fix: ensure the list-bags command with no id lists all bags

src/application/routes/bags.rs

@@ -178,16 +178,7 @@ pub(crate) async fn list_bags(
             .list_by_roast(roast_id)
             .await
             .map_err(AppError::from)?,
-        None => {
-            // For API list all, we might want to implement list_all in repo or reuse list with pagination
-            // For now, let's just return empty or implement list_all if needed.
-            // The spec implies we need list endpoints.
-            // Let's implement list_all in repo later if needed, or just use list with large page size?
-            // Actually, let's just use list_by_roast for now as that's the main use case for API likely.
-            // Or better, let's add list_all to repo.
-            // For now, I'll return an error if no filter is provided, or empty list.
-            vec![]
-        }
+        None => state.bag_repo.list_all().await.map_err(AppError::from)?,
     };
     Ok(Json(bags))
 }

src/domain/repositories.rs

@@ -136,4 +136,5 @@ pub trait BagRepository: Send + Sync {
         &self,
         request: &ListRequest<BagSortKey>,
     ) -> Result<Page<BagWithRoast>, RepositoryError>;
+    async fn list_all(&self) -> Result<Vec<BagWithRoast>, RepositoryError>;
 }

src/infrastructure/repositories/bags.rs

@@ -268,6 +268,20 @@ impl BagRepository for SqlBagRepository {
         )
         .await
     }
+
+    async fn list_all(&self) -> Result<Vec<BagWithRoast>, RepositoryError> {
+        let query = format!("{} ORDER BY b.roast_date DESC", BASE_SELECT);
+
+        let records = query_as::<_, BagWithRoastRecord>(&query)
+            .fetch_all(&self.pool)
+            .await
+            .map_err(|err| RepositoryError::unexpected(err.to_string()))?;
+
+        Ok(records
+            .into_iter()
+            .map(Self::to_domain_with_roast)
+            .collect())
+    }
 }
 
 #[derive(sqlx::FromRow)]