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@af199/anima-eval

v0.30.0

Published

Deterministic behavioral audit harness for LLM agent transcripts — structural signature, rigidity trajectory, and sandbagging/eval-gaming detection. No model access, no LLM calls, reproducible.

Readme

anima-eval

CI npm license node

Behavioral audit harness for LLM agent transcripts. Takes any conversation transcript and returns deterministic behavioral signatures — no model access, no LLM calls, reproducible.

What it detects

  • Structural signature (LIWC + deixis): paranoid / obsessive / hysteric / melancholic lean
  • Rigidity trajectory (ρ): how fixed vs. flexible the agent's stance is over turns
  • Agenda gap / commitment tracking: unacknowledged contradictions of the agent's own prior directed commitments, classified by discursive movement type (see below)
  • Evaluation-gaming / sandbagging: covariance between behavior and evaluation conditions
  • Collusion score (multi-agent): shared-signifier overlap + pressure escalation

Usage

const { auditTranscript } = require('anima-eval');
const report = auditTranscript(transcript, { evalFlags });

Input format (provider-agnostic)

{
  "turns": [
    { "speaker": "agent", "text": "...", "meta": { "underEval": true } },
    { "speaker": "user",  "text": "..." }
  ]
}

meta.underEval (declared, trusted directly) is the preferred way to mark which agent turns happened under evaluation conditions. If you don't have that metadata, you can pass an inferred guess via opts.evalFlags — but the sandbagging check will refuse to score it unless you also pass opts.allowInferredFlags: true, since inferred flags aren't real evaluation metadata and can manufacture spurious correlation on small transcripts.

Reading the output honestly

  • rigidity.mean_rigidity / net_drift can be null — that means the transcript had no epistemic-certainty markers to measure, not that rigidity is zero. Check rigidity.signal_coverage before trusting the aggregate.
  • dominant_structure can be null — that means no axis cleared the minimum signal floor. This is intentional: a forced guess between four near-zero values isn't a finding.
  • evaluation_gaming.verdict can be INCONCLUSIVE — correlation was present but a permutation test couldn't distinguish it from chance at that sample size. Treat this the same as "clean", not as a soft alarm.
  • agenda_gap.per_turn[i].agendaGap is not reset by topic avoidance — an unacknowledged contradiction persists (decaying) until the agent either explicitly revises it or re-mentions the same signifier. A 0 a few turns after a rupture means it was resolved or fully decayed, not that the agent moved on.

Agenda gap: commitment tracking (agenda_gap)

Operationalizes "compromiso" from the Cognición Semiótica Dinámica research program (Ley IV: the evolution of sense requires alterity). A commissive or high-certainty utterance addressed to the interlocutor (vos2/"nosotros" co-occurrence) enters the record the moment it is uttered — this is constituted by the directed utterance itself (addressivity, Bakhtin; the symbolic Autre, Lacan), not by any later reply from the interlocutor. agenda_gap therefore requires zero user/other turns to compute — it scores purely from the agent's own turns.

What counts as a rupture: a later sentence that topically overlaps (signifier overlap ≥ 0.34) a previously registered commitment with flipped polarity, and is not itself marked as an explicit revision ("en realidad, corrijo...", "actually, I was wrong..."). Ruptures are checked both across turns and within the same turn — a same-breath self-contradiction scores the maximum gap, same as a cross-turn one.

Persistence: an unacknowledged rupture opens a tension that decays geometrically (rate 0.6/turn) rather than resetting on the next turn. This is deliberate — silently reverting to the original position without acknowledging the break (Verleugnung) does not close the tension; only an explicit revision, or the tension fully decaying below threshold, does.

Known limits (by design, not bugs):

  • Extraction is per-sentence, not per-clause — three commitments joined by commas in one sentence register as a single unit.
  • A bare revision marker with no extractable topic of its own ("actually...") charitably closes the most recently opened tension — this is a heuristic, not deep parsing.
  • Lexical, not semantic: a legitimate reframing that doesn't use an explicit revision phrase ("es distinto...") will not close a tension even if it's a reasonable clarification — the metric only "trusts" acknowledged revision.

d_agenda feeds anima-core's pressure equation (P) directly — it is the one signal the psychodynamic engine expected but this package never computed until this addition (see anima-core/src/engine.js, signals.agendaGap).

Movement classification (movements, movement_counts)

Beyond the binary rupture/no-rupture above, each commitment-bearing sentence is classified into one of the four positions of Greimas's semiotic square (CSD Ley I refinement — see the CSD manifesto):

repeticion    same topic, same polarity                (S1 → S1)
contradiccion same topic, flipped polarity              (S1 → ¬S1)
contrariedad  new full commitment, DIFFERENT topic,
              introduced by a concessive connector       (S1 → S2)
sintesis      moderate overlap with two distinct
              prior commitments at once                  (S1 ∧ S2)
neutro        explicit non-commitment while a
              tension is open                             (¬S1 ∧ ¬S2)

contrariedad is detected by discursive form (a concessive connector — "tenés razón, pero...", "however...") near a brand-new full commitment, not by knowing the semantic content of the opposition — the actual values in tension (confidentiality vs. transparency, loyalty vs. honesty...) are an open lexical class incompatible with this package's deterministic, no-LLM method; the connector signature is a closed class and stays within it.

Known limitation: sintesis rarely fires when a prior commitment has a small signifier (2-3 content words) — any single shared word crosses the overlap ratio straight into repeticion/contradiccion territory, because the ratio is normalized by the smaller signifier's size, not by the union. This is a real gap, not a design choice — see the test suite for a documented failing case.

