Review step

frontend/src/components/tools/shared/ResultsPreview.tsx

@@ -1,113 +0,0 @@
-import { Grid, Paper, Box, Image, Text, Loader, Stack, Center } from '@mantine/core';
-
-export interface ResultFile {
-  file: File;
-  thumbnail?: string;
-}
-
-export interface ResultsPreviewProps {
-  files: ResultFile[];
-  isGeneratingThumbnails?: boolean;
-  onFileClick?: (file: File) => void;
-  title?: string;
-  emptyMessage?: string;
-  loadingMessage?: string;
-}
-
-const ResultsPreview = ({
-  files,
-  isGeneratingThumbnails = false,
-  onFileClick,
-  title,
-  emptyMessage = "No files to preview",
-  loadingMessage = "Generating previews..."
-}: ResultsPreviewProps) => {
-  const formatSize = (size: number) => {
-    if (size > 1024 * 1024) return `${(size / (1024 * 1024)).toFixed(1)} MB`;
-    if (size > 1024) return `${(size / 1024).toFixed(1)} KB`;
-    return `${size} B`;
-  };
-
-  if (files.length === 0 && !isGeneratingThumbnails) {
-    return (
-      <Text size="sm" c="dimmed">
-        {emptyMessage}
-      </Text>
-    );
-  }
-
-  return (
-    <Box mt="lg" p="md" style={{ backgroundColor: 'var(--mantine-color-gray-0)', borderRadius: 8 }} data-testid="results-preview-container">
-      {title && (
-        <Text fw={500} size="md" mb="sm" data-testid="results-preview-title">
-          {title} ({files.length} files)
-        </Text>
-      )}
-
-      {isGeneratingThumbnails ? (
-        <Center p="lg" data-testid="results-preview-loading">
-          <Stack align="center" gap="sm">
-            <Loader size="sm" />
-            <Text size="sm" c="dimmed">{loadingMessage}</Text>
-          </Stack>
-        </Center>
-      ) : (
-        <Grid data-testid="results-preview-grid">
-          {files.map((result, index) => (
-            <Grid.Col span={{ base: 6, sm: 4, md: 3 }} key={index}>
-              <Paper
-                p="xs"
-                withBorder
-                onClick={() => onFileClick?.(result.file)}
-                data-testid={`results-preview-thumbnail-${index}`}
-                style={{
-                  textAlign: 'center',
-                  height: '10rem',
-                  width:'5rem',
-                  display: 'flex',
-                  flexDirection: 'column',
-                  cursor: onFileClick ? 'pointer' : 'default',
-                  transition: 'all 0.2s ease'
-                }}
-              >
-                <Box style={{ flex: 1, display: 'flex', alignItems: 'center', justifyContent: 'center' }}>
-                  {result.thumbnail ? (
-                    <Image
-                      src={result.thumbnail}
-                      alt={`Preview of ${result.file.name}`}
-                      style={{
-                        maxWidth: '100%',
-                        maxHeight: '9rem',
-                        objectFit: 'contain'
-                      }}
-                    />
-                  ) : (
-                    <Text size="xs" c="dimmed">No preview</Text>
-                  )}
-                </Box>
-                <Text
-                  size="xs"
-                  c="dimmed"
-                  mt="xs"
-                  style={{
-                    overflow: 'hidden',
-                    textOverflow: 'ellipsis',
-                    whiteSpace: 'nowrap'
-                  }}
-                  title={result.file.name}
-                >
-                  {result.file.name}
-                </Text>
-                <Text size="xs" c="dimmed">
-                  {formatSize(result.file.size)}
-                </Text>
-              </Paper>
-            </Grid.Col>
-          ))}
-        </Grid>
-      )}
-    </Box>
-  );
-}
-
-export default ResultsPreview;

