{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://thossullivan.github.io/model-eol/schema/0.1/model-eol.plan.schema.json",
  "title": "model-eol migration plan",
  "description": "Deterministic, hash-guarded migration plan emitted by `model-eol plan`.",
  "type": "object",
  "required": ["plan_schema", "generated", "threshold_days", "via", "scan_notes", "items", "issues"],
  "properties": {
    "plan_schema": { "const": "model-eol.plan/0.1" },
    "generated": { "type": "string", "format": "date-time" },
    "threshold_days": { "type": "integer", "minimum": 0 },
    "via": { "type": ["string", "null"] },
    "scan_notes": { "type": "array", "items": { "$ref": "#/definitions/scanNote" } },
    "items": { "type": "array", "items": { "$ref": "#/definitions/item" } },
    "issues": { "type": "array", "items": { "$ref": "#/definitions/issue" } }
  },
  "additionalProperties": false,
  "definitions": {
    "item": {
      "type": "object",
      "required": ["file", "line", "occurrence", "matched", "expected_line_sha256", "id", "publisher", "replacement", "shutdown", "days", "status", "sources", "notes"],
      "properties": {
        "file": { "type": "string", "minLength": 1 },
        "line": { "type": "integer", "minimum": 1 },
        "occurrence": { "type": "integer", "minimum": 0 },
        "matched": { "type": "string", "minLength": 1 },
        "expected_line_sha256": { "type": "string", "pattern": "^[0-9a-f]{64}$" },
        "id": { "type": "string", "minLength": 1 },
        "publisher": { "type": "string", "minLength": 1 },
        "replacement": { "type": "string", "minLength": 1 },
        "shutdown": { "type": "string", "format": "date" },
        "days": { "type": "integer" },
        "status": { "enum": ["retired", "retiring"] },
        "requested_via": { "type": ["string", "null"] },
        "threshold_days": { "type": "integer", "minimum": 0 },
        "effective_scope": { "enum": ["all", "direct"] },
        "policy_provenance": { "$ref": "#/definitions/policyProvenance" },
        "mapped_from": { "type": "string", "minLength": 1 },
        "sources": { "type": "array", "items": { "type": "string" } },
        "notes": { "type": ["string", "null"] }
      },
      "additionalProperties": false
    },
    "issue": {
      "type": "object",
      "required": ["file", "line", "reason"],
      "properties": {
        "file": { "type": "string" },
        "line": { "type": "integer", "minimum": 1 },
        "matched": { "type": "string" },
        "id": { "type": "string" },
        "publisher": { "type": "string" },
        "usage": { "enum": ["direct-api", "cloud-provider", "gateway", "model-reference"] },
        "confidence": { "enum": ["high", "medium", "low"] },
        "status": { "enum": ["retired", "retiring", "scheduled", "watch", "ok"] },
        "shutdown": { "type": ["string", "null"], "format": "date" },
        "via": { "type": ["string", "null"] },
        "requested_via": { "type": ["string", "null"] },
        "days": { "type": ["integer", "null"] },
        "threshold_days": { "type": "integer", "minimum": 0 },
        "effective_scope": { "enum": ["all", "direct"] },
        "policy_provenance": { "$ref": "#/definitions/policyProvenance" },
        "mapped_from": { "type": "string", "minLength": 1 },
        "replacement": { "type": ["string", "null"] },
        "replacement_options": {
          "type": "array",
          "minItems": 1,
          "items": { "type": "string", "pattern": "^[A-Za-z0-9][A-Za-z0-9._-]*$" }
        },
        "replacement_note": { "type": "string" },
        "provider": { "type": "string" },
        "reason": { "type": "string", "minLength": 1 },
        "sources": { "type": "array", "items": { "type": "string" } },
        "notes": { "type": ["string", "null"] }
      },
      "additionalProperties": false
    },
    "scanNote": {
      "type": "object",
      "required": ["reason"],
      "properties": {
        "reason": { "type": "string", "minLength": 1 },
        "file": { "type": "string" },
        "message": { "type": "string" },
        "bytes": { "type": "integer", "minimum": 0 },
        "limit_bytes": { "type": "integer", "minimum": 0 },
        "limit_files": { "type": "integer", "minimum": 0 }
      },
      "additionalProperties": false
    },
    "policyProvenance": {
      "type": "object",
      "required": ["override_indexes", "route_index"],
      "properties": {
        "override_indexes": {
          "type": "array",
          "items": { "type": "integer", "minimum": 0 }
        },
        "route_index": { "type": ["integer", "null"], "minimum": 0 }
      },
      "additionalProperties": false
    }
  }
}