feat: improve task execution, verification and packaging

Add execution incidents, action bursts and shared Flash history.

Expose verification and Explorer settings with streamed check results.

Support graceful cancellation, recording recovery and bundled UI resources.

Add CI quality checks and clean up comments and documentation.

apps/showcase_ui/src/app/components/chat-interface/chat-interface.component.html

@@ -290,7 +290,7 @@ limitations under the License.
                         }
                       </div>
                     }
-                    <!-- Verification Box (Pulled out into a minimalist framed card) -->
+                    <!-- Verification result -->
                     @if (milestone.checks.length > 0) {
                       <div class="milestone-checks-container">
                         @for (check of milestone.checks; track trackMarkdownLine($index, check)) {