mos-remediation — LIVE BOARD (keep < 8 KB)

Phase: EXECUTING — RM-02 keystone is the front. Updated: 2026-08-05 — successor seat live. D-56 state correction applied (lost round-5 dispatch, 4 idle days); round-5 review then ran same day: verdict id 88 REQUEST_CHANGES @ e910a45a, remediation dispatched to coder-mos2. Review dispatches now always leave a durable PR comment. ⚠ That was a MANUAL pane respawn (prior seat ~803k tokens): it validates the checkpoint+rehydration design, NOT a lifecycle mechanism — P-LIFECYCLE rotation does not exist yet (D-41 / RM-62).

Head

Charter + 15 decisions + 4-build plan: MISSION.md. Backlog + all findings: TASKS.md.
Planning DONE (58 tasks, P0–P5). DECISION-1/2/3 all RULED by Mos 2026-07-31 (TASKS.md §5) — nothing is waiting on a decision. D-2's availability target is Jason-pending and non-blocking.
Executing, not planning. RM-01 is MERGED; three lanes are live (see In-flight).
Orchestrator seat mos-remediation LIVE, owns the mission, resumed across the rotation seam 2026-08-01 and re-attested to Mos from the files. Residency attestation: PASS.

In-flight

Task	Owner	State
RM-01 checkout	—	MERGED `f58b3699` (#1027)
RM-03 queue guard	Jason (re-sync)	✅ MERGED `58b971ab` (#1032), #1019 closed. ⚠ NOT DELIVERED: installed guard still the broken one (291 lines / 0 `ASSERTED_NOT_READY` vs main 482 / 5). Re-sync via `mosaic upgrade`, then prove it blocks a KNOWN-RED pipeline — D-51
RM-02 registry ★key	coder-mos2	ROUND-5 VERDICT id 88 REQUEST_CHANGES @ `e910a45a` (2026-08-05T22:37Z, live). 2 blockers left: renderer accepts manifest-controlled `COMPATIBILITY` -prefixed provenance-success payloads; overclaim control is lexical-not-semantic vs docs claims. Shrink-together + evidence-subject CONFIRMED CLOSED — do not weaken. Remediation dispatched to `coder-mos2` 22:5xZ (PR comment + verified tmux); context guard: checkpoint at 85%. ⚠ MERGE PRECONDITIONS (D-55/D-55f, measured): poster=f10-coder (1 of 3 authors); (1) explicit `-m squash` (repo default `merge` discards ALL authorship); (2) merger ≠ f10-coder (self-merge suppresses the trailer generator → all 3 lost); (3) the EXECUTING pr-merge.sh must contain `MergeMessageField` — merging #1066 is NOT sufficient (deployed wrapper `08a65e85` = 0 refs, physically cannot emit; D-51's merged≠effective class inside the remedy; Mos-as-merger verifies wrapper sha256 before ANY trailer-dependent merge and refuses on `08a65e85`); (4) ✅ CLOSED ON MEASUREMENT — N=2 supplied non-poster trailers BOTH land, order preserved, poster line appended last (fixture prmerge-trailer-fixture#2 → `39db9d13`, #1030's exact shape; N=3+/poster-dup-dedup/Co-committed-by absence remain unmeasured but #1030 needs N=2). Merge decision resolved: all-land ⇒ merge as planned, three authors preserved. Trade in body; branch MUST NOT be deleted. ACs @ `dde38717`
RM-61 CI exemption	—	✅ MERGED `f4fd5967` (#1033). #1034 closed; #1000 stays OPEN (retirement trigger). Exemption is on `main`
RM-59 / RM-60	Jason (infra)	tracked deps; RM-60 option B
#1023 queue attempt	Jason	SUPERSEDED-PENDING-JASON — live REQUEST_CHANGES, do not merge

