fix(k3s): reject HTML responses and extend CAPTCHA expiration

flux/infrastructure/infra-net/configmap-static.yaml

@@ -437,7 +437,7 @@ data:
             const response = await fetch(newRequest)
     
             // 检查响应状态
-            if (!response.ok) throw new Error('PWA-CDN: Non-2xx response detected')
+            if (!response.ok || response.headers.get('content-type')?.includes('text/html')) throw new Error('PWA-CDN: Invalid response detected')
     
             return response
         } catch (error) {
@@ -458,4 +458,3 @@ data:
         if (config.debug) console.log('PWA-CDN: Service Worker activated')
         self.clients.claim().catch(console.error)
     })
-