fix(电磁): 监测地点续行合并仅当除第二列外其余列均为空时触发

Co-authored-by: Cursor <cursoragent@cursor.com>

pdf_converter_v2/parser/electromagnetic_parser.py

@@ -317,23 +317,31 @@ def parse_electromagnetic_detection_record(markdown_content: str) -> Electromagn
     # 使用集合跟踪已添加的测点编号，避免重复添加（处理跨页重复的情况）
     seen_codes = set()
 
-    def get_address_continuation(row: List[str]) -> str:
-        """首列为空时，取第一个像地名的非空格（与上一条合并用）。"""
-        for i in range(1, min(4, len(row))):
-            cell = (row[i] or "").strip()
-            if not cell:
-                continue
-            # 像地名：含中文，且不是纯数字/时间
-            if re.search(r"[\u4e00-\u9fa5]", cell) and not re.match(r"^[\d.\-:\s]+$", cell):
-                return cell
+    def get_address_continuation_strict(row: List[str]) -> str:
+        """仅当首列为空、除第二列外其余列均为空，且第二列像地名时，返回第二列（与上一条合并用）。"""
+        if len(row) < 2:
+            return ""
+        first = (row[0] or "").strip()
+        second = (row[1] or "").strip()
+        if first:
+            return ""
+        if not second:
+            return ""
+        # 除第二列外必须都为空
+        for i in range(2, len(row)):
+            if (row[i] or "").strip():
+                return ""
+        # 第二列像地名：含中文，且不是纯数字/时间
+        if re.search(r"[\u4e00-\u9fa5]", second) and not re.match(r"^[\d.\-:\s]+$", second):
+            return second
         return ""
 
     for table in tables:
         for row in table:
-            # 首列为空且第二列（或其后）有地名类内容：视为上一条的监测地点续行，合并到上一条
+            # 仅当首列为空、除第二列外都为空且第二列为地名时：合并到上一条监测地点
             first_cell = (row[0] or "").strip() if len(row) > 0 else ""
             if not first_cell and record.electricMagnetic:
-                continuation = get_address_continuation(row)
+                continuation = get_address_continuation_strict(row)
                 if continuation:
                     last_em = record.electricMagnetic[-1]
                     last_em.address = (last_em.address or "").strip()