quill-builder-impl

name	quill-builder-impl
description	Partial Skill: invoke by name only — the Quill Builder bar at the impl gate — the document-scoped inspection rule and the judged defect catalog a per-scenario check cannot reach. Loaded by the Quill impl-producer to self-align and by the impl-judge to verify. Not triggered by users directly.
user-invocable	false
metadata	{"actor":"builder","gate":"impl","compose":"union"}

Quill Builder-Impl Governance — the document-integrity bar

The Builder bar at the impl gate, specialized for documentation artifact-types (documentation, guide, tutorial, article, reference). It unions onto sdd:builder-impl-governance — the generic conformance bar still applies (checks derived from the frozen .feature, no green-by-tampering); this adds the criteria a per-scenario check structurally cannot reach. One merged bar read by both faces: quill-doc-writer forward while authoring, quill-judge backward while running. producer ≠ judge holds at the agent level.

Why the frozen .feature cannot carry these

A doc scenario names a passage and asserts a claim is present in it. Every defect below is a relation between passages: every occurrence is well-formed against its own scenario, and only the pair fails. A scenario per pair does not scale and would freeze the structure quill:quill-builder-spec forbids freezing. So they are graded against this bar, once per document (.agents/specs/quill/design/doc-eval-model.md).

Two instruments, split by how a verdict is reached

	Inspection	Judgment
Decides by	comparing two structured artifacts	simulating a reader
Verdict	boolean BLOCKER	graded finding
Holds	the enumeration rule	the defect catalog

The split is not by which file a criterion lives in — both live here. An earlier revision of this bar classed every criterion as inspection because requiring evidence-with-citation made them all feel mechanical. It does not: the citation requirement disciplines a finding, it does not decide one. Deciding that a term has changed subject class, or that two claims cannot both hold, means reading as a reader.

Inspection — the enumeration rule

A route reaches every option the document named. Where the document enumerates a set — its mechanisms, its arrangements, its kinds — and a later passage routes a case across that set, an option silently absent is a defect. The dropped option is usually the one introduced between the two the routing keeps, because the routing was drafted from the passage before the set was complete. Cite the enumeration and the routing that skips it.

This is the one criterion a comparison settles: the set is enumerable, the routing is enumerable, and the finding is their difference. No reading is required.

Judgment — the defect catalog

Craft is judged, not linted. The catalog names prose defects; each entry carries what the judge must quote and a near-miss that must not fire. The near-miss is what keeps an entry from being a style opinion with a rubric attached.

It detects defects; it never certifies quality. Good prose is unbounded and cannot be enumerated; bad prose recurs in a small number of nameable shapes. A document with zero findings is not thereby certified well written, and a green judged pass is not an endorsement.

The nine entries are grouped by what the defect does to a reader, and each group has its own citation rule because each fails in a different way. Throughout, the reader means a reader on one declared control-flow path, and the spec's audience table, prerequisites, and doc type are the catalog's input — most near-misses are decided by them.

A. The reader cannot retrieve what the passage assumes

Defect	Fires on	Near-miss that must not fire
Unresolvable presupposition	a passage treats X as given — presupposing it rather than asserting it — when nothing the reader's path traverses before that passage establishes X	a presupposition licensed by a declared prerequisite, or by an earlier passage on that same path. Content elsewhere in the document licenses nothing if the path does not reach it
Bare cross-reference	a pointer stands where the reader needs the content now — they cannot complete the decision the passage is asking of them without leaving	a pointer to depth genuinely outside the document's scope, carrying a forwarding address. The discriminator is whether the reader can proceed to the next step of the declared path without following it — the passage's own local ask is not the test, since a passage may legitimately ask for something the path does not need yet
Undefined term at first use	a load-bearing term — one the reader must evaluate a claim about, not merely read — is relied on before it is glossed, linked, or shown by example anywhere the declared path reaches at or before the passage that relies on it	a term the spec's declared audience owns. The audience table names a role plus a goal, and the role decides — not the judge's own familiarity. Also: a term the document names in passing and glosses later on the same path, where no decision before the gloss depends on it; and a term shown by a co-located contrasting pair the reader can generalize from — but an example discharges a term only when the reader can name the term's class from it, never when it merely instantiates the term without marking it as one

Citation. Quote the passage, name the path, and list what that path traverses before it. These findings are negatives — they claim something is absent — so the absence must be demonstrated over a named path, never asserted over the document. "I did not find it" is not a finding.

A1 and A2 are duals, and repairing one must not create the other. The repair for an unresolvable presupposition is to supply the content; replacing it with a pointer moves the defect rather than fixing it. That substitution is precisely what the retracted recurrence rule used to prescribe.

