feat(sidebar): add configurable object metadata display

crates/dbx-web/src/main.rs

@@ -278,6 +278,7 @@ async fn main() {
         .route("/agents/progress/{operationId}", get(routes::agents::agent_progress))
         // Schema
         .route("/schema/databases", get(routes::schema::list_databases))
+        .route("/schema/database-storage", post(routes::schema::list_database_storage))
         .route("/schema/doris/catalogs", get(routes::schema::list_doris_catalogs))
         .route("/schema/doris/catalog-databases", get(routes::schema::list_doris_catalog_databases))
         .route("/schema/sqlserver/linked-servers", get(routes::schema::list_sqlserver_linked_servers))

crates/dbx-web/src/routes/schema.rs

@@ -25,6 +25,12 @@ pub struct SchemaQuery {
     pub client_session_id: Option<String>,
 }
 
+#[derive(Deserialize)]
+pub struct DatabaseStorageRequest {
+    pub connection_id: String,
+    pub databases: Vec<String>,
+}
+
 pub async fn list_databases(
     State(state): State<Arc<WebState>>,
     Query(q): Query<SchemaQuery>,
@@ -33,6 +39,16 @@ pub async fn list_databases(
     Ok(Json(serde_json::to_value(result).map_err(|e| AppError::from(e.to_string()))?))
 }
 
+pub async fn list_database_storage(
+    State(state): State<Arc<WebState>>,
+    Json(request): Json<DatabaseStorageRequest>,
+) -> Result<Json<Vec<dbx_core::db::DatabaseStorageInfo>>, AppError> {
+    let result = dbx_core::schema::list_database_storage_core(&state.app, &request.connection_id, &request.databases)
+        .await
+        .map_err(AppError::from)?;
+    Ok(Json(result))
+}
+
 /// Resolve a non-internal catalog for dispatch to the Doris multi-catalog path.
 async fn external_doris_catalog(state: &Arc<WebState>, connection_id: &str, catalog: Option<&str>) -> Option<String> {
     dbx_core::schema::resolve_external_doris_catalog(&state.app, connection_id, catalog).await