feat: Add related notes functionality with new API endpoint and frontend components, and update note search route.

notes-domain/src/ports.rs

@@ -30,4 +30,7 @@ pub trait LinkRepository: Send + Sync {
 
     /// Delete existing links for a specific source note (e.g., before regenerating).
     async fn delete_links_for_source(&self, source_note_id: Uuid) -> DomainResult<()>;
+
+    /// Get links for a specific source note.
+    async fn get_links_for_note(&self, source_note_id: Uuid) -> DomainResult<Vec<NoteLink>>;
 }

notes-domain/src/services.rs

@@ -406,6 +406,14 @@ impl SmartNoteService {
 
         Ok(())
     }
+
+    /// Get related notes for a given note ID
+    pub async fn get_related_notes(
+        &self,
+        note_id: Uuid,
+    ) -> DomainResult<Vec<crate::entities::NoteLink>> {
+        self.link_repo.get_links_for_note(note_id).await
+    }
 }
 
 #[cfg(test)]