feat: auto-update JSON template with environment params

src/App.tsx

@@ -49,12 +49,14 @@ function App() {
       }
       return newEnvs;
     });
-    
-    // Also update config.envs to keep it in sync
+
+    // Also update config.envs and template to keep them in sync
     setConfig(prevConfig => {
       const newConfig = new Config();
       newConfig.envs = prevConfig.envs.map(e => e.id === env.id ? env : e);
+      // Update template JSON with params from this environment
       newConfig.template = prevConfig.template;
+      newConfig.updateTemplateFromEnv(env);
       return newConfig;
     });