{
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "kind": {
      "const": "processing-window-plan",
      "description": "Document kind."
    },
    "schema_version": {
      "const": "1.2.0",
      "description": "System contract version."
    },
    "plan_version": {
      "const": 1,
      "description": "Window planning algorithm version."
    },
    "identity": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "source_id": {
          "$ref": "common.schema.json#/$defs/uuid",
          "description": "Canonical recording identity."
        },
        "source_sha256": {
          "type": "string",
          "pattern": "^[a-f0-9]{64}$",
          "description": "Canonical source byte digest."
        },
        "source_revision": {
          "type": "integer",
          "minimum": 1,
          "maximum": 9007199254740991,
          "description": "Frozen source revision."
        },
        "document_sha256": {
          "type": "string",
          "pattern": "^[a-f0-9]{64}$",
          "description": "Current document digest when present."
        },
        "document_revision": {
          "type": "integer",
          "minimum": 0,
          "maximum": 9007199254740991,
          "description": "Expected current document revision."
        },
        "configuration_sha256": {
          "type": "string",
          "pattern": "^[a-f0-9]{64}$",
          "description": "Effective settings and pinned executable identity."
        },
        "model_sha256": {
          "type": "string",
          "pattern": "^[a-f0-9]{64}$",
          "description": "Frozen model byte identity."
        },
        "adapter_id": {
          "type": "string",
          "minLength": 1,
          "maxLength": 256,
          "description": "Processing adapter identity."
        },
        "adapter_version": {
          "type": "string",
          "minLength": 1,
          "maxLength": 256,
          "description": "Processing adapter version."
        },
        "device_policy": {
          "type": "string",
          "minLength": 1,
          "maxLength": 256,
          "description": "Requested device and finite fallback policy."
        }
      },
      "required": [
        "source_id",
        "source_sha256",
        "source_revision",
        "configuration_sha256"
      ],
      "description": "Frozen compatible reuse identity."
    },
    "options": {
      "$ref": "pipeline-config.schema.json#/$defs/windows",
      "description": "Normalized window election."
    },
    "tracks": {
      "type": "array",
      "minItems": 1,
      "maxItems": 64,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "stream_index": {
            "type": "integer",
            "minimum": 0,
            "maximum": 65535,
            "description": "Canonical source stream."
          },
          "channel": {
            "type": "integer",
            "minimum": 0,
            "maximum": 63,
            "description": "Selected channel; omitted means downmix."
          },
          "source_sample_rate": {
            "type": "integer",
            "minimum": 1,
            "maximum": 768000,
            "description": "Native sample rate."
          },
          "source_sample_count": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991,
            "description": "Verified native sample count."
          },
          "start_numerator": {
            "type": "string",
            "minLength": 1,
            "maxLength": 128,
            "description": "Canonical source origin numerator."
          },
          "start_denominator": {
            "type": "string",
            "minLength": 1,
            "maxLength": 128,
            "description": "Canonical source origin denominator."
          },
          "start_sample": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991,
            "description": "Inclusive selected native sample."
          },
          "end_sample": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991,
            "description": "Exclusive selected native sample."
          }
        },
        "required": [
          "stream_index",
          "source_sample_rate",
          "source_sample_count",
          "start_numerator",
          "start_denominator",
          "start_sample",
          "end_sample"
        ]
      },
      "description": "Ordered selected native source tracks."
    },
    "windows": {
      "type": "array",
      "maxItems": 16384,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "id": {
            "$ref": "common.schema.json#/$defs/uuid",
            "description": "Deterministic window identity."
          },
          "ordinal": {
            "type": "integer",
            "minimum": 0,
            "maximum": 16383,
            "description": "Stable global window order."
          },
          "track_ordinal": {
            "type": "integer",
            "minimum": 0,
            "maximum": 63,
            "description": "Index into the selected tracks."
          },
          "stream_index": {
            "type": "integer",
            "minimum": 0,
            "maximum": 65535,
            "description": "Canonical source stream."
