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New reusable execution helpers in sw-block/engine/replication/runtime: - ExecuteCatchUpPlan: drives catch-up execution, notifies host via callback - ExecuteRebuildPlan: drives rebuild execution, notifies host via callback - RecoveryCallbacks interface: host-side OnCatchUpCompleted/OnRebuildCompleted The host (weed/server/block_recovery.go) supplies concrete IO bindings and receives completion notifications. The reusable execution logic no longer requires weed/server ownership. 4 tests prove boundary behavior: - catch-up callback receives achievedLSN matching plan target - catch-up with plan-derived target works correctly - rebuild callback receives plan reference - nil callbacks don't panic weed/server rebinding to use these helpers deferred to Task J (legacy isolation). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
sw-block
Private WAL V2 and standalone block-service workspace.
Purpose:
- keep WAL V2 design/prototype work isolated from WAL V1 production code in
weed/storage/blockvol - allow private design notes and experiments to evolve without polluting V1 delivery paths
- keep the future standalone
sw-blockproduct structure clean enough to split into a separate repo later if needed
Suggested layout:
design/: shared V2 design docsprototype/: code prototypes and experiments.private/: private notes, phase development, roadmap, and non-public working material
Repository direction:
- current state:
sw-block/is an isolated workspace insideseaweedfs - likely future state:
sw-blockbecomes a standalone sibling repo/product - design and prototype structure should therefore stay product-oriented and not depend on SeaweedFS-specific paths