chore: merge delta-force-guide-web into web/

git-subtree-dir: web
git-subtree-mainline: 25da2564a4
git-subtree-split: e4aa5b988b

web/.env.example

@@ -0,0 +1,21 @@
+# ENVIRONMENT CONFIGURATION TEMPLATE
+#
+# This file serves as a template for environment variables.
+# DO NOT include any sensitive data (passwords, API keys, etc.) in this file.
+#
+# INSTRUCTIONS
+# 1. Copy this file to `.env`, `.env.development`, or `.env.production` depending on your
+#    target environment.
+# 2. Replace the placeholder values with your actual configuration.
+# 3. Alternatively, ensure these variables are defined within your system's environment
+#    settings before running the application.
+
+# The base URL fot the backend API service.
+# Ensure this matches your Spring Boot server address (e.g., http://localhost:8080).
+VITE_API_BASE_URL=/api
+
+# Determines where Redux state is persisted on the client side.
+# Available options:
+# - `local`:   Persists data in LocalStorage (remains after closing the browser).
+# - `session`: Persists data in SessionStorage (cleared when the tab is closed).
+VITE_REDUX_STORAGE=local