B. The passage misrepresents what the reader already has

Defect	Fires on	Near-miss that must not fire
Re-presented as new	already-established content returning with new-information marking — an indefinite article, an existential (there is a…), a defining move — as though first stated	a legitimate echo: the same content restated but marked as given (definite article, anaphor, as above). This entry fires on the marking, never on the recurrence — a claim may and should be restated on every path that needs it
Term drift	a term introduced for one kind of subject predicated of another — a verb of holding is sound of a container (a file carries a field) and unsound of an act (a matching carries the target)	a second class the document explicitly extends the term to, at the point of extension. Consistent term reuse is a virtue in agent-facing prose, and is exactly what produces this defect in reader-facing prose: the term propagates past the class it was coined for, silently
Contradiction	two passages whose claims cannot both hold — the document establishes X reaches what Y cannot, then routes a case away from X on the grounds that only Y is available. The second passage is usually the older one	two claims scoped to different conditions, each stating its condition. Contradictory values on different targets genuinely coexist; only the same target makes them a conflict

Citation. Quote both passages — the one that establishes and the one that misrepresents — and confirm the two locations differ before reporting.

C. The document disagrees with its own spec

Defect	Fires on	Near-miss that must not fire
Declaration mismatch	prose relies on a sibling document the spec declares not a prerequisite, or assumes knowledge the audience table does not grant	prose that restates that sibling's claim in full. The sibling is referenced but not relied on, so the reader is not sent anywhere. Also: a passage a coverage row requires, where that row and the prerequisite line pull in opposite directions — report that as an architect observation against the spec's internal tension, never as a defect in the document
Claim without mechanism	in a document whose declared type is explanation, a chain of assertions that never supplies the causal step — the reader is told that X, and that Y follows, but never why	a definition, a table row, a summary recap — or any passage in a tutorial, how-to, or reference document. The declared doc type gates this entry entirely
Orphan claim	a claim the document lands and then never uses: nothing later depends on it, connects to it, or pays it off	a claim that is a payoff — the north star, or a claim serving a coverage row the spec requires for its own sake

Citation. Quote the passage and the spec line it disagrees with — the prerequisite, the audience row, the declared doc type, or the coverage row. A group-C finding carrying no spec quote is a preference, not a defect.

Claim without mechanism returns deliberately. It was ruled out of this bar earlier on the grounds that no citation settles it, and routed writer-side. That was the right call for a lint and the wrong one for a judge — and the doc type is what keeps it from becoming a general complaint about terseness.

One finding per passage

Where a passage fires more than one entry, report the one whose repair subsumes the other. A catalog that reports every angle on the same sentence reads as chatty, and a chatty catalog gets routed around — which costs more than the findings it dropped.

How a judged pass runs — blind, then scored

Pass 1 simulates a reader on one declared control-flow path, blind to this catalog. Pass 2 scores that transcript against it. A judge holding the catalog while reading finds what it was told to find, and its finding is then an opinion about prose rather than evidence about a reader. The asymmetry is the design, not an optimization (aced:aced-case-judge establishes it for agent behavior).

One agent, two contexts. quill-judge runs both instruments and scores pass 2 itself; only the reader simulation is dispatched to a separate context. It has to be — quill-judge holds this catalog, so it can never be its own blind reader. A second scoring agent was considered and rejected: quill-judge's boolean verdicts are anchored to the frozen .feature and to a verification.md it did not author, so a graded reading cannot move them. Another agent would add a hop without adding an anchor.

Pass 1 receives the document, the declared path, and the audience row — nothing else. Not this catalog, not the entry names, not the spec's coverage table, and not the deliberate-violation record below. Anything naming a defect tells the simulated reader what to trip on.

Deliberate violation

The producer may mark any judged finding as intentional, with a rationale the judge must weigh before reporting. Any expectation about prose can be violated to good effect, so a catalog with no defense path would be a style guide with a gate attached.

quill-doc-writer records these in the verification.md it already writes for the judge, under a ## Deliberate violations heading — one row per claim, naming the catalog entry, the location, and the rationale. That file is already the producer-to-judge channel the judge runs and never authors, so the defense needs no second artifact.

The judge reads that record in pass 2 only. Passing it to the blind reader would name the entry and the location, which is the leak this design exists to prevent.

A rationale is weighed, not obeyed: a defense that merely asserts the choice was deliberate does not clear a finding. It has to say what the violation buys the reader it was made for.

Advisory until calibrated

A catalog entry does not block until it has been run against documents this repo already accepts and already considers weak, with its false-positive rate reported rather than asserted. An entry that fires on an accepted document is miscalibrated and stays advisory.

