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.

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

prisma/migrations/20260714185235_add_quota_extension_requests/migration.sql

@@ -0,0 +1,21 @@
+-- CreateEnum
+CREATE TYPE "QuotaExtensionRequestStatus" AS ENUM ('PENDING', 'APPROVED', 'REJECTED');
+
+-- AlterTable
+ALTER TABLE "User" ADD COLUMN     "bonusQuota" INTEGER NOT NULL DEFAULT 0;
+
+-- CreateTable
+CREATE TABLE "QuotaExtensionRequest" (
+    "id" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "status" "QuotaExtensionRequestStatus" NOT NULL DEFAULT 'PENDING',
+    "message" TEXT NOT NULL DEFAULT '',
+    "requestedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "processedAt" TIMESTAMP(3),
+    "adminNote" TEXT,
+
+    CONSTRAINT "QuotaExtensionRequest_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "QuotaExtensionRequest" ADD CONSTRAINT "QuotaExtensionRequest_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;