Initial commit: Dostalgia — DOS game hub

- Go backend (single binary) with embedded Svelte frontend
- JSON-per-game storage (no database)
- .jsdos bundle creation on upload
- Dark phosphor-green theme (#33FF33)
- js-dos v8 emulator integration
- Sockdrive support for games >80MB
- IGDB placeholder for future artwork scraping
- Docker deployment ready

frontend/src/lib/api.js

@@ -0,0 +1,81 @@
+/** API client for Dostalgia backend. */
+
+const BASE = import.meta.env.PROD ? "" : "";  // Proxy handles it in dev
+
+async function request(path, options = {}) {
+  const res = await fetch(`${BASE}${path}`, {
+    headers: { "Content-Type": "application/json", ...options.headers },
+    ...options,
+  });
+  if (!res.ok) {
+    const err = await res.json().catch(() => ({ detail: res.statusText }));
+    throw new Error(err.detail || `HTTP ${res.status}`);
+  }
+  return res.json();
+}
+
+/** Fetch game list */
+export async function listGames(params = {}) {
+  const qs = new URLSearchParams();
+  if (params.search) qs.set("search", params.search);
+  if (params.genre) qs.set("genre", params.genre);
+  if (params.limit) qs.set("limit", params.limit);
+  if (params.offset) qs.set("offset", params.offset);
+  return request(`/api/games?${qs}`);
+}
+
+/** Fetch single game */
+export async function getGame(id) {
+  return request(`/api/games/${id}`);
+}
+
+/** Update game metadata */
+export async function updateGame(id, data) {
+  return request(`/api/games/${id}`, {
+    method: "PATCH",
+    body: JSON.stringify(data),
+  });
+}
+
+/** Delete a game */
+export async function deleteGame(id) {
+  return request(`/api/games/${id}`, { method: "DELETE" });
+}
+
+/** Upload a game ZIP */
+export async function uploadGame(file, title) {
+  const form = new FormData();
+  form.append("file", file);
+  if (title) form.append("title", title);
+
+  const res = await fetch(`${BASE}/api/upload`, {
+    method: "POST",
+    body: form,
+  });
+  if (!res.ok) {
+    const err = await res.json().catch(() => ({ detail: res.statusText }));
+    throw new Error(err.detail || `HTTP ${res.status}`);
+  }
+  return res.json();
+}
+
+/** Search IGDB (placeholder) */
+export async function searchIGDB(query) {
+  return request(`/api/igdb/search?query=${encodeURIComponent(query)}`);
+}
+
+/** Get artwork URL for a path — returns proxy URL or placeholder */
+export function artworkUrl(path) {
+  if (!path) return null;
+  if (path.startsWith("http")) return path;
+  return `/artwork/${path}`;
+}
+
+/** Get game bundle URL */
+export function bundleUrl(game) {
+  if (!game) return null;
+  if (game.bundle_type === "sockdrive") {
+    return `/api/sockdrive/${game.slug}/file?path=.jsdos/dosbox.conf`;
+  }
+  return `/games/${game.slug}.jsdos`;
+}