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README.md

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+---
+license: mit
+library_name: custom
+pipeline_tag: text-classification
+tags:
+  - clinical-trials
+  - nli
+  - verifier
+  - calibration
+  - healthcare
+---
+
+# CureLink NLI Verifier 260623
+
+This repository contains the lightweight JSON verifier artifact used to calibrate
+`CureLink/curelink-biomed-nli-v2` outputs inside the CureLink backend.
+
+It is not a standalone Transformer checkpoint. It is a small logistic-regression-style
+artifact consumed by the CureLink Node.js runtime in
+`backend/nliVerifier.js`.
+
+## Files
+
+- `nli-verifier-260623.json`: verifier weights and feature definitions
+- `nli-verifier-260623.summary.json`: offline training summary
+
+## What It Does
+
+The CureLink runtime first gets a raw NLI label from the base model, then uses this
+verifier to adjust likely disagreements before hard guardrails run.
+
+Typical inputs include:
+
+- raw entailment / neutral / contradiction scores
+- criterion section
+- negation and admin/consent flags
+- explicit-evidence features from patient answers
+- criterion-family indicators
+
+Typical outputs are:
+
+- `MET`
+- `UNCERTAIN`
+- `NOT_MET`
+
+## Training Snapshot
+
+- training rows: `5812`
+- eval rows: `1453`
+- eval accuracy: `0.9780`
+- eval macro F1: `0.9737`
+
+## Runtime Use
+
+The live backend points `NLI_VERIFIER_MODEL_PATH` at the JSON file and enables it with:
+
+```bash
+NLI_VERIFIER_ENABLED=1
+NLI_VERIFIER_MODEL_PATH=/app/cure-link-site/backend/models/nli-verifier-260623.json
+```
+
+## Notes
+
+- This verifier is intended to improve production trial-matching decisions.
+- It should be evaluated together with backend guardrails, not in isolation as a general-purpose public benchmark model.

nli-verifier-260623.json

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+{
+  "labels": [
+    "MET",
+    "UNCERTAIN",
+    "NOT_MET"
+  ],
+  "feature_names": [
+    "score_entailment",
+    "score_neutral",
+    "score_contradiction",
+    "margin_top12",
+    "raw_is_met",
+    "raw_is_uncertain",
+    "raw_is_not_met",
+    "section_is_inclusion",
+    "section_is_exclusion",
+    "criterion_is_negated",
+    "criterion_is_admin",
+    "anchor_ratio",
+    "family_count",
+    "recent_biologic_yes",
+    "recent_biologic_no",
+    "recent_biologic_unknown",
+    "ivig_yes",
+    "ivig_no",
+    "ivig_unknown",
+    "stable_treatment_yes",
+    "stable_treatment_no",
+    "stable_treatment_unknown",
+    "recent_infection_yes",
+    "recent_infection_no",
+    "recent_infection_unknown",
+    "active_infection_yes",
+    "active_infection_no",
+    "active_infection_unknown",
+    "diabetes_type1",
+    "diabetes_type2_or_none",
+    "diabetes_unknown",
+    "family_diabetes",
+    "family_biologic",
+    "family_ivig",
+    "family_stable_treatment",
+    "family_infection",
+    "family_pregnancy",
+    "family_age",
+    "family_diagnosis",
+    "family_medication",
+    "family_liver",
+    "family_asthma"
+  ],
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+}

nli-verifier-260623.summary.json

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+{
+  "train_rows": 5812,
+  "eval_rows": 1453,
+  "eval_accuracy": 0.978,
+  "eval_f1_macro": 0.9737,
+  "label_order": [
+    "MET",
+    "UNCERTAIN",
+    "NOT_MET"
+  ]
+}