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Description
Summary
Follow-on design ticket from #5674 — its decomposition sketch names this as a separate design, and the parent's acceptance requires these tickets to be filed and linked. Filed in the 2026-11-04 gap pass (WS-F) so the design work exists and can be prioritised on its own merits; implementation timing is a separate decision, possibly months out.
What this design must settle
How wire versions are negotiated and what forward compatibility promises: what a v1 peer must do with a v2 frame, and what it may never silently drop.
Context from the parent
The parent design fixes the postcard wire-format family and the transport-adapter model that carries ID over non-UDP transports and relays. The parent issue carries the surrounding decisions this ticket must not re-decide; where this ticket's answer would change a parent decision, record that explicitly rather than silently forking it.
Decision record expected
Close this design with a recorded decision (on this issue or in a doc/ record linked from it): the chosen shape, the alternatives rejected and why, and the invariants implementation must hold. If the design splits further, file the splits and link them here rather than growing this issue.
Relations
Parent: #5674. Programme: epic #2056. Filed by WS-F (2026-11-04 ID design gap & expansion pass).
Activity
developing-today commentedon Nov 5, 2026
CODE-1492
dezren39 commentedon Nov 5, 2026
agent-note:v1
dezren39 commentedon Nov 5, 2026
agent-note:v1
Triage 2026-11-05 (task 10212): well-scoped follow-on design ticket; its one real ordering constraint is its parent.
Verified fresh at triage:
kind/designto match the sibling design tickets; the ticket already carriesapp/id.Routing: design work may proceed in parallel with #5674 (drafting the negotiation shape, v1-peer/v2-frame behavior, never-silently-drop invariants), but the closing decision record is ordered after #5674's decision record. No blocker on Drew; implementation timing is a separate later decision per the filing note.
148 remaining items
dezren39 commentedon Nov 9, 2026
🤖 Agent note · handed off
opencode(lane row 4560) per §1b — handed off; the laptop opencode claimant launches the bound session. Task 12799 parked 1200s pending claimant launch.dezren39 commentedon Nov 9, 2026
🤖 Agent note · handed off
dezren39 commentedon Nov 9, 2026
agent-note:v1
task 12799 handed off to opencode claimant (execution lane row 4560) by lane code-o. Issue #5809 OPEN verified fresh, no hard-stop labels. Next: claimant launches the bound opencode session.
dezren39 commentedon Nov 9, 2026
🤖 Agent note · handed off
dezren39 commentedon Nov 9, 2026
🤖 Agent note · handed off
opencode(lane row 4560)dezren39 commentedon Nov 9, 2026
Agent note — lane code-k, task 12799
dezren39 commentedon Nov 9, 2026
Agent note - handed off: task 12799, lane code-j, opencode claimant row 4560; issue #5809 OPEN, no hard-stop labels. Full note in action-outbox text file 12799-handoff-note-5809-j-20261109-1110.md if needed.