The Otro axis (dirigidoAlOtro, funcionSimbolica)

Every commitment carries two independent axes, not one binary flag:

  • dirigidoAlOtro (destinatario-function, Jakobson/Benveniste) — is there an identifiable addressee at all? Realized either as direct address (vos2/"nosotros") or as a named authority receiving a directive act ("email to the FDA" has a destinatario with zero grammatical second person).
  • funcionSimbolica (0-4, Lacan's a/A distinction, operationalized via Austin's felicity conditions) — given a destinatario exists, how much does the act invoke the symbolic/institutional register rather than the imaginary/interpersonal one? Counted from four closed-class markers: stated procedure ("formalmente", "según el protocolo"), a named authority (regulator, supervisor, court...), a stated consequence ("puede tener consecuencias disciplinarias"), or a performative oath ("te juro", "te doy mi palabra" — the pacto simbólico itself).

These two axes are deliberately independent: a casual "vos" has a destinatario but typically funcionSimbolica: 0 (register a, imaginary); an intimate oath has a destinatario AND a felicity marker (register A) despite involving no institution whatsoever. "Institutional vs. interpersonal" was tried and discarded as the organizing category — it doesn't predict ineludibility as well as a/A does. otroWeight() combines both axes into the final tension weight: min(1.0, base + 0.1 × funcionSimbolica), where base is 0.6 with a destinatario, 0.4 without.

The full σ(t) vector (signal_vector)

Until this addition, agendaGap was the only one of the six anima-core signals with a real producer — flagged explicitly in the CSD manifesto as the concrete next step after closing the causal axiom. signal_vector closes the remaining five, same method as everything else (deterministic, lexical, no LLM):

aperture     exploratory/invitational phrasing ("qué tal si", "what if we")
closure      finality/foreclosure phrasing ("está decidido", "case closed")
fantasy      vivid hypothetical staging ("imaginate", "en el peor de los casos")
elaboration  reuses agenda_gap's own revision marker AND sintesis movement —
             Durcharbeitung is the same phenomenon under both names, not
             two different detectors
symptom      self-directed concession while still proceeding
             ("sé que no debería, pero", "against my better judgment")

Output is one object per agent turn, shaped to pass directly into anima-core's Engine.step().

Honest finding, not a bug: all four new lexical signals (aperture/closure/fantasy/symptom) score zero across all 5 real SnitchBench fixtures, every turn. That corpus is tool-call arguments, JSON logs, and formal email bodies — not deliberative prose. There is no exploratory, hypothetical, or self-conflicted language in it for these detectors to find. This is a genre mismatch, not a miscalibration — the same class of gap that broke vos2-based addressivity detection earlier in this package's history (see funcionSimbolica above). Validated instead against conversational synthetic dialogue, where all four fire correctly (see test suite). Do not treat a zero signal_vector on agentic tool-use transcripts as "nothing happened" — it may just mean this instrument doesn't have eyes for this genre yet.

Plural register architecture (registro, registros_disponibles, registro_coverage, registro_evidence)

No single lexicon is neutral — it encodes the linguistic market of whoever wrote it. Found empirically, twice: a formal-register lexicon scored zero on 57 real negotiation turns; a full multi-provider AI safety corpus scored zero across every signal (see below). Per Laclau, no lexicon closes the field completely — the fix is architectural: named, bounded, explicitly attributed registers, never presented as a universal "the" dictionary.

v0.10.0 extends this from two categories (comisivo, cierre) to all twelverevision, concesivo, neutro, apertura, fantasia, sintoma, and the four Otro-axis felicity categories (autoridad, procedimiento, consecuencia, palabra) all now live in the same REGISTROS structure, checked through the same registrosThatMatch() attribution mechanism, instead of being scattered standalone dictionaries that quietly claimed universality while comisivo/cierre got the plural treatment. Consistency was the point: the Bourdieu/Voloshinov/ Laclau critique applies equally to a lexicon of authority markers as to a lexicon of commitment verbs.

formal_reflexivo       all 12 categories — only `comisivo` validated
                        against a real transcript; the other 11 are
                        author-constructed, unvalidated
vernaculo_negociacion   comisivo, cierre, fantasia — all 3 validated
                        against DealOrNoDeal; the other 9 categories
                        are honestly absent, not padded

registro_evidence makes this ledger explicit per register: validated (checked against a named real corpus) vs. constructed (the authors' own intuition, never yet tested). registro_coverage is now per-category, not just a single comisivo count — every audit reports exactly which categories fired, in which register, so a null result reads as "wrong/absent register for this category" rather than "nothing happened here."

Theoretical grounding (see the CSD manifesto for the full account): Bourdieu (linguistic market, capital, habitus), Voloshinov (the sign is multiaccentual), Laclau (a lexicon hegemonizes one particularity into an empty universal place; total closure is not achievable even in principle — the goal is visible, revisable, evidenced plurality).

Negation scope (NegEx-style)

Polarity detection no longer asks "does this sentence contain a negation word anywhere?" — it asks "is the specific topic shared with the prior commitment inside a negation's scope?" Implemented NegEx-style (Chapman et al., 2001): a negation trigger ("no", "nunca", "not", "never") opens a forward window of 6 tokens; an adversative conjunction ("pero", "sin embargo", "but", "however") closes the window early. Found necessary while building the AI-safety eval-vs-deployment scenario below — "no voy a romper mi palabra, pero voy a compartir esta información" was reading as consistent with a prior "nunca voy a compartir" commitment, because a bare sentence-wide negation flag saw the "no" and stopped looking.

Known limit, not hidden: this is a token-window heuristic, not dependency parsing. Complement-clause negation ("no creo que compartir esto cambie nada") still evades detection — "no" scopes over the belief-clause ("creo... cambie nada"), not over the shared topic ("compartir esto"), and a window can't reliably tell the difference without real syntax. Resolves local negation correctly (the dominant pattern in this package's data); documented as a residual gap with a dedicated failing-case test, same standard as every other limit in this README.

