Initial commit: WordPress wp-content (themes, plugins, languages)

- Theme: momentry (custom theme with REST API routes)
- Plugins: code-snippets (contains all API proxies)
- Languages: zh_TW translations
- Excludes: cache, backups, uploads, logs

plugins/code-snippets/js/components/Import/FromFileUpload/hooks/useFileSelection.ts

@@ -0,0 +1,42 @@
+import { useState, useRef } from 'react'
+import { removeFileFromList } from '../utils/fileUtils'
+
+export const useFileSelection = () => {
+	const [selectedFiles, setSelectedFiles] = useState<FileList | null>(null)
+	const fileInputRef = useRef<HTMLInputElement>(null)
+
+	const handleFileSelect = (files: FileList | null) => {
+		setSelectedFiles(files)
+	}
+
+	const removeFile = (index: number) => {
+		if (!selectedFiles) return
+		
+		const newFiles = removeFileFromList(selectedFiles, index)
+		setSelectedFiles(newFiles)
+		
+		if (fileInputRef.current) {
+			fileInputRef.current.files = newFiles
+		}
+	}
+
+	const clearFiles = () => {
+		setSelectedFiles(null)
+		if (fileInputRef.current) {
+			fileInputRef.current.value = ''
+		}
+	}
+
+	const triggerFileInput = () => {
+		fileInputRef.current?.click()
+	}
+
+	return {
+		selectedFiles,
+		fileInputRef,
+		handleFileSelect,
+		removeFile,
+		clearFiles,
+		triggerFileInput
+	}
+}