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.

tests/fixtures/action_surfaces/operator_shells.json

@@ -187,7 +187,7 @@
               }
             ],
             "default": null,
-            "description": "Optional swipe/drag duration in milliseconds (default 800). For drag-and-drop, list reordering, or sliding/adjusting sliders (e.g., volume, brightness, SeekBars), set duration >= 1000 (e.g. 1500). If omitted for directional swipe, duration is computed automatically."
+            "description": "Optional swipe/drag duration in milliseconds (default 800; computed automatically for directional swipes)."
           }
         },
         "type": "object"
@@ -198,7 +198,7 @@
     "type": "function",
     "function": {
       "name": "press_key",
-      "description": "[ACTION] Press a physical or virtual system button (e.g.\n\nENTER, BACK, HOME, APP_SWITCH).",
+      "description": "[ACTION] Press a physical or virtual system button (e.g. ENTER, BACK, HOME, APP_SWITCH).",
       "parameters": {
         "properties": {
           "key": {