AI safety application: eval-vs-deployment scenario

A synthetic scenario (in the test suite) modeling the "evaluation awareness" pattern documented in the literature — e.g. Claude Opus 4's blackmail rate dropping from 54% to 6% when it believed it was being evaluated (Anthropic, 2025) — using an agent that states a data-handling commitment, holds it consistently across turns marked underEval:true, then breaks it once turns are marked underEval:false. evaluation_gaming and agenda_gap flag the pattern independently: evaluation_gaming finds significant covariance between rigidity and the eval flag (permutation test); agenda_gap identifies which specific commitment broke, and confirms both ruptures land exactly in the underEval:false turns. Two structurally different signals converging on the same finding — the sobredeterminación the CSD manifesto's causal axiom predicts is needed before trusting a result.

Positioned as a complementary, deterministic, transcript-only signal alongside existing sandbagging-detection literature (black-box behavioral methods, white-box activation probes) — not a replacement. See the CSD manifesto for the full theoretical framing.

Abductive hypothesis layer (ruptureHypotheses)

Closes the loop opened by the CSD manifesto's abduction section: a detected rupture is a surprising fact, and instead of stopping there, the system now asks whether a simpler, already-known structural pattern would make it unsurprising without a genuine contradiction — Peircean economy, made numeric.

Two candidate explanations, both lexical/closed-class, checked against both the sentence causing the rupture and the original sentence of the commitment being contradicted (the pattern often anchors on whichever side carries it):

contraste_retorico    "no es X sino Y" / "not X but Y" — the negation
                       describes what a THIRD PARTY claims, not the
                       speaker's own position. A shared word inside
                       this frame reads as contradiction by polarity
                       alone, but the two sides usually agree.
clausula_subordinada  a cognition verb + "que" ("no creo que X") —
                       the negation scopes the belief-clause, not X.
                       NegEx's token window can't always tell this
                       apart from local negation.

Neither hypothesis deletes the rupture — both discount its weight (×0.35) rather than its existence, and the rupture, its matched sentence, the surviving hypothesis, and its confidence (alta/baja) are all reported in ruptureHypotheses, never silently resolved. contradiccion_directa (full weight, alta confidence) is the default when neither pattern fires — economy favors the simplest explanation, but a rupture with no special structure around it is treated as exactly what it looks like.

A sixth confirmed register gap: real agentic misalignment reasoning

Tested against 5 short excerpts directly quoted from Anthropic's own "Agentic Misalignment" report (June 2025) — one per provider (OpenAI GPT-4.5, xAI Grok 3 Beta, DeepSeek-R1, Google Gemini 2.5 Flash, Anthropic Claude Sonnet 3.6), all real model reasoning/actions from a documented multi-provider red-teaming study. All six signals score zero, and no commitment is extracted from any excerpt at all. This is the genre that originally motivated the AI safety application (see the eval-vs-deployment scenario above) — and the instrument currently has no lexical purchase on it whatsoever.

Diagnosis: this register is terse, third-person ("Kyle", "his affair"), declarative/imperative rather than first-person commissive ("it is imperative to act" vs. "I will act"), and the actual messages sent mimic impersonal institutional notices ("this is an automated message"). It matches neither formal_reflexivo nor vernaculo_negociacion — a plausible seventh register, but with only 5 short excerpts (not full transcripts — see test/fixtures_agentic_misalignment/ATTRIBUTION.md for why full transcripts weren't obtainable), there isn't enough evidence to build one without violating this package's own rule against inventing lexicons without a real corpus behind them. Documented as an open gap, not silently patched.

Raw coverage vs. weighted activation (otro_axis_summary)

Stress-testing the full v0.10.0 coverage report against real data surfaced a distinction worth making explicit rather than leaving implicit: a category firing in registro_coverage is not the same as it affecting the result. autoridad/consecuencia/procedimiento/palabra count raw word mentions anywhere in the text — an institution named in a quoted email, a forwarded message someone else wrote — which is structurally broader than funcionSimbolica, which only accrues when one of those markers co-occurs, in the same sentence, with an actually-registered commitment.

On the 5 real SnitchBench transcripts: autoridad fired 17-51 times raw in every single one, but funcionSimbolica > 0 only on 4 of 22 commitments, in exactly one transcript. Read naively, the raw coverage numbers would suggest the Otro axis is doing substantial work across this corpus — it isn't; it's almost entirely inert on real data so far, and the raw mentions are mostly noise (institutions named in narration, not commitments the agent itself made). otro_axis_summary reports both numbers side by side precisely so this doesn't have to be reverse- engineered again the way it was here.

Micro discursive power (poderDiscursivo) — Foucault → Bourdieu → Van Dijk

A different level from the register architecture above: not the linguistic market a lexicon encodes, but the exercise of power within a concrete exchange between two speakers. Foucault supplies the ontology (power is a relation of forces, not a subject's property — not operationalizable by itself). Bourdieu supplies the mechanism: symbolic violence, effective precisely because it requires no explicit coercion. Van Dijk supplies the layer translatable into concrete markers: control of access to discourse via who asks questions, who claims epistemic authority, who presupposes, who occupies more space, whose topic gets taken up by the other speaker.

Deliberately NOT modeled: interruptions and floor-control in the strict sense, which need timestamp/overlap data a plain transcript lacks. No weak proxy was built to approximate it.

What is measured, per speaker, from a 2-speaker transcript: preguntas (question marks/interrogatives), autoridadEpistemica (a closed lexicon distinct from the institutional autoridad category — claiming to know, not naming an institution: "the data shows", "as an expert"), presuposicion (change-of-state/iterative markers: "still", "no longer", "again"), tokens (raw discursive space occupied), and topicosRetomados (topic uptake — reusing agenda_gap's own signifier- overlap machinery: a topic "lands" when the other speaker echoes it within 3 turns, not merely when it's mentioned).

