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"solve_for", "observed", "true", "percent_error", "absolute", "status", "solution_type", "value", "absolute_error", "relative_error", "signed_percent_error", "achieved_percent_error", "direction", "resolution_limited", "calculation_version", "formula", "display", "message", "rounding", "code", "constraint" ], "properties": { "solve_for": { "enum": [ "p", "o", "t" ] }, "observed": { "type": [ "number", "null" ] }, "true": { "type": "null" }, "percent_error": { "type": "number" }, "absolute": { "type": "boolean" }, "status": { "const": "infinite" }, "solution_type": { "const": "infinite" }, "value": { "type": "null" }, "absolute_error": { "type": "null" }, "relative_error": { "type": [ "number", "null" ] }, "signed_percent_error": { "type": [ "number", "null" ] }, "achieved_percent_error": { "type": [ "number", "null" ] }, "direction": { "enum": [ "equal", "observed_below", "observed_above", null ] }, "resolution_limited": { "type": "boolean" }, "calculation_version": { "const": "1.1.5" }, "formula": { "type": "string" }, "display": { "type": "object", "additionalProperties": false, "required": [ "value", "percent_error" ], "properties": { "value": { "type": "string" }, "percent_error": { "type": "string" } } }, "message": { "type": "string" }, "rounding": { "type": "object", "additionalProperties": false, "required": [ "mode", "significant_digits", "trailing_zeros" ], "properties": { "mode": { "const": "nearest_ties_even" }, "significant_digits": { "const": 17 }, "trailing_zeros": { "const": "shortest_roundtrip" } } }, "code": { "const": "INFINITELY_MANY" }, "constraint": { "const": "T != 0" }, "entered_percent_error": { "type": "number" }, "candidates": { "type": "array", "minItems": 2, "maxItems": 2, "items": { "type": "number" } }, "branches": { "type": "array", "minItems": 2, "maxItems": 2, "items": { "type": "object", "additionalProperties": false, "properties": { "observed": { "type": "number" }, "true": { "type": "number" }, "branch": { "enum": [ "minus", "plus" ] }, "absolute_error": { "type": "number" }, "relative_error": { "type": "number" }, "signed_percent_error": { "type": "number" }, "achieved_percent_error": { "type": "number" }, "direction": { "enum": [ "equal", "observed_below", "observed_above" ] }, "resolution_limited": { "type": "boolean" } }, "required": [ "observed", "true", "branch", "absolute_error", "relative_error", "signed_percent_error", "achieved_percent_error", "direction", "resolution_limited" ] } }, "omitted_branches": { "type": "array", "minItems": 1, "maxItems": 1, "items": { "type": "object", "additionalProperties": false, "required": [ "branch", "code" ], "properties": { "branch": { "type": "string" }, "code": { "const": "DENOMINATOR_ZERO" } } } } } }, { "type": "object", "additionalProperties": false, "required": [ "solve_for", "observed", "true", "percent_error", "absolute", "status", "solution_type", "value", "absolute_error", "relative_error", "signed_percent_error", "achieved_percent_error", "direction", "resolution_limited", "calculation_version", "formula", "display", "message", "rounding", "code", "entered_percent_error" ], "properties": { "solve_for": { "enum": [ "p", "o", "t" ] }, "observed": { "type": "number" }, "true": { "type": "number" }, "percent_error": { "type": "number" }, "absolute": { "type": "boolean" }, "status": { "const": "inconsistent" }, "solution_type": { "const": "unique" }, "value": { "type": "number" }, "absolute_error": { "type": "number" }, "relative_error": { "type": "number" }, "signed_percent_error": { "type": "number" }, "achieved_percent_error": { "type": "number" }, "direction": { "enum": [ "equal", "observed_below", "observed_above" ] }, "resolution_limited": { "type": "boolean" }, "calculation_version": { "const": "1.1.5" }, "formula": { "type": "string" }, "display": { "type": "object", "additionalProperties": false, "required": [ "value", "percent_error" ], "properties": { "value": { "type": "string" }, "percent_error": { "type": "string" } } }, "message": { "type": "string" }, "rounding": { "type": "object", "additionalProperties": false, "required": [ "mode", "significant_digits", "trailing_zeros" ], "properties": { "mode": { "const": "nearest_ties_even" }, "significant_digits": { "const": 17 }, "trailing_zeros": { "const": "shortest_roundtrip" } } }, "code": { "const": "INCONSISTENT_INPUTS" }, "constraint": { "const": "T != 0" }, "entered_percent_error": { "type": "number" }, "candidates": { "type": "array", "minItems": 2, "maxItems": 2, "items": { "type": "number" } }, "branches": { "type": "array", "minItems": 2, "maxItems": 