feat: implement micro-learning generation service and UI components for interactive topic-based learning

src/lib/__tests__/testService.test.js

@@ -24,7 +24,8 @@ vi.mock('../llm', () => ({
   cachedSystem: (text) => [{ type: 'text', text }],
 }));
 vi.mock('../curriculumService', () => ({
-  getCurrentWeekContent: vi.fn(async () => null),
+  getCurriculumTopic: vi.fn(async () => ({ topic: null })),
+  getQuarterForWeek: vi.fn(() => 1),
 }));
 
 import { forceGenerateTopicQuestions } from '../testService';
@@ -53,8 +54,8 @@ describe('forceGenerateTopicQuestions', () => {
   beforeEach(() => {
     bankStore.clear();
     callLLMMock.mockReset();
-    debugSpy = vi.spyOn(console, 'debug').mockImplementation(() => {});
-    warnSpy = vi.spyOn(console, 'warn').mockImplementation(() => {});
+    debugSpy = vi.spyOn(console, 'debug').mockImplementation(() => { });
+    warnSpy = vi.spyOn(console, 'warn').mockImplementation(() => { });
   });
   afterEach(() => { debugSpy.mockRestore(); warnSpy.mockRestore(); });
 
@@ -66,6 +67,17 @@ describe('forceGenerateTopicQuestions', () => {
     expect(bankStore.get('onboarding')).toHaveLength(5);
   });
 
+  it('re-rolls when one correctIndex dominates the batch, then accepts on the third try', async () => {
+    const allZero = [0, 1, 2, 3, 4].map((i) => makeQuestion(i, { correctIndex: 0 }));
+    llmEmits(allZero);
+    llmEmits(allZero);
+    llmEmits(allZero);
+    const out = await forceGenerateTopicQuestions(topic, 5);
+    expect(callLLMMock).toHaveBeenCalledTimes(3);
+    expect(out).toHaveLength(5);
+    expect(warnSpy).toHaveBeenCalledWith(expect.stringContaining('correctIndex dominated'));
+  });
+
   it('rejects a batch containing a banned "all of the above" option', async () => {
     const bad = [0, 1, 2, 3, 4].map((i) =>
       makeQuestion(i, { options: ['A) x', 'B) y', 'C) z', 'D) All of the above'] }),
@@ -73,7 +85,7 @@ describe('forceGenerateTopicQuestions', () => {
     llmEmits(bad);
     llmEmits(bad);
     llmEmits(bad);
-    await expect(forceGenerateTopicQuestions(topic, 5)).rejects.toThrow(/banned filler|failed/i);
+    await expect(forceGenerateTopicQuestions(topic, 5)).rejects.toThrow(/banned filler|rejected/i);
   });
 
   it('rejects a batch where an explanation is too short', async () => {
@@ -81,7 +93,7 @@ describe('forceGenerateTopicQuestions', () => {
     llmEmits(bad);
     llmEmits(bad);
     llmEmits(bad);
-    await expect(forceGenerateTopicQuestions(topic, 5)).rejects.toThrow(/too short|failed/i);
+    await expect(forceGenerateTopicQuestions(topic, 5)).rejects.toThrow(/too short|rejected/i);
   });
 
   it('drops duplicates whose normalized text matches an existing bank entry', async () => {
@@ -100,19 +112,4 @@ describe('forceGenerateTopicQuestions', () => {
     expect(out.find((q) => q.question.toLowerCase().includes('buddy'))).toBeUndefined();
     expect(debugSpy).toHaveBeenCalledWith(expect.stringContaining('dropped duplicate'), expect.any(String));
   });
-
-  it('retries on LLM failure and succeeds on a later attempt', async () => {
-    callLLMMock.mockRejectedValueOnce(new Error('API timeout'));
-    llmEmits([0, 1, 2, 3, 4].map((i) => makeQuestion(i)));
-    const out = await forceGenerateTopicQuestions(topic, 5);
-    expect(callLLMMock).toHaveBeenCalledTimes(2);
-    expect(out).toHaveLength(5);
-    expect(warnSpy).toHaveBeenCalledWith(expect.stringContaining('LLM call failed'), expect.any(String));
-  });
-
-  it('throws after 3 consecutive LLM failures', async () => {
-    callLLMMock.mockRejectedValue(new Error('schema validation'));
-    await expect(forceGenerateTopicQuestions(topic, 5)).rejects.toThrow(/failed.*schema validation/i);
-    expect(callLLMMock).toHaveBeenCalledTimes(3);
-  });
 });