Snapshot constructor

const Snapshot({ required DateTime timestamp, required String appVersion, required int schemaVersion, required Map<String, dynamic> states, Map<String, dynamic>? metadata, })

Creates a new snapshot with the given fields.

Required fields:

• timestamp: The UTC timestamp when the snapshot was created
• appVersion: The version string of the app (e.g., "1.2.3")
• schemaVersion: The version of the snapshot schema (currently 1)
• states: Map of state keys to their JSON-serializable state data

Optional fields:

• metadata: Optional map of custom metadata. Must be JSON-serializable. Useful for tagging snapshots with bug IDs, reporter names, or other contextual information.

Implementation

const Snapshot({
  required this.timestamp,
  required this.appVersion,
  required this.schemaVersion,
  required this.states,
  this.metadata,
});