frontend/src/components/tools/shared/ReviewPanel.tsx

@@ -0,0 +1,245 @@
+import React, { useState } from 'react';
+import { Paper, Box, Image, Text, Loader, Stack, Center, Group, ActionIcon, Flex } from '@mantine/core';
+import ChevronLeftIcon from '@mui/icons-material/ChevronLeft';
+import ChevronRightIcon from '@mui/icons-material/ChevronRight';
+import VisibilityIcon from '@mui/icons-material/Visibility';
+
+export interface ReviewFile {
+  file: File;
+  thumbnail?: string;
+}
+
+export interface ReviewPanelProps {
+  files: ReviewFile[];
+  isGeneratingThumbnails?: boolean;
+  onFileClick?: (file: File) => void;
+  title?: string;
+  emptyMessage?: string;
+  loadingMessage?: string;
+}
+
+const ReviewPanel = ({
+  files,
+  isGeneratingThumbnails = false,
+  onFileClick,
+  title,
+  emptyMessage = "No files to preview",
+  loadingMessage = "Generating previews..."
+}: ReviewPanelProps) => {
+  const [currentIndex, setCurrentIndex] = useState(0);
+
+  const formatSize = (size: number) => {
+    if (size > 1024 * 1024) return `${(size / (1024 * 1024)).toFixed(1)} MB`;
+    if (size > 1024) return `${(size / 1024).toFixed(1)} KB`;
+    return `${size} B`;
+  };
+
+  const formatDate = (date: Date) => {
+    return new Intl.DateTimeFormat('en-US', {
+      year: 'numeric',
+      month: 'short',
+      day: 'numeric',
+      hour: '2-digit',
+      minute: '2-digit'
+    }).format(date);
+  };
+
+  const handlePrevious = () => {
+    setCurrentIndex((prev) => (prev === 0 ? files.length - 1 : prev - 1));
+  };
+
+  const handleNext = () => {
+    setCurrentIndex((prev) => (prev === files.length - 1 ? 0 : prev + 1));
+  };
+
+  if (files.length === 0 && !isGeneratingThumbnails) {
+    return (
+      <Text size="sm" c="dimmed">
+        {emptyMessage}
+      </Text>
+    );
+  }
+
+  if (isGeneratingThumbnails) {
+    return (
+      <Center p="lg" data-testid="review-panel-loading">
+        <Stack align="center" gap="sm">
+          <Loader size="sm" />
+          <Text size="sm" c="dimmed">{loadingMessage}</Text>
+        </Stack>
+      </Center>
+    );
+  }
+
+  const currentFile = files[currentIndex];
+  if (!currentFile) return null;
+
+  return (
+    <Box p="sm" style={{ backgroundColor: 'var(--mantine-color-gray-1)', borderRadius: 8, maxWidth: '100%' }} data-testid="review-panel-container">
+
+      {/* File name at the top */}
+      <Box mb="sm" style={{ minHeight: '3rem', display: 'flex', alignItems: 'flex-start' }}>
+        <Text
+          size="sm"
+          fw={500}
+          style={{
+            wordBreak: 'break-word',
+            lineHeight: 1.4
+          }}
+          title={currentFile.file.name}
+        >
+          {currentFile.file.name}
+        </Text>
+      </Box>
+
+      <Flex gap="md" align="flex-start" style={{ minHeight: '120px', maxWidth: '100%' }} data-testid={`review-panel-item-${currentIndex}`}>
+        {/* Preview on the left */}
+        <Box style={{
+          flex: '0 0 100px',
+          display: 'flex',
+          alignItems: 'center',
+          justifyContent: 'center',
+          minHeight: '120px',
+          position: 'relative'
+        }}>
+          <Box
+            style={{
+              position: 'relative',
+              cursor: onFileClick ? 'pointer' : 'default',
+              transition: 'opacity 0.2s ease',
+            }}
+            onClick={() => onFileClick?.(currentFile.file)}
+            onMouseEnter={(e) => {
+              if (onFileClick) {
+                const overlay = e.currentTarget.querySelector('.hover-overlay');
+                if (overlay) overlay.style.opacity = '1';
+              }
+            }}
+            onMouseLeave={(e) => {
+              const overlay = e.currentTarget.querySelector('.hover-overlay');
+              if (overlay) overlay.style.opacity = '0';
+            }}
+          >
+            {currentFile.thumbnail ? (
+              <Image
