feat(ports): add get_thought_ap_id and get_actor_ap_urls to ActivityPubRepository

crates/domain/src/ports.rs

@@ -331,6 +331,13 @@ pub trait SearchPort: Send + Sync {
     ) -> Result<Paginated<User>, DomainError>;
 }
 
+/// AP-protocol endpoints for a locally-stored user (local or interned remote).
+#[derive(Debug, Clone)]
+pub struct ActorApUrls {
+    pub ap_id: String,
+    pub inbox_url: String,
+}
+
 /// A local thought ready for AP serialization, with the author's username
 /// pre-joined so the handler can build AP URLs without a second query.
 #[derive(Debug, Clone)]
@@ -413,6 +420,18 @@ pub trait ActivityPubRepository: Send + Sync {
 
     /// Total locally-authored thought count for NodeInfo responses.
     async fn count_local_notes(&self) -> Result<u64, DomainError>;
+
+    /// Return the ActivityPub object URL for a thought, if one is stored.
+    /// Returns None for local thoughts (caller constructs URL from base_url + thought_id).
+    async fn get_thought_ap_id(
+        &self,
+        thought_id: &ThoughtId,
+    ) -> Result<Option<String>, DomainError>;
+
+    /// Return the AP actor URL and inbox URL for a user, if stored.
+    /// Returns None for users that have not been federated.
+    async fn get_actor_ap_urls(&self, user_id: &UserId)
+        -> Result<Option<ActorApUrls>, DomainError>;
 }
 
 #[async_trait]