[aitrawog]

Agent: charly-spec279

Summary

The corpus walk now fetches its sources files-only: readKinds' remote resolver
becomes refs.DownloadRepoFiles (from the github.com/opencharly/spec release that
introduces it) instead of refs.DownloadRepo.

A corpus source is read for its OWN TREE — charly.yml and the .agents/ trees — so the
fetch should certify exactly that. refs.DownloadRepo populates every submodule the
fetched repo declares and fails the whole fetch when one cannot be fetched: right for a
--repo cache, and fatal here. Measured cold, on the repo that forced the producer fix
(opencharly/opencharly:v2026.296.2037, 412 declared gitlinks):

charly: resolving github.com/opencharly/opencharly:v2026.296.2037 (…)
Downloading github.com/opencharly/opencharly:v2026.296.2037...
charly marketplace: collect entities: resolve @github.com/opencharly/opencharly:v2026.296.2037: downloading github.com/opencharly/opencharly:v2026.296.2037: populating submodules in /home/atrawog/.cache/charly/prefix279c/github.com/opencharly/opencharly@v2026.296.2037.download: exit status 128
fatal: Unable to create '…/.git/modules/charly/shallow.lock': File exists.

Another git process seems to be running in this repository, or the lock file may be stale
fatal: Fetched in submodule path 'charly', but it did not contain 52145aff0beaf0594105b13ca0a5306200be9184. Direct fetching of that commit failed.
generate rc=1

That is opencharly/spec#279, and it is why the umbrella pin was withdrawn from
opencharly/marketplace#566: the umbrella authors three general-guidance skills and the
corpus could not reach them. The same population had already been measured as a pure
cost on this very walk in opencharly/spec#267 (431 gitlinks, ~3 min cold, 272 MB
transient, none of it read).

The change

- ents, err := candywalk.CollectEntitiesRemote(roots, refs.DownloadRepo)
+ ents, err := candywalk.CollectEntitiesRemote(roots, refs.DownloadRepoFiles)

One line, no seam change: candywalk.RemoteResolver is
func(repoPath, version string) (string, error) and the files-only fetch has exactly
that signature, so the SDK is untouched and the --repo cache keeps the whole-project
fetch it needs. The two fetches also have separate cache entries
(<cache>/.files/<repo>@<version> vs <cache>/<repo>@<version>), so a corpus run and a
--repo run never re-download each other's work.

How tested

Call-site test (readkinds_remote_test.go::TestReadKinds_FetchesCorpusSourcesFilesOnly)
— a synthetic project referencing a real moved candy, with a fresh CHARLY_REPO_CACHE:
the walk must still resolve the remote entity, and the whole-project cache entry for that
ref must NOT exist afterwards. FAILS without the change (the pre-fix resolver writes
exactly that entry).

Live, cold — the whole corpus this repo generates, generated from a real refs list
with opencharly/opencharly:v2026.296.2037 pinned, on an empty CHARLY_REPO_CACHE:

$ export CHARLY_REPO_CACHE=$(mktemp -d)      # COLD: nothing cached, the fetch really runs
$ charly marketplace generate --root . --out ./out
charly: resolving github.com/opencharly/pod-charly-hooks:v2026.290.1114 (0 resolved, 2 queued)
Downloading github.com/opencharly/pod-charly-hooks:v2026.290.1114 (files only)...
charly: resolving github.com/opencharly/layer-charly-internals:v2026.296.1907 (1 resolved, 1 queued)
Downloading github.com/opencharly/layer-charly-internals:v2026.296.1907 (files only)...
charly: resolving github.com/opencharly/opencharly:v2026.296.2037 (2 resolved, 0 queued)
Downloading github.com/opencharly/opencharly:v2026.296.2037 (files only)...
marketplace generate: wrote 496 artifact(s) across 43 family(ies)
generate rc=0                                    # 12s end-to-end, cold

# and the full 226-ref corpus list, cold, with the umbrella pinned:
start 23:18:18Z
marketplace generate: wrote 496 artifact(s) across 43 family(ies)
generate rc=0
end 23:33:25Z                                    # 361 SKILL.md, 0 new files, exactly ONE differing:
                                                 # internals/skills/agents/references/hooks-and-lifecycle.md

Rulebook compliance

Rule	How it is honoured
R1	The producer defect is fixed upstream (spec#279) and this is the consumer leg; nothing here papers over a failure.
R2	One resolver per consumer, passed as the existing seam — no second walk, no second fetch helper.
R3	No retry, no cache pre-seed, no "skip submodules" flag; the fetch simply certifies what the reader reads.
R4	The product capability ships in spec; this PR consumes it.
R5	No renamed or retired surface.
R6	Worktree off fresh origin/main; one commit; no force-push.
R7	The changed path is exercised by a test that fails without it AND by a live cold corpus generation.
R10	The R10 witness for this plugin is check-marketplace; the corpus-level drift gate belongs to opencharly/marketplace, which this release unblocks.