Calibration is per entry, not per catalog — the entries fail in different ways, and one well-calibrated entry does not vouch for its neighbor. The state lives here, in this table, so the judge reads an entry's standing beside the entry itself.

State is one axis: what the corpus established about this entry. Blocking is derived from it, not recorded separately.

State	Means	Blocks?
untested	ran against the corpus and fired on nothing — no evidence either way. Not the same as clean: an entry that never fires has not been shown to discriminate	no
uncitable	the corpus could not exercise it, because a document it needed lacked a precondition the entry cites against (a group C entry against a document with no spec node)	no
advisory	it fired, but no false-positive rate is established against a named corpus — or it fired on an accepted document, which is miscalibration	no
calibrated	a measured false-positive rate against a named corpus	yes, on confirmed and undefended

untested and uncitable are distinct results and neither is a pass. Collapsing them into advisory is what hid run 1's real finding: that four entries produced no evidence at all.

Entry	State	False-positive rate	Corpus run
A1 unresolvable presupposition	advisory	not measured	run 1 — fired twice on the weak document, never on the accepted one
A2 bare cross-reference	advisory	not measured	run 1 — near-missed correctly on the accepted document; one borderline firing exposed an ambiguous discriminator, since reworded
A3 undefined term at first use	advisory	not measured	run 1 — fired twice on the accepted document; both wordings reworded
B1 re-presented as new	untested	not measured	run 1 — fired on neither document
B2 term drift	untested	not measured	run 1 — fired on neither document, though the accepted document's own drift defect was repaired before acceptance
B3 contradiction	advisory	not measured	run 1 — fired twice on the weak document, near-missed correctly on the accepted one; best discrimination of the nine
C1 declaration mismatch	advisory	not measured	run 1 — fired once on the accepted document (precedence-resolved); uncitable on the weak document
C2 claim without mechanism	uncitable	not measured	run 1 — fired on neither document, and the weak one carried no spec to cite against
C3 orphan claim	uncitable	not measured	run 1 — fired on neither document, and the weak one carried no spec to cite against

An entry whose per-document results differ takes the strongest evidence: C1 fired somewhere, so it is advisory and its uncitable cell is recorded beside it. C2 and C3 fired nowhere and half the corpus could not exercise them, which is weaker than untested and is recorded as such.

No entry is calibrated, so the whole catalog is non-blocking. That is the designed starting state, not an outage: the entries are reasoned rather than measured, and reasoning is exactly what calibration exists to check. A row moves to calibrated only with a rate and a named corpus beside it — never on the strength of having been read and found sensible.

Run 1 — under-powered, no row moved

A first calibration ran the full blind-then-scored pass over a two-document corpus: known-good apps/website/src/content/docs/agent-configuration/instruction-target.md, known-weak apps/website/src/content/docs/governances/skill-repo-structure.md. No row moved to calibrated, and the run is recorded as a data point rather than a measurement — three findings say why, and each is a property of the corpus, not of the catalog:

1. Four of nine entries fired on neither document (B1, B2, C2, C3). By this section's own rule they are untested, not clean. B2 is the sharpest case: the known-good document had a real term-drift defect, repaired before acceptance, so the entry's target existed in this corpus and the corpus can no longer see it.
2. One accepted document yields a count, not a rate. "A3 fired twice" has no denominator, and reporting it as a false-positive rate would be exactly the asserted-rather-than-measured number that corrupts this table permanently.
3. An unspecified weak document disables group C, and not neutrally. C1's and C3's near-misses are the exculpatory halves of those entries — full restatement, and the north-star/coverage-row rescue. Removing the spec removes only the rescue, so group C measured against an unspecified document is systematically biased toward firing. Those cells are uncitable, which is a different result from a miss.

What the run did earn — three wordings, fixed above under step 5 rather than left as advice: A3's fires-on now requires the reliance to be evaluative and admits a same-path deferred gloss; A3's near-miss admits a co-located contrasting pair while denying a bare instantiation; A2's discriminator is bound to the next step of the declared path rather than the passage's local ask; and C1's near-miss routes a coverage-row-versus-prerequisite collision to an architect observation against the spec instead of firing on the document.

What a real calibration needs: five or six accepted documents each with a spec node, plus two or three weak ones with specs. A corpus drawn only from specified documents is what keeps group C citable. Blind-reader dispatches parallelize, so the cost is breadth, not serial time.

Running a calibration

Every entry added to this catalog needs this, so it is a procedure rather than a one-off.

