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Echo / git-warp witnessed suffix sync #489

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Echo / git-warp witnessed suffix sync#489
Labels
lane:up-nextMethod lane up-next.legend:platformMethod legend platform.release:echo-1.0Echo 1.0 release convergence scope
Milestone
Echo 1.0

Description

@flyingrobots
flyingrobots
opened on Jun 1, 2026

Migrated from Method backlog

This issue was created from a legacy filesystem backlog card. GitHub Issues are now the live work tracker; repository docs remain Method evidence.

Source backlog: docs/method/backlog/up-next/PLATFORM_echo-git-warp-witnessed-suffix-sync.md
Original lane: up-next
Original legend: PLATFORM

Original backlog card

Echo / git-warp witnessed suffix sync

  • Lane: up-next
  • Legend: PLATFORM
  • Rank: 1

Why now

Echo now has honest publication for neighborhood and settlement runtime truth,
and Continuum has a cleaner "shared causal history, two temperatures" story.

What is still missing is the concrete handoff boundary:

  • Echo should export witnessed causal suffixes
  • Echo should import peer suffixes through normal admission
  • hot/cold runtime handoff should not degrade into state synchronization
    folklore

Hill

Prove one honest Echo runtime path for:

  • export_suffix(request) -> CausalSuffixBundle
  • import_suffix(bundle) -> ImportSuffixResult

without last-write-wins, silent branch mutation, or looped re-import.

Done looks like

  • one narrow bundle request shape exists over graph/lane/frontier identity
  • one bundle export path gathers witnessed transitions plus payload references
  • one import path normalizes against local frontier truth and returns:
    • admitted
    • staged
    • braided
    • conflict
    • obstructed
  • one duplicate-import case proves idempotence
  • one first peer proving target is named:
    • git-warp import of Echo-exported suffixes

Repo Evidence

  • docs/design/0009-witnessed-causal-suffix-sync/design.md
  • docs/design/0008-strand-settlement/design.md
  • crates/warp-core/src/settlement.rs
  • crates/warp-core/src/neighborhood.rs
  • crates/echo-wasm-abi/src/kernel_port.rs
  • crates/warp-wasm/src/warp_kernel.rs

Activity

  1. flyingrobots
    added
    lane:asapMethod lane asap.
    legend:platformMethod legend platform.
    on Jun 1, 2026

  2. coderabbitai commented on Jun 1, 2026

    @coderabbitai
    coderabbitaibot
    on Jun 1, 2026 – with coderabbitai
    Contributor
    🔗 Related PRs

    #322 - feat: add witnessed suffix admission shell skeleton [merged]
    #323 - Witnessed suffix admission evaluator [merged]
    #325 - Canonical witnessed suffix posture constructors [merged]
    #329 - Stack Witness 0001 fixture-backed jedit walking skeleton [merged]
    #358 - feat(core): add admission evidence boundaries [merged]

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  3. flyingrobots
    added
    lane:up-nextMethod lane up-next.
    and removed
    lane:asapMethod lane asap.
    on Jun 1, 2026
  4. flyingrobots
    modified the milestones: , Echo 1.0 on Jun 20, 2026
  5. flyingrobots
    added a parent issue on Jun 20, 2026
  6. flyingrobots
    marked this as blocking on Jun 20, 2026
  7. flyingrobots
    marked this as blocked on Jun 20, 2026
  8. flyingrobots
    added
    release:echo-1.0Echo 1.0 release convergence scope
    on Jun 20, 2026
  9. github-project-automation
    added this to Continuum Stack Convergenceon Jun 20, 2026
  10. github-project-automation
    moved this to Todo in Continuum Stack Convergenceon Jun 20, 2026
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