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mathias cba0fe4337 docs(tdd): fix ten defects the GREEN run found in the language references
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The pressure test that #18 and #20 were waiting on. All six original gaps came
back ANSWERED with the lines quoted — and the run then found ten problems in
what I had written. The worst two are mine, not inherited.

**The Python exemplar was the evaluation task.** references/python.md
demonstrated `split_vat` — the exact function the test scenario asks for,
negative-amount case included. The run said so: "as a teaching example that's
over-fitted; as an evaluation it's a leak... this task can't answer it — the
reference handed over the finished artifact." So the run could not measure
whether the guidance transfers, only whether copying works. The exemplar is now
`parse_retry_after`, deliberately unrelated to anything in this estate, and it
states its own contract rather than requiring the reader to divide 12500 by 1.25
to discover it.

**mypy at RED pointed at the stub the same file forbids.** python.md taught that
a pytest ImportError is a legitimate red, then presented `mypy --strict` as a
matched pair without saying that mypy reports the same missing module — so
following both literally, the way to get mypy green at RED is to create the
module. Now stated: that error is the expected red; what must be fixed
immediately is a --strict violation inside the test file you just wrote.

The rest, each quoted in the run:

- The checklist contradicted itself two lines apart — "strike it deliberately"
  above, "Can't check all boxes? You skipped TDD" below. A struck box is by
  definition unchecked, so the Python path routed straight into "start over".
- `match=` was overclaimed as "free". It is `re.search`, so a message containing
  parens quietly matches almost anything; and it couples every error test to
  wording. The Go comparison was a strawman against `assert.Error` when
  `assert.ErrorIs` exists — the honest Python analogue is a custom exception
  type, with `match=` as the fallback.
- `pytest.approx` was listed as the soft-assert analogue. It solves float
  tolerance and has nothing to do with collecting failures; that is
  pytest-subtests or pytest-check, neither of which ships with pytest.
- The whole-shape assertion silently required value equality — on a plain class
  it compares identity and can never pass.
- "When Stuck" is a language-neutral table that prescribed `t.Helper()`.
- `__tracebackhide__` must be a local inside the helper body; at module level it
  does nothing, silently.

Refs #18, #20
Bump-Type: patch
2026-08-29 15:16:20 +02:00
mathias 1d368d4b5d docs(skills): drop the Mode 2 routing notes, fix the contributing steps
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Seven skills carried a `## Mode 2 Routing Note` citing a routing pod ("Plan 6")
that does not exist. Several admitted in their own text that nothing about the
skill changes between modes — so it was roughly ten lines of context on every
load for zero behavioural effect. The content is not worthless, just not
per-skill: it now lives as one table in README.md, with the caveat that nothing
depends on it.

The related line inside the session_log sections stays, because that one does
motivate behaviour — but it no longer cites a component that has never shipped.
It now says what is true: pass-rate is what a future routing decision would be
based on, and a skill that never logs contributes no evidence either way.

While in README: the contributing steps were stale enough to fail CI for anyone
who followed them. They said to add a row to SKILLS_INDEX.md by hand — the table
is generated now, and `task check` fails on a hand-edited diff — and listed none
of the four frontmatter keys the gates require. Step 4 now names the
pressure-test bar from #19 rather than leaving it to be discovered.

Closes #36
Bump-Type: patch
2026-08-29 14:50:14 +02:00
mathias b616c51a2c fix(skills): document a session_log call the tool would actually accept
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Nine skills documented the payload. None named `session_id`, which is the
tool's only required field. So every documented call was one the tool rejects —
an agent following any of them either failed the call or invented an id, and
invented ids do not group, which means the pass-rate the /pass-rate endpoint
computes was being assembled from entries that cannot be joined.

Found by the #19 pressure test against `debug`, which invented
`debug-signed-artifact-missing-2026-08-29` and said so: "my three entries are
only groupable by luck of naming". The grep afterwards showed it was fleet-wide,
not a `debug` bug.

Also removed: `duration_ms: <wall-clock>` in eight of them. An agent does not
observe a clock. The same run omitted it "rather than fabricate", which is the
good outcome; the bad outcome is the run that fabricates, and a made-up number
in a metrics stream is worse than a missing one. It is an optional field and is
now simply absent.

bin/check-session-log gates both, with tests. This is exactly the case #19 has
in mind for a small tool over prose: the rule is a grep, so it should be a gate,
not a note asking people to remember.

Closes part of #36
Bump-Type: patch
2026-08-29 14:49:20 +02:00
mathias 8da7c9c45f docs(tdd): make the spine language-neutral, add four language references
The discipline in tdd was already language-agnostic; the checklist under it was
not. A Python user inherited a mandatory `go test -race` box they can never tick
and never got told that `mypy --strict` belongs in the red gate.

Per #18's own comment and writing-skills' Multi-Language Dilution warning, the
main SKILL.md keeps ONE canonical inline example (Go, the default stack) and the
other four languages live in reference files: python, typescript, rust, java.

