WIP

API/ROLAC.API/DTOs/Auth/LoginResponse.cs

@@ -25,4 +25,22 @@ public class UserInfo
     /// Lets the SPA hide nav/buttons. Authoritative enforcement is server-side.
     /// </summary>
     public Dictionary<string, ModuleActions> Permissions { get; set; } = [];
+
+    /// <summary>
+    /// The church member linked to this login account, or null for admin-only
+    /// accounts (no MemberId) and accounts whose member record was deleted.
+    /// Lets the SPA greet the user by their real name.
+    /// </summary>
+    public MemberInfo? MemberInfo { get; set; }
+}
+
+/// <summary>Minimal member identity for greeting the signed-in user.</summary>
+public class MemberInfo
+{
+    public int     Id           { get; set; }
+    public string? NickName     { get; set; }
+    public string  FirstName_en { get; set; } = "";
+    public string  LastName_en  { get; set; } = "";
+    public string? FirstName_zh { get; set; }
+    public string? LastName_zh  { get; set; }
 }

API/ROLAC.API/Services/AuthService.cs

@@ -181,5 +181,29 @@ public class AuthService : IAuthService
             Roles              = roles,
             LanguagePreference = user.LanguagePreference,
             Permissions        = await _permissions.GetEffectivePermissionsAsync(roles),
+            MemberInfo         = await BuildMemberInfoAsync(user),
         };
+
+    /// <summary>
+    /// Loads the linked member's display fields, or null when the account has no
+    /// MemberId or its member record was soft-deleted (excluded by query filter).
+    /// </summary>
+    private async Task<MemberInfo?> BuildMemberInfoAsync(AppUser user)
+    {
+        if (user.MemberId is not int memberId)
+            return null;
+
+        return await _db.Members
+            .Where(member => member.Id == memberId)
+            .Select(member => new MemberInfo
+            {
+                Id           = member.Id,
+                NickName     = member.NickName,
+                FirstName_en = member.FirstName_en,
+                LastName_en  = member.LastName_en,
+                FirstName_zh = member.FirstName_zh,
+                LastName_zh  = member.LastName_zh,
+            })
+            .FirstOrDefaultAsync();
+    }
 }