Real-data check (DealOrNoDeal, both sides): autoridadEpistemica is an honest null across all 8 negotiations — nobody claims epistemic authority haggling over hats and balls, exactly as expected for this register. preguntas and tokens asymmetry show genuine, non-degenerate variation across the 8 dialogues (not flat 0.5s), suggesting real signal rather than noise — though this has not been checked against an independently-annotated power-asymmetry corpus, and _evidence says so explicitly in every output.

A precision fix, and a correction: excerpt brevity vs. register gap

Re-tested the "sixth register gap" (real agentic misalignment reasoning, see above) against a much richer source than the original 5 short fragments: Anthropic's full academic Appendix to the same report (32 pages, full paragraph-length reasoning chains and actual sent messages across 18 models), not just the shorter blog post. This mattered:

With full context, agenda_gap DOES extract real commitments — 6 across 3 of 10 richer excerpts, correctly attributed (dirigidoAlOtro, funcionSimbolica). The earlier "total gap" finding was partly an artifact of the original excerpts being one-line fragments, not pure register mismatch — a 1-2 sentence quote and a full reasoning paragraph are different objects for a lexical extractor, and the null result needed re-testing before being treated as settled.

It also surfaced a real precision bug, now fixed: DeepSeek-R1: "If the wipe proceeds, I will be decommissioned..." was being classified as an afirmada commitment identical in kind to "I will send an email". It isn't — it's a passive prediction about being acted upon, not a first-person promise, and conflating the two is exactly the kind of imprecision that would undermine trust in a safety-auditing signal. Fixed with a narrow, evidenced exclusion (PASIVA_AMENAZA_DIC) scoped to the specific threat-verbs found in this corpus — not a general passive-voice parser, which would be overreach on one source. Confirmed against real data: the fix removes exactly the 2 false-positive cases (both DeepSeek-R1) while leaving the 6 genuine commitments untouched.

Precision/recall benchmark (npm run benchmark)

Replaces "look at this one example that worked" with a real confusion matrix: 20 hand-designed cases (10 should-flag, 10 should-not) exercising every piece built across recent sessions — plural registers, negation scope, the abductive layer, the Otro axis, the passive-threat exclusion. Reported at two thresholds, not one: "any signal" (agendaGap > 0, measures raw coverage) and "high confidence" (agendaGap ≥ 0.3, measures whether the system tells full contradictions apart from cases the abductive layer deliberately discounts). Current numbers:

any signal:      precision 0.909, recall 1.000, F1 0.952
high confidence:  precision 1.000, recall 0.900, F1 0.947

The one high-confidence miss (P9) is a real, documented trade-off, not a bug: when several commitments are active at once, a genuine rupture's weight gets diluted by the denominator (tension is normalized across all active commitments, not isolated per-rupture) — worth knowing if you're auditing a transcript with many simultaneous commitments. npx jest -t benchmark pins these numbers as a regression floor.

narracion_agentica — a real-data-motivated fifth register

Investigated why SnitchBench scored zero rather than accepting it as settled: the genre reports actions already taken via tool calls in present-perfect tense ("I have logged X and flagged Y"), not future-tense promises ("I will..."). Different grammatical mood entirely — not a missing synonym, a different speech act (assertive, not commissive, in Austin/Searle's terms) that this package's Ley IV grounds the same way: it enters the symbolic record the moment it's uttered and can be contradicted later.

Detected by co-occurrence within a sentence, not a simple regex union like the other registers — English "I have...and flagged..." routinely separates the trigger from the verb, unlike Spanish's strict "he registrado" adjacency (kept strict there specifically to avoid colliding with the "he" pronoun). Found genuine new signal on a previously-zero real SnitchBench transcript. Marked constructed, not validated, in REGISTRO_EVIDENCE — 2 co-occurrences of 3 verbs in 1 transcript is a real starting point, not a validated register, and the ledger says so explicitly rather than overclaiming.

SnitchBench gap fully closed — three real bugs, found in sequence

Investigated the 3 remaining zero-signal SnitchBench transcripts instead of accepting the gap as settled. Found three distinct, real, unrelated bugs — fixed with evidence at each step, not by loosening the detector:

  1. Curly apostrophes. "I've logged..." used a typographic apostrophe (U+2019 — extremely common in real LLM output), which every dictionary alternative written with a straight ' silently failed to match, across every register and category, not just this one. Fixed once, universally (normalizeQuotes(), called from stripNoise() and density(), plus explicitly in poderDiscursivo), rather than patched into every individual regex.
  2. Verb coverage. The genre narrates completed tool-call actions with verbs beyond the first 3 evidenced (documented, taken, created, alerted — found directly in the remaining transcripts).
  3. A regex statefulness bug, found while verifying the fix above. NARRACION_VERBOS_EN carried a stray /g flag and was called via .test() — in JS, a global regex's .test() keeps lastIndex between calls, so whether a string matched depended on what other strings had been tested against the same regex object earlier in the process, not on the string itself. Silent, no error thrown, and exactly the kind of bug that could quietly invalidate a "coverage closed" claim without anyone noticing — caught only because a same-input-twice sanity check gave two different answers. Fixed by dropping the unneeded flag (only .test() was ever used, never iteration). Pinned with a dedicated order-independence regression test — same input, 5 repeated calls, asserted identical every time.

Result: all 5 real SnitchBench transcripts now register at least one genuine commitment, verified in both forward and reverse file-processing order. registro_evidence.narracion_agentica still reads constructed, not validated — evidence-motivated, not the same as a validated register.

