v1.3.0: 修复pinmap_layout周长公式，新增PinList→PinMAP反向转换完整支持

Code/src/pinmap_generator.py

@@ -61,10 +61,17 @@ def generate_pinmap(
             data[name_ref] = pin_name if pin_name and pin_name.strip() else "NC"
 
     # 再写入序号单元格（覆盖同位置的名字，确保序号优先）
+    # v1.3: 角点单元格被两条边共享，需写入两个引脚序号
+    cell_pins: dict[str, list[str]] = {}
     for edge_name, edge in layout.items():
         for (pin_num, pin_name), num_cell in zip(edge.pins, edge.cells):
             num_ref = rc_to_cell_ref(num_cell[0], num_cell[1])
-            data[num_ref] = str(pin_num)
+            if num_ref not in cell_pins:
+                cell_pins[num_ref] = []
+            cell_pins[num_ref].append(str(pin_num))
+
+    for num_ref, pins in cell_pins.items():
+        data[num_ref] = "/".join(pins)
 
     # 3. 写入文件（应用模板样式）
     if output_path: