RegWatch frontend : React/Vite -> nginx + Docker/CI homelab

- URL d'API externalisée (VITE_API_URL bakée au build), plus de localhost en dur
- Dockerfile multi-stage pnpm build -> nginx (fallback SPA)
- docker-compose (Watchtower) + .gitea/workflows/build.yml

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/services/theapi.ts

@@ -0,0 +1,22 @@
+// Injecté au build par Vite (VITE_API_URL). Repli sur le backend local en dev.
+export const API_URL = import.meta.env.VITE_API_URL ?? "http://127.0.0.1:8000";
+
+export type ApiDocument = {
+  id: number;
+  title: string;
+  ingredient: string;
+  source: string;
+  type: string;
+  date?: string | null;
+  pdf_url: string;
+};
+
+export async function getDocuments(): Promise<ApiDocument[]> {
+  const res = await fetch(`${API_URL}/documents`);
+  if (!res.ok) throw new Error(`API error: ${res.status}`);
+  return res.json();
+}
+
+export function openPdf(pdfUrl: string): void {
+  window.open(pdfUrl, "_blank", "noopener,noreferrer");
+}