- Tons of addtions

src/fluency/models/data_model.py

@@ -6,7 +6,7 @@ including projects, components, sketches, and bodies.
 """
 
 from dataclasses import dataclass, field
-from typing import Dict, List, Optional, Any
+from typing import Dict, List, Optional, Any, Tuple
 from datetime import datetime
 import uuid
 import numpy as np
@@ -46,6 +46,32 @@ class Sketch:
     created_at: datetime = field(default_factory=datetime.now)
     modified_at: datetime = field(default_factory=datetime.now)
 
+    def set_workplane(
+        self,
+        origin: Tuple[float, float, float],
+        normal: Tuple[float, float, float],
+        x_dir: Tuple[float, float, float],
+    ) -> None:
+        """Set this sketch's 3D workplane and sync it to the OCC sketch.
+
+        Call this when the sketch is placed on a face/datum plane.  UV
+        coordinates are unchanged; only their world mapping moves.
+        """
+        self.workplane_origin = np.asarray(origin, dtype=float)
+        self.workplane_normal = np.asarray(normal, dtype=float)
+        self.workplane_x_dir = np.asarray(x_dir, dtype=float)
+        self.apply_workplane()
+        self.modified_at = datetime.now()
+
+    def apply_workplane(self) -> None:
+        """Push the stored workplane fields into the underlying OCCSketch."""
+        if self.occ_sketch is not None:
+            self.occ_sketch.set_workplane(
+                tuple(self.workplane_origin.tolist()),
+                tuple(self.workplane_normal.tolist()),
+                tuple(self.workplane_x_dir.tolist()),
+            )
+
     def add_point(self, x: float, y: float) -> Any:
         """Add a point to the sketch."""
         self.modified_at = datetime.now()