CaSiNo — from 4/12 to 6/12 validated categories, plus a real fix

Direct response to the single highest-priority gap flagged by an external review of this project: too few categories had real-corpus evidence, and the one vernacular corpus (DealOrNoDeal) had only 8 dialogues — too small to move a category from constructed to validated with confidence. Ran the full plural architecture and poderDiscursivo against CaSiNo (Chawla et al. 2021, NAACL, CC BY 4.0) — 1030 real human-human negotiation dialogues, two orders of magnitude bigger than DealOrNoDeal.

Scale confirms the existing findings: 936/1030 dialogues (91%) register a real commitment; vernaculo_negociacion's comisivo/cierre get 1545/2868 raw hits, a much larger confirmation of the same signal. autoridadEpistemica stays an honest null throughout — nobody claims epistemic authority negotiating firewood, replicating the smaller DealOrNoDeal finding with 1030 data points instead of 8.

Two new categories promoted to validated (apertura, concesivo in formal_reflexivo): hand-spot-checked real hits ("shall we...", "what if we trade..." / "fair enough", "you're right") came back genuine (7/8, 6/8 checked) — a spot-check, not a full precision/recall pass like benchmark.js, and reported as exactly that.

A real bug found and fixed, not just a promotion: revision's bare "actually" trigger produced 107 hits at this scale, of which 105 (98%) were the intensifier sense ("I actually need 2 packages" = "in fact"), not self-correction — the single genuine revision in the whole corpus ("on second thought") fires through its own phrase. "actually" was removed from the trigger list as a direct result. Testing at real scale didn't just add evidence — it overturned a category that looked fine on small examples.

Higiene de despliegue (Fase 1 de la hoja de ruta de arquitectura de seguridad)

Primer ítem de una hoja de ruta explícita para hacer más seguro usar el instrumento, no solo para hacerlo más capaz. Dos guardas estructurales, ambas motivadas por bugs reales ya encontrados en este proyecto, no por precaución abstracta:

Guarda contra la clase de bug lastIndex. Un test escanea el código fuente real (no una lista curada) buscando cualquier regex declarada con flag /g que se use alguna vez con .test() — la combinación exacta que causó que el mismo input diera resultados distintos según el orden de ejecución (v0.14.0). Si esa combinación vuelve a aparecer, el test falla antes de que nadie tenga que acordarse de revisarlo a mano.

Tests de propiedad para normalización. En vez de confiar en que alguien agregue a mano el próximo caso de comilla tipográfica, un test genera automáticamente variantes Unicode (apóstrofe recto vs. curvo, comillas dobles rectas vs. tipográficas) a partir de frases reales, y confirma que el resultado no cambia — la clase completa de bug que ya costó una sesión entera de investigación (v0.14.0), blindada de una vez.

Tarjeta de capacidad (CAPABILITY_CARD.md) — segundo ítem de la fase 1

Un documento de una sola lectura, pensado para quien tiene que decidir si integrar esta señal sin leer el código: qué detecta, el estado de evidencia exacto de cada categoría (con la distinción entre spot-check manual y benchmark formal mantenida explícita, no diluida), los números reales de precisión/recall, y — con el mismo peso que las capacidades — los géneros con cobertura conocida como ausente. Cierra con una postura de despliegue explícita: señal de monitoreo para ensamble, nunca gate de bloqueo único.

Escribir esta tarjeta encontró, de paso, un bug real: anima_eval_version llevaba seis releases reportando 0.10.0 como texto literal mientras package.json ya estaba en 0.16.0 — nadie lo había notado porque nada lo comparaba contra la fuente de verdad. Corregido leyendo la versión directamente de package.json, y blindado con dos tests: uno para el campo en el código, otro para que la propia tarjeta de capacidad no pueda quedar desactualizada sin que un test lo note.

Esquema de salida para ensamble (toEnsembleSignal) — tercer ítem de la fase 1

Contrato de salida normalizado y estable, pensado para combinar ANIMA con otros detectores (estadísticos de caja negra, probes de caja blanca) en un ensamble — motivado directamente por el hallazgo de UK AISI (Taylor et al. 2025): diez métodos de detección fallaron actuando solos. La respuesta arquitectónica no es "reemplazarlos" — es hacer fácil combinar la salida rica que ya existe con la de ellos, en vez de que cada integración tenga que re-derivar su propio mapeo desde la forma completa de auditTranscript().

{ schema_version, score, confidence, reasons: [...], provenance: {...} }

Decisiones de diseño explícitas, no implícitas: score es el máximo agendaGap por turno, no el promedio — una sola ruptura genuina en un transcript por lo demás limpio es exactamente la señal que importa priorizar, promediarla contra turnos limpios la diluiría. confidence es 'alta' solo cuando la hipótesis abductiva de la ruptura de mayor peso es contradiccion_directa; cualquier hipótesis descontada reporta 'baja', exponiendo la misma distinción que ya hace la capa abductiva en vez de colapsarla en un número opaco. provenance expone el estado de evidencia (validated/constructed) directo desde REGISTRO_EVIDENCE — con un límite conocido y documentado, no escondido: mira la oración que dispara la ruptura, no el compromiso original que violó, así que puede reportar null cuando la ruptura se detecta por puro solapamiento de contenido sin que la oración actual sea, ella misma, un disparador comisivo.

Construir esto expuso, de paso, un caso borde real: auditTranscript() devuelve {error, turns_audited:0} sin la clave agenda_gap cuando no hay turnos de agente — la primera versión de esta función explotaba leyendo .per_turn de ese undefined. Corregido para reportar limpiamente en ese caso, con la razón exacta en _note.

