668a135e53
Replaces the 5 native <select multiple> fields (Managers, Monitors, Threshold config, Channels in Hosts; Channels in Users) with a compact picker widget: a truncated pill display with tooltip, and a click-to-open panel split into Available / Selected columns for moving items between sides. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>