v1.10.6

Changes

• email reply: Reply to messages with auto-populated To, Subject (Re:), and threading headers ($0.01/reply)
• email search: Search emails by subject or sender address (FREE)
• email delete: Soft-delete emails from inbox (FREE)
• email get-attachment: Download attachment content as base64 (FREE)
• Read/unread tracking: Inbox and search listings show unread indicators
• Attachment display: Reading a message now shows attachment list with download instructions
• Updated help text and skill documentation with all new commands