{
  "$comment": "SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.\nSPDX-License-Identifier: Apache-2.0",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "USD Validation Scope Note",
  "$comment": "Input plan consumed by the validation reference executor. Concepts are canonical names resolved against validator-concepts.json; raw runtime class names are forbidden by pattern.",
  "type": "object",
  "additionalProperties": false,
  "required": ["scope", "concepts", "targets", "tier_assignments", "selection_reason", "artifact_paths"],
  "properties": {
    "scope": {
      "enum": ["minimum_openability", "targeted", "masked_stage_spot_check", "approved_full_sweep", "structural_only"]
    },
    "concepts": {
      "type": "array",
      "minItems": 0,
      "items": {
        "type": "string",
        "pattern": "^[a-z][a-z0-9_]*$",
        "$comment": "Canonical concept name; must resolve in validator-concepts.json (CI cross-check)."
      }
    },
    "targets": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["concept"],
        "properties": {
          "concept": { "type": "string", "pattern": "^[a-z][a-z0-9_]*$" },
          "paths": { "type": "array", "items": { "type": "string" } },
          "mask_paths": { "type": "array", "items": { "type": "string" } },
          "pairs": {
            "type": "array",
            "items": {
              "type": "array",
              "items": { "type": "string" },
              "minItems": 2,
              "maxItems": 2
            }
          }
        }
      }
    },
    "tier_assignments": {
      "type": "object",
      "propertyNames": { "pattern": "^[a-z][a-z0-9_]*$" },
      "additionalProperties": { "enum": [1, 2, 3] }
    },
    "selection_reason": { "type": "string", "minLength": 1 },
    "artifact_paths": { "type": "array", "items": { "type": "string" } },
    "full_sweep": {
      "type": "object",
      "additionalProperties": false,
      "required": ["status"],
      "properties": {
        "status": { "enum": ["skipped", "approved"] },
        "reason": { "type": "string" },
        "approved_by_user": { "type": "boolean" }
      }
    },
    "estimated_time": { "enum": ["fast", "minutes", "long"] }
  }
}