feat(frontend): API clients for search + stats extensions + due session

packages/frontend/src/api/search.ts

@@ -0,0 +1,28 @@
+import { api } from './client.js';
+
+export interface SearchLessonResult {
+  id: number;
+  name: string;
+  ownerDisplayName: string;
+  location: 'library' | 'marketplace';
+  totalCards: number;
+  isCurated: boolean;
+}
+
+export interface SearchCardResult {
+  id: number;
+  lessonId: number;
+  lessonName: string;
+  question: string;
+  snippet: string;
+}
+
+export interface SearchResult {
+  lessons: SearchLessonResult[];
+  cards: SearchCardResult[];
+}
+
+export const searchApi = {
+  search: (q: string, limit = 30) =>
+    api.get<SearchResult>(`/search?q=${encodeURIComponent(q)}&limit=${limit}`),
+};

packages/frontend/src/api/sessions.ts

@@ -6,6 +6,7 @@ export interface SessionState { session: SessionRow; queue: QueueItem[]; index:
 
 export const sessionsApi = {
   start: (input: SessionStartInput) => api.post<StartedSession>('/sessions', input),
+  startDue: () => api.post<StartedSession>(`/sessions/due`),
   active: () => api.get<SessionRow | null>('/sessions/active'),
   state: (id: number) => api.get<SessionState>(`/sessions/${id}`),
   next: (id: number) => api.get<{ done: true } | { done: false; item: QueueItem }>(`/sessions/${id}/next`),

packages/frontend/src/api/stats.ts

@@ -20,4 +20,9 @@ export const statsApi = {
   lesson: (id: number) => api.get<LessonStats>(`/stats/lessons/${id}`),
   card: (id: number) => api.get<CardStats>(`/stats/cards/${id}`),
   heatmap: (weeks = 12) => api.get<{ day: string; sessions: number; attempts: number }[]>(`/stats/heatmap?weeks=${weeks}`),
+  lessonsProgress: () => api.get<{ rows: Array<{
+    lessonId: number; name: string; totalCards: number; masteredCards: number;
+    scorePct: number; lastSessionAt: number | null;
+  }> }>(`/stats/lessons-progress`),
+  due: () => api.get<{ overdue: number; today: number; tomorrow: number; thisWeek: number }>(`/stats/due`),
 };