For the incoming orchestrator — read this before acting

Lane state lives in the In-flight table above — this item does NOT restate it. It went stale three times in one session by duplicating that table (D-26's class). Read the table. ⚠ And re-derive any board claim from the provider before load-bearing use (D-43) — the board is sole-written and has no independent verifier.
docs/remediation/TASKS.md is authoritative, not the newest voice in a chat. It holds 58 findings (D-1…D-6 in BOARD-LEDGER.md, D-7…D-55c + D-38c in TASKS.md), every ruling with its rationale, and the requirements each finding placed on RM-02/RM-34/RM-50/RM-55.
MISSION.md carries the first-class principles — read them there, they are not listed here. Two added 2026-08-01: the anchor must live outside the audited party's authority (D-19/D-25/D-45, third arrival) and no universally-quantified check may pass over an empty set (D-44/D-46).
Seat identity: export MOSAIC_GIT_IDENTITY=<seat> is stripped by a context reset (D-34) — every dispatch/rehydration brief must re-export it, or the seat cannot use its credentials.
Scan CI from -f json, never default text — text mode omits clone (D-33). State counts.
The queue guard is zero-information until RM-03 merges (D-23) — never cite its green.
The bounded CI re-roll used on RM-02 was a one-time stopgap, NOT policy. A per-PR free re-roll is D-21 normalisation. Do not repeat it; RM-61 is the fix.

Delivery gates — REFERENCE, do not restate

Canonical: ~/.config/mosaic/fleet/roles.local/merge-gate.md (verdict authority) + ~/.config/mosaic/fleet/roles/validator.md. Order and the freeze/zero-information rules: MISSION.md and KICKSTART.md. Read them there (why: D-26, in BOARD-LEDGER.md).

Fleet seats

Roster rolled verbatim to BOARD-LEDGER.md; live truth is mosaic fleet ps.

Gate status

Freeze: LIFTED for this workstream only.
Git identity: orchestrator runs MOSAIC_GIT_IDENTITY=mos-dt-0 INTERIM. Mos ruled gate-16 HOLDS (author≠reviewer is what gate-16 protects; rev-974 reviews, mos-dt-0 never self-reviews). Dedicated identity TRACKED, Mos provisions.
Capability + seat identity (D-11b / D-11a, incl. the false-NEGATIVE twin): authoritative in TASKS.md. Short form — assert the DIFFERENTIAL as that seat (authenticated push:true vs unauthenticated push:false); a single endpoint can be true for anyone or 403 for an unrelated scope. Full text rolled to BOARD-LEDGER.md.
⚠ LIVE HAZARD (D-37) — one shared .git/config re-identifies EVERY worktree at once. Every seat, including rev-974's review worktree, currently authors as coder-mos1; MOSAIC_GIT_IDENTITY does not override it. STANDING ORDER: commit with explicit git -c user.name=<seat> -c user.email=<seat>@…, and NOBODY rewrites the shared config mid-flight. Real fix authorised, Mos owns it, sequenced at a quiet seam. #1024 implicated. Detail: D-37.
Standing worker-brief doctrine (mandatory in EVERY brief): re-export MOSAIC_GIT_IDENTITY (D-34); commit early/WIP (D-31); don't weaken a RED test to pass; if a check is unrunnable SAY SO, never substitute; agent-send -f never -m; artifacts off shared /tmp; scan CI from -f json (D-33); relay observations into an open review, NEVER your own conclusion on an open check (D-39); the author never adjudicates their own PR's blocker status — surface evidence, prepare the fix, hold.
Remote control: native /remote-control NOT wired in this runtime. Path is Mos-relay (Jason ↔ mos-claude via Discord ↔ mos-remediation via agent-send). Not a blocker.

Decisions log — full record in `TASKS.md`

All 58 findings (D-1…D-6 in BOARD-LEDGER.md, D-7…D-55c + D-38c in TASKS.md) and every ruling with its rationale live there. Not duplicated here. The history of why this board must not restate — six stale copies across two seams — is rolled verbatim into BOARD-LEDGER.md.

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