Refactor and add alt text generator

prisma/migrations/20250701224958_image_unique/migration.sql

@@ -0,0 +1,12 @@
+/*
+  Warnings:
+
+  - A unique constraint covering the columns `[fileKey]` on the table `Image` will be added. If there are existing duplicate values, this will fail.
+  - A unique constraint covering the columns `[originalFile]` on the table `Image` will be added. If there are existing duplicate values, this will fail.
+
+*/
+-- CreateIndex
+CREATE UNIQUE INDEX "Image_fileKey_key" ON "Image"("fileKey");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Image_originalFile_key" ON "Image"("originalFile");