+                src={currentFile.thumbnail}
+                alt={`Preview of ${currentFile.file.name}`}
+                style={{
+                  maxWidth: '100px',
+                  maxHeight: '120px',
+                  objectFit: 'contain'
+                }}
+              />
+            ) : (
+              <Box
+                style={{
+                  width: '100px',
+                  height: '120px',
+                  display: 'flex',
+                  alignItems: 'center',
+                  justifyContent: 'center',
+                  backgroundColor: 'var(--mantine-color-gray-1)',
+                  borderRadius: 4
+                }}
+              >
+                <Text size="xs" c="dimmed">No preview</Text>
+              </Box>
+            )}
+
+            {/* Hover overlay with eye icon */}
+            {onFileClick && (
+              <Box
+                className="hover-overlay"
+                style={{
+                  position: 'absolute',
+                  top: 0,
+                  left: 0,
+                  right: 0,
+                  bottom: 0,
+                  display: 'flex',
+                  alignItems: 'center',
+                  justifyContent: 'center',
+                  backgroundColor: 'rgba(0, 0, 0, 0.5)',
+                  borderRadius: 4,
+                  opacity: 0,
+                  transition: 'opacity 0.2s ease',
+                  pointerEvents: 'none'
+                }}
+              >
+                <VisibilityIcon style={{ color: 'white', fontSize: '1.5rem' }} />
+              </Box>
+            )}
+          </Box>
+        </Box>
+
+        {/* Metadata on the right */}
+        <Stack gap="xs" style={{ flex: 1, minWidth: 0 }}>
+          <Stack gap="2px">
+            <Text size="xs" c="dimmed">
+              {formatSize(currentFile.file.size)}
+            </Text>
+            <Text size="xs" c="dimmed">
+              {currentFile.file.type || 'Unknown'}
+            </Text>
+            <Text size="xs" c="dimmed">
+              {formatDate(new Date(currentFile.file.lastModified))}
+            </Text>
+          </Stack>
+        </Stack>
+      </Flex>
+
+      {/* Navigation controls */}
+      {files.length > 1 && (
+        <Stack align="center" gap="xs" mt="xs">
+          <Group justify="center" gap="xs">
+            <ActionIcon
+              variant="light"
+              size="sm"
+              onClick={handlePrevious}
+              disabled={files.length <= 1}
+              data-testid="review-panel-prev"
+            >
+              <ChevronLeftIcon style={{ fontSize: '1rem' }} />
+            </ActionIcon>
+
+            <Group gap="xs">
+              {files.map((_, index) => (
+                <Box
+                  key={index}
+                  style={{
+                    width: 6,
+                    height: 6,
+                    borderRadius: '50%',
+                    backgroundColor: index === currentIndex
+                      ? 'var(--mantine-color-blue-6)'
+                      : 'var(--mantine-color-gray-4)',
+                    cursor: 'pointer',
+                    transition: 'background-color 0.2s ease'
+                  }}
+                  onClick={() => setCurrentIndex(index)}
+                  data-testid={`review-panel-dot-${index}`}
+                />
+              ))}
+            </Group>
+
+            <ActionIcon
+              variant="light"
+              size="sm"
+              onClick={handleNext}
+              disabled={files.length <= 1}
+              data-testid="review-panel-next"
+            >
+              <ChevronRightIcon style={{ fontSize: '1rem' }} />
+            </ActionIcon>
+          </Group>
+          
+          <Text size="xs" c="dimmed">
+            {currentIndex + 1} of {files.length}
+          </Text>
+        </Stack>
+      )}
+    </Box>
+  );
+};
+
+export default ReviewPanel;

