fix: WRONGTYPE 错误处理 - key 类型变更时不崩溃

- loadKeyData: 类型特定命令 (SCARD/LLEN 等) 失败时重新获取 key 类型,
  避免显示错误的编辑器
- SetEditor.loadMembers: 添加 catch 块, WRONGTYPE 时清空成员列表而非
  抛出未捕获异常

src/renderer/src/components/SetEditor.vue

@@ -20,6 +20,8 @@ async function loadMembers() {
   loading.value = true
   try {
     members.value = await window.electronAPI.redis.setMembers(connStore.activeId, keyStore.selectedKey)
+  } catch {
+    members.value = []
   } finally {
     loading.value = false
   }

src/renderer/src/stores/key.ts

@@ -138,6 +138,7 @@ export const useKeyStore = defineStore('key', () => {
       await loadKeyTypeAndTTL(connId, key)
       selectedKey.value = key
 
+      try {
         switch (selectedType.value) {
           case 'string':
             keyData.value = await window.electronAPI.redis.getString(connId, key)
@@ -174,6 +175,13 @@ export const useKeyStore = defineStore('key', () => {
           default:
             keyData.value = null
         }
+      } catch {
+        // Type might have changed between TYPE check and the type-specific
+        // command (e.g. key was overwritten). Re-fetch the type so the
+        // correct editor is shown.
+        await loadKeyTypeAndTTL(connId, key)
+        keyData.value = null
+      }
     } finally {
       loading.value = false
     }