          },
          "channel": {
            "type": "integer",
            "minimum": 0,
            "maximum": 63,
            "description": "Selected channel; omitted means downmix."
          },
          "source_sample_rate": {
            "type": "integer",
            "minimum": 1,
            "maximum": 768000,
            "description": "Native source sample rate."
          },
          "core_start_sample": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991,
            "description": "Inclusive native core boundary."
          },
          "core_end_sample": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991,
            "description": "Exclusive native core boundary."
          },
          "context_start_sample": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991,
            "description": "Inclusive native extraction boundary."
          },
          "context_end_sample": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991,
            "description": "Exclusive native extraction boundary."
          },
          "mapped_start_sample": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991,
            "description": "Inclusive continuous resampler sample boundary."
          },
          "mapped_end_sample": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991,
            "description": "Exclusive continuous resampler sample boundary."
          },
          "mapping": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
              "start_numerator": {
                "type": "string",
                "minLength": 1,
                "maxLength": 128,
                "description": "Exact source origin numerator."
              },
              "start_denominator": {
                "type": "string",
                "minLength": 1,
                "maxLength": 128,
                "description": "Positive exact source origin denominator."
              },
              "sample_count": {
                "type": "integer",
                "minimum": 0,
                "maximum": 9007199254740991,
                "description": "Mapped PCM sample count."
              },
              "sample_rate": {
                "const": 16000,
                "description": "Mapped PCM rate in samples per second."
              },
              "stream_index": {
                "type": "integer",
                "minimum": 0,
                "maximum": 65535,
                "description": "Canonical source stream."
              },
              "channel": {
                "type": [
                  "integer",
                  "null"
                ],
                "minimum": 0,
                "maximum": 63,
                "description": "Selected channel; omitted means downmix."
              },
              "policy": {
                "type": "string",
                "minLength": 1,
                "maxLength": 256,
                "description": "Continuous resampling and inward boundary policy."
              }
            },
            "required": [
              "start_numerator",
              "start_denominator",
              "sample_count",
              "sample_rate",
              "stream_index",
              "channel",
              "policy"
            ],
            "description": "Exact extracted window to source-clock mapping."
          }
        },
        "required": [
          "id",
          "ordinal",
          "track_ordinal",
          "stream_index",
          "source_sample_rate",
          "core_start_sample",
          "core_end_sample",
          "context_start_sample",
          "context_end_sample",
          "mapped_start_sample",
          "mapped_end_sample",
          "mapping"
        ]
      },
      "description": "Contiguous non-overlapping cores and bounded extraction context."
    },
    "digest": {
      "type": "string",
      "pattern": "^[a-f0-9]{64}$",
      "description": "SHA-256 of sorted-key JSON excluding this digest field."
    }
  },
  "required": [
    "kind",
    "schema_version",
    "plan_version",
    "identity",
    "options",
    "tracks",
    "windows",
    "digest"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/shruggietech/insonic/v1.2.0/schemas/v1.2.0/processing-window-plan.schema.json",
  "title": "insonic processing window plan",
  "description": "Versioned bounded source-clock plan. The runtime additionally verifies exact per-track core coverage, rational mappings, selected ranges, frozen identity and the canonical plan digest.",
  "examples": [
    {
      "kind": "processing-window-plan",
      "schema_version": "1.2.0",
      "plan_version": 1,
      "identity": {
        "source_id": "11111111-1111-4111-8111-111111111111",
        "source_sha256": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
        "source_revision": 1,
        "configuration_sha256": "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
      },
      "options": {
        "core_us": 30000000,
        "context_us": 2000000,
        "concurrency": 1
      },
      "tracks": [
        {
          "stream_index": 0,
          "source_sample_rate": 16000,
          "source_sample_count": 0,
          "start_numerator": "0",
          "start_denominator": "1",
          "start_sample": 0,
          "end_sample": 0
        }
      ],
      "windows": [],
      "digest": "cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
    }
  ]
}