feat: add gesture sequences and calibrated pixel drags

artemis/agents/validator/action_execution.py

@@ -103,6 +103,9 @@ async def exec_action(
         return False, f"MCP call failed: {e}"
 
     action_item.update(execution="completed" if res.ok else "unknown", side_effect="possible")
+    action_item.update(res.metadata)
+    if res.metadata:
+        action_item["result"] = res.agent_message
     expected = (
         expected_input_state(wire_args["text"], wire_args["clear_exist"])
         if tool_name == "input_text"