从小熊那拷贝一份

.env.example

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+# Sub2API origin used by the Vite dev proxy
+SUB2API_BASE_URL=https://sub2api.example.com
+
+# Injected by the Vite proxy as x-api-key (dev). Not exposed to the browser.
+ADMIN_API_KEY=admin-your-key
+
+# Baked into the production JS as x-api-key (LAN deploy).
+VITE_ADMIN_API_KEY=admin-your-key
+
+# API prefix. Keep /api/v1 when the page is served on the same host as Sub2API.
+VITE_API_BASE=/api/v1