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/tools/validator/test_validator_tools.py

@@ -15,7 +15,7 @@
 import base64
 from pathlib import Path
 
-from artemis.agents.validator.failure_analyzer import ValidationErrorCategory
+from artemis.agents.validator.categories import ValidationErrorCategory
 from artemis.agents.validator.validator import ValidatorNode
 import pytest