Merge remote-tracking branch 'origin/main' into codex/778-effect-migration

# Conflicts:
#	crates/aep/src/container.rs
#	crates/aep/src/container/aepx.rs
#	crates/aep/src/container/arbitrary.rs
#	crates/aep/src/container/camera.rs
#	crates/aep/src/container/effects.rs
#	crates/aep/src/container/footage.rs
#	crates/aep/src/container/header.rs
#	crates/aep/src/container/keys.rs
#	crates/aep/src/container/masks.rs
#	crates/aep/src/container/read.rs
#	crates/aep/src/container/settings.rs
#	crates/aep/src/container/shapes.rs
#	crates/aep/src/container/textdoc.rs
#	crates/aep/src/container/typed.rs
#	crates/aep/src/container/values.rs
#	crates/aep/src/container/version.rs
#	crates/aep/src/container/write.rs
#	crates/aep/src/import/markers.rs
#	crates/aep/tests/it/container.rs
#	crates/aep/tests/it/container/batch3_core.rs
#	crates/aep/tests/it/container/batch3_objects.rs
#	crates/aep/tests/it/container/cases_600.rs
#	crates/aep/tests/it/container/header.rs
#	crates/aep/tests/it/container/helpers.rs
#	crates/aep/tests/it/container/keyframes.rs
#	crates/aep/tests/it/container/layer_switches.rs
#	crates/aep/tests/it/container/matte.rs
#	crates/aep/tests/it/container/robustness.rs
#	crates/aep/tests/it/container/text_markers_footage.rs
#	crates/aep/tests/it/container/typed.rs
#	crates/aep/tests/it/container/values.rs

Cargo.lock

@@ -1574,6 +1574,7 @@ dependencies = [
  "effectcraft-keyframe",
  "effectcraft-project",
  "effectcraft-time",
+ "log",
  "serde",
  "serde_json",
  "thiserror 2.0.21",