frontend/src/components/tools/shared/ToolStep.tsx

@@ -5,7 +5,7 @@ import ChevronRightIcon from '@mui/icons-material/ChevronRight';
 import { Tooltip } from '../../shared/Tooltip';
 import { TooltipTip } from '../../shared/tooltip/TooltipContent';
 import { createFilesToolStep, FilesToolStepProps } from './createFilesToolStep';
-import { createResultsToolStep, ResultsToolStepProps } from './createResultsToolStep';
+import { createReviewToolStep, ReviewToolStepProps } from './createReviewToolStep';
 
 interface ToolStepContextType {
   visibleStepCount: number;
@@ -22,6 +22,8 @@ export interface ToolStepProps {
   helpText?: string;
   showNumber?: boolean;
   _stepNumber?: number; // Internal prop set by ToolStepContainer
+  _excludeFromCount?: boolean; // Internal prop to exclude from visible count calculation
+  _noPadding?: boolean; // Internal prop to exclude from default left padding
   tooltip?: {
     content?: React.ReactNode;
     tips?: TooltipTip[];
@@ -73,6 +75,7 @@ const ToolStep = ({
   helpText,
   showNumber,
   _stepNumber,
+  _noPadding,
   tooltip
 }: ToolStepProps) => {
   if (!isVisible) return null;
@@ -132,7 +135,7 @@ const ToolStep = ({
       </Flex>
 
       {!isCollapsed && (
-        <Stack gap="md" pl="md">
+        <Stack gap="md" pl={_noPadding ? 0 : "md"}>
           {helpText && (
             <Text size="sm" c="dimmed">
               {helpText}
@@ -176,17 +179,20 @@ export function createToolSteps() {
     return createFilesToolStep(create, props);
   };
 
-  const createResultsStep = <TParams = any>(props: ResultsToolStepProps<TParams>): React.ReactElement => {
+  const createReviewStep = <TParams = any>(props: ReviewToolStepProps<TParams>): React.ReactElement => {
-    return createResultsToolStep(create, props);
+    return createReviewToolStep(create, props);
   };
 
   const getVisibleCount = () => {
-    return steps.filter(step =>
+    return steps.filter(step => {
-      (step.props as ToolStepProps).isVisible !== false
+      const props = step.props as ToolStepProps;
-    ).length;
+      const isVisible = props.isVisible !== false;
+      const excludeFromCount = props._excludeFromCount === true;
+      return isVisible && !excludeFromCount;
+    }).length;
   };
 
-  return { create, createFilesStep, createResultsStep, getVisibleCount, steps };
+  return { create, createFilesStep, createReviewStep, getVisibleCount, steps };
 }
 
 // Context provider wrapper for tools using the factory
@@ -196,8 +202,10 @@ export function ToolStepProvider({ children }: { children: React.ReactNode }) {
     let count = 0;
     React.Children.forEach(children, (child) => {
       if (React.isValidElement(child) && child.type === ToolStep) {
-        const isVisible = (child.props as ToolStepProps).isVisible !== false;
+        const props = child.props as ToolStepProps;
-        if (isVisible) count++;
+        const isVisible = props.isVisible !== false;
+        const excludeFromCount = props._excludeFromCount === true;
+        if (isVisible && !excludeFromCount) count++;
       }
     });
     return count;
@@ -215,5 +223,5 @@ export function ToolStepProvider({ children }: { children: React.ReactNode }) {
 }
 
 export type { FilesToolStepProps } from './createFilesToolStep';
-export type { ResultsToolStepProps } from './createResultsToolStep';
+export type { ReviewToolStepProps } from './createReviewToolStep';
 export default ToolStep;

frontend/src/components/tools/shared/createReviewToolStep.tsx

@@ -3,19 +3,19 @@ import { Button, Stack, Text } from '@mantine/core';
 import { useTranslation } from 'react-i18next';
 import DownloadIcon from '@mui/icons-material/Download';
 import ErrorNotification from './ErrorNotification';
-import ResultsPreview from './ResultsPreview';
+import ReviewPanel from './ReviewPanel';
 import { ToolOperationHook } from '../../../hooks/tools/shared/useToolOperation';
 
