Function formatSnapshotVersionSummary

packages/bumpy/src/core/snapshot.ts:156–160

(releases: PlannedRelease[])

/** One-line summary of a snapshot plan's versions, for logs and PR comments */
export function formatSnapshotVersionSummary(releases: PlannedRelease[]): string {
  if (releases.length === 0) return '';
  if (releases.length === 1) return `${releases[0]!.name}@${releases[0]!.newVersion}`;
  return `${releases.length} packages`;
}

/** Guard: a snapshot version must be a valid prerelease (never collides with a stable release) */
export function assertSnapshotPrerelease(version: string): void {