feat(attachments): depolama soyutlaması, içerikten tür tespiti, sharp/HEIC dönüşümü ve yetkili dosya servisi

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "butcem",
-  "version": "0.5.0",
+  "version": "0.6.0",
   "private": true,
   "description": "BÜTÇEM — aile bütçe, cari, birikim, ev stoğu ve akıllı alışveriş uygulaması",
   "engines": {
@@ -22,7 +22,8 @@
     "seed:reset": "tsx --conditions=react-server --env-file=.env.local scripts/seed.ts --reset",
     "icons": "tsx scripts/generate-icons.ts",
     "test:integration": "vitest run --config vitest.integration.config.mts",
-    "migrate": "tsx --conditions=react-server --env-file=.env.local scripts/migrate.ts"
+    "migrate": "tsx --conditions=react-server --env-file=.env.local scripts/migrate.ts",
+    "cleanup": "tsx --conditions=react-server --env-file=.env.local scripts/cleanup.ts"
   },
   "dependencies": {
     "@hookform/resolvers": "^7.0.2",
@@ -30,6 +31,8 @@
     "better-auth": "^1.7.17",
     "class-variance-authority": "^0.7.1",
     "cn": "^0.5.2",
+    "embla-carousel-react": "^8.6.0",
+    "heic-decode": "^2.1.0",
     "lucide-react": "^1.68.0",
     "mongodb": "~7.7",
     "mongoose": "^9.11.4",