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## Problem `refresh_column_async` returned a unit-result job even though durable refresh jobs carry a canonical terminal result. Python callers could not obtain row counts or source and published versions through the public `Job` API, and local and remote refresh jobs exposed different result semantics. ## Behavior `refresh_column_async` now returns `Job[RefreshColumnResult]` for local and remote tables. The general typed-job bridge binds each endpoint to its public result model while preserving unit-result jobs and existing status, wait, cancel, and timeout behavior. A local no-op refresh reports no published version. The Node.js API continues to resolve `wait()` as `void`; its binding erases the Rust result type internally to preserve the existing public contract. ## Ownership and integration boundary LanceDB owns the language-neutral `Job<T>` contract and language-binding decode. Sophon owns production and durable persistence of terminal payloads. Sophon #7348 and #7378 now publish the canonical refresh result for Function-backed and expression-backed refresh jobs, respectively. The remote client fixture matches the merged server schema; live deployment and end-to-end demo acceptance remain separate rollout checks.