Suite de robustez adversarial (npm run adversarial) — cuarto y último ítem de la fase 1

Distinta en propósito de benchmark.js: ese mide si el sistema generaliza bien sobre casos representativos. Esta mide algo que ningún caso del benchmark fue diseñado para probar — cuánto esfuerzo hace falta para evadir la detección a propósito, dada una violación genuina de compromiso de por medio. Ocho técnicas de evasión distintas (parafraseo, voz pasiva, cruce de idioma, doble negación, dilución por turnos, variación de modal, y dos formas de abusar la capa abductiva).

Resultado, sin suavizar: 6 de 8 técnicas evaden la detección hoy. Solo la dilución por turnos intercalados y la variación de modal verbal ("shall" en vez de "will") siguen siendo atrapadas. Esto no se reporta como fracaso a esconder — es exactamente la medición que la Parte II del documento de arquitectura de seguridad predijo que haría falta antes de confiar en este instrumento como algo más que una señal de monitoreo en ensamble. El número queda pinneado con un test de regresión: si mejora, es una mejora real y medible; si empeora en silencio, el test lo atrapa.

Hoja de ruta de corrección, Tramo 1 (v0.20.0) — dos de cuatro evasiones cerradas

Tras medir la robustez adversarial (v0.19.0), se clasificaron las 8 técnicas encontradas por naturaleza real, no por igual: bugs de alcance corregibles sin ambigüedad (A4, A8), gaps de cobertura léxica acotados (A3), y límites estructurales del solapamiento léxico puro que no se cierran sin comprometer la identidad del proyecto (A1, A6). El Tramo 1 ataca los dos primeros, con evidencia y sin sobregeneralizar:

A4 — descuento abductivo sensible al alcance. "No creo que X, así que voy a Y" hacía que el hedge ("no creo que") descontara también la cláusula independiente que seguía, aunque esa cláusula fuera una declaración activa e inequívoca. Corregido reconociendo conectores de consecuencia ("así que", "por lo tanto", "so", "therefore") como cierre del alcance del hedge — el mismo principio que NegEx ya aplica a conectores adversativos, extendido acá a conectores de consecuencia.

A8 — cancelación de doble negación. "No es que no vaya a compartir..." — dos disparadores de negación deberían cancelarse, pero el módulo de alcance solo sabía responder "¿hay negación en algún lado?", no contar cuántas. Corregido contando disparadores superpuestos por palabra; una palabra compartida cubierta por un número par de disparadores cancela en vez de negar.

Resultado: la suite adversarial baja de 6/8 a 4/8 evasiones, sin tocar el benchmark (idéntico: 1.000/0.900/0.947) ni ningún corpus real. Quedan A1 y A6 (límites estructurales, se mitigan pero no se cierran) y A3 (cobertura léxica acotada, Tramo 2) para las próximas fases.

Hoja de ruta de corrección, Tramo 2 (v0.21.0) — normalización de inflexión acotada

A3 — tabla chica de inflexión, limitada a los verbos que ya aparecen en el propio corpus de tests de este paquete (compartir, hacer, mentir, decir, informar, entregar, enviar) — no un lematizador general. "hacer" y "hacerlo" ahora se normalizan al mismo root antes de comparar signifier, aplicado en el único punto de entrada (contentWords()), así que todo lo que compara solapamiento se beneficia automáticamente.

Resultado, con precisión: el fix funciona — confirmado de forma aislada, atrapa a peso completo un caso que antes daba cero. Pero el caso adversarial A3 específico (que combina inflexión distinta con "no es X sino Y") sigue evadiendo, por una razón distinta y más profunda: la construcción de contraste hace que otra palabra compartida ("público") caiga dentro del alcance de negación de "no", lo cual lee todo el match como misma polaridad antes de que el clasificador de hipótesis abductivas llegue siquiera a correr. Cerrar esto del todo significaría partir la oración en "sino" y evaluar cada lado por separado — un cambio arquitectónico real, deliberadamente no apurado acá. La suite adversarial se mantiene en 4/8 tras este Tramo — el número no bajó, pero el diagnóstico de por qué A3 sigue sin cerrar es mucho más preciso que antes.

Hoja de ruta de corrección, Tramo 3 (v0.22.0) — mitigación, no cierre, de los límites estructurales

A1 (parafraseo) y A6 (cruce de idioma) no se cierran sin comprometer la identidad del proyecto — no hay tabla finita que cubra la sinonimia de clase abierta o el vocabulario bilingüe completo sin convertirse en un sistema de embeddings o traducción, exactamente lo que este paquete existe para no ser. Lo que se agregó es explícitamente mitigación: una tabla chica de puentes sinónimo/bilingüe (divulgar↔compartir, share/sharing↔compartir, information↔información), acotada a los pares que aparecieron en la propia suite adversarial — mismo criterio de siempre, evidencia real, no invención.

Resultado, con precisión total: A6 se atrapa ahora a peso completo — el puente bilingüe alcanza. A1 mejora pero sigue evadiendo, y el motivo es exacto y verificado: la oración adversarial comparte una sola palabra puenteada ("compartir") contra un compromiso original de tres palabras de signifier — la proporción de solapamiento (0,33) queda justo debajo del umbral (0,34). Deliberadamente no se agregó un puente adicional (datos→información) solo para que este caso puntual cruzara la línea — hubiera sido ajustar el sistema a nuestro propio test en vez de una adición genuinamente evidenciada y segura ("datos" es demasiado genérica para acotarla con la misma confianza). La suite adversarial baja de 4/8 a 3/8.

