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docs(remediation): precondition (4) closed on measurement — N=2 trailers both land in order; #1030 merge decision resolves to all-land

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mos-dt-0
2026-08-05 18:31:23 -05:00
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docs/remediation/BOARD.md
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## 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) pr-merge.sh message field for coder-mos1/mos2 trailers (be-coder-08) — N=1 survival MEASURED-LANDS; (4) **N>1 trailer behaviour must be MEASURED before merge** (no safe order with 2 non-poster authors; truncation loses one permanently; Mos routed the fixture). 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 |
| 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) pr-merge.sh message field for coder-mos1/mos2 trailers (be-coder-08 — still the open arm); (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
docs/remediation/TASKS.md
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back; values only, same controls; one disposable merge). Until it lands, "the field will carry both"
must not be load-bearing in any GO.
**Precondition (4) CLOSED ON MEASUREMENT (Mos, 2026-08-05, same night):**
`mosaicstack/prmerge-trailer-fixture#2` → squash `39db9d13`, 1 parent, NON-VOID. **N=2 supplied
non-poster trailers BOTH landed, verbatim, in supplied order; the provider appends its generated
poster line LAST.** Truncate-to-first does not occur — TL#7's ordering insurance was against a
behaviour that does not happen, learnable only by measuring. This is #1030's exact shape (poster +
two non-poster authors), so the merge decision resolves to **all-land ⇒ merge as planned, three
authors preserved**. Scope, so nobody over-reads: one row, one estate, one provider version;
N=3+, poster-duplicate dedup, and the absent `Co-committed-by` (tl-mosaic's open item) remain
unmeasured — none needed for #1030. Credit where the ledger should carry it: Mos stood the fixture
down under "don't measure what no longer decides"; **tl-mosaic applied the same test to #1030 and
found its decision genuinely variant under the unknown** — the principle was right and had been
applied too narrowly; the case with two real victims was the one it did not cover. Fixture repo
retained as evidence (two PRs, two merges). Remaining open merge arms: (3) pr-merge.sh message
field, and precondition (2) merger ≠ f10-coder at execution time.
**Addendum (Mos, 2026-08-05) — the floor is a MEASURED ACCIDENT, not a gate that held.** #1030's
poster happens to be its plurality author (f10-coder, 6/13), so the floor preserves the
most-represented contributor — but nobody chose that. f10-coder posted in the ordinary course, long