feat: Add drag and drop to image uploader

src/components/upload/EntityMultiImageUploader.tsx

@@ -1,6 +1,6 @@
 import React, { useState, useRef } from 'react';
 import { Button } from '@/components/ui/button';
-import { Upload, Star, CreditCard, Trash2 } from 'lucide-react';
+import { Upload, Star, CreditCard, Trash2, ImagePlus } from 'lucide-react';
 import { Badge } from '@/components/ui/badge';
 import {
   ContextMenu,
@@ -9,6 +9,7 @@ import {
   ContextMenuSeparator,
   ContextMenuTrigger,
 } from '@/components/ui/context-menu';
+import { DragDropZone } from './DragDropZone';
 
 export interface UploadedImage {
   url: string;
@@ -39,12 +40,8 @@ export function EntityMultiImageUploader({
   entityType = 'entity'
 }: EntityMultiImageUploaderProps) {
   const maxImages = mode === 'create' ? 5 : 3;
-  const fileInputRef = useRef<HTMLInputElement>(null);
-
-  const handleFileSelect = (e: React.ChangeEvent<HTMLInputElement>) => {
-    const files = e.target.files;
-    if (!files || files.length === 0) return;
 
+  const handleFilesAdded = (files: File[]) => {
     const currentCount = value.uploaded.length;
     const availableSlots = maxImages - currentCount;
     
@@ -52,7 +49,7 @@ export function EntityMultiImageUploader({
       return;
     }
 
-    const filesToAdd = Array.from(files).slice(0, availableSlots);
+    const filesToAdd = files.slice(0, availableSlots);
     const newImages: UploadedImage[] = filesToAdd.map(file => ({
       url: URL.createObjectURL(file),
       file,
@@ -81,11 +78,6 @@ export function EntityMultiImageUploader({
     }
 
     onChange(updatedValue);
-    
-    // Reset input
-    if (fileInputRef.current) {
-      fileInputRef.current.value = '';
-    }
   };
 
   const handleAssignRole = (index: number, role: 'banner' | 'card') => {
@@ -217,49 +209,65 @@ export function EntityMultiImageUploader({
     return parts.join(' • ');
   };
 
+  // Empty state: show large drag & drop zone
+  if (value.uploaded.length === 0) {
+    return (
+      <div className="space-y-4">
+        <DragDropZone
+          onFilesAdded={handleFilesAdded}
+          maxFiles={maxImages}
+          maxSizeMB={25}
+          allowedFileTypes={['image/*']}
+        />
+        <div className="text-sm text-muted-foreground space-y-1">
+          <p>• Right-click images to set as banner or card</p>
+          <p>• Images will be uploaded when you submit the form</p>
+        </div>
+      </div>
+    );
+  }
+
+  // With images: show grid + compact upload area
   return (
     <div className="space-y-4">
-      <input
-        ref={fileInputRef}
-        type="file"
-        accept="image/*"
-        multiple={mode === 'create'}
-        onChange={handleFileSelect}
-        className="hidden"
-      />
+      {/* Image Grid */}
+      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+        {value.uploaded.map((image, index) => renderImageCard(image, index))}
+      </div>
 
-      <Button
-        type="button"
-        variant="outline"
-        onClick={() => fileInputRef.current?.click()}
-        disabled={value.uploaded.length >= maxImages}
-      >
-        <Upload className="mr-2 h-4 w-4" />
-        Select {mode === 'create' ? 'Images' : 'Image'}
-        {` (${value.uploaded.length}/${maxImages})`}
-      </Button>
-
-      {value.uploaded.length > 0 && (
-        <div className="space-y-4">
-          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
-            {value.uploaded.map((image, index) => renderImageCard(image, index))}
+      {/* Compact Upload Area */}
+      {value.uploaded.length < maxImages && (
+        <DragDropZone
+          onFilesAdded={handleFilesAdded}
+          maxFiles={maxImages - value.uploaded.length}
+          maxSizeMB={25}
+          allowedFileTypes={['image/*']}
+          className="p-6"
+        >
+          <div className="text-center space-y-2">
+            <ImagePlus className="w-8 h-8 mx-auto text-muted-foreground" />
+            <p className="text-sm font-medium">Add More Images</p>
+            <p className="text-xs text-muted-foreground">
+              Drag & drop or click to browse ({value.uploaded.length}/{maxImages})
+            </p>
           </div>
-
-          <div className="space-y-2 text-sm text-muted-foreground">
-            <p className="font-medium">{getHelperText()}</p>
-            <div className="space-y-1 pl-4 border-l-2 border-border">
-              <p>
-                <strong>Banner:</strong> Main header image for the {entityType} detail page
-                {value.banner_assignment !== null && value.banner_assignment !== undefined && ` (Image ${value.banner_assignment + 1})`}
-              </p>
-              <p>
-                <strong>Card:</strong> Thumbnail in {entityType} listings and search results
-                {value.card_assignment !== null && value.card_assignment !== undefined && ` (Image ${value.card_assignment + 1})`}
-              </p>
-            </div>
-          </div>
-        </div>
+        </DragDropZone>
       )}
+
+      {/* Helper Text */}
+      <div className="space-y-2 text-sm text-muted-foreground">
+        <p className="font-medium">{getHelperText()}</p>
+        <div className="space-y-1 pl-4 border-l-2 border-border">
+          <p>
+            <strong>Banner:</strong> Main header image for the {entityType} detail page
+            {value.banner_assignment !== null && value.banner_assignment !== undefined && ` (Image ${value.banner_assignment + 1})`}
+          </p>
+          <p>
+            <strong>Card:</strong> Thumbnail in {entityType} listings and search results
+            {value.card_assignment !== null && value.card_assignment !== undefined && ` (Image ${value.card_assignment + 1})`}
+          </p>
+        </div>
+      </div>
     </div>
   );
 }