Update app/schemas/class_.py

app/schemas/class_.py

@@ -40,6 +40,9 @@ class ClassBase(BaseModel):
     # Capacity / status
     max_students: Optional[int] = None
     is_active: bool = True
+    
+    # Coach assignment
+    coach_email: Optional[str] = None
 
     @field_validator("class_time", mode="before")
     @classmethod
@@ -128,6 +131,8 @@ class ClassUpdate(BaseModel):
 
     max_students: Optional[int] = None
     is_active: Optional[bool] = None
+    
+    coach_email: Optional[str] = None
 
     @field_validator("days_of_week", mode="before")
     @classmethod