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.

artemis/mcp/observation.py

@@ -16,7 +16,7 @@
 
 This is the act-then-observe half that used to be welded into every executor action
 (``capture_screenshot_and_parse_ui``). Split out so that actuation and observation are
-separate calls: the Flash/FailureAnalyzer adapter observes after each action, while the
+separate calls: the Flash adapter observes after each action, while the
 Validator -- which runs its own UI-change polling -- simply never calls it.
 """