旧版前端工程文件导入时版本对比查验、审阅与仿真时部分阻挡功能实现；前端参数输入格式统一规范

schemas/parameter-units.json

@@ -0,0 +1,8 @@
+{
+  "area": {"m2": [1, 0, "m²"], "cm2": [0.0001, 0, "cm²"], "mm2": [0.000001, 0, "mm²"]},
+  "heat_transfer_coefficient": {"W/(m2*K)": [1, 0, "W/(m²·K)"]},
+  "pressure": {"Pa": [1, 0, "Pa"], "kPa": [1000, 0, "kPa"], "MPa": [1000000, 0, "MPa"], "bar": [100000, 0, "bar"]},
+  "volume": {"m3": [1, 0, "m³"], "L": [0.001, 0, "L"], "mL": [0.000001, 0, "mL"]},
+  "temperature": {"K": [1, 0, "K"], "degC": [1, 273.15, "°C"]},
+  "length": {"m": [1, 0, "m"], "cm": [0.01, 0, "cm"], "mm": [0.001, 0, "mm"]}
+}