submit() now sends partner_email/partner_name/x_fc_client_label. New jsonrpc endpoints my_tickets/ticket_detail/ticket_reply/unread_count, all auth=user with server-side scoping (build_scope_domain), internal-note filtering, and graceful remote-failure handling. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>