Strip Songs2VID to a payment-free self-hosted OSS core.

Remove Stripe/billing/pricing/marketing, simplify schema and entitlements for unlimited self-host use, and keep auth, encode, and YouTube upload.

app/api/account/api-key/route.ts

@@ -1,6 +1,5 @@
 import { NextResponse } from "next/server";
 import { createUserApiKey, getUserApiKeyStatus, revokeUserApiKey } from "@/lib/api-keys";
-import { hasProFeatures } from "@/lib/edition";
 import { getSessionUser } from "@/lib/session";
 
 async function requireApiKeyAccess() {
@@ -8,15 +7,6 @@ async function requireApiKeyAccess() {
   if (!user) {
     return { error: NextResponse.json({ error: "Unauthorized" }, { status: 401 }), user: null };
   }
-  if (!hasProFeatures(user.plan)) {
-    return {
-      error: NextResponse.json(
-        { error: "API keys are available on the Pro plan only" },
-        { status: 403 },
-      ),
-      user: null,
-    };
-  }
   return { error: null, user };
 }