{
  "$comment": "MPLP Protocol v1.0.0 — Frozen Specification\nFreeze Date: 2025-12-03\nStatus: FROZEN (no breaking changes permitted)\nGovernance: MPLP Protocol Governance Committee (MPGC)\nCopyright: © 2026 Jearon Wong\nLicense: Apache-2.0\nAny normative change requires a new protocol version.",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://mplp.dev/schemas/v1.0/learning/mplp-learning-sample-delta.schema.json",
  "title": "MPLP LearningSample – Delta Impact v1.0",
  "description": "Specialized schema for delta_impact samples capturing change effect analysis and compensation planning",
  "allOf": [
    {
      "$ref": "mplp-learning-sample-core.schema.json"
    },
    {
      "type": "object",
      "properties": {
        "sample_family": {
          "const": "delta_impact",
          "description": "Must be 'delta_impact' for this sample type"
        },
        "input": {
          "type": "object",
          "properties": {
            "delta_id": {
              "type": "string",
              "description": "Delta Intent identifier"
            },
            "intent_id": {
              "type": "string",
              "description": "Original intent being modified"
            },
            "delta_type": {
              "type": "string",
              "enum": [
                "refinement",
                "correction",
                "expansion",
                "reduction",
                "pivot"
              ],
              "description": "Type of delta change"
            },
            "change_summary": {
              "type": "string",
              "description": "Abstracted summary of requested change"
            }
          },
          "required": [
            "delta_id",
            "intent_id",
            "change_summary"
          ],
          "additionalProperties": true
        },
        "state": {
          "type": "object",
          "properties": {
            "affected_artifact_count": {
              "type": "integer",
              "minimum": 0,
              "description": "Optional: Number of artifacts potentially affected"
            },
            "risk_level": {
              "type": "string",
              "enum": [
                "low",
                "medium",
                "high",
                "critical"
              ],
              "description": "Assessed risk level before change"
            },
            "psg_complexity_score": {
              "type": "number",
              "minimum": 0,
              "description": "Optional: PSG complexity metric before change"
            }
          },
          "additionalProperties": true
        },
        "output": {
          "type": "object",
          "properties": {
            "actual_impact_summary": {
              "type": "string",
              "description": "Summary of actual impact after analysis"
            },
            "impact_scope": {
              "type": "string",
              "enum": [
                "local",
                "module",
                "system",
                "global"
              ],
              "description": "Scope of detected impact"
            },
            "comp_plan_required": {
              "type": "boolean",
              "description": "Whether compensation plan was needed"
            },
            "comp_plan_applied": {
              "type": "boolean",
              "description": "Optional: Whether compensation was actually applied"
            },
            "rollback_used": {
              "type": "boolean",
              "description": "Optional: Whether rollback mechanism was triggered"
            }
          },
          "required": [
            "actual_impact_summary",
            "impact_scope"
          ],
          "additionalProperties": true
        },
        "meta": {
          "type": "object",
          "properties": {
            "impact_analysis_duration_ms": {
              "type": "integer",
              "minimum": 0,
              "description": "Optional: Time spent on impact analysis"
            },
            "predicted_vs_actual_accuracy": {
              "type": "string",
              "enum": [
                "accurate",
                "underestimated",
                "overestimated"
              ],
              "description": "Optional: Accuracy of impact prediction"
            }
          },
          "additionalProperties": true
        }
      }
    }
  ]
}