"Meta-Feature Stacking (Production)": type: meta_stack icon: "🏆" description: "Production model — frozen Toxic-BERT CLS + metadata + regularized LR meta-learner (Notebook 14)." speed: "~400ms CPU (first load downloads BERT)" accuracy: "F1 0.805" train_test_gap_pp: 2.54 recommended_threshold: 0.381 # display_banner: "Currently using: Meta-Feature Stacking (F1: 0.805, Gap: 2.54%)" model_path: models/production_final/meta_stack_final.joblib manifest_path: models/production_final/manifest.json frozen_bert_id: unitary/toxic-bert requires: "uv sync --extra hf; models/production_final/meta_stack_final.joblib" production_default: true "LR + TF-IDF (Baseline)": type: local icon: "⚡" description: "Esencial sklearn baseline — Optuna-tuned logistic regression on TF-IDF (Notebooks 01–03)." speed: "< 50ms" accuracy: "F1 0.758" train_test_gap_pp: 4.76 recommended_threshold: 0.5 model_path: models/baseline/lr_tfidf.joblib requires: "joblib only" "Frozen Toxic-BERT (Baseline)": type: hf_remote icon: "🧊" model_id: unitary/toxic-bert description: "Frozen pretrained Toxic-BERT inference only (Notebook 12 golden baseline)." speed: "~400ms CPU" accuracy: "F1 0.790" train_test_gap_pp: 0.16 recommended_threshold: 0.12 requires: "uv sync --extra hf"