Fix-convert-V2 (#5147)

Custom processors can now return consume all inputs flag. This allows to
have many inputs to single output consumption

Fixed multi call conversion logic

frontend/src/core/utils/automationExecutor.ts

@@ -158,8 +158,8 @@ export const executeToolOperationWithPrefix = async (
   try {
     // Check if tool uses custom processor (like Convert tool)
     if (config.customProcessor) {
-      const resultFiles = await config.customProcessor(parameters, files);
-      return resultFiles;
+      const result = await config.customProcessor(parameters, files);
+      return result.files;
     }
 
     // Execute based on tool type

frontend/src/core/utils/convertUtils.ts

@@ -60,6 +60,18 @@ export const isWebFormat = (extension: string): boolean => {
   return ['html', 'zip'].includes(extension.toLowerCase());
 };
 
+/**
+ * Checks if the given extension is an office format (Word, Excel, PowerPoint, OpenOffice)
+ * These formats use LibreOffice for conversion and require individual file processing
+ */
+export const isOfficeFormat = (extension: string): boolean => {
+  return [
+    'docx', 'doc', 'odt',  // Word processors
+    'xlsx', 'xls', 'ods',  // Spreadsheets
+    'pptx', 'ppt', 'odp'   // Presentations
+  ].includes(extension.toLowerCase());
+};
+
 /**
  * Gets available target extensions for a given source extension
  * Extracted from useConvertParameters to be reusable in automation settings

frontend/src/core/utils/fileUtils.ts

@@ -52,6 +52,29 @@ export function detectFileExtension(filename: string): string {
   return extension;
 }
 
+/**
+ * Removes the file extension from a filename
+ * @param filename - The filename to process
+ * @param options - Options for processing
+ * @param options.preserveCase - If true, preserves original case. If false (default), converts to lowercase
+ * @returns Filename without extension
+ * @example
+ * getFilenameWithoutExtension('document.pdf') // 'document'
+ * getFilenameWithoutExtension('my.file.name.txt') // 'my.file.name'
+ * getFilenameWithoutExtension('REPORT.PDF', { preserveCase: true }) // 'REPORT'
+ */
+export function getFilenameWithoutExtension(
+  filename: string,
+  options: { preserveCase?: boolean } = {}
+): string {
+  if (!filename || typeof filename !== 'string') return '';
+
+  const { preserveCase = false } = options;
+  const withoutExtension = filename.replace(/\.[^.]+$/, '');
+
+  return preserveCase ? withoutExtension : withoutExtension.toLowerCase();
+}
+
 /**
  * Checks if a file is a PDF based on extension and MIME type
  * @param file - File or file-like object with name and type properties