chore: add frontend staging and production env config

frontend/.env.production

@@ -0,0 +1,2 @@
+# Production API base URL for Vite build --mode production
+VITE_API_BASE_URL=https://hairstylist.aitori.com/api/v1

frontend/.env.staging

@@ -0,0 +1,2 @@
+# Staging API base URL for Vite build --mode staging
+VITE_API_BASE_URL=https://test-hairstylist.aitori.com/api/v1

frontend/.gitignore

@@ -17,6 +17,8 @@ dist-ssr
 *.local
 .env
 .env.*
+!.env.staging
+!.env.production
 storage/
 
 # Editor directories and files

frontend/package.json

@@ -7,6 +7,8 @@
     "dev": "vite",
     "dev:stack": "node scripts/dev-runner.mjs",
     "build": "tsc --noEmit && vite build",
+    "build:staging": "tsc --noEmit && vite build --mode staging",
+    "build:prod": "tsc --noEmit && vite build --mode production",
     "lint": "eslint .",
     "preview": "vite preview",
     "typecheck": "tsc --noEmit",