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chore(deps): bump github/codeql-action from 4.38.0 to 4.38.1 in the actions group - #326

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Bumps the actions group with 1 update: github/codeql-action.

Updates github/codeql-action from 4.38.0 to 4.38.1

Release notes

Sourced from github/codeql-action's releases.

v4.38.1

  • The CodeQL Action now has experimental support for CodeQL releases for which per-language bundles are available. Per-language bundles support analysis for a single language and are therefore smaller than the combined bundles that allow analysis for all supported languages. As a result, per-language bundles take up less space on disk and are faster to download. We expect to roll this change out to everyone in the coming weeks. #4146
Changelog

Sourced from github/codeql-action's changelog.

4.38.1 - 18 Sept 2026

  • The CodeQL Action now has experimental support for CodeQL releases for which per-language bundles are available. Per-language bundles support analysis for a single language and are therefore smaller than the combined bundles that allow analysis for all supported languages. As a result, per-language bundles take up less space on disk and are faster to download. We expect to roll this change out to everyone in the coming weeks. #4146
Commits
  • 1c5b675 Merge pull request #4152 from github/update-v4.38.1-a65b83a73
  • a97cdca Add changelog entry for #4146
  • cc6c691 Update changelog for v4.38.1
  • a65b83a Merge pull request #4146 from github/henrymercer/per-language-bundles-pr
  • 07fa87d Clarify the latest-nightly eligibility exception
  • f18f353 Describe the bundle URL resolver
  • ecec9b5 Share per-language telemetry fields without renaming
  • 79fe3a1 Move download telemetry into the status-report directory
  • ead1f7d Rename the platform module
  • 549d498 Simplify per-language platform eligibility checks
  • Additional commits viewable in compare view

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Bumps the actions group with 1 update: [github/codeql-action](https://github.com/github/codeql-action).


Updates `github/codeql-action` from 4.38.0 to 4.38.1
- [Release notes](https://github.com/github/codeql-action/releases)
- [Changelog](https://github.com/github/codeql-action/blob/main/CHANGELOG.md)
- [Commits](github/codeql-action@v4.38.0...v4.38.1)

---
updated-dependencies:
- dependency-name: github/codeql-action
  dependency-version: 4.38.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file github_actions Pull requests that update GitHub Actions code labels Sep 26, 2026
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dependabot Bot requested a review from hyperpolymath as a code owner September 26, 2026 20:34
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file github_actions Pull requests that update GitHub Actions code labels Sep 26, 2026
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@hyperpolymath
hyperpolymath merged commit cd9aa40 into main Sep 26, 2026
22 of 25 checks passed
@hyperpolymath
hyperpolymath deleted the dependabot/github_actions/actions-71fcf20ecc branch September 26, 2026 20:45
arena-ai-coding-agent Bot pushed a commit that referenced this pull request Sep 27, 2026
Workflows have failed at creation with `startup_failure` since 2026-09-26.
Root cause: cd9aa40 (dependabot, #326) bumped github/codeql-action
4.38.0 -> 4.38.1 in codeql.yml (+2 -2) and hypatia-scan.yml (+1 -1), but did
not regenerate .github/workflows/actions.lock, which still pinned 4.38.0 in
three places. The lockfile no longer validates against the workflows, so the
lockfile gate rejects the runs before any job starts.

This is the same failure mode, and the same fix, as 9c4b72b (the last green
main commit): "Workflows fail at creation with `The lockfile could not be
validated. Regenerate it by running gh actions-lock`."

Scope: version strings only.

* workflows: map — github/codeql-action@v4.38.0 -> v4.38.1 for codeql.yml
  and hypatia-scan.yml (the refs those files actually use).
* dependencies: entry regenerated for 4.38.1. The commit hash is the PEELED
  tag commit, which is the convention the existing entry already follows
  (v4.38.0^{} = b96794f015dfd88f77b49b1c93e0fa7110f94c63, exactly the hash
  previously recorded). v4.38.1^{} = 1c5b675653bb5c22dbe9b12b556ec555138e09fd,
  resolved via `git ls-remote --tags https://github.com/github/codeql-action`.
  owner_id 9919 / repo_id 259445878 are unchanged — same repository.

Relation to the existing convention is unchanged: the lock records the
repo-level ref (github/codeql-action@v4.38.1) while the workflow files
reference sub-paths (github/codeql-action/init@v4.38.1) — the lock normalised
that the same way for 4.38.0.

NOTE: regenerated by hand, not by `gh actions-lock` — the extension's release
binary is not reachable from the environment this was prepared in. It is
byte-faithful to the tool's convention (verified against the pre-existing
4.38.0 entry) but a maintainer run of `gh actions-lock` should be preferred if
anything looks off. Because the failure mode is startup_failure, this could
not be tested locally — it will only be confirmed by whether runs now start.

