Merge remote-tracking branch 'origin/main' into plugin/host-model-api

# Conflicts:
#	crates/ocs_plugin_api/src/process/v4.rs
#	src/app/update/mod.rs

src/scene/entity.rs

@@ -134,7 +134,7 @@ impl Scene {
         let _ = self.document.layers.add(layer);
     }
 
-    fn ensure_app_id(&mut self, name: &str) {
+    pub(super) fn ensure_app_id(&mut self, name: &str) {
         if name.trim().is_empty() || self.document.app_ids.contains(name) {
             return;
         }
@@ -2156,19 +2156,19 @@ impl Scene {
 
     fn populate_images_from_document_unbumped(&mut self) {
         self.images.clear();
-        let entries: Vec<(Handle, acadrust::entities::RasterImage)> = self
+        let entries: Vec<(Handle, acadrust::entities::EntityType)> = self
             .document
             .entities()
-            .filter_map(|e| {
-                if let EntityType::RasterImage(img) = e {
-                    Some((img.common.handle, img.clone()))
-                } else {
-                    None
-                }
+            .filter(|e| {
+                matches!(
+                    e,
+                    EntityType::RasterImage(_) | EntityType::Ole2Frame(_) | EntityType::Underlay(_)
+                )
             })
+            .map(|e| (e.common().handle, e.clone()))
             .collect();
-        for (handle, img) in entries {
-            if let Some(model) = ImageModel::from_raster_image(&img) {
+        for (handle, entity) in entries {
+            if let Some(model) = self.image_seed_for(&entity) {
                 self.images.insert(handle, model);
             }
         }
@@ -2712,4 +2712,25 @@ impl Scene {
         self.named_parameters = crate::scene::named_parameters::ParameterTable::new();
         self.bump_geometry();
     }
+
+    /// Reset to the drawing File → New produces. Every path that starts a
+    /// fresh drawing (the New tab, CLEAR, the automation `new` op) goes
+    /// through here so they all agree on what a blank drawing contains.
+    pub fn reset_to_new_drawing(&mut self) {
+        self.clear();
+        self.populate_new_drawing_defaults();
+    }
+
+    /// What a blank document gets on top of the codec's defaults: the
+    /// 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);
+        for obj in self.document.objects.values_mut() {
+            if let acadrust::objects::ObjectType::Layout(l) = obj {
+                if l.name != "Model" {
+                    crate::scene::apply_default_page_setup(l, "");
+                }
+            }
+        }
+    }
 }