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.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/api/youtube/playlists/route.ts

@@ -1,5 +1,4 @@
 import { NextRequest, NextResponse } from "next/server";
-import { hasProFeatures } from "@/lib/edition";
 import { getSessionUser } from "@/lib/session";
 import { parseCreatePlaylistInput } from "@/lib/jobs/resolve-playlist";
 import { createYouTubePlaylist, listYouTubePlaylists } from "@/lib/youtube/upload";
@@ -9,15 +8,6 @@ async function requirePremiumYouTubeUser() {
   if (!user) {
     return { error: NextResponse.json({ error: "Unauthorized" }, { status: 401 }), user: null };
   }
-  if (!hasProFeatures(user.plan)) {
-    return {
-      error: NextResponse.json(
-        { error: "Playlist features are available on the Pro plan only" },
-        { status: 403 },
-      ),
-      user: null,
-    };
-  }
   if (!user.youtubeConnection) {
     return {
       error: NextResponse.json({ error: "YouTube account not connected" }, { status: 403 }),