feat(searchHistory): 优化上下键使用场景

src/renderer/src/components/ChatInput.vue

@@ -925,9 +925,17 @@ function onKeydown(e: KeyboardEvent) {
     handleEditorEnter(e)
     e.preventDefault()
   }
+
   if (e.code === 'ArrowUp') {
     const contentEditableDiv = e.target as HTMLDivElement
     if (isCursorInFirstLine(contentEditableDiv)) {
+      const currentContent = editor.getText().trim()
+
+      // 如果当前有内容，先将其插入到搜索历史的当前位置
+      if (currentContent) {
+        searchHistory.insertAtCurrent(currentContent)
+      }
+
       const previousSearch = searchHistory.getPrevious()
       if (previousSearch !== null) {
         editor.commands.setContent(previousSearch)
@@ -937,6 +945,13 @@ function onKeydown(e: KeyboardEvent) {
   } else if (e.code === 'ArrowDown') {
     const contentEditableDiv = e.target as HTMLDivElement
     if (isCursorInLastLine(contentEditableDiv)) {
+      const currentContent = editor.getText().trim()
+
+      // 如果当前有内容，先将其插入到搜索历史的当前位置
+      if (currentContent) {
+        searchHistory.insertAtCurrent(currentContent)
+      }
+
       const nextSearch = searchHistory.getNext()
       if (nextSearch !== null) {
         editor.commands.setContent(nextSearch)

src/renderer/src/lib/searchHistory.ts

@@ -45,6 +45,40 @@ export class SearchHistory {
     this.currentIndex = -1 // Reset index when clearing history
     console.log('Search history cleared')
   }
+
+  insertAtCurrent(query: string) {
+    if (!query || query.trim() === '') return
+
+    const trimmedQuery = query.trim()
+
+    // 如果当前索引在历史记录末尾，直接添加
+    if (this.currentIndex >= this.history.length) {
+      this.addSearch(trimmedQuery)
+      return
+    }
+
+    // 检查是否与当前位置的内容相同，避免重复
+    if (this.history[this.currentIndex] === trimmedQuery) {
+      return
+    }
+
+    // 检查是否与最后一条记录相同，避免重复
+    if (this.history[this.history.length - 1] === trimmedQuery) {
+      return
+    }
+
+    // 如果 history 已经满了，移除最旧的记录
+    if (this.history.length >= this.maxHistorySize) {
+      this.history.shift()
+      this.currentIndex = Math.max(0, this.currentIndex - 1)
+    }
+
+    // 在当前索引位置插入新内容
+    this.history.splice(this.currentIndex, 0, trimmedQuery)
+    this.currentIndex = this.history.length // 重置索引到末尾
+
+    console.log('Search history inserted at current position:', this.history)
+  }
 }
 
 export const searchHistory = new SearchHistory(100) // Create a new instance with a maximum size of 100