feat: release 2.2.0 with PC-only tests and execution reliability fixes

Unify task scheduling and queue state, fix Android input and observation recovery, preserve screenshot paths, and match final review criteria accurately. Add collapsible copyable results and publish the complete 2.1.0 upgrade notes. Validation: 3189 backend tests, 326 frontend tests, 24 client tests, production build and quality gates.

apps/showcase_ui/src/app/components/task-plugins/task-plugins.component.ts

@@ -1,4 +1,4 @@
-import { Component, inject, output, signal } from '@angular/core';
+import { Component, inject, input, OnChanges, output, signal } from '@angular/core';
 import { FormsModule } from '@angular/forms';
 import { RouterLink } from '@angular/router';
 import { InstalledPlugin, PluginService } from '../../services/plugin.service';
@@ -11,7 +11,8 @@ export interface TaskPluginOptions {
   selector: 'app-task-plugins', standalone: true, imports: [FormsModule, RouterLink],
   templateUrl: './task-plugins.component.html', styleUrl: './task-plugins.component.scss'
 })
-export class TaskPluginsComponent {
+export class TaskPluginsComponent implements OnChanges {
+  target = input<'android' | 'computer'>('android');
   changed = output<TaskPluginOptions>();
   private api = inject(PluginService);
   automatic = true;
@@ -26,7 +27,12 @@ export class TaskPluginsComponent {
   }
   available() {
     return this.plugins().filter(p => p.enabled && p.profiles.some(profile => profile.authorized) &&
-      p.manifest.targets.some(target => target === 'android' || target === 'mixed'));
+      p.manifest.targets.some(target => target === this.target() || (this.target() === 'android' && target === 'mixed')));
+  }
+  ngOnChanges() {
+    const allowed = new Set(this.available().map(p => p.manifest.id));
+    this.selected = Object.fromEntries(Object.entries(this.selected).filter(([id]) => allowed.has(id)));
+    this.emit();
   }
   authorizedProfiles(plugin: InstalledPlugin) { return plugin.profiles.filter(p => p.authorized); }
   toggle() {