initial commit

src/components/SeedInitializer.tsx

@@ -0,0 +1,20 @@
+import { useEffect, useRef } from "react";
+import { useMutation } from "convex/react";
+import { api } from "../../convex/_generated/api";
+
+/** Legt Standard-Kategorien an, sobald die Auth-Session am Client aktiv ist. */
+export function SeedInitializer() {
+  const ensureSeeded = useMutation(api.users.ensureSeeded);
+  const ran = useRef(false);
+
+  useEffect(() => {
+    if (ran.current) return;
+    ran.current = true;
+    void ensureSeeded({}).catch((error) => {
+      ran.current = false;
+      console.error("ensureSeeded fehlgeschlagen:", error);
+    });
+  }, [ensureSeeded]);
+
+  return null;
+}