Co-authored-by: arena-agent <297053741+arena-agent@users.noreply.github.com>
hyperpolymath pushed a commit that referenced this pull request Sep 27, 2026
…rBundle (#328)

Reopens `main` for business: CI `Agda` has been red since 2026-09-26.

## Status

| | |
|---|---|
| Last green on `main` | `9c4b72b5`, 2026-09-21T12:20 |
| Red since | 2026-09-26T18:35 (three consecutive failing runs) |
| Failing jobs | `cold-check` (Agda typecheck, exit 42) and `check`
(kernel-guard, exit 1) |

Both failures are real defects, not infrastructure. Two independent
causes.

## Failure 1 — `kernel-guard.sh` classification drift (fixed, verified
locally)

`scripts/kernel-guard.sh` check B requires every
`proofs/agda/Echo*.agda` to be named in
`docs/echo-types/echo-kernel-note.adoc`. Three modules added by #325 and
#327 were never
classified:

```
kernel-guard: FAIL: unclassified Echo* module(s) — add to
  docs/echo-types/echo-kernel-note.adoc (and MAP.adoc tag):
  EchoBitNarrowingNumeric EchoExampleBitNarrowing EchoHaplotypeCollapsing
```

All three are **Tier 2** (each depends on a Tier-2 module —
`EchoExampleBitNarrowing` on
`EchoExampleTruncation`, `EchoBitNarrowingNumeric` on both of those,
`EchoHaplotypeCollapsing` on
`EchoAggregation` + `EchoNoSectionGeneric`).

Check A (the funext-free certificate) **already passed** and still
passes: `Echo` and `EchoKernel`
are stdlib-only, no postulates, no escape pragmas, no funext imports.
That certificate is intact.

Verified locally — the guard is pure POSIX shell and needs no Agda:

```
kernel-guard: PASS — funext-free certificate enforced; classification in sync.
EXIT=0
```

## Failure 2 — a missing invariant in `FiberBundle` (fixed, **awaits
CI**)

`EchoHaplotypeCollapsing.agda` did not typecheck. The defect is in
`bundle-fiber-echoes`:

```agda
record FiberBundle : Set where
  field
    haplotype      : Haplotype
    representative : Clone
    fiber          : List Clone          -- no link to `haplotype`

bundle-fiber-echoes : (b : FiberBundle) → List (HaploFiber (FiberBundle.haplotype b))
bundle-fiber-echoes b = map (λ c → c , refl) (FiberBundle.fiber b)
```

`HaploFiber h = Echo collapse h = Σ Clone (λ c → collapse c ≡ h)`, so
the lambda demands
`refl : collapse c ≡ FiberBundle.haplotype b` for an **arbitrary** `c`
taken from `fiber b`.
Those terms are not judgementally equal. Expected message:

```
collapse c != FiberBundle.haplotype b of type Haplotype
when checking that the expression refl has type collapse c ≡ FiberBundle.haplotype b
```

This is **not a typo — the record is missing an invariant**, and the
invariant is already
documented one layer up.
`docs/echo-types/applications/haplotype-collapsing.adoc`:

> Nickel contracts enforce:
> * `count == length clones`
> * **every `clones[i].haplotype_id == haplotype_id`**

The Nickel schema had the contract; the Agda record did not — then the
module tried to *prove* a
consequence of an invariant it never carried.

**Fix:** make the invariant structural rather than re-imposed at the use
site.

```agda
record FiberBundle : Set where
  field
    haplotype      : Haplotype
    representative : HaploFiber haplotype
    fiber          : List (HaploFiber haplotype)
```

`bundle-fiber-echoes` becomes the field projection and needs no proof;
`example-bundle` supplies
genuine echoes. `example-count = refl` and `clone-count-aggregation`
were checked against their
definitions and are correct as they stood. Also drops the now-unused
`map` / `length` imports.

This is the same lesson as the Ephapax `region_shrink` falsity, arriving
from the opposite
direction: there, an invariant kept in a per-use side-condition produced
a *false* lemma; here,
an invariant kept out of the carrier produced an *unprovable* one.

**This half is reasoned, not machine-verified.** No Agda toolchain is
reachable in the
environment this was prepared in (GitHub release assets are
network-blocked and Agda is not
installable from source there), so the fix could not be typechecked
locally. **It needs this PR's
`Agda` run to confirm.** If the error differs from the prediction above,
the reasoning has a hole
and the diagnostic is wrong — please paste the actual output rather than
merging.

