feat: implement 52-week annual curriculum system with admin management and automated topic progression

src/lib/testService.js

@@ -1,5 +1,6 @@
 import { anthropicApi } from './api';
 import * as db from './db';
+import { getCurriculumTopic, getQuarterForWeek } from './curriculumService';
 
 const QUIZ_SYSTEM = `You are a quiz generator for Respellion, an internal IT company learning platform.
 You generate multiple-choice questions to test employee knowledge on specific topics.
@@ -8,8 +9,39 @@ ALWAYS return valid JSON only — no markdown code blocks, no extra text.`;
 
 async function selectTestTopics(userId, weekNumber) {
   const topics = await db.getTopics();
-  if (!topics || topics.length === 0) return { primaryTopic: null, reviewTopics: [] };
+  if (!topics || topics.length === 0) return { primaryTopic: null, reviewTopics: [], isReviewWeek: false };
 
+  // Try curriculum-based selection first
+  try {
+    const { topic, curriculumEntry } = await getCurriculumTopic(weekNumber);
+
+    if (curriculumEntry?.is_review_week) {
+      // Review week: pull topics from the whole quarter
+      const quarter = getQuarterForWeek(weekNumber);
+      const curriculum = await db.getCurriculum(new Date().getFullYear());
+      const quarterTopicIds = curriculum
+        .filter(w => w.quarter === quarter && w.topic_id && !w.is_review_week)
+        .map(w => w.topic_id);
+      const quarterTopics = topics.filter(t => quarterTopicIds.includes(t.id));
+      // Use all quarter topics as review topics (no single primary)
+      return {
+        primaryTopic: quarterTopics[0] || topics[0],
+        reviewTopics: quarterTopics.slice(1),
+        isReviewWeek: true,
+      };
+    }
+
+    if (topic) {
+      const others = topics.filter(t => t.id !== topic.id);
+      const shuffled = others.sort(() => 0.5 - Math.random());
+      const reviewTopics = shuffled.slice(0, Math.min(5, shuffled.length));
+      return { primaryTopic: topic, reviewTopics, isReviewWeek: false };
+    }
+  } catch (e) {
+    console.warn('[Test] Curriculum lookup failed, falling back to hash:', e.message);
+  }
+
+  // Fallback: hash-based selection
   const str = `${userId}:${weekNumber}`;
   let hash = 0;
   for (let i = 0; i < str.length; i++) {
@@ -23,7 +55,7 @@ async function selectTestTopics(userId, weekNumber) {
   const shuffled = others.sort(() => 0.5 - Math.random());
   const reviewTopics = shuffled.slice(0, Math.min(5, shuffled.length));
 
-  return { primaryTopic, reviewTopics };
+  return { primaryTopic, reviewTopics, isReviewWeek: false };
 }
 
 export async function getCachedQuiz(userId, weekNumber) {