Fix: merge二次靠泊 in parser, skip duplicates in database

src/parser.py

@@ -57,7 +57,7 @@ class HandoverLogParser:
             text: 日志文本
             
         返回:
-            船次日志列表
+            船次日志列表（已合并同日期同班次同船名的记录）
         """
         logs = []
         blocks = text.split(self.SEPARATOR)
@@ -74,7 +74,34 @@ class HandoverLogParser:
             date = self.parse_date(date_match.group(1))
             self._parse_block(block, date, logs)
         
-        return logs
+        # 合并同日期同班次同船名的记录（累加TEU）
+        merged = {}
+        for log in logs:
+            key = (log.date, log.shift, log.ship_name)
+            if key not in merged:
+                merged[key] = ShipLog(
+                    date=log.date,
+                    shift=log.shift,
+                    ship_name=log.ship_name,
+                    teu=log.teu,
+                    efficiency=log.efficiency,
+                    vehicles=log.vehicles
+                )
+            else:
+                # 累加TEU
+                if log.teu:
+                    if merged[key].teu is None:
+                        merged[key].teu = log.teu
+                    else:
+                        merged[key].teu += log.teu
+                # 累加车辆数
+                if log.vehicles:
+                    if merged[key].vehicles is None:
+                        merged[key].vehicles = log.vehicles
+                    else:
+                        merged[key].vehicles += log.vehicles
+        
+        return list(merged.values())
     
     def _parse_block(self, block: str, date: str, logs: List[ShipLog]):
         """解析日期块"""