ux: 优化 Key 搜索区布局和操作逻辑

- 去掉 MATCH 前缀标签, 改为搜索图标 (Search icon prefix)
- Go 按钮改为搜索图标按钮, 带 tooltip 说明通配符用法
- Filter 输入框加 Filter 图标前缀, 与扫描区分
- placeholder 更新: '扫描 Key (如 user:*, 支持 * ?)'
- 新增 scanHint i18n (5 语言): 说明 * ? 通配符和回车扫描

src/renderer/src/components/KeyList.vue

@@ -520,8 +520,8 @@ onUnmounted(() => {
           @focus="showHistory = searchHistory.length > 0"
           @blur="handleHistoryBlur"
         >
-          <template #prepend>
-            <span class="pattern-label">MATCH</span>
+          <template #prefix>
+            <el-icon class="search-icon"><Search /></el-icon>
           </template>
         </el-input>
         <div v-if="showHistory && searchHistory.length > 0" class="history-dropdown">
@@ -542,7 +542,11 @@ onUnmounted(() => {
           </div>
         </div>
       </div>
-      <el-button size="small" type="primary" @click="applyPattern">Go</el-button>
+      <el-tooltip :content="t('key.scanHint')" placement="bottom">
+        <el-button size="small" type="primary" @click="applyPattern">
+          <el-icon><Search /></el-icon>
+        </el-button>
+      </el-tooltip>
     </div>
 
     <div class="key-toolbar">
@@ -552,7 +556,11 @@ onUnmounted(() => {
         size="small"
         clearable
         class="filter-input"
-      />
+      >
+        <template #prefix>
+          <el-icon class="search-icon"><Filter /></el-icon>
+        </template>
+      </el-input>
       <el-button size="small" @click="importKeys" :disabled="!connStore.activeId" class="import-btn">
         {{ t('key.importKeys') }}
       </el-button>
@@ -710,16 +718,8 @@ onUnmounted(() => {
   flex: 1;
 }
 
-.pattern-label {
-  font-size: 10px;
-  font-weight: 700;
-  color: var(--accent-light);
-}
-
-.pattern-input :deep(.el-input-group__prepend) {
-  background: var(--bg-tertiary);
-  border-color: var(--border-color);
-  color: var(--accent-light);
+.search-icon {
+  color: var(--text-muted);
 }
 
 .key-toolbar {

src/renderer/src/i18n/locales/de.ts

@@ -102,7 +102,8 @@ export default {
     selected: '{n} ausgewählt',
     selectKey: 'Wählen Sie einen Schlüssel für Details',
     unsupported: 'Typ "{type}"-Anzeige noch nicht implementiert',
-    patternPlaceholder: 'Schlüsselmuster (z.B. user:*)',
+    patternPlaceholder: 'Schlüssel scannen (z.B. user:*, * ? unterstützt)',
+    scanHint: 'Schlüssel auf dem Redis-Server scannen. * passt zu beliebigen Zeichen, ? zu einem einzelnen Zeichen. Enter zum Scannen.',
     searchHistory: 'Suchverlauf',
     clearHistory: 'Verlauf löschen',
     noHistory: 'Kein Verlauf',

src/renderer/src/i18n/locales/en.ts

@@ -102,7 +102,8 @@ export default {
     selected: '{n} selected',
     selectKey: 'Select a key to view details',
     unsupported: 'Type "{type}" viewer not yet implemented',
-    patternPlaceholder: 'Key pattern (e.g. user:*)',
+    patternPlaceholder: 'Scan keys (e.g. user:*, supports * ?)',
+    scanHint: 'Scan keys on Redis server. * matches any characters, ? matches a single character. Press Enter to scan.',
     searchHistory: 'Search History',
     clearHistory: 'Clear History',
     noHistory: 'No history',

src/renderer/src/i18n/locales/ja.ts

@@ -102,7 +102,8 @@ export default {
     selected: '{n} 個選択済み',
     selectKey: 'キーを選択して詳細を表示',
     unsupported: 'タイプ "{type}" のビューアーは未実装です',
-    patternPlaceholder: 'キーパターン (例: user:*)',
+    patternPlaceholder: 'キーをスキャン (例: user:*, * ? 対応)',
+    scanHint: 'Redisサーバーでキーをスキャン。* は任意の文字列、? は1文字に一致。Enterでスキャン。',
     searchHistory: '検索履歴',
     clearHistory: '履歴をクリア',
     noHistory: '履歴なし',

src/renderer/src/i18n/locales/ko.ts

@@ -102,7 +102,8 @@ export default {
     selected: '{n}개 선택됨',
     selectKey: '키를 선택하여 세부 정보 보기',
     unsupported: '"{type}" 유형 뷰어가 아직 구현되지 않았습니다',
-    patternPlaceholder: '키 패턴 (예: user:*)',
+    patternPlaceholder: '키 스캔 (예: user:*, * ? 지원)',
+    scanHint: 'Redis 서버에서 키를 스캔합니다. * 는 임의의 문자, ? 는 단일 문자와 일치. Enter로 스캔.',
     searchHistory: '검색 기록',
     clearHistory: '기록 지우기',
     noHistory: '기록 없음',

src/renderer/src/i18n/locales/zh-CN.ts

@@ -102,7 +102,8 @@ export default {
     selected: '已选 {n} 项',
     selectKey: '选择一个键查看详情',
     unsupported: '类型 "{type}" 查看器尚未实现',
-    patternPlaceholder: '键模式 (例如 user:*)',
+    patternPlaceholder: '扫描 Key (如 user:*, 支持 * ?)',
+    scanHint: '在 Redis 服务端按模式扫描 Key。* 匹配任意字符, ? 匹配单个字符。回车扫描。',
     searchHistory: '搜索历史',
     clearHistory: '清除历史',
     noHistory: '暂无历史',