The RED run drove every change. A subagent given a Python task with the Go-only
skill reported, in its own words:

- "Everything from L169 to L244 is Go-only, and the verification checklist at
  L326 silently inherits that Go-ness — which is why a Python user ends up with
  a mandatory box (-race) they can never tick and a required gate (mypy
  --strict) that isn't listed at all."
- "For a brand-new function, the first RED is always a collection-time
  ImportError... The only clean resolutions are a stub that raises
  NotImplementedError (production code before a red test?) or accepting
  ImportError as a legitimate red. The skill picks neither, and this is the
  single biggest gap." It now picks: that red is legitimate, and writing a stub
  to satisfy the runner is the Iron Law with extra steps.
- The Go table-driven exemplar branches on a `wantErr` column inside the loop.
  Translated literally that is a conditional assertion folding two behaviours
  into one test — which this skill's own quality table forbids. The agent caught
  itself mid-translation; both SKILL.md and python.md now say not to port it.

Also: the checklist names the static-analysis gate per language instead of
assuming `go vet`, and says to strike the concurrency box deliberately where no
equivalent exists — a box that cannot be ticked teaches people to skip
checklists.

Refs #18
Bump-Type: minor
2026-08-29 14:10:10 +02:00
mathias c6787e04d7 feat(index): generate the skills table from frontmatter
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Second half of #29. The index was hand-maintained and had already drifted
once: dream and experiment-spec shipped with no row, their rows lost to a
squash-merge after a directory reorg. bin/check-index caught that after the
fact; generating removes the class.

The curated summary and trigger move into each SKILL.md as `summary:` and
`use_when:`, carried over verbatim from the existing table rather than derived
from `description:` — description is a paragraph written for model selection,
and truncating it would have produced a worse table than the one it replaced.
Knowledge now lives once, next to the skill it describes, which is the argument
that made a hand-maintained index the wrong shape to begin with.

The table is written between markers, so the wiring docs, the relationships
tree and the trigger table below it are untouched — those are prose, not data.
Rows are alphabetical now; the conceptual grouping the old order carried lives
in the relationships tree, which is the better place for it. A fourth column
shows each skill's surfaces, which is what makes #29's field visible rather
than merely enforced.

bin/check-index and its test are deleted: a generated table cannot drift in
either direction, so `generate-index --check` subsumes both of its assertions.
Verified by mutation — deleting the tdd row turns `task check` red with
"SKILLS_INDEX.md is out of date".

Closes #29
Bump-Type: minor
2026-08-29 11:23:14 +02:00
mathias 90a58f0b9e feat(skills): declare which surfaces each skill ships to
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The repo distributes three ways — the Claude Code plugin, the symlinked
library for Crush/Pi/OpenCode, and claude.ai, which has no fetch path at all —
and treated every skill as belonging to all of them. claude.ai is not a fourth
host to mirror: gitea-ci, playwright and web-shot have no shell and no cluster
there, so a flat mirror installs skills that can never fire and degrades
selection for the ones that can.

Every SKILL.md now carries `surfaces:`, defaulting to [claude-code, library];
dream, own-the-task and grill-me add `chat`, matching what is actually
installed on claude.ai today. Claude Code accepts the extra key —
`claude plugin validate` passes and the skills still load.

bin/check-surfaces validates values, not just presence, because the failure
mode here is silent: a wrong surface removes a skill from a harness rather than
erroring. install.sh links only skills whose surfaces include `library`, and a
source that declares nothing at all is treated as foreign and linked as-is —
Anthropic's official set has no reason to know this convention. doctor's
missing-link check skips non-library skills for the same reason.

Refs #29
Bump-Type: minor
2026-08-29 10:09:52 +02:00
mathiasandClaude Opus 5 56a947b2a0 refactor(plugin)!: ship as a Claude Code plugin, one dir link per harness
Skills move to skills/<name>/SKILL.md and the repo gains both manifests, so
it is now a marketplace hosting exactly one plugin whose root is the repo
root (source: "."). Claude Code installs it from git; no symlinks involved.

Why: install.sh wired the library into every consuming repo as an ABSOLUTE
symlink to $CHECKOUT_DIR. The checkout moved three times, most recently when
local-dev@1966d5a dropped the embedded .skills/ copy, and nothing migrated
the links — 243 dangling links across 12 repos, hidden from git by the
**/.claude/skills/ ignore rule. Worse, ~/dev spans two path roots
(/Users/mathias on the iCloud-shared Macs, /home/mathias on koala), so an
absolute link stored there is broken on one side by construction. Re-running
the installer cannot fix that; only removing the mechanism can.

install.sh keeps the harnesses with no plugin system and drops from 42 links
per harness to one directory link, via the convergent ~/.agents/skills
convention that Pi and OpenCode both read:

  ~/.agents/skills          -> $CHECKOUT_DIR/skills
  ~/.config/crush/skills    -> ~/.agents/skills
  ~/.config/opencode/skills -> ~/.agents/skills

wire_claude_repo is deleted outright rather than gated behind a flag — on a
mixed-root fleet it cannot be made correct. Antigravity and Vibe targets go
too; both unused. CHECKOUT_DIR keeps its host-local default deliberately:
pointing it into ~/dev would put a git working tree inside iCloud with two
concurrent writers.

Taskfile drops five near-identical wiring loops (they had already drifted)
and delegates to install.sh. `task check` gains frontmatter validation, a
stray-root-entry gate, and manifest/tag version parity — the loose
secret-hygiene.md sat unloadable for months because nothing checked layout.

Verified: claude plugin validate . passes clean; a probe skill loaded as
skills:zzprobe through --plugin-dir; task check green at 42 skills.

Refs: #23
Bump-Type: minor

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BeAp5LTscnz2W7Ubt4eJ6m
2026-08-23 14:29:51 +02:00