v4.3 ui: 3D wooden bookshelf redesign, fix player cover aspect ratio, and smooth subtitle scroll

routes/docx_routes.py

@@ -6,6 +6,8 @@ from flask import Blueprint, request, jsonify
 from db import get_db
 from docx_processor import process_docx_to_markdown
 from ai_processor import process_document_smartly
+from thumbnail_generator import generate_docx_thumbnail
+from media_storage import save_pending_thumbnail
 from auth import login_required
 
 docx_bp = Blueprint('docx', __name__)
@@ -44,11 +46,27 @@ def upload_docx():
         
         print(f"✅ Word document processed & reconstructed: {block_count} blocks ({text_count} text, {image_count} images)")
         
+        # --- v4.4: DOCX থেকে অটো থাম্বনেইল (embedded thumbnail / প্রথম ইমেজ) ---
+        pending_thumbnail = None
+        pending_thumbnail_format = None
+        try:
+            thumb_bytes, thumb_fmt = generate_docx_thumbnail(file_bytes, smart_blocks)
+            if thumb_bytes:
+                token = save_pending_thumbnail(thumb_bytes, thumb_fmt)
+                if token:
+                    pending_thumbnail = token
+                    pending_thumbnail_format = thumb_fmt
+                    print(f"  🖼️ Auto-thumbnail generated: {token} ({len(thumb_bytes)} bytes)")
+        except Exception as te:
+            print(f"  ⚠️ Thumbnail step skipped: {te}")
+        
         return jsonify({
             'success': True,
             'filename': doc_file.filename,
             'metadata': result.get('metadata', {}),
-            'blocks': smart_blocks
+            'blocks': smart_blocks,
+            'pending_thumbnail': pending_thumbnail,
+            'pending_thumbnail_format': pending_thumbnail_format
         })
         
     except Exception as e: