versioning added

prisma/migrations/20260625110000_add_shot_version/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "shots" ADD COLUMN "shotVersion" TEXT NOT NULL DEFAULT 'v001';

prisma/schema.prisma

@@ -309,6 +309,8 @@ model Shot {
   // High-res deliverable (stored in Hetzner Object Storage)
   highResKey      String?
   highResFilename String?
+  // Shot-level version tracking (e.g. v001, v002)
+  shotVersion     String       @default("v001")
   createdAt   DateTime     @default(now())
   updatedAt   DateTime     @updatedAt