feat(ministry): add DefaultFunctionalClass for Form 990 functional split

API/ROLAC.API/DTOs/Ministry/CreateMinistryRequest.cs

@@ -8,4 +8,5 @@ public class CreateMinistryRequest
     [MaxLength(500)] public string? Description_en { get; set; }
     [MaxLength(500)] public string? Description_zh { get; set; }
     public int SortOrder { get; set; }
+    [MaxLength(20)] public string? DefaultFunctionalClass { get; set; }
 }

API/ROLAC.API/DTOs/Ministry/MinistryDto.cs

@@ -9,4 +9,5 @@ public class MinistryDto
     public string? Description_zh { get; set; }
     public int     SortOrder { get; set; }
     public bool    IsActive  { get; set; }
+    public string  DefaultFunctionalClass { get; set; } = "Program";
 }

API/ROLAC.API/DTOs/Ministry/UpdateMinistryRequest.cs

@@ -9,4 +9,5 @@ public class UpdateMinistryRequest
     [MaxLength(500)] public string? Description_zh { get; set; }
     public bool IsActive { get; set; } = true;
     public int  SortOrder { get; set; }
+    [MaxLength(20)] public string? DefaultFunctionalClass { get; set; }
 }

API/ROLAC.API/Data/AppDbContext.cs

@@ -201,6 +201,7 @@ public class AppDbContext : IdentityDbContext<AppUser, AppRole, string>
         {
             entity.Property(e => e.Name_en).HasMaxLength(200).IsRequired();
             entity.Property(e => e.Name_zh).HasMaxLength(200);
+            entity.Property(e => e.DefaultFunctionalClass).HasMaxLength(20).HasDefaultValue("Program");
         });
 
         // ── Form990ExpenseLine (Part IX natural-expense line catalog) ─────────

API/ROLAC.API/Entities/Ministry.cs

@@ -11,4 +11,5 @@ public class Ministry : IAuditable
     public string? Description_zh { get; set; }
     public int     SortOrder      { get; set; }
     public bool    IsActive       { get; set; } = true;
+    public string  DefaultFunctionalClass { get; set; } = "Program";
 }

API/ROLAC.API/Services/MinistryService.cs

@@ -21,6 +21,7 @@ public class MinistryService : IMinistryService
                 Id = m.Id, Name_en = m.Name_en, Name_zh = m.Name_zh,
                 Description_en = m.Description_en, Description_zh = m.Description_zh,
                 SortOrder = m.SortOrder, IsActive = m.IsActive,
+                DefaultFunctionalClass = m.DefaultFunctionalClass,
             })
             .ToListAsync();
     }
@@ -32,6 +33,7 @@ public class MinistryService : IMinistryService
             Name_en = r.Name_en, Name_zh = r.Name_zh,
             Description_en = r.Description_en, Description_zh = r.Description_zh,
             SortOrder = r.SortOrder, IsActive = true,
+            DefaultFunctionalClass = ROLAC.API.Entities.FunctionalClasses.Normalize(r.DefaultFunctionalClass),
         };
         _db.Ministries.Add(entity);
         await _db.SaveChangesAsync();
@@ -45,6 +47,7 @@ public class MinistryService : IMinistryService
         m.Name_en = r.Name_en; m.Name_zh = r.Name_zh;
         m.Description_en = r.Description_en; m.Description_zh = r.Description_zh;
         m.IsActive = r.IsActive; m.SortOrder = r.SortOrder;
+        m.DefaultFunctionalClass = ROLAC.API.Entities.FunctionalClasses.Normalize(r.DefaultFunctionalClass);
         await _db.SaveChangesAsync();
     }