Merge remote-tracking branch 'origin/main' into codex/pdf-attach-parity

# Conflicts:
#	locales/ar-SA/opencadstudio.ftl
#	locales/bg-BG/opencadstudio.ftl
#	locales/cs-CZ/opencadstudio.ftl
#	locales/de-DE/opencadstudio.ftl
#	locales/el-GR/opencadstudio.ftl
#	locales/en-US/opencadstudio.ftl
#	locales/es-ES/opencadstudio.ftl
#	locales/fi-FI/opencadstudio.ftl
#	locales/fr-FR/opencadstudio.ftl
#	locales/hi-IN/opencadstudio.ftl
#	locales/hu-HU/opencadstudio.ftl
#	locales/it-IT/opencadstudio.ftl
#	locales/ja-JP/opencadstudio.ftl
#	locales/ko-KR/opencadstudio.ftl
#	locales/nl-NL/opencadstudio.ftl
#	locales/pl-PL/opencadstudio.ftl
#	locales/pt-BR/opencadstudio.ftl
#	locales/ru-RU/opencadstudio.ftl
#	locales/tr-TR/opencadstudio.ftl
#	locales/zh-CN/opencadstudio.ftl
#	locales/zh-TW/opencadstudio.ftl
#	src/app/control/actions.rs
#	src/app/mod.rs
#	src/app/update/mod.rs
#	src/app/view/modal.rs
#	src/io/xref.rs
#	src/ui/window/mod.rs

src/scene/camera_ops.rs

@@ -1428,6 +1428,19 @@ impl Scene {
                 sy += y as f64;
                 n += 1;
             }
+            // SDF text is carried as textured glyph quads, not ordinary wire
+            // points. Include those vertices so a text-only wire participates
+            // in the robust-centre filter used by ZOOM EXTENTS.
+            for vertex in &wire.text_verts {
+                let x = vertex.pos[0] as f64 + vertex.pos_low[0] as f64;
+                let y = vertex.pos[1] as f64 + vertex.pos_low[1] as f64;
+                if !x.is_finite() || !y.is_finite() {
+                    continue;
+                }
+                sx += x;
+                sy += y;
+                n += 1;
+            }
             if n > 0 {
                 cents.push(WireCent {
                     idx,
@@ -1486,6 +1499,17 @@ impl Scene {
                     max = max.max(glam::Vec3::new(x, y, z));
                 }
             }
+            for vertex in &wire.text_verts {
+                let point = glam::Vec3::new(
+                    vertex.pos[0] + vertex.pos_low[0],
+                    vertex.pos[1] + vertex.pos_low[1],
+                    vertex.pos[2] + vertex.pos_low[2],
+                );
+                if point.is_finite() {
+                    min = min.min(point);
+                    max = max.max(point);
+                }
+            }
         }
         // Fold in 3D-solid mesh AABBs (not subject to the wire IQR reject).
         for ([ax, ay, bx, by], [az, bz]) in &mesh_aabbs {

src/scene/entity.rs

@@ -2884,11 +2884,11 @@ impl Scene {
     /// standard linetypes and a compatible page setup on every paper layout.
     pub fn populate_new_drawing_defaults(&mut self) {
         crate::io::linetypes::populate_document(&mut self.document);
-        // A new drawing is metric, as the reference's ISO template: millimetre
+        // A new drawing is metric, as the reference's new drawing: metre
         // insertion units, metric measurement, and the ISO-25 dimension style
         // current. Standard stays available for imperial work.
         self.document.header.measurement = 1;
-        self.document.header.insertion_units = 4;
+        self.document.header.insertion_units = 6;
         let iso = crate::scene::creation_style::ensure_iso_dim_style(&mut self.document);
         self.document.header.current_dimstyle_name = "ISO-25".to_string();
         // The name alone leaves the header pointing at the previous style, and

src/scene/model/wire_model.rs

@@ -633,6 +633,28 @@ impl WireModel {
         out
     }
 
+    /// Return a preview clone with every point mapped through `map` (an
+    /// INSERT-style placement: per-axis scale, rotation, translation).
+    /// Tangent geometry is dropped; a preview is not snapped to.
+    pub fn mapped(&self, map: impl Fn(glam::DVec3) -> glam::DVec3) -> Self {
+        let mut out = self.clone();
+        out.name = format!("preview_{}", self.name);
+        out.color = Self::CYAN;
+        out.selected = false;
+        map_points(&mut out.points, &mut out.points_low, &map);
+        if let Some(marker) = &mut out.point_marker {
+            marker.origin = map(marker.origin);
+        }
+        if !out.text_verts.is_empty() {
+            out.text_verts = map_text_verts(&self.text_verts, |x, y, z| {
+                let p = map(glam::DVec3::new(x, y, z));
+                (p.x, p.y, p.z)
+            });
+        }
+        out.tangent_geoms.clear();
+        out
+    }
+
     /// Return a clone with every point rotated around `center` by `angle_rad`.
     pub fn rotated(&self, center: glam::Vec3, angle_rad: f32) -> Self {
         self.rotated_about_axis(center, glam::Vec3::Z, angle_rad)

src/scene/parametric_constraints.rs

@@ -2507,7 +2507,9 @@ impl super::Scene {
     }
 
     /// The document as written to a file: a dynamic dimension's screen-size
-    /// overrides are a display matter and stay out of the file.
+    /// overrides are a display matter and stay out of the file, and so does
+    /// what resolving an external reference merged in (its geometry, nested
+    /// blocks and styles), which the file never stores.
     pub(crate) fn document_for_save(&self) -> acadrust::CadDocument {
         use crate::entities::dim_override as ov;
         let mut document = self.document.clone();
@@ -2530,6 +2532,7 @@ impl super::Scene {
                 }
             }
         }
+        crate::io::xref::strip_resolved_xref_content(&mut document);
         document
     }