refactor: introduce repositories and expose study api client

memora-web/src/services/api/study.ts

@@ -0,0 +1,16 @@
+import { http } from '../http'
+import type { ReviewMode, ReviewResult, Word } from './types'
+
+export async function createStudySession(limit = 10) {
+  const res = await http.post<{ data: Word[] }>('/study/sessions', { limit })
+  return res.data
+}
+
+export async function submitStudyAnswer(payload: { wordId: number; answer: string; mode: ReviewMode }) {
+  const res = await http.post<{ data: ReviewResult }>('/study/answers', {
+    word_id: payload.wordId,
+    answer: payload.answer,
+    mode: payload.mode
+  })
+  return res.data
+}