fix(tolerance): complete workflow integration

Sync current main and companion codec changes before preserving unsupported frame rows, rendering in the entity plane, and sharing final layout metrics with placement preview.

src/scene/convert/acad_to_render.rs

@@ -24,6 +24,7 @@ pub struct TextStroke {
     pub origin: [f64; 2],
     pub color: Option<[f32; 3]>,
     pub fill_tris: Vec<[f32; 2]>,
+    pub plane: Option<TextPlane>,
     /// Layout inputs to rebuild this run as per-glyph SDF quads (see
     /// `scene::text::glyph_quads`). `Some` on runs wired for the SDF text
     /// renderer; `None` leaves the run to the stroke path only. Heights are
@@ -32,6 +33,14 @@ pub struct TextStroke {
     pub run: Option<GlyphRun>,
 }
 
+#[derive(Clone, Copy, Debug)]
+pub struct TextPlane {
+    pub origin: [f64; 3],
+    pub scale_origin: [f64; 3],
+    pub x_axis: [f64; 3],
+    pub y_axis: [f64; 3],
+}
+
 /// Per-run text-layout inputs needed to reproduce a run as SDF glyph quads.
 #[derive(Clone, Debug)]
 pub struct GlyphRun {