fix: strip api/ prefix from externalDocs, remove harmful filtering, fix nested folder click

src/components/ApiDocViewer.tsx

@@ -65,22 +65,13 @@ export const ApiDocViewer = ({ onDocsPathChange, showAddModal, onCloseAddModal }
       for (const file of files) {
         const content = await window.electronAPI.readDocFile(file.path)
         if (content) {
-          docs.push({ name: file.name, path: file.path, relativePath: file.relativePath, content })
+          docs.push({ name: file.name, path: file.path, relativePath: file.relativePath.replace(/^api\//, ''), content })
         }
       }
       
       setExternalDocs(docs)
       
-      // 过滤掉与父文件夹同名的 md 文件，只用于目录树显示
-      const filteredDocs = docs.filter(doc => {
-        const parts = doc.relativePath.split('/')
-        if (parts.length < 2) return true
-        const filename = parts[parts.length - 1].replace(/\.md$/, '')
-        const parentFolder = parts[parts.length - 2]
-        return filename !== parentFolder
-      })
-      
-      const fileList = filteredDocs.map(d => d.relativePath.replace(/^api\//, ''))
+      const fileList = docs.map(d => d.relativePath)
       const tree = buildFileTree(fileList, '/')
       setFileTree(tree)
       
@@ -106,12 +97,14 @@ export const ApiDocViewer = ({ onDocsPathChange, showAddModal, onCloseAddModal }
   }, [externalDocs])
 
   const handleFolderClick = useCallback((folderPath: string) => {
+    const parts = folderPath.split('/')
+    const basename = parts[parts.length - 1]
     const sameNameDoc = externalDocs.find(d =>
-      d.relativePath.endsWith(`/${folderPath}.md`)
+      d.relativePath.endsWith(`/${basename}.md`)
     )
     
     if (sameNameDoc) {
-      setSelectedPath(sameNameDoc.relativePath.replace(/^api\//, ''))
+      setSelectedPath(sameNameDoc.relativePath)
       setCurrentContent(sameNameDoc.content)
     }
   }, [externalDocs])
@@ -133,7 +126,7 @@ export const ApiDocViewer = ({ onDocsPathChange, showAddModal, onCloseAddModal }
       return docPath === ref || docPath.endsWith('/' + ref.split('/').pop())
     })
     if (match) {
-      setSelectedPath(match.relativePath.replace(/^api\//, ''))
+      setSelectedPath(match.relativePath)
       setCurrentContent(match.content)
     }
   }, [externalDocs])