Mailbox controls: pause/resume mailboxes and change mailbox email address from the portal

Features

• Mailbox controls: pause/resume mailboxes and change mailbox email address from the portal
• Admin: email logs and per-tenant send stats
• Broadcast: sequential broadcast send to many recipients
• CLI: --html and --subject flags for threads reply
• Capture: email capture endpoint for website signup forms
• Free tier: activate-free flow for new accounts without billing
• CLI: commands migrated from cookie auth to agent API (bumped to v1.15.0)
• Landing: Why Molted comparison page with live policy demo

Fixes

• Thread reply: use the thread's own mailbox; escalated threads accept inbound replies
• Thread projection: correct encryption check per field
• Tenant delete: fix wrong column name and add missing cascade tables
• Docs: render custom MDX components inside Fumadocs
• Docs: SDK parameter mismatches, CLI package name, Starter storage limit
• Signup: remove promo banner