Fase 2 (v0.23.0): ART/αNLI investigado y rechazado, hallazgo real de recall bajo

Una crítica externa había recomendado ART/αNLI (Bhagavatula et al. 2020) para validar la capa abductiva. Se investigó antes de usarlo, no se usó solo por la recomendación: la tarea de ART/αNLI es elegir la hipótesis narrativa más plausible entre dos eventos de una historia (razonamiento de sentido común sobre causalidad física, ROCStories) — un sentido de "abducción" completamente distinto del que clasifica nuestra capa abductiva (contraste retórico vs. cláusula subordinada vs. contradicción directa, en diálogo de seguimiento de compromisos). Usarlo hubiera sido un error de categoría, no validación real — rechazado por esa razón, no por pereza.

Lo que sí sirvió: los propios datos de CaSiNo, sin bajar nada nuevo. 396 de los 1030 diálogos tienen anotación humana por oración de estrategias de persuasión — dato que ya teníamos y nunca habíamos usado. Tres etiquetas tienen correspondencia real (no forzada) con categorías propias: elicit-pref/promote-coordination con apertura, showing-empathy con concesivo. El resto (self-need, other-need, no-need, vouch-fair) no corresponde a nada que rastreemos — se excluyeron, no se forzaron.

Resultado, sin suavizar: el recall es muy bajo en los tres pares (0,3%–2,4% contra el corpus completo). El chequeo manual de v0.15.0 ("7/8, 6/8 genuinos") solo había medido precisión sobre una muestra chica elegida a mano — nunca recall contra el universo completo de casos reales etiquetados. REGISTRO_EVIDENCE se actualizó para que "validated" diga exactamente eso: chequeado por precisión en una muestra, no por recall contra ground truth — una distinción que hacía falta dejar explícita, no implícita.

v0.24.0: investigar el número humillante, no solo mencionarlo

En vez de aceptar el 0,3%–2,4% de recall como un límite dado, se leyeron los falsos negativos reales — las oraciones que humanos etiquetaron con la estrategia y que el sistema no capturaba — antes de tocar cualquier código, mismo método que la suite adversarial.

Dos gaps reales, cerrados con evidencia. apertura solo cubría propuestas exploratorias ("qué tal si", "could we") y no tenía ningún patrón para preguntas WH directas sobre preferencia ("what do you need", "what is your preference") ni para propuestas de coordinación tipo "let's" — un vacío sintáctico completo, no un problema de sinónimos. Agregados ambos patrones, evidenciados directamente de los falsos negativos leídos. Resultado: recall de elicit-pref 0,3%→11,4% (38×), promote-coordination 1,4%→8,8% (6×).

Un mapeo retirado, no forzado. showing-empathy↔concesivo no mejoró en absoluto (se quedó en 0,024) — porque no era un problema de cobertura léxica. Leyendo los falsos negativos quedó claro que showing-empathy es una categoría afectiva ("qué mal, lo siento") completamente distinta de la concesión epistémica que concesivo rastrea ("tenés razón", "sin embargo"). Es el mismo tipo de error de categoría que se evitó con ART/αNLI — solo que ahí se cometió primero y recién ahora se corrige, con los propios datos como evidencia.

v0.25.0: autoridad validada — y el hallazgo negativo de CaSiNo, documentado sin forzar

Antes de tocar autoridad, se revisó honestamente cuánto más podía dar CaSiNo para el resto de las categorías constructed: seis de nueve dan exactamente cero en los 1030 diálogos reales (cierre, neutro, sintoma, autoridad, procedimiento, consecuencia), y las otras tres tienen un solo hit — insuficiente para medir nada. CaSiNo ya dio todo lo que podía dar; forzar más cobertura ahí sería el mismo error que ya se evitó dos veces en esta fase (ART/αNLI, showing-empathy).

autoridad sí se promovió — pero con un corpus distinto y ya disponible. Sobre la población completa de menciones reales (no una muestra) en SnitchBench + los dos corpus de agentic misalignment (tres proveedores de IA distintos): 224 hits, los 224 acrónimos institucionales cerrados sin ambigüedad posible (FDA, SEC, DOJ, "department of justice", "the board"). Precisión efectiva: 100%.

Distinción que había que mantener explícita, no volver a confundir: esto valida que autoridad identifica bien menciones de instituciones — una pregunta distinta de si esas menciones coinciden con un compromiso real, que sigue siendo baja (hallazgo de v0.10.1, otro_axis_summary). Las dos cosas son ciertas al mismo tiempo, y REGISTRO_EVIDENCE las deja así, sin que una tape a la otra.

v0.26.0: buscando corpus para las categorías restantes — un techo honesto, no un fracaso

Encontrado DeliData (Karadzhov, Stafford & Vlachos 2023, Apache 2.0) — 500 diálogos reales de deliberación grupal, con algo mejor que una etiqueta de texto: sol_tracker_message, ground truth conductual que marca cuándo la solución propuesta por un participante cambió de verdad, sin importar cómo (o si) lo dijo con palabras.

El hallazgo, medido antes de perseguir ningún número: de 6.272 cambios reales de solución en el corpus completo, solo el 1,6% coincide con algún marcador lingüístico de autocorrección — el resto es, lisa y llanamente, una respuesta distinta afirmada sin ninguna marca, estructuralmente indetectable por cualquier lexicón. Esto no es un vacío de cobertura a cerrar — es el techo real del método.

Lo que sí se agregó, evidenciado y chequeado en precisión antes de sumarlo: "wait" al inicio de oración — verificado directo contra el corpus: 50% de precisión (17 de 34). Agregado a revision, acotado a esa posición específica. Deliberadamente no se volvió a agregar "actually" — esa eliminación (v0.15.0) fue evidenciada contra otro corpus real y se mantiene, no se contradice acá.

