Mailbox rules for automated thread routing — route incoming emails by pattern

Features

• Mailbox rules for automated thread routing — route incoming emails by pattern
• CLI self-update command with background version checking
• CLI install and init instructions added to portal onboarding
• --dry-run flag for send command with policy debug info
• Walkthrough video embedded on landing page replacing YouTube embed
• SEO audit fixes with hero images and OG meta updates

Fixes

• Auto-activate mailboxes on verified domains instead of requiring manual activation
• Always enable receiving when registering domains with Resend
• Tightened blockReason type and corrected CLI verify hint
• Fixed CLI version check crash and improved EACCES permission hint
• Removed dead preAction hook and fixed --skill flag description
• Replaced Product schema with SoftwareApplication on pricing page
• Reframed product positioning to remove "abstraction layer" framing