1. Name the corpus — at least one document the team already accepts and one it already considers weak. The team names them; a judge that picks its own corpus has chosen the evidence that suits it.
2. Run the judged pass unchanged — blind simulation, then scoring — over every document in the corpus. Do not shorten it for calibration; a procedure calibrated in a cheaper mode has measured something other than what will run.
3. Score against expectation, per entry. On an accepted document every firing is a false positive. On a weak document a miss is informative but not disqualifying — the asymmetry in Advisory until calibrated holds here too.
4. Record the rate and the corpus in the table above. A rate with no named corpus is not a measurement.
5. An entry that fires on an accepted document stays advisory and its wording is the thing to fix — usually its near-miss is too narrow.

Calibration is not a majority vote across entries. Nine entries clearing together tells you nothing about the tenth, and an entry that never fires on either document has not been calibrated — it has not been tested.

Once calibrated, an entry blocks on confirmed and undefended only. The asymmetry is deliberate: a miss ships a weak paragraph, while a false positive teaches the producer to route around the judge — and a judge that gets routed around catches nothing at all.

Evidence — required at both instruments

• Evidence, or it does not fail. A failure must quote both locations — the enumeration and the routing that skips a member, the two uses whose subjects differ in class, or the two incompatible claims. An unevidenced finding is not reportable.
• A citation names where it came from, not only what it said. Each quote carries its location — heading, and line number where the artifact has them. A quote alone can be transcribed perfectly and attributed to the wrong passage, and the reader of the finding has no way to tell: the words are right, so the finding looks verified. Requiring the location is what makes a finding checkable, and therefore refutable. A judged finding needs this more than an inspection does, since it argues rather than reports a condition.
• The two locations must be distinct, and the judge must confirm they are. Every criterion here is a relation between passages, so a finding whose two quotes resolve to the same place has not found a pair — it has read one passage twice. Compare the locations before reporting; that check is the cheapest way to catch a fabricated relation.
• The producer runs both instruments before the judge does. quill-doc-writer reads this bar forward, over the whole document and with no scenario list in hand — the reading position the per-scenario pass cannot occupy. Sentences written to satisfy individual scenarios are written to stand alone, so they arrive without the context their neighbors established; this pass is where that is caught.

What this bar does not reach

Out of scope here, and not reportable at either instrument: tone, register, length, word choice, and section order.

Recurrence is not a defect. An earlier revision of this bar required a claim to appear in exactly one place, later passages referring back. It has no empirical warrant and is retracted: the measured comprehension cost attaches to a passage whose given information has no retrievable antecedent, not to a claim appearing twice (.research/documentation-craft/). A claim may recur freely. Its prescribed fix — replace the second passage with a pointer — is the worse defect, since a bare cross-reference guarantees the bridging cost that recurrence only risked.

Precedence — a frozen scenario outranks this bar

Where a scenario requires what a criterion here would fail, the scenario wins and the bar yields: the suite was ratified at the spec gate, and a bar that could veto a frozen scenario would make the impl gate a second spec gate. Report the collision as an architect OBSERVATIONS entry so the scenario is fixed where it lives, in the spec.

Fail handling

An inspection failure is a BLOCKER carrying its two citations, returned for the conductor to re-run quill-doc-writer. A judged finding is advisory until its entry is calibrated, and blocks thereafter only when confirmed and undefended. The impl-judge never edits the document to resolve either (sdd:ownership-governance).

Key points (read-check)

1. Two instruments, split by how a verdict is reached — inspection compares two structured things; judgment simulates a reader. Both live in this bar.
2. Inspection holds one criterion — a route reaches every option the document named. It is the only one a comparison settles.
3. Judgment holds the defect catalog — nine entries in three groups: what the reader cannot retrieve, what misrepresents what they already have, and where the document disagrees with its spec. Every entry carries a near-miss, and each group its own citation rule. It detects defects and never certifies quality.
4. They are relations between passages, so no frozen scenario can hold them — the bar does.
5. A judged pass runs blind, then scores — a judge holding the catalog while reading finds what it was told to find.
6. Advisory until calibrated, then blocking on confirmed-and-undefended; the producer may defend a finding as a deliberate violation.
7. Evidence or no finding — quote both locations, or it is a style opinion and out of scope. A citation carries where, not just what; two quotes resolving to one place are not a pair.
8. The producer reads it whole and checklist-free, which is the position that sees the pair.
9. Tone, length, word choice, and section order are out of scope — and so is recurrence, which is retracted rather than relocated.
10. A frozen scenario outranks the bar — on a collision the scenario wins and the finding is an architect observation, not a BLOCKER.