fix: Float coordinates

src/ui/src/components/workflows/WorkflowsWorkflow.vue

@@ -382,8 +382,8 @@ function moveNode(ev: MouseEvent) {
 	const component = wf.getComponentById(nodeId);
 	const { x, y } = getAdjustedCoordinates(ev);
 
-	const newX = x - offset.x;
-	const newY = y - offset.y;
+	const newX = Math.floor(x - offset.x);
+	const newY = Math.floor(y - offset.y);
 
 	if (component.x == newX && component.y == newY) return;
 

src/writer/core_ui.py

@@ -6,7 +6,7 @@
 from enum import Enum
 from typing import Any, Dict, List, Literal, Optional, Union, cast
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, Field, field_validator, validator
 from typing_extensions import TypedDict
 
 from writer.ss_types import ComponentDefinition, ServeMode
@@ -57,6 +57,12 @@ class Component(BaseModel):
     x: Optional[int] = None
     y: Optional[int] = None
 
+    @field_validator("x", "y", mode="before")
+    def cast_float_to_int(cls, v):
+        if isinstance(v, float):
+            return int(v)
+        return v
+
     def to_dict(self) -> Dict:
         """
         Wrapper for model_dump to ensure backward compatibility.