Part 4: Fixing Compose Without Breaking Anyone

The proposed fix for all three Compose failures is one move Helm already made: stop hosting a file, start pushing an artifact. A Margo TWG proposal (SUP-01, open for review) would publish the Compose Archive to an OCI registry with oras push, reference it by repository + revision, and let integrity fall out of the digest for free. Here is the before-and-after — and why docker compose publish…