Function sanitizeTag

packages/shared/project.ts:15–28

(name: string)

 * - trim to reasonable length
 */
export function sanitizeTag(name: string): string | null {
  if (!name || typeof name !== "string") return null;

  const sanitized = name
    .toLowerCase()
    .trim()
    .replace(/[\s_]+/g, "-")      // spaces/underscores -> hyphens
    .replace(/[^a-z0-9-]/g, "")   // remove special chars
    .replace(/-+/g, "-")          // collapse multiple hyphens
    .replace(/^-|-$/g, "")        // trim leading/trailing hyphens
    .slice(0, 30);                // max 30 chars

  return sanitized.length >= 2 ? sanitized : null;
}

/**
 * Extract repo name from a git root path