Method describe_table

crates/storage-postgres/src/table_engine.rs:39–49

(
        &self,
        account_id: &str,
        input: DescribeTableInput,
    )

    }

    fn describe_table(
        &self,
        account_id: &str,
        input: DescribeTableInput,
    ) -> BoxFuture<'_, Result<TableDescription, StorageError>> {
        let account_id = account_id.to_string();
        Box::pin(async move {
            self.build_table_description(&account_id, &input.table_name)
                .await
        })
    }

    // Fix #10: list_tables requires limit to always be Some (engine always clamps)
    // Note: Real DynamoDB includes tables in CREATING and DELETING states in