code

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