Org migration: post-migration validation

[zeevdr]

Description

After all migration work, validate everything works end-to-end.

Checklist

Go modules

• `go install github.com/opendecree/decree/cmd/decree@v0.3.0` works
• `go get github.com/opendecree/decree/sdk/configclient@v0.3.0` works
• All SDK modules resolvable via Go module proxy
• pkg.go.dev shows the new modules

Docker

• `docker pull ghcr.io/opendecree/decree:latest` works
• `docker pull ghcr.io/opendecree/decree-cli:latest` works

Package registries

• `pip install opendecree` works (unchanged name, updated metadata)
• `npm install @opendecree/sdk` works (unchanged name, updated metadata)
• PyPI trusted publisher updated to opendecree org
• npm publish token/OIDC updated to opendecree org

CI

• CI passes on all 4 repos
• Release workflow triggers correctly on tags
• BSR push succeeds from new org
• GitHub Project board receives issues/PRs from all repos

No stale references

• `grep -r "zeevdr" .` returns zero hits across all repos
• All README badges render correctly
• All links in docs are valid

Depends on

• All other Org Migration issues complete

[zeevdr]

Completed — migrated to opendecree org.