Replaces single flat table with category sections, each with a description
column. Footnotes moved to the top of the section for clarity. Covers all
30 tools including the new cortex_status, cortex_update, reminders_remove,
ae_journal_entry_read, ae_journal_entries_list, and email_send.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>