feat: add profile includes management UI

- Add includes section to profile editor with drag-and-drop reordering
- Display included profiles with scope badges (Global, Project, Tool)
- Add 'Add Include' dropdown filtered by compatibility and cycle prevention
- Add remove button per include row
- Save includes together with profile form
- Add include count badges to profile list sidebar
- Add drag icon to Icon component

Implements config-profile-includes-ui tasks 1.1-4.3

apps/web/src/components/icon.tsx

@@ -34,6 +34,7 @@ import {
   Stop,
   Terminal,
   ArrowLeft,
+  DotsSixVertical,
 } from "@phosphor-icons/react";
 
 export type IconName =
@@ -75,7 +76,8 @@ export type IconName =
   | "play"
   | "stop"
   | "terminal"
-  | "arrow-left";
+  | "arrow-left"
+  | "drag";
 
 const iconMap: Record<IconName, React.ComponentType<{ size?: number | string; weight?: "thin" | "light" | "regular" | "bold" | "fill" | "duotone" }>> = {
   dashboard: House,
@@ -117,6 +119,7 @@ const iconMap: Record<IconName, React.ComponentType<{ size?: number | string; we
   stop: Stop,
   terminal: Terminal,
   "arrow-left": ArrowLeft,
+  drag: DotsSixVertical,
 };
 
 export interface IconProps {