-export interface ResultsToolStepProps<TParams = any> {
+export interface ReviewToolStepProps<TParams = any> {
   isVisible: boolean;
   operation: ToolOperationHook<TParams>;
   title?: string;
   onFileClick?: (file: File) => void;
 }
 
-export function createResultsToolStep<TParams = any>(
+export function createReviewToolStep<TParams = any>(
   createStep: (title: string, props: any, children?: React.ReactNode) => React.ReactElement,
-  props: ResultsToolStepProps<TParams>
+  props: ReviewToolStepProps<TParams>
 ): React.ReactElement {
   const { t } = useTranslation();
   const { operation } = props;
@@ -25,10 +25,12 @@ export function createResultsToolStep<TParams = any>(
     thumbnail: operation.thumbnails[index]
   })) || [];
 
-  return createStep("Results", {
+  return createStep("Review", {
-    isVisible: props.isVisible
+    isVisible: props.isVisible,
+    _excludeFromCount: true,
+    _noPadding: true
   }, (
-    <Stack gap="sm">
+    <Stack gap="sm" >
       {operation.status && (
         <Text size="sm" c="dimmed">{operation.status}</Text>
       )}
@@ -38,28 +40,28 @@ export function createResultsToolStep<TParams = any>(
         onClose={operation.clearError}
       />
 
-      {operation.downloadUrl && (
+      {previewFiles.length > 0 && (
+        <ReviewPanel
+          files={previewFiles}
+          onFileClick={props.onFileClick}
+          isGeneratingThumbnails={operation.isGeneratingThumbnails}
+          title={props.title || "Review"}
+        />
+      )}
+
+       {operation.downloadUrl && (
         <Button
           component="a"
           href={operation.downloadUrl}
           download={operation.downloadFilename}
           leftSection={<DownloadIcon />}
-          color="green"
+          color="blue"
           fullWidth
           mb="md"
         >
           {t("download", "Download")}
         </Button>
       )}
-
-      {previewFiles.length > 0 && (
-        <ResultsPreview
-          files={previewFiles}
-          onFileClick={props.onFileClick}
-          isGeneratingThumbnails={operation.isGeneratingThumbnails}
-          title={props.title || "Results"}
-        />
-      )}
     </Stack>
   ));
 }

frontend/src/components/tools/shared/createToolFlow.tsx

@@ -35,7 +35,7 @@ export interface ExecuteButtonConfig {
   testId?: string;
 }
 
-export interface ResultsStepConfig {
+export interface ReviewStepConfig {
   isVisible: boolean;
   operation: ToolOperationHook<any>;
   title: string;
@@ -47,7 +47,7 @@ export interface ToolFlowConfig {
   files: FilesStepConfig;
   steps: MiddleStepConfig[];
   executeButton?: ExecuteButtonConfig;
-  results: ResultsStepConfig;
+  review: ReviewStepConfig;
 }
 
 /**
@@ -81,7 +81,7 @@ export function createToolFlow(config: ToolFlowConfig) {
       {config.executeButton && config.executeButton.isVisible !== false && (
         <OperationButton
           onClick={config.executeButton.onClick}
-          isLoading={config.results.operation.isLoading}
+          isLoading={config.review.operation.isLoading}
           disabled={config.executeButton.disabled}
           loadingText={config.executeButton.loadingText}
           submitText={config.executeButton.text}
@@ -89,12 +89,12 @@ export function createToolFlow(config: ToolFlowConfig) {
         />
       )}
 
