feat(registry): add media treatment overlays #11228

Job	Run time
Format	54s
Semantic PR title	6s
Detect changes	14s
File size check	17s
Fallow audit	37s
Test	5m 8s
Typecheck	2m 35s
Build	2m 54s
CLI smoke (required)	4m 48s
CLI: npx shim (macos-latest)	30s
Test: runtime contract	1m 22s
SDK: unit + contract + smoke	35s
CLI: npx shim (windows-latest)	2m 42s
Skills: project-native lint + mirror	12s
Skills: manifest in sync	8s
Test: skills	15s
Producer: unit tests	1m 33s
Studio: load smoke	1m 10s
CLI: npx shim (ubuntu-latest)	20s
Producer: integration tests	2m 25s
Lint	41s
Codex plugin package	9s
Smoke: global install	2m 38s
	32m 13s

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