fix: parser — CAN multi-frame, ISO-TP, пустой {} в промпт, 91 тест

api/parser.py

@@ -52,9 +52,13 @@ def _parse_vin(result: dict, raw: str, decoded: str):
 
     # Fallback: парсим VIN из raw HEX
     if "49" in raw and ("02" in raw or "4902" in raw.replace(" ", "")):
-        clean = raw.replace(":", "").replace(" ", "").upper()
+        # Чистим: убираем CAN адресацию (N:), ISO-TP (10..), двоеточия
+        import re
+        clean = re.sub(r'^\d\s*:\s*', '', raw, flags=re.MULTILINE)  # "0:" "1:"
+        clean = re.sub(r'\b(?:10|14|21|22)\s+', '', clean)          # ISO-TP PCI
+        clean = clean.replace(":", "").replace(" ", "").upper()
         if "490201" in clean:
-            hex_str = clean.split("490201")[-1][:34]
+            hex_str = clean.split("490201")[-1].replace("\n", "").replace("\r", "")[:34]
             vin = ""
             for i in range(0, len(hex_str) - 1, 2):
                 try: