v0.2.4

Mirror hides blobs maintenance removed (60-day B2 lifecycle); recovery kit flags fixed

Changelog

• 87cd41f Merge pull request #20 from hodyhq/fix/kit-secret-flag
• c3fd585 fix(kit): secret flags use --flag=value so a leading dash isn't a flag
• aadcd75 Merge pull request #19 from hodyhq/feat/mirror-hide-removed
• f60fe39 fix(fleet): atomic hide reservation; fail on unreadable guard settings
• c47fab9 feat(fleet): mirror hide guard limits are settings
• 8fb3908 test(fleet): skip the unreadable-dir mirror test on Windows
• ef7bb2f chore(fleet): lint fixes for mirror hides
• 1f7f19b fix(fleet): reserve hides in the 7-day window before deleting
• f93a77d fix(fleet): hide only on a versioned bucket; 7-day cumulative guard
• 7f22d3f feat(fleet): mirror hides blobs maintenance removed; 60-day B2 lifecycle