2, "items": { "type": "object", "additionalProperties": false, "properties": { "observed": { "type": "number" }, "true": { "type": "number" }, "branch": { "enum": [ "minus", "plus" ] }, "absolute_error": { "type": "number" }, "relative_error": { "type": "number" }, "signed_percent_error": { "type": "number" }, "achieved_percent_error": { "type": "number" }, "direction": { "enum": [ "equal", "observed_below", "observed_above" ] }, "resolution_limited": { "type": "boolean" } }, "required": [ "observed", "true", "branch", "absolute_error", "relative_error", "signed_percent_error", "achieved_percent_error", "direction", "resolution_limited" ] } }, "omitted_branches": { "type": "array", "minItems": 1, "maxItems": 1, "items": { "type": "object", "additionalProperties": false, "required": [ "branch", "code" ], "properties": { "branch": { "type": "string" }, "code": { "const": "DENOMINATOR_ZERO" } } } } } } ] }, "unit": { "type": [ "string", "null" ] }, "formatted": { "type": [ "string", "null" ] } } }, "formula": { "anyOf": [ { "type": "null" }, { "type": "string" }, { "type": "object", "additionalProperties": false, "properties": { "id": { "type": "string" }, "expression": { "type": "string" }, "label": { "type": "string" } } } ] }, "assumptions": { "type": "array", "items": { "type": "string" } }, "warnings": { "type": "array", "items": { "type": "object", "additionalProperties": false, "required": [ "code" ], "properties": { "code": { "type": "string" }, "severity": { "type": "string" }, "detail": { "type": "string" }, "suggestion": { "type": "string" } } } }, "verification": { "type": "object", "additionalProperties": false, "description": "Computational verification under CVP. Review-policy tiers live on `review`, not here.", "required": [ "cvp" ], "properties": { "cvp": { "type": "object", "additionalProperties": false, "required": [ "status", "protocol", "profile", "verified_scope", "verification_revision", "evidence_digest" ], "properties": { "status": { "type": "string", "description": "CVP verification status (e.g. VERIFIED)" }, "protocol": { "type": "string", "description": "CVP protocol id, e.g. 1.0.0-proposed" }, "profile": { "type": "string" }, "verified_scope": { "type": "string" }, "verification_revision": { "type": [ "string", "null" ] }, "evidence_digest": { "type": [ "string", "null" ] }, "production": { "type": [ "string", "null" ], "description": "Production freshness, e.g. CURRENT" }, "evidence": { "type": "string", "format": "uri" } } } } }, "review": { "type": "object", "additionalProperties": false, "required": [ "tier", "engine_tested", "expert_reviewed", "source_checked", "reviewed_by", "reviewer_role", "last_reviewed" ], "properties": { "tier": { "type": "string", "enum": [ "candidate", "engine_tested", "internally_reviewed", "expert_verified" ] }, "engine_tested": { "type": "boolean" }, "expert_reviewed": { "type": "boolean" }, "internally_reviewed": { "type": "boolean" }, "review_kind": { "type": [ "string", "null" ] }, "source_checked": { "type": "boolean" }, "reviewed_by": { "type": [ "string", "null" ] }, "reviewer_role": { "type": [ "string", "null" ] }, "last_reviewed": { "type": [ "string", "null" ] } }, "allOf": [ { "if": { "properties": { "tier": { "const": "expert_verified" } }, "required": [ "tier" ] }, "then": { "properties": { "engine_tested": { "const": true }, "expert_reviewed": { "const": true }, "source_checked": { "const": true }, "reviewed_by": { "type": "string", "minLength": 1 }, "reviewer_role": { "type": "string", "minLength": 1 }, "last_reviewed": { "type": "string", "minLength": 1 } } } }, { "if": { "properties": { "tier": { "const": "internally_reviewed" } }, "required": [ "tier" ] }, "then": { "properties": { "engine_tested": { "const": true }, "internally_reviewed": { "const": true }, "source_checked": { "const": true } } } }, { "if": { "properties": { "tier": { "const": "engine_tested" } }, "required": [ "tier" ] }, "then": { "properties": { "engine_tested": { "const": true } } } } ] }, "calculation_version": { "type": "string", "const": "1.1.5" }, "api_version": { "type": "string" }, "api_contract_version": { "type": "string" }, "spec_version": { "type": "string" }, "page": { "type": [ "string", "null" ], "description": "Canonical calculator page URL" }, "links": { "type": "object", "additionalProperties": false, "properties": { "schema_input": { "type": "string", "format": "uri" }, "schema_output": { "type": "string", "format": "uri" }, "evidence": { "type": "string", "format": "uri" }, "openapi": { "type": "string", "format": "uri" }, "capabilities": { "type": "string", "format": "uri" }, "mcp": { "type": "string", "format": "uri" } } } } }