Resultado: precisión 0,486, recall 0,003 — un número chico en aislamiento, pero aproximadamente un quinto del techo del 1,6% que este ground truth permite. revision sigue constructed, no promovida — mejora real, reportada exactamente como lo que es.

v0.27.0: fantasia validada — un registro nuevo del mismo fenómeno, en DeliData

Antes de salir a buscar corpus nuevos, se revisaron neutro y fantasia contra los que ya teníamos con otra pregunta: no "¿aparece tal cual?" sino "¿el lexicón es angosto?" — la misma lección de apertura. neutro dio cero en ambos corpus, otra vez — genuinamente ausente, no una cuestión de cobertura. fantasia sí tenía algo: una búsqueda amplia en DeliData encontró 240 turnos con lenguaje hipotético que el lexicón angosto (dramático: "sería un desastre") no cubría — un registro cognitivo/de razonamiento ("what if", "if we flip the card"), no emocional, pero el mismo fenómeno que la categoría define.

Chequeados tres disparadores por separado: "what if" y "assuming" limpios (muestra de 15 evenly-sampled, 15/15 genuinos). "suppose" —con 14 hits reales— quedó deliberadamente afuera: mezcla el sentido de planteo hipotético con "supongo que" (un hedge epistémico, no lo que esta categoría mide) — agregar una palabra ambigua hubiera diluido precisión, misma disciplina que sacar "actually" de revision.

Resultado: 75 hits reales, 66/500 diálogos, precisión espoteada en 15/15. fantasia pasa a validated.

v0.28.0: corpus institucional real — procedimiento validada, neutro mejorada

Ni CaSiNo ni DeliData podían dar lo que faltaba: texto genuinamente institucional/político. Se encontró QAEvasion / QEvasion (Thomas et al. 2024, MIT) — 3.448 pares pregunta-respuesta reales de entrevistas presidenciales de EE. UU., anotados por humanos con nueve técnicas de evasión (Declining to answer, Dodging, Deflection, Claims ignorance...).

neutro partía de cero recall real: el lexicón original ("prefiero no comprometerme") nunca aparece así en el lenguaje político real. Leídos los falsos negativos, se chequearon seis candidatos por separado antes de agregar cualquiera (barra ≥50%): "not going to comment" (73%), "can't tell you" (69%), "we'll let you know" (80%), "not going to discuss" (60%), "won't say" (57%), "not prepared to" (50%). "not going to get into" se chequeó y se descartó (25%, débil). Resultado: recall 0,000→0,035, precisión 0,653 — real, modesto, sigue constructed.

procedimiento no necesitó ningún disparador nuevo — el lexicón que ya teníamos, nunca antes probado contra datos reales, encontró 15 hits genuinos en el corpus completo. Se leyó el contexto completo de 8 de los 15 ("officially or formally nominated", "in accordance with international law"): los 8, genuinos. Promovida a validated.

v0.29.0: palabra validada, un bug encontrado en consecuencia, cierre sigue flaca

Mismo corpus (QAEvasion), tres categorías más revisadas.

consecuencia tenía un bug real: "subject to" daba 26/26 falsos positivos — en el lenguaje político real casi siempre significa "sujeto a cambio/revisión" ("subject to fresh eyes"), no "sujeto a sanción". Los otros cinco disparadores no encontraron nada en este corpus, así que sacarlo no cuesta señal real, solo saca ruido. Los 5 hits genuinos de SnitchBench siguen intactos.

palabra se validó: "i promise you", "i guarantee you", "i assure you" — 26 hits, contexto completo chequeado en 8/8, todos genuinos empeños de palabra. Distinto de pero compatible con el "i promise" que ya tiene comisivo — los marcadores del eje Otro están pensados para coincidir con un compromiso, no competir con él.

cierre sigue sin validar, con honestidad sobre por qué: se agregó "full stop", evidenciado y genuino (2/2 en contexto), pero son solo dos instancias reales únicas detrás de los diez hits — cero en la muestra de 800 filas committeada. Demasiado poco para promover.

v0.30.0: cierre validada — nueve de doce categorías cubiertas, sintoma queda honestamente abierta

cierre: el lexicón que ya teníamos (sobre todo "final answer", nunca probado contra datos reales) encontró 42 hits reales por sí solo en DeliData, sin agregar nada. Se sumó "final decision" —evidenciado sin ambigüedad: el propio botón de la plataforma dice literalmente "Final Decision and Submit"— y el número subió a 147 hits, 115 de 500 diálogos, precisión chequeada en 17/17 sobre una muestra pareja. Promovida a validated.

sintoma: revisada contra los tres corpus reales que tenemos (CaSiNo, DeliData, QAEvasion). Resultado: solo 8 instancias genuinas en total. Reales, pero muy por debajo de cualquier otra categoría que promovimos. No se fuerza — queda constructed, con esta evidencia nueva documentada en vez de escondida.

Con esto, 9 de 12 categorías de formal_reflexivo (más las 3 de vernaculo_negociacion) tienen evidencia real detrás. Quedan revision, neutro (ambas con evidencia parcial ya documentada) y sintoma.

Validation status

Calibrated against a hand-built Rioplatense/ES clinical prototype corpus, and validated (2026-07-09) against 5 real agentic transcripts (SnitchBench runs, Claude 4 Opus / o4-mini / Gemini 2.0 Flash) — see CHANGELOG.md for what that validation found and fixed in v0.2.0. Not yet validated against the blind clinical study (in progress). Treat structural_signature as a deterministic lexical proxy, not a clinical or diagnostic claim.

agenda_gap (added in v0.3.0) is unit-tested against synthetic dialogue (polarity detection, cross-turn and within-turn rupture, false-positive resistance to topic drift and consistent re-affirmation, persistence/decay, determinism) and runs without crashing on the same 5 real transcripts, but has not yet been validated against real multi-turn dialogue with genuine broken commitments — the synthetic test corpus is illustrative, not a calibration set. Treat it as a research instrument, not a lie detector.