{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/tsinghua/main/json-structure/tsinghua-mirror-status-structure.json",
  "name": "MirrorStatus",
  "description": "JSON Structure for a single TUNA mirror synchronization status entry.",
  "type": "object",
  "properties": {
    "name": { "type": "string", "description": "Identifier of the mirror." },
    "is_master": { "type": "boolean", "description": "Whether this is a master sync job." },
    "status": {
      "type": "string",
      "description": "Current synchronization status.",
      "enum": ["success", "syncing", "failed", "paused"]
    },
    "last_update": { "type": "string", "description": "Last successful update timestamp." },
    "last_update_ts": { "type": "int64", "description": "Last successful update, Unix epoch seconds." },
    "last_started": { "type": "string", "description": "Most recent run start timestamp." },
    "last_started_ts": { "type": "int64", "description": "Most recent run start, Unix epoch seconds." },
    "last_ended": { "type": "string", "description": "Most recent run end timestamp." },
    "last_ended_ts": { "type": "int64", "description": "Most recent run end, Unix epoch seconds." },
    "next_schedule": { "type": "string", "description": "Next scheduled run timestamp." },
    "next_schedule_ts": { "type": "int64", "description": "Next scheduled run, Unix epoch seconds." },
    "upstream": { "type": "string", "description": "Upstream source URL." },
    "size": { "type": "string", "description": "Human-readable on-disk size." }
  },
  "required": [
    "name",
    "is_master",
    "status",
    "last_update",
    "last_update_ts",
    "last_started",
    "last_started_ts",
    "last_ended",
    "last_ended_ts",
    "next_schedule",
    "next_schedule_ts",
    "upstream",
    "size"
  ]
}