{"record":{"id":"65c5b77fb4246451","repo":"JuliusBrussee/caveman","slug":"session-value-feature-q-bounds-invalid","errorCode":null,"errorMessage":"session-value feature %q bounds invalid","messagePattern":"session-value feature %q bounds invalid","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"proxy/routing/session_value.go","lineNumber":202,"sourceCode":"\t\treturn errors.New(\"session-value artifact rollback lineage invalid\")\n\t}\n\tif !finite(artifact.QualityUncertaintyZ) || artifact.QualityUncertaintyZ <= 0 || artifact.QualityUncertaintyZ > 5 ||\n\t\t!finite(artifact.MaxInversePropensity) || artifact.MaxInversePropensity < 1 || artifact.MaxInversePropensity > 100 {\n\t\treturn errors.New(\"session-value artifact confidence policy invalid\")\n\t}\n\tfeatureNames := SessionValueFeatureNames()\n\tif len(artifact.FeatureSpecs) != len(featureNames) || len(artifact.Actions) == 0 {\n\t\treturn errors.New(\"session-value artifact has no features or actions\")\n\t}\n\tfor i, spec := range artifact.FeatureSpecs {\n\t\tif spec.Name != featureNames[i] || (i > 0 && artifact.FeatureSpecs[i-1].Name >= spec.Name) {\n\t\t\treturn errors.New(\"session-value artifact feature vocabulary or order invalid\")\n\t\t}\n\t\tif spec.Name == \"turn_index\" && !spec.Required {\n\t\t\treturn errors.New(\"session-value artifact must require turn_index\")\n\t\t}\n\t\tif !finite(spec.Mean) || !finite(spec.Scale) || spec.Scale <= 0 || !finite(spec.Min) || !finite(spec.Max) || spec.Min < 0 || spec.Max < spec.Min {\n\t\t\treturn fmt.Errorf(\"session-value feature %q bounds invalid\", spec.Name)\n\t\t}\n\t}\n\tseenActions := map[string]struct{}{}\n\tartifactPool := make([]Candidate, 0, len(artifact.Actions))\n\tfor i, action := range artifact.Actions {\n\t\twantID := CandidateActionID(Candidate{Provider: action.Provider, Model: action.Model, Effort: action.Effort})\n\t\tif wantID == \"\" || action.ActionID != wantID || (i > 0 && artifact.Actions[i-1].ActionID >= action.ActionID) {\n\t\t\treturn errors.New(\"session-value artifact action identity or order invalid\")\n\t\t}\n\t\tif _, duplicate := seenActions[action.ActionID]; duplicate {\n\t\t\treturn errors.New(\"session-value artifact duplicate action\")\n\t\t}\n\t\tseenActions[action.ActionID] = struct{}{}\n\t\tartifactPool = append(artifactPool, Candidate{Provider: action.Provider, Model: action.Model, Effort: action.Effort})\n\t\tif !finite(action.RewardEffectiveSampleSize) || action.RewardEffectiveSampleSize <= 0 ||\n\t\t\t!finite(action.CostEffectiveSampleSize) || action.CostEffectiveSampleSize <= 0 ||\n\t\t\t!probabilityMetric(action.QualityCalibrationError) || !probabilityMetric(action.RewardBrierScore) ||\n\t\t\t!finite(action.RewardCalibrationIntercept) || !finite(action.RewardCalibrationSlope) || action.RewardCalibrationSlope <= 0 || action.RewardCalibrationSlope > 10 {","sourceCodeStart":184,"sourceCodeEnd":220,"githubUrl":"https://github.com/JuliusBrussee/caveman/blob/766dce6b1394ebb56a3090748d5a0240a5aefb36/proxy/routing/session_value.go#L184-L220","documentation":"ValidateSessionValueArtifact found a feature whose declared bounds in the artifact are not a valid finite interval (min must be finite and <= max). The feature spec is structurally malformed, so the artifact cannot be trusted for prediction because feature clamping and missing-value synthesis depend on those bounds.","triggerScenarios":"Thrown at proxy/routing/session_value.go:202 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Regenerate the artifact with correct finite [min,max] bounds for every feature","Reject the artifact and fall back to the previous known-good one"],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"766dce6b1394ebb56a3090748d5a0240a5aefb36","analyzedAt":"2026-08-18T03:14:35.516Z","contentChangedAt":"2026-08-18T03:14:35.516Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}