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seaweedfs/sw-block/private/README.md
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pingqiuandClaude Opus 4.6 edec7098e8 feat: add V2 protocol simulator and enginev2 sender/session prototype
Adds sw-block/ directory with:

- distsim: protocol correctness simulator (96 tests)
  - cluster model with epoch fencing, barrier semantics, commit modes
  - endpoint identity, control-plane flow, candidate eligibility
  - timeout events, timer races, same-tick ordering
  - session ownership tracking with ID-based stale fencing

- enginev2: standalone V2 sender/session implementation (63 tests)
  - per-replica Sender with identity-preserving reconciliation
  - RecoverySession with FSM phase transitions and session ID
  - execution APIs: BeginConnect, RecordHandshake, BeginCatchUp,
    RecordCatchUpProgress, CompleteSessionByID — all sender-authority-gated
  - recovery outcome branching: zero-gap, catch-up, needs-rebuild
  - assignment-intent orchestration with epoch fencing

- design docs: acceptance criteria, open questions, first-slice spec,
  protocol development process

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-28 10:38:27 -07:00

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# private
Deprecated in favor of `../.private/`.
Private working area for:
- design sketches
- draft notes
- temporary comparison docs
- prototype experiments not ready to move into shared design docs
Keep production-independent work here until it is ready to be promoted into:
- `../design/`
- `../prototype/`
- or the main repo docs under `learn/projects/sw-block/`