Программа перекомпанована

src/models/reagent.py

@@ -0,0 +1,10 @@
+class Reagent:
+    def __init__(self, name: str, percentage: float, unit: str, conversion_factor: float = 1.0):
+        self.name = name
+        self.percentage = percentage
+        self.unit = unit
+        self.conversion_factor = conversion_factor
+        self.dilution_factor = 1.0
+    
+    def __repr__(self):
+        return f"Reagent(name={self.name}, percentage={self.percentage}, unit={self.unit})"