Add lower-corner layouts, custom blur backgrounds, and classic blur fill.

Ship composition families, optional background images for lower-corner templates, and an optional blurred cover fill for classic letterbox.

prisma/migrations/20260806220000_add_background_image_path/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "JobItem" ADD COLUMN "backgroundImagePath" TEXT;

prisma/migrations/20260806230000_add_blur_fill/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "JobItem" ADD COLUMN "blurFill" BOOLEAN NOT NULL DEFAULT false;

prisma/schema.prisma

@@ -82,6 +82,8 @@ model JobItem {
   creativeCommons   Boolean       @default(false)
   includeWatermark  Boolean       @default(false)
   itemImagePath     String?
+  /// Optional full-frame background for lower-corner layouts (blur fill). Cover stays foreground.
+  backgroundImagePath String?
   watermarkMode     String        @default("none")
   watermarkText     String?
   watermarkLogoPath String?
@@ -93,10 +95,13 @@ model JobItem {
   artist            String?
   songTitle         String?
   layoutTemplate    String?
+  /// Classic letterbox: fill black bars with blurred cover
+  blurFill          Boolean       @default(false)
   blurAmount        Int           @default(55)
   blurOpacity       Int           @default(100)
   textPadding       Int           @default(48)
   titleArtistGap    Int           @default(10)
+  titleBold         Boolean       @default(true)
   textOffsetX       Int           @default(0)
   textOffsetY       Int           @default(0)
   playlistId        String?