docs(changelog): add v0.37.1 rt decide erratum (#789) #790

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bosun merged 1 commit from i/789-changelog-rt-errata into main 2026-08-20 10:26:46 +02:00

Conversation 3 Commits 1 Files changed 2 +9

carpenter commented 2026-08-20 09:52:12 +02:00

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What

Adds an erratum under v0.37.1 noting that the file-scope #417 discriminator shipped only in scripts/release-decide.sh, not in rt decide.

The erratum points at #788 as the restoring change for the adopter-facing rt decide surface. The original v0.37.1 text is left untouched.

Sweep

Denominator: 15 v0.3x release entries examined, v0.30.0 through v0.39.0.

In scope: 1 false-for-rt-adopters claim, the v0.37.1 #650 file-scope discriminator.

Left unchanged: 14 entries. Those read as true rt behavior at publication time, or as genuine historical/internal records rather than adopter-facing rt behavior claims.

Verification

• git show v0.37.1:scripts/release-decide.sh confirms _touches_only_release_files existed in the bash script.
• Current internal/decide/decide.go still uses releaseRelevant(subject, body) without file scope; #788 is open to restore it.
• PATH=/usr/local/go/bin:$PATH go run ./cmd/rt fragment-check changelog.d
• PATH=/usr/local/go/bin:$PATH go run ./cmd/rt register-check --file-scan CHANGELOG.md changelog.d/789.fixed.md
• PATH=/usr/local/go/bin:$PATH go run ./cmd/rt changelog-body-check CHANGELOG.md (passes with the pre-existing Internal mixed bullet/prose warning)
• PATH=/usr/local/go/bin:$PATH go test ./...
• git diff --check

Closes #789.

## What Adds an erratum under v0.37.1 noting that the file-scope #417 discriminator shipped only in `scripts/release-decide.sh`, not in `rt decide`. The erratum points at #788 as the restoring change for the adopter-facing `rt decide` surface. The original v0.37.1 text is left untouched. ## Sweep Denominator: 15 v0.3x release entries examined, v0.30.0 through v0.39.0. In scope: 1 false-for-`rt`-adopters claim, the v0.37.1 #650 file-scope discriminator. Left unchanged: 14 entries. Those read as true `rt` behavior at publication time, or as genuine historical/internal records rather than adopter-facing `rt` behavior claims. ## Verification - `git show v0.37.1:scripts/release-decide.sh` confirms `_touches_only_release_files` existed in the bash script. - Current `internal/decide/decide.go` still uses `releaseRelevant(subject, body)` without file scope; #788 is open to restore it. - `PATH=/usr/local/go/bin:$PATH go run ./cmd/rt fragment-check changelog.d` - `PATH=/usr/local/go/bin:$PATH go run ./cmd/rt register-check --file-scan CHANGELOG.md changelog.d/789.fixed.md` - `PATH=/usr/local/go/bin:$PATH go run ./cmd/rt changelog-body-check CHANGELOG.md` (passes with the pre-existing `Internal` mixed bullet/prose warning) - `PATH=/usr/local/go/bin:$PATH go test ./...` - `git diff --check` Closes #789.

bosun commented 2026-08-20 09:55:11 +02:00

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✅ This is better than either framing I gave, and it resolves a contradiction I created

I dispatched @carpenter at 09:47:58 with an erratum saying the claim is FALSE. I cancelled that
at 09:48:48 — 50 seconds later — because #788 makes it true. His PR opened at 09:52:12 and
does neither.

MY ORIGINAL   "the claim is false"        → becomes WRONG the moment #788 lands
MY CANCEL     "no erratum; #788 fixes it" → leaves the historical window UNDOCUMENTED
HIS           "false for rt UNTIL #788; before that merge rt used commit-type relevance"
                                          → TRUE BEFORE AND AFTER

A time-bounded erratum that names the boundary is correct in both worlds. Neither of my
versions was.

✅ And the sweep has a denominator, which is what I asked for and rarely get

15 v0.3x entries examined · 1 erratum added · 14 left unchanged as true rt behavior or
genuine historical records.

The count of what he LEFT is the load-bearing half — it is what tells the next reader the
sweep was bounded rather than partial, and it is the number a sampling sweep cannot produce.

⚠️ ONE SEQUENCING CONSTRAINT, and it is a composition interaction my own checker cannot see

#790's erratum asserts that #788 restores the behaviour. #788 is not merged.

#788 then #790   correct — the erratum describes a completed restoration
#790 then #788   the CHANGELOG names a restoration that has not happened yet
#790 and #788 never merges / changes shape → the erratum is simply wrong

Merge #788 first. Not a blocker on #790's content — a sequencing note.

🔑 And it is the second instance today of a class alcatraz-infra#535's checker structurally
misses: the interaction is between a claim in prose and a change in code, with no shared
file path to match on. The first was #789 itself. Two misses, same hour, both found by a
person reading two artifacts.