## Side findings (not fixed here)

1. **`EchoBitNarrowingNumeric` and `EchoExampleBitNarrowing` are
unreachable from every CI
target.** The cold-check compiles only `All.agda`, `Smoke.agda`,
`characteristic/All.agda`,
`examples/All.agda` and `EchoImageFactorizationPropCubical.agda`.
Neither module is imported
by any of them, so both are **never typechecked by CI** — they only
tripped a grep. #325's own
message notes they were recovered "from unpushed commits". These are
currently unverified.
2. **`docs/echo-types/MAP.adoc`** names `EchoHaplotypeCollapsing` but
neither bit-narrowing
module. `kernel-guard.sh` only checks the kernel note, so this is not a
gate failure — but it
   is drift, and adding entries needs an editorial call on placement.

## Note on this branch

This branch comes from a structural audit of the six-repo estate
(`echo-types`, `ephapax`,
`affinescript`, `systemet`, `anytype`, `panoply`) rather than from the
usual issue flow, hence the
`arena/` name and the absence of a linked issue. Only the two fixes
above are in scope. Happy to
re-cut against an issue, or to drop this and hand the diagnosis over as
an issue instead.

Worth recording that the gate itself worked exactly as designed: because
`All.agda` and
`Smoke.agda` were both wired to the new module, `main` went red the
moment an unprovable lemma
landed. That is the strongest argument for the existing methodology —
the gap is in the repair
loop, not the check.


---

# Second fix: `main`'s CodeQL and Hypatia workflows never start
(`6044971`)

Investigating why this PR's checks came back `startup_failure` turned up
a **separate,
pre-existing breakage on `main`** — one that has nothing to do with this
branch.

## Evidence

On `main`, at commit `1f677531`, pushed by `hyperpolymath`, event
`push`, same run batch:

```
2026-09-27T01:55:43  Agda                      actor=hyperpolymath  -> ran (conclusion: failure)
2026-09-27T01:55:44  CodeQL Security Analysis  actor=hyperpolymath  -> startup_failure
2026-09-27T01:55:45  Hypatia Security Scan      actor=hyperpolymath  -> startup_failure
```

Same actor, same commit, same event. The lockfile validation is
therefore **per-workflow**, and
exactly the two workflows whose lock entries are stale are the two that
never start. The same
pair has startup-failed on every event since 2026-09-26, including human
pushes to `main`.

## Cause

`cd9aa401` (dependabot, #326, 2026-09-26) changed
`.github/workflows/codeql.yml` (+2 −2) and
`.github/workflows/hypatia-scan.yml` (+1 −1), bumping
`github/codeql-action` **4.38.0 → 4.38.1**
— but did not regenerate `.github/workflows/actions.lock`, which still
pinned 4.38.0 in three
places. The lockfile no longer validates against the workflows, so the
gate rejects the runs
before any job is created.

This is the same failure mode, and the same fix, as `9c4b72b5` — the
last green `main` commit,
whose message reads: *"Workflows fail at creation with `The lockfile
could not be validated.
Regenerate it by running gh actions-lock`"*.

## Fix

Version strings only — 2 `workflows:` refs plus the `dependencies:`
entry, resolved to 4.38.1.

The `commit:` hash is the **peeled** tag commit, which is the convention
the existing entry
already follows: `v4.38.0^{} = b96794f0…` is byte-for-byte the hash
previously recorded.
`v4.38.1^{} = 1c5b6756…`, from `git ls-remote --tags
https://github.com/github/codeql-action`.
`owner_id`/`repo_id` are unchanged (same repository). The lock's
existing habit of recording the
repo-level ref while the workflows use sub-paths
(`github/codeql-action@v4.38.1` vs `github/codeql-action/init@v4.38.1`)
is preserved exactly.

**Caveat:** regenerated by hand, not by `gh actions-lock` — the
extension's release binary is
unreachable from the environment this was prepared in. It is faithful to
the tool's convention
(checked against the pre-existing 4.38.0 entry), but a maintainer run of
`gh actions-lock` should
be preferred if anything looks off. Because the symptom is
`startup_failure`, it cannot be tested
locally — it is confirmed only by whether CodeQL/Hypatia next start.

---

# ⚠️ This PR's own checks did not run — they need a human trigger

Every workflow on this branch came back `startup_failure`, including
`Agda`. The reason is the
**triggering actor**, not the content:

```
arena/01a0e040-echo-types  actor=hyperpolymath              -> Agda RAN
arena/01a0e508-echo-types  actor=arena-ai-coding-agent[bot] -> Agda startup_failure
```

Both are `pull_request` events on `arena/*` branches. When the trigger
is the
`arena-ai-coding-agent[bot]` App, no workflow is created at all. `gh run
rerun` is refused with
*"its workflow file may be broken"*.

**To get CI to verify the Agda fix, close and reopen this PR as a
human**, or push any commit to
the branch. Everything below is unverified until that happens.

---------

Co-authored-by: arena-agent <agent@arena.ai>
Co-authored-by: arena-agent <297053741+arena-agent@users.noreply.github.com>
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