feat(web): add icons/emoji to selectors, sync bot enable status and plugin list in sidebar

- Bot adapter selector: show adapter icon in trigger and dropdown items
- Knowledge engine selector: show plugin icon derived from plugin_id
- Pipeline binding selector: show pipeline emoji in trigger and dropdown items
- Knowledge base selectors (single/multi): show KB emoji in all views
- Sidebar bot entries: show green/gray status dot on adapter icon for enable/disable state
- Sidebar plugin list: sync after install/uninstall from all entry points (PluginInstalledComponent, plugins page, marketplace page)
- Pipeline form: add cursor-pointer to left-side tab list buttons
- Clean up unused onBotDeleted prop from BotForm

web/src/app/home/components/home-sidebar/SidebarDataContext.tsx

@@ -18,6 +18,8 @@ export interface SidebarEntityItem {
   emoji?: string;
   iconURL?: string;
   updatedAt?: string; // ISO timestamp for sorting by most recently edited
+  // Bot-specific fields
+  enabled?: boolean;
   // Plugin-specific fields
   installSource?: string;
   installInfo?: Record<string, unknown>;
@@ -63,6 +65,7 @@ export function SidebarDataProvider({
           name: bot.name,
           iconURL: httpClient.getAdapterIconURL(bot.adapter),
           updatedAt: bot.updated_at,
+          enabled: bot.enable ?? true,
         })),
       );
     } catch (error) {