first commit

frontend/src/lib/api.ts

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+export interface AnatomicalSystem {
+  id: string;
+  slug: string;
+  namePt: string;
+  nameEn: string;
+  colorHex: string;
+  order: number;
+  _count?: { structures: number };
+}
+
+export interface Structure {
+  id: string;
+  fmaId: string | null;
+  slug: string;
+  namePt: string;
+  nameEn: string;
+  synonyms: string[];
+  description: string | null;
+  regionPath: string[];
+  modelFile: string;
+  meshName: string;
+  systemId: string;
+  system: AnatomicalSystem;
+}
+
+export interface QuizCard {
+  id: string;
+  structureId: string;
+  easeFactor: number;
+  intervalDays: number;
+  repetitions: number;
+  dueAt: string;
+}
+
+const BASE = "/api";
+
+async function getJson<T>(url: string): Promise<T> {
+  const res = await fetch(url);
+  if (!res.ok) throw new Error(`GET ${url} failed: ${res.status}`);
+  return res.json() as Promise<T>;
+}
+
+export const api = {
+  systems: () => getJson<AnatomicalSystem[]>(`${BASE}/systems`),
+
+  structures: (params: { system?: string; q?: string } = {}) => {
+    const usp = new URLSearchParams();
+    if (params.system) usp.set("system", params.system);
+    if (params.q) usp.set("q", params.q);
+    const qs = usp.toString();
+    return getJson<Structure[]>(`${BASE}/structures${qs ? `?${qs}` : ""}`);
+  },
+
+  structure: (id: string) => getJson<Structure>(`${BASE}/structures/${id}`),
+
+  quizNext: (params: { system?: string; limit?: number } = {}) => {
+    const usp = new URLSearchParams();
+    if (params.system) usp.set("system", params.system);
+    if (params.limit) usp.set("limit", String(params.limit));
+    const qs = usp.toString();
+    return getJson<(Structure & { quizCard: QuizCard | null })[]>(
+      `${BASE}/quiz/next${qs ? `?${qs}` : ""}`,
+    );
+  },
+
+  quizReview: async (structureId: string, quality: number): Promise<QuizCard> => {
+    const res = await fetch(`${BASE}/quiz/${structureId}/review`, {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ quality }),
+    });
+    if (!res.ok) throw new Error(`quizReview failed: ${res.status}`);
+    return res.json();
+  },
+};
+
+export function modelUrl(modelFile: string): string {
+  return `/models/${modelFile}`;
+}