feat: add operations mutation api for alpine ui

crates/crank-registry/src/migrations.rs

@@ -165,6 +165,7 @@ pub async fn apply_postgres(pool: &PgPool) -> Result<(), sqlx::Error> {
             workspace_id text null references workspaces(id) on delete cascade,
             name text not null,
             display_name text not null,
+            category text not null default 'general',
             protocol text not null,
             status text not null,
             current_draft_version integer not null default 1,
@@ -180,6 +181,11 @@ pub async fn apply_postgres(pool: &PgPool) -> Result<(), sqlx::Error> {
     query("alter table operations add column if not exists workspace_id text null references workspaces(id) on delete cascade")
         .execute(pool)
         .await?;
+    query(
+        "alter table operations add column if not exists category text not null default 'general'",
+    )
+    .execute(pool)
+    .await?;
     query("update operations set workspace_id = 'ws_default' where workspace_id is null")
         .execute(pool)
         .await?;