Fix null payee.

API/ROLAC.API.Tests/Services/ExpenseServiceTests.cs

@@ -107,11 +107,39 @@ public class ExpenseServiceTests
     }
 
     [Fact]
-    public async Task Create_Reimbursement_AsFinance_IsPendingApproval()
+    public async Task Create_Reimbursement_AsFinance_OnBehalf_IsPendingApproval_AndLinksPickedMember()
     {
+        // Finance entering on behalf of a member (member explicitly picked) goes straight to the
+        // approval queue and links the picked member.
         var (svc, db, _) = Build();
-        var id = await svc.CreateAsync(Reimb(), isFinance: true);
-        Assert.Equal("PendingApproval", (await db.Expenses.FindAsync(id))!.Status);
+        db.Members.Add(new Member { Id = 9, FirstName_en = "Pat", LastName_en = "Vendor" });
+        await db.SaveChangesAsync();
+        var r = Reimb(); r.MemberId = 9;
+
+        var id = await svc.CreateAsync(r, isFinance: true);
+
+        var e = await db.Expenses.FindAsync(id);
+        Assert.Equal("PendingApproval", e!.Status);
+        Assert.Equal(9, e.MemberId);
+    }
+
+    [Fact]
+    public async Task Create_Reimbursement_AsFinance_SelfService_LinksCallerMember_AndIsDraft()
+    {
+        // Regression: a finance/super_admin user filing their OWN reimbursement via "My Reimbursements"
+        // sends no MemberId. The entry must link to the caller's own member (so the Payee shows their
+        // legal name) and stay a Draft until they explicitly Submit — not jump to PendingApproval with
+        // a null member.
+        var (svc, db, _) = Build("u1");
+        db.Members.Add(new Member { Id = 7, FirstName_en = "Grace", LastName_en = "Lee" });
+        db.Users.Add(new AppUser { Id = "u1", MemberId = 7 });
+        await db.SaveChangesAsync();
+
+        var id = await svc.CreateAsync(Reimb(), isFinance: true); // no MemberId on the request
+
+        var e = await db.Expenses.FindAsync(id);
+        Assert.Equal(7, e!.MemberId);
+        Assert.Equal("Draft", e.Status);
     }
 
     [Fact]

API/ROLAC.API/Services/ExpenseService.cs

@@ -141,12 +141,17 @@ public class ExpenseService : IExpenseService
         }
         else // StaffReimbursement
         {
-            // Finance entering on behalf of a member goes straight to the approval queue;
-            // a member's own self-service entry stays a Draft until they explicitly Submit it.
-            e.Status = isFinance ? "PendingApproval" : "Draft";
+            // Distinguish the two flows by whether a member was explicitly picked, NOT by role:
+            //  - On-behalf: finance picks a member (Expenses page) -> straight into the approval queue.
+            //  - Self-service: no member picked ("My Reimbursements") -> link to the caller's own member
+            //    so the Payee shows their legal name, and keep it a Draft until they explicitly Submit.
+            // A finance/super_admin user files their own reimbursements through the self-service flow too,
+            // so keying off the role alone would leave their entries with a null member (empty Payee).
+            var isOnBehalf = isFinance && r.MemberId.HasValue;
+            e.Status = isOnBehalf ? "PendingApproval" : "Draft";
             e.SubmittedBy = CurrentUserId;
-            if (isFinance) e.SubmittedAt = DateTimeOffset.UtcNow;
-            e.MemberId = isFinance ? r.MemberId : await CallerMemberIdAsync();
+            if (isOnBehalf) e.SubmittedAt = DateTimeOffset.UtcNow;
+            e.MemberId = isOnBehalf ? r.MemberId : await CallerMemberIdAsync();
             e.VendorName = null;
         }