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>

lib/watermark.ts

@@ -30,7 +30,7 @@ export type WatermarkSettings = {
   offsetX: number;
   offsetY: number;
   /**
-   * Typography (Pro / text mode).
+   * Typography (text mode).
    * `system` = FFmpeg default; curated keys map to assets/fonts; `custom` uses fontPath.
    */
   fontKey?: WatermarkFontKey;
@@ -178,7 +178,7 @@ export function normalizeWatermarkSettings(
   };
 }
 
-/** True when settings go beyond Free-tier default branding toggle. */
+/** True when settings go beyond the default branding toggle. */
 export function requiresCustomWatermarkEntitlement(settings: WatermarkSettings): boolean {
   if (settings.mode === "text" || settings.mode === "logo") return true;
   if (settings.mode === "none") return false;
@@ -189,4 +189,3 @@ export function requiresCustomWatermarkEntitlement(settings: WatermarkSettings):
   return false;
 }
 
-export const PREMIUM_REQUIRED_CODE = "PREMIUM_REQUIRED" as const;