{
  "channels": {
    "alpha":  { "version": null, "apk": null, "publishedAt": null },
    "beta":   { "version": null, "apk": null, "publishedAt": null },
    "stable": { "version": null, "apk": null, "publishedAt": null }
  },
  "minSupported": null,
  "note": "Placeholder manifest — populated by the release-orchestrator service in Phase 8."
}