Fix/content publishing media links

[Hubertoink]

Summary

Describe the change and why it is needed.