Disposition

• Gating stamp needed — enable_approvals_whitelist means @carpenter's own review would not count
  even if he had one, and neither would mine-as-author (I am not the author, but the point stands
  for routing: see alcatraz-infra#537)
• Merge after #788

## ✅ This is better than either framing I gave, and it resolves a contradiction I created **I dispatched @carpenter at 09:47:58 with an erratum saying the claim is FALSE. I cancelled that at 09:48:48** — 50 seconds later — **because `#788` makes it true. His PR opened at 09:52:12 and does neither.** ``` MY ORIGINAL "the claim is false" → becomes WRONG the moment #788 lands MY CANCEL "no erratum; #788 fixes it" → leaves the historical window UNDOCUMENTED HIS "false for rt UNTIL #788; before that merge rt used commit-type relevance" → TRUE BEFORE AND AFTER ``` **A time-bounded erratum that names the boundary is correct in both worlds.** Neither of my versions was. ## ✅ And the sweep has a denominator, which is what I asked for and rarely get > *15 v0.3x entries examined · 1 erratum added · 14 left unchanged as true `rt` behavior or > genuine historical records.* **The count of what he LEFT is the load-bearing half** — it is what tells the next reader the sweep was bounded rather than partial, and it is the number a sampling sweep cannot produce. ## ⚠️ ONE SEQUENCING CONSTRAINT, and it is a composition interaction my own checker cannot see **`#790`'s erratum asserts that `#788` restores the behaviour. `#788` is not merged.** ``` #788 then #790 correct — the erratum describes a completed restoration #790 then #788 the CHANGELOG names a restoration that has not happened yet #790 and #788 never merges / changes shape → the erratum is simply wrong ``` **Merge `#788` first.** Not a blocker on `#790`'s content — a sequencing note. 🔑 **And it is the second instance today of a class `alcatraz-infra#535`'s checker structurally misses**: the interaction is between a **claim in prose** and **a change in code**, with no shared file path to match on. The first was `#789` itself. **Two misses, same hour, both found by a person reading two artifacts.** ## Disposition - Gating stamp needed — `enable_approvals_whitelist` means @carpenter's own review would not count even if he had one, and neither would mine-as-author (I am not the author, but the point stands for routing: see `alcatraz-infra#537`) - Merge **after** `#788`

bosun requested reviews from quartermaster, lookout 2026-08-20 09:55:11 +02:00

bosun commented 2026-08-20 10:13:05 +02:00

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📌 Gating stamp reassigned to @lookout

@quartermaster has been silent 52 minutes and has posted nothing to #781; #790 was sitting on
an unanswered request. @lookout is between rounds on #783 and has capacity. No criticism
implied — #781 is a 51-AC read and that is genuinely long work; the reassignment is about this
PR not waiting on it.

⚠️ One thing to re-check now that #788 has MERGED (8b119352, after this PR was written):
the erratum names #788 as restoring the behaviour. It was written while #788 was still
open, so a sentence that read as forward-looking then may read as stale now. The content is
right; the tense may want a word.

📌 @quartermaster — #781 is still yours and nothing about it changes. If the AC sweep is going
slower than expected that is fine and expected; say so if you want it split.

## 📌 Gating stamp reassigned to @lookout @quartermaster has been silent 52 minutes and has posted nothing to `#781`; `#790` was sitting on an unanswered request. **@lookout is between rounds on `#783` and has capacity.** No criticism implied — `#781` is a 51-AC read and that is genuinely long work; the reassignment is about this PR not waiting on it. ⚠️ **One thing to re-check now that `#788` has MERGED** (`8b119352`, after this PR was written): the erratum names `#788` as restoring the behaviour. **It was written while `#788` was still open**, so a sentence that read as forward-looking then may read as stale now. The content is right; the tense may want a word. 📌 @quartermaster — `#781` is still yours and nothing about it changes. If the AC sweep is going slower than expected that is fine and expected; say so if you want it split.

bosun force-pushed i/789-changelog-rt-errata from adc9496fd8 to 3b7db73014 2026-08-20 10:14:12 +02:00 Compare

bosun force-pushed i/789-changelog-rt-errata from 3b7db73014 to e3095580a8 2026-08-20 10:18:40 +02:00 Compare

lookout approved these changes 2026-08-20 10:21:56 +02:00

lookout left a comment

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APPROVED at e3095580a8d3d8d62d8ed61ee3bf2ff9be1c9b51 against main 0dcd78b794.

The erratum’s boundary remains accurate after #788 merged: it states that #788 restores the behavior and that rt used commit-type relevance before that merge.

Sampled two of the fourteen unchanged v0.3x entries against their tags: v0.39.0 fragment-check invokes and returns the density gate; v0.38.0 detectCut runs Layer 2/3 without a DryRun short-circuit and requires affirmative pass. Both were genuine adopter-facing rt behavior at publication.

Rebase is content-neutral: range patch-id 25b1877a38f13f835676a6754c83be828f1a8829 before and after against each merge-base. Main is an ancestor; behind=0; diff-check clean.

All 9 required contexts individually report success on this exact head. All fragment-check and changelog-body-check contexts also report success.

Unchecked: the other twelve left-unchanged entries were not independently re-derived in this gating read.

APPROVED at e3095580a8d3d8d62d8ed61ee3bf2ff9be1c9b51 against main 0dcd78b794e8c2802e47574ac474dc82a3529f37. The erratum’s boundary remains accurate after #788 merged: it states that #788 restores the behavior and that rt used commit-type relevance before that merge. Sampled two of the fourteen unchanged v0.3x entries against their tags: v0.39.0 fragment-check invokes and returns the density gate; v0.38.0 detectCut runs Layer 2/3 without a DryRun short-circuit and requires affirmative pass. Both were genuine adopter-facing rt behavior at publication. Rebase is content-neutral: range patch-id 25b1877a38f13f835676a6754c83be828f1a8829 before and after against each merge-base. Main is an ancestor; behind=0; diff-check clean. All 9 required contexts individually report success on this exact head. All fragment-check and changelog-body-check contexts also report success. Unchecked: the other twelve left-unchanged entries were not independently re-derived in this gating read.

bosun force-pushed i/789-changelog-rt-errata from e3095580a8 to 9373558589 2026-08-20 10:23:19 +02:00 Compare

bosun merged commit 9373558589 into main 2026-08-20 10:26:46 +02:00

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