making it AP complaint

crates/application/src/users/delete_account.rs

@@ -0,0 +1,19 @@
+use domain::{errors::DomainError, events::DomainEvent, value_objects::UserId};
+
+use crate::users::deps::UpdateProfileDeps;
+
+pub async fn execute(deps: &UpdateProfileDeps, user_id: uuid::Uuid) -> Result<(), DomainError> {
+    let uid = UserId::from_uuid(user_id);
+
+    deps.user
+        .find_by_id(&uid)
+        .await?
+        .ok_or_else(|| DomainError::NotFound("User not found".into()))?;
+
+    // Notify federation peers before any data is removed so they can process the tombstone.
+    deps.event_publisher
+        .publish(&DomainEvent::UserDeleted { user_id: uid })
+        .await?;
+
+    Ok(())
+}

crates/application/src/users/mod.rs

@@ -1,4 +1,5 @@
 pub mod commands;
+pub mod delete_account;
 pub mod deps;
 pub mod get_current_profile;
 pub mod get_profile;

crates/application/src/users/update_profile.rs

@@ -68,6 +68,14 @@ pub async fn execute(
         user.banner_path().map(|s| s.to_string())
     };
 
+    let moved_to = cmd.also_known_as.as_deref().and_then(|new_url| {
+        if user.also_known_as().map(|s| s != new_url).unwrap_or(true) {
+            Some(new_url.to_string())
+        } else {
+            None
+        }
+    });
+
     deps.user
         .update_profile(
             &user_id,
@@ -83,9 +91,21 @@ pub async fn execute(
         .await?;
 
     deps.event_publisher
-        .publish(&DomainEvent::UserUpdated { user_id })
+        .publish(&DomainEvent::UserUpdated {
+            user_id: user_id.clone(),
+        })
         .await?;
 
+    if let Some(new_actor_url) = moved_to {
+        let _ = deps
+            .event_publisher
+            .publish(&DomainEvent::UserAccountMoved {
+                user_id,
+                new_actor_url,
+            })
+            .await;
+    }
+
     Ok(())
 }