Merge main into M13.4 (codec completion): HEVC/AV1 on the export pipeline (Cx), one key-frame interval for all movie codecs

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

xtask/src/main.rs

@@ -37,6 +37,7 @@ const LAYERS: &[(&str, u8)] = &[
     ("effects", 2),
     ("track", 2),
     ("svg", 2),
+    ("pdf", 2),
     ("model", 2),
     ("render", 3),
     ("media", 3),
@@ -45,6 +46,7 @@ const LAYERS: &[(&str, u8)] = &[
     ("gpu", 3),
     ("lottie", 3),
     ("format", 3),
+    ("plugin", 3),
     ("engine", 4),
     ("script", 4),
     ("host", 4),
@@ -60,6 +62,7 @@ const SAME_LAYER: &[(&str, &str)] = &[
     ("path", "keyframe"),
     ("path", "raster"),
     ("text", "path"),
+    ("pdf", "svg"),
     ("effects", "project"),
     ("effects", "text"),
     ("effects", "path"),