feat: add gesture sequences and calibrated pixel drags

artemis/agents/operator/operator.py

@@ -1555,6 +1555,22 @@ class OperatorNode:
             """The recorded target semantics: observed (index) or described (coords)."""
             return {k: v for k, v in el.items() if k != "center"}
 
+        if tool_name in {"drag", "action_sequence"}:
+            from artemis.mcp.gestures import DragRequest, SequenceRequest, plan_drag, plan_sequence
+
+            try:
+                if tool_name == "drag":
+                    request = DragRequest.model_validate(args)
+                    planned = plan_drag(request, width, height)
+                    return [{**planned, "args": request.model_dump(mode="json")}], None
+                request_sequence = SequenceRequest.model_validate(args)
+                plan_sequence(request_sequence, width, height, self._max_burst_actions())
+                return [
+                    {"action": "action_sequence", "args": request_sequence.model_dump(mode="json")}
+                ], None
+            except ValueError as exc:
+                return [], f"Error during {tool_name}: {exc}"
+
         if tool_name == "click":
             target = args.get("target")
             times = args.get("times", 1)