4ff4302a8c
5 SDD batches archived: - Batch 1: UI Polish (10 features, 14 tasks) - Batch 2: Study System (8 features, 23 tasks) - Batch 3: Infrastructure (5 features, 22 tasks) - Batch 4: AI Advanced (5 features, 30 tasks) — RAG with @xenova/transformers - Batch 5: Core Features (5 features, 19 tasks) 37 bugs fixed from comprehensive code review (11 CRITICAL, 12 HIGH, 14 MEDIUM/LOW): - SSE streaming now works (event.token check) - API keys no longer exposed via GET /api/models - FTS5 injection sanitized - DB backup/restore with admin auth - Buddy mode wired (buddy_meta column) - Exam auto-submit stale closure fixed - CSS variables aligned with design tokens - Progress data corruption fixed - WebSocket protocol auto-detection - Tests infrastructure completed (vitest + node:test)
25 lines
641 B
JavaScript
25 lines
641 B
JavaScript
function sm2(prev, quality) {
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let { ease_factor: e, interval_days: i, repetitions: r } = prev;
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if (quality < 3) {
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r = 0;
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i = 1;
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} else {
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if (r === 0) i = 1;
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else if (r === 1) i = 6;
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else i = Math.round(i * e);
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r += 1;
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}
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e = Math.max(1.3, e + (0.1 - (5 - quality) * (0.08 + (5 - quality) * 0.02)));
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// next_review uses local timezone — acceptable for a personal study app
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const next = new Date();
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next.setDate(next.getDate() + i);
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return {
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ease_factor: +e.toFixed(2),
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interval_days: i,
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repetitions: r,
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next_review: next.toISOString().slice(0, 10),
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};
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}
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module.exports = { sm2 };
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