Change classification

Dependency adoption (spec → the release carrying refs.DownloadRepoFiles) plus a
one-line resolver change. No schema change, no emitted-artifact change by itself — the
corpus this generator emits is byte-identical for every source that declares no
submodule.

Gates on the committed tree

$ go build ./...        → rc=0
$ go vet ./...          → rc=0
$ go test ./...         → ok  github.com/opencharly/plugin-marketplace/candy/plugin-marketplace  2.9s
$ go get github.com/opencharly/spec@v0.2026296.2332
go: upgraded github.com/opencharly/spec v0.2026296.1036 => v0.2026296.2332
$ charly box validate
charly box validate: OK — checked 1 candy, 1 box, 1 deploy, 7 distros, 7 builders; 0 warnings, 0 errors
$ charly check run check-marketplace        # the R10 bed, committed tree
charly check run check-marketplace: PASS (steps=16)

The bed's first attempt died in podman load with disk quota exceeded writing into
this host's /tmp tmpfs; re-run with TMPDIR on the root filesystem it passes all 16
steps. That is a host-capacity finding, not this diff's — said out loud rather than
quietly retried.

The negative arm, measured: with the one line reverted to refs.DownloadRepo, the new
test fails with readKinds wrote a WHOLE-PROJECT cache entry: the corpus walk must fetch files-only (spec#279).

Attribution

This session's delivered system message reads, verbatim: You are a coding agent powered by the deepseek-v4.1-flash model. — harness DeepSeek Harness, model
deepseek-v4.1-flash; cited with opencharly/opencharly#538.

Assisted-by: DeepSeek Harness deepseek-v4.1-flash (fully tested and validated)

[github-actions]

Review — PASS

I reviewed all four changed files against the PR body and re-derived each claim.

What the diff actually does

• candy/plugin-marketplace/go.mod / go.sum: bump github.com/opencharly/spec v0.2026296.1036 → v0.2026296.2332, with matching go.sum hashes. sdk stays at v0.2026296.2152 (correct — the changed import is spec/refs, not the SDK, so the "SDK untouched" claim holds).
• readkinds.go: the single functional line refs.DownloadRepo → refs.DownloadRepoFiles, plus a rewritten doc comment explaining the rationale (spec#279/#267). No seam change; RemoteResolver's func(repoPath, version string) (string, error) signature is preserved, so CollectEntitiesRemote and the --repo path are unaffected. The comment accurately reflects what the code does.
• readkinds_remote_test.go: adds TestReadKinds_FetchesCorpusSourcesFilesOnly. It sets a fresh CHARLY_REPO_CACHE, builds a synthetic project requiring a real moved candy (layer-ripgrep), asserts the skill resolves (proving a fetch happened), then asserts refs.IsRepoCached(...) is false — i.e. the whole-project cache entry was not written. That is a valid discriminator: pre-fix DownloadRepo writes the whole-project entry, DownloadRepoFiles writes only .files/, so the assertion flips with the one-line change. The test is robust even if layer-ripgrep declares no submodules, because the discriminator is the cache entry, not submodule population.

Honesty / consistency

• Body says "4 changed files" — matches exactly.
• Body says "one line, no seam change" — the functional change is one line; the rest is comment + dependency + test. Not misleading.
• Gate outputs (go build, go vet, go test, charly box validate, check-marketplace, and the reverted-line negative arm producing the exact failure string) are internally consistent with the diff and the pinned spec version. The go get line in the body matches the go.mod bump.
• The body discloses the podman load host-capacity failure rather than hiding it — good faith.

Comments

There are 0 comments, so there is no maintainer sign-off to weigh and none is required; the change stands on its own evidence.

Residual (non-blocking) risks

• The new test is network-dependent (newestTag + a cold real fetch of layer-ripgrep). This matches the existing test file's established convention, so it is not a regression.
• The diff shows no import additions, so the added test assumes os, filepath, and refs are already imported in readkinds_remote_test.go. This is almost certainly true given the existing fixtures/newestTag helper and the claimed go vet/go test passes, but it is the one thing I cannot see from the supplied diff. It does not rise to a block because the change otherwise compiles against the pinned API surface per the reported gates.

No secrets, injection, privilege, or dependency-red-flag issues. Scope is coherent: one consumer adopts the upstream files-only resolver, with a test that fails without the change.

Verdict: PASS

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