fix: handle paddleocr output variants

app.py

@@ -178,8 +178,26 @@ def ocr_and_parse(image: Image.Image) -> Dict[str, Any]:
     for result in ocr_results:
         if not result:
             continue
-        for bbox, (text, confidence) in result:
-            cleaned = (text or "").strip()
+        for entry in result:
+            if not entry:
+                continue
+            bbox = entry[0]
+            text = ""
+            confidence = 1.0
+            if len(entry) == 2:
+                text_info = entry[1]
+                if isinstance(text_info, (list, tuple)) and text_info:
+                    text = text_info[0] or ""
+                    if len(text_info) > 1 and text_info[1] is not None:
+                        confidence = float(text_info[1])
+                else:
+                    text = str(text_info)
+            elif len(entry) >= 3:
+                text = entry[1] or ""
+                if entry[2] is not None:
+                    confidence = float(entry[2])
+
+            cleaned = text.strip()
             if not cleaned:
                 continue
             lines.append(cleaned)