Server is running.
GET / - HomeGET /register - Register UIPOST /register - Register userPOST /check - Verify HWID (requires X-API-Key)GET or POST /userinfo - Fetch userinfo (requires X-API-Key)POST /save-userinfo - Save settings/userinfo (requires X-API-Key)GET /assets/bg - List backgrounds (requires X-API-Key)GET /assets/decor - List decor overlays (requires X-API-Key)GET /assets/profile - List profile samples (requires X-API-Key)GET /assets/all - List all assets (requires X-API-Key)GET /health - Health check