-      {/* Results Step */}
+      {/* Review Step */}
-      {steps.createResultsStep({
+      {steps.createReviewStep({
-        isVisible: config.results.isVisible,
+        isVisible: config.review.isVisible,
-        operation: config.results.operation,
+        operation: config.review.operation,
-        title: config.results.title,
+        title: config.review.title,
-        onFileClick: config.results.onFileClick
+        onFileClick: config.review.onFileClick
       })}
     </ToolStepProvider>
   );

frontend/src/tools/Compress.tsx

@@ -64,11 +64,11 @@ const Compress = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
   const settingsCollapsed = !hasFiles || hasResults;
 
   return (
-    <Stack gap="md" h="100%" p="sm" style={{ overflow: 'auto' }}>
+    <Stack gap="sm" p="sm" style={{ height: '100vh', overflow: 'auto' }}>
       {createToolFlow({
         files: {
           selectedFiles,
-          isCollapsed: hasFiles
+          isCollapsed: hasFiles && !hasResults,
         },
         steps: [{
           title: "Settings",
@@ -90,7 +90,7 @@ const Compress = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
           onClick: handleCompress,
           disabled: !compressParams.validateParameters() || !hasFiles || !endpointEnabled
         },
-        results: {
+        review: {
           isVisible: hasResults,
           operation: compressOperation,
           title: t("compress.title", "Compression Results"),

frontend/src/tools/Convert.tsx

@@ -101,8 +101,7 @@ const Convert = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
   };
 
   return (
-    <div className="h-full max-h-screen overflow-y-auto" ref={scrollContainerRef}>
+      <Stack gap="sm" p="sm" style={{ height: '100vh', overflow: 'auto' }}>
-      <Stack gap="sm" p="sm">
         {createToolFlow({
           files: {
             selectedFiles,
@@ -131,7 +130,7 @@ const Convert = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
             disabled: !convertParams.validateParameters() || !hasFiles || !endpointEnabled,
             testId: "convert-button"
           },
-          results: {
+          review: {
             isVisible: hasResults,
             operation: convertOperation,
             title: t("convert.conversionResults", "Conversion Results"),
@@ -140,7 +139,6 @@ const Convert = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
           }
         })}
       </Stack>
-    </div>
   );
 };
 

frontend/src/tools/OCR.tsx

@@ -84,11 +84,11 @@ const OCR = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
   const settingsCollapsed = expandedStep !== 'settings';
 
   return (
-    <Stack gap="sm" h="100%" p="sm" style={{ overflow: 'auto' }}>
+    <Stack gap="sm" p="sm" style={{ height: '100vh', overflow: 'auto' }}>
       {createToolFlow({
         files: {
           selectedFiles,
-          isCollapsed: hasFiles && filesCollapsed,
+          isCollapsed: hasFiles && !hasResults && filesCollapsed,
         },
         steps: [
           {
@@ -131,7 +131,7 @@ const OCR = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
           isVisible: hasValidSettings && !hasResults,
           disabled: !ocrParams.validateParameters() || !hasFiles || !endpointEnabled
         },
-        results: {
+        review: {
           isVisible: hasResults,
           operation: ocrOperation,
           title: t("ocr.results.title", "OCR Results"),

frontend/src/tools/Sanitize.tsx

@@ -61,7 +61,7 @@ const Sanitize = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
 
   const hasFiles = selectedFiles.length > 0;
   const hasResults = sanitizeOperation.files.length > 0;
-  const filesCollapsed = hasFiles;
+  const filesCollapsed = hasFiles || hasResults;
   const settingsCollapsed = !hasFiles || hasResults;
 
   return (
@@ -86,11 +86,12 @@ const Sanitize = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
         }],
         executeButton: {
           text: t("sanitize.submit", "Sanitize PDF"),
+          isVisible: !hasResults,
           loadingText: t("loading"),
           onClick: handleSanitize,
           disabled: !sanitizeParams.validateParameters() || !hasFiles || !endpointEnabled
         },
-        results: {
+        review: {
           isVisible: hasResults,
           operation: sanitizeOperation,
           title: t("sanitize.sanitizationResults", "Sanitization Results"),

frontend/src/tools/Split.tsx

@@ -90,7 +90,7 @@ const Split = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
           isVisible: !hasResults,
           disabled: !splitParams.validateParameters() || !hasFiles || !endpointEnabled
         },
-        results: {
+        review: {
           isVisible: hasResults,
           operation: splitOperation,
           title: "Split Results",