style: remove keys card border

frontend/packages/core/src/pages/aiSetting/components/KeyStatusNode.tsx

@@ -39,7 +39,7 @@ export const KeyStatusNode: React.FC<{ data: KeyStatusNodeData }> = ({ data }) =
                 height: KEY_SIZE
               }}
               className={`
-                  rounded-md flex-shrink-0
+                  flex-shrink-0
                   ${key.status === 'normal' ? 'bg-green-500' : 'bg-red-500'}
                   transition-all duration-200 hover:opacity-80
                 `}

frontend/packages/core/src/pages/aiSetting/constants.ts

@@ -2,6 +2,6 @@ export const LAYOUT = {
   SERVICE_NODE_X: 50,
   NODE_START_Y: 20,
   NODE_GAP: 120,
-  MODEL_NODE_X: 300,
+  MODEL_NODE_X: 500,
   KEY_NODE_X: 900,
 } as const;

frontend/packages/core/src/pages/keySettings/index.tsx

@@ -185,7 +185,7 @@ const KeySettings: React.FC = () => {
       scrollPage={false}
     >
       <Space className="flex items-center">
-        <span>{$t('选择AI模型供应商')}:</span>
+        <span>{$t('AI 供应商')}:</span>
         <Select
           key="provider"
           value={selectedProvider}