docs: clarify session search scope (#774)

packages/client/src/components/hermes/chat/SessionSearchModal.vue

@@ -231,6 +231,7 @@ onUnmounted(() => {
         <div class="search-title">{{ t('chat.searchSubtitle') }}</div>
         <div class="search-hint">{{ t('chat.searchHint') }}</div>
       </div>
+      <div class="search-scope">{{ t('chat.searchScope') }}</div>
 
       <NInput
         ref="inputRef"
@@ -309,6 +310,12 @@ onUnmounted(() => {
   color: $text-muted;
 }
 
+.search-scope {
+  font-size: 12px;
+  color: $text-muted;
+  line-height: 1.5;
+}
+
 .search-body {
   max-height: min(60vh, 540px);
   overflow: hidden;

packages/client/src/i18n/locales/en.ts

@@ -169,6 +169,7 @@ export default {
     noSessions: 'No sessions',
     searchTitle: 'Search Sessions',
     searchSubtitle: 'Search by title or message content',
+    searchScope: 'Search scope: Web UI local session database only. Read-only Hermes history sessions are not included.',
     searchHint: 'Cmd/Ctrl+K',
     searchPlaceholder: 'Search sessions...',
     searchEmpty: 'Recent sessions',

packages/client/src/i18n/locales/zh-TW.ts

@@ -168,6 +168,7 @@ export default {
     noSessions: '目前無工作階段',
     searchTitle: '搜尋工作階段',
     searchSubtitle: '依標題或訊息內容搜尋',
+    searchScope: '搜尋範圍：僅 Web UI 本地工作階段資料庫；不包含唯讀 Hermes 歷史工作階段。',
     searchHint: 'Cmd/Ctrl+K',
     searchPlaceholder: '搜尋工作階段...',
     searchEmpty: '最近工作階段',

packages/client/src/i18n/locales/zh.ts

@@ -169,6 +169,7 @@ export default {
     noSessions: '暂无会话',
     searchTitle: '搜索会话',
     searchSubtitle: '按标题或消息内容搜索',
+    searchScope: '搜索范围：仅 Web UI 本地会话库；不包含只读 Hermes 历史会话。',
     searchHint: 'Cmd/Ctrl+K',
     searchPlaceholder: '搜索会话...',
     searchEmpty: '最近会话',