feat(frame): complete frame controls

Preserve frame geometry for selection while separating viewport and plot visibility across supported reference entities.

Refs #642

src/scene/model/hatch_model.rs

@@ -165,6 +165,13 @@ pub enum HatchPattern {
 /// (anchor-relative), so real coordinates never approach it.
 pub const GPU_BOUNDARY_SEP: f32 = 1.0e30;
 
+#[derive(Clone, Copy, Debug)]
+pub struct FillPlane {
+    pub origin: [f64; 3],
+    pub x_axis: [f64; 3],
+    pub y_axis: [f64; 3],
+}
+
 /// A hatched region defined by a closed polygon boundary.
 #[derive(Clone, Debug)]
 pub struct HatchModel {
@@ -196,6 +203,9 @@ pub struct HatchModel {
     /// rebuilt from a DXF entity — `add_hatch` then reconstructs the persisted
     /// vertices from `boundary` + `world_origin` instead.
     pub boundary_wcs: Option<Arc<Vec<[f64; 2]>>>,
+    /// Optional 3-D placement used by wipeout fills.
+    pub fill_plane: Option<FillPlane>,
+    pub fill_plane_boundary: Option<Arc<Vec<[f32; 2]>>>,
     /// Per-ring DXF role, aligned with the NaN-separated boundary paths.
     pub boundary_exterior: Option<Arc<Vec<bool>>>,
     /// Source entity handles for each boundary ring.

src/scene/model/wire_model.rs

@@ -146,6 +146,10 @@ pub struct WireModel {
     /// mirroring how exploded block fills seed their depth, so bands and fills
     /// from the same block interleave by the block's internal draw order.
     pub depth_override: Option<f32>,
+    /// Whether this wire is drawn in the normal viewport pass.
+    pub display_visible: bool,
+    /// Whether this wire is included in plotted output.
+    pub plot_visible: bool,
     /// `true` when [`fill_tris`] is a real 3-D surface (PolyfaceMesh /
     /// PolygonMesh face) that must render with hidden-surface depth and only in
     /// shaded modes. `false` for a flat 2-D overlay fill (SOLID arrowhead,
@@ -208,6 +212,8 @@ impl WireModel {
             taper_widths: Vec::new(),
             world_width: 0.0,
             depth_override: None,
+            display_visible: true,
+            plot_visible: true,
             fill_is_3d: false,
             fill_is_2d_solid: false,
             render_instance: None,
@@ -502,6 +508,8 @@ impl Default for WireModel {
             fill_tris: Vec::new(),
             fill_tris_low: Vec::new(),
             depth_override: None,
+            display_visible: true,
+            plot_visible: true,
             fill_is_3d: false,
             fill_is_2d_solid: false,
             render_instance: None,