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                {
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                  "level": 0.9827272824149452,
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                },
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                  "level": 0.8057755006986492,
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              ],
              "interpretation": "Combinaison possible changement de sonde + splice, amplifi\u00e9e par g\u00e9om\u00e9trie, fond ou calibration.",
              "key": "vera25_like",
              "label": "Signature VERA25-like",
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            {
              "evidence": [
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                  "level": 1.0,
                  "signal": "PCA Q"
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                {
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              "label": "Erreur interpolation / r\u00e9\u00e9chantillonnage",
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            {
              "evidence": [
                {
                  "level": 1.0,
                  "signal": "PCA Q"
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              "key": "white_calibration",
              "label": "Erreur calibration / r\u00e9f\u00e9rence blanche",
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            {
              "evidence": [
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                  "level": 1.0,
                  "signal": "Mahalanobis / T2"
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                {
                  "level": 1.0,
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                {
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              "interpretation": "Vari\u00e9t\u00e9, esp\u00e8ce, lot ou condition diff\u00e9rente mais physiquement plausible.",
              "key": "out_of_domain",
              "label": "Spectre hors domaine valide",
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            {
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                  "level": 1.0,
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              "interpretation": "M\u00e9lange de campagnes, op\u00e9rateurs, lots, setups ou sous-populations spectrales.",
              "key": "multi_regime",
              "label": "Dataset multi-r\u00e9gimes",
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            {
              "evidence": [
                {
                  "level": 1.0,
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                  "level": 1.0,
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                {
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              "interpretation": "Effet syst\u00e9matique du support, blanc/noir, transflectance ou environnement de mesure.",
              "key": "background_shift",
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