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/agents/video_analyzer/universal_engine.py

@@ -55,9 +55,7 @@ async def exec_single_chunk_universal(
     force_fallback: bool = False,
 ) -> str:
     """Executes sub-agent chunk analysis via keyframe extraction and LangChain ChatModel."""
-    keyframes = _gather_universal_frames(
-        analyzer, raw_path, start_time, end_time, actual_start
-    )
+    keyframes = _gather_universal_frames(analyzer, raw_path, start_time, end_time, actual_start)
 
     user_blocks, audio_block = await _build_universal_user_blocks(
         analyzer, keyframes, actual_start, prompt_with_context, raw_path
@@ -100,8 +98,7 @@ async def exec_single_chunk_universal(
 
     end_str = f"{end_time:.1f}s" if end_time is not None else "unknown"
     return (
-        f"[from {start_time:.1f}s to {end_str}] Summary: {final_summary}"
-        f" Analysis: {final_analysis}"
+        f"[from {start_time:.1f}s to {end_str}] Summary: {final_summary} Analysis: {final_analysis}"
     )
 
 
@@ -133,9 +130,7 @@ def _gather_universal_frames(
         max_dimension=1080,
     )
     merged_frames = {round(timestamp, 3): data for timestamp, data in keyframes}
-    merged_frames.update(
-        {round(timestamp, 3): data for timestamp, data in targeted_frames}
-    )
+    merged_frames.update({round(timestamp, 3): data for timestamp, data in targeted_frames})
     return sorted(merged_frames.items())
 
 
@@ -218,9 +213,7 @@ async def _invoke_universal_with_visual_retry(
                 label="Universal visual-only sub-agent",
                 force_fallback=force_fallback,
             )
-        span.result = (
-            f"Received response (tool_calls={len(getattr(response, 'tool_calls', []))})"
-        )
+        span.result = f"Received response (tool_calls={len(getattr(response, 'tool_calls', []))})"
     return response