♻️ A more robust and simpler chat system

DysonNetwork.Sphere/Migrations/AppDatabaseModelSnapshot.cs

@@ -54,9 +54,9 @@ namespace DysonNetwork.Sphere.Migrations
                         .HasColumnType("timestamp with time zone")
                         .HasColumnName("deleted_at");
 
-                    b.Property<bool>("IsBot")
-                        .HasColumnType("boolean")
-                        .HasColumnName("is_bot");
+                    b.Property<Guid?>("InvitedById")
+                        .HasColumnType("uuid")
+                        .HasColumnName("invited_by_id");
 
                     b.Property<Instant?>("JoinedAt")
                         .HasColumnType("timestamp with time zone")
@@ -79,10 +79,6 @@ namespace DysonNetwork.Sphere.Migrations
                         .HasColumnType("integer")
                         .HasColumnName("notify");
 
-                    b.Property<int>("Role")
-                        .HasColumnType("integer")
-                        .HasColumnName("role");
-
                     b.Property<ChatTimeoutCause>("TimeoutCause")
                         .HasColumnType("jsonb")
                         .HasColumnName("timeout_cause");
@@ -101,6 +97,9 @@ namespace DysonNetwork.Sphere.Migrations
                     b.HasAlternateKey("ChatRoomId", "AccountId")
                         .HasName("ak_chat_members_chat_room_id_account_id");
 
+                    b.HasIndex("InvitedById")
+                        .HasDatabaseName("ix_chat_members_invited_by_id");
+
                     b.ToTable("chat_members", (string)null);
                 });
 
@@ -1505,7 +1504,14 @@ namespace DysonNetwork.Sphere.Migrations
                         .IsRequired()
                         .HasConstraintName("fk_chat_members_chat_rooms_chat_room_id");
 
+                    b.HasOne("DysonNetwork.Shared.Models.SnChatMember", "InvitedBy")
+                        .WithMany()
+                        .HasForeignKey("InvitedById")
+                        .HasConstraintName("fk_chat_members_chat_members_invited_by_id");
+
                     b.Navigation("ChatRoom");
+
+                    b.Navigation("InvitedBy");
                 });
 
             modelBuilder.Entity("DysonNetwork.Shared.Models.SnChatMessage", b =>