Align preview typography with FFmpeg output, add video/song title split, and ship OSS updates.

Separate YouTube video titles from on-video song/artist fields with Pro gating, serve curated fonts and watermark assets for 1:1 preview parity, and include billing/API/docs/deploy stack for self-hosted release.

lib/legal/constants.ts

@@ -0,0 +1,15 @@
+import { SUPPORT_EMAIL, SALES_EMAIL, QUOTA_REQUEST_EMAIL } from "@/lib/plans";
+import { BRAND_DOMAIN, BRAND_NAME } from "@/lib/branding";
+
+export const LEGAL_LAST_UPDATED = "July 25, 2026";
+
+export const LEGAL_OPERATOR = {
+  name: BRAND_NAME,
+  legalName: "Atakan Doğan Özban",
+  address: "Universitas u. 2/A",
+  city: "7622 Pécs, Hungary",
+  email: SUPPORT_EMAIL,
+  salesEmail: SALES_EMAIL,
+  quotaRequestEmail: QUOTA_REQUEST_EMAIL,
+  website: `https://www.${BRAND_DOMAIN}`,
+} as const;