code clean up and error fixing

crates/migration/src/m20260325_145211_servers.rs

@@ -12,7 +12,7 @@ impl MigrationTrait for Migration {
                     .table(Server::Table)
                     .if_not_exists()
                     .col(pk_auto(Server::Id))
-                    .col(integer(Server::IdDiscord).unique_key())
+                    .col(big_integer(Server::IdDiscord).unique_key())
                     .col(string(Server::Name))
                     .to_owned(),
             )

crates/migration/src/m20260325_145717_members.rs

@@ -12,7 +12,7 @@ impl MigrationTrait for Migration {
                     .table(Members::Table)
                     .if_not_exists()
                     .col(pk_auto(Members::Id))
-                    .col(integer(Members::IdDiscord).unique_key())
+                    .col(big_integer(Members::IdDiscord).unique_key())
                     .col(string(Members::Name))
                     .to_owned(),
             )

crates/migration/src/m20260325_162920_messages.rs

@@ -15,7 +15,7 @@ impl MigrationTrait for Migration {
                     .table(Messages::Table)
                     .if_not_exists()
                     .col(pk_auto(Messages::Id))
-                    .col(integer(Messages::IdDiscord))
+                    .col(big_integer(Messages::IdDiscord))
                     .col(integer(Messages::IdSender))
                     .col(integer(Messages::IdContent))
                     .foreign_key(

crates/migration/src/m20260327_164915_channels.rs

@@ -12,7 +12,7 @@ impl MigrationTrait for Migration {
                     .table(Channel::Table)
                     .if_not_exists()
                     .col(pk_auto(Channel::Id))
-                    .col(integer(Channel::IdDiscord))
+                    .col(big_integer(Channel::IdDiscord))
                     .to_owned(),
             )
             .await