feat: upgrade AI prompts to v2 specification with grounding and injection shield

package.json

@@ -15,6 +15,7 @@
   "type": "commonjs",
   "dependencies": {
     "@supabase/supabase-js": "^2.112.2",
+    "adm-zip": "^0.6.0",
     "cors": "^2.8.6",
     "dotenv": "^17.4.2",
     "express": "^5.2.1",
@@ -29,6 +30,7 @@
     "tesseract.js": "^7.0.0"
   },
   "devDependencies": {
+    "@types/adm-zip": "^0.5.8",
     "@types/cors": "^2.8.19",
     "@types/express": "^5.0.6",
     "@types/multer": "^2.2.0",