{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "VaultMesh Sentinel v1 Seal Bundle (seal.json)",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "format",
    "sentinel_version",
    "schema_version",
    "hash_algo",
    "canonicalization_version",
    "seal_id",
    "created_at",
    "range",
    "root",
    "files"
  ],
  "properties": {
    "format": { "type": "string", "const": "vm-sentinel-seal-v1" },
    "sentinel_version": { "type": "string" },
    "schema_version": { "type": "string" },
    "hash_algo": { "type": "string", "enum": ["blake3", "sha256"] },
    "canonicalization_version": { "type": "string" },
    "seal_id": { "type": "string" },
    "created_at": { "type": "string", "format": "date-time" },
    "instance_id": { "type": "string" },
    "ledger_type": { "type": "string", "enum": ["sqlite", "jsonl"] },
    "range": {
      "type": "object",
      "additionalProperties": false,
      "required": ["since_seq", "until_seq"],
      "properties": {
        "since_seq": { "type": "integer", "minimum": 0 },
        "until_seq": { "type": "integer", "minimum": 0 },
        "since_ts": { "type": "string" },
        "until_ts": { "type": "string" }
      }
    },
    "root": {
      "type": "object",
      "additionalProperties": false,
      "required": ["start", "end"],
      "properties": {
        "start": { "type": "string" },
        "end": { "type": "string" },
        "seq": { "type": "integer", "minimum": 0 }
      }
    },
    "files": {
      "type": "object",
      "additionalProperties": false,
      "required": ["receipts", "roots", "integrity", "verifier_manifest"],
      "properties": {
        "receipts": { "type": "string" },
        "roots": { "type": "string" },
        "integrity": { "type": "string" },
        "verifier_manifest": { "type": "string" }
      }
    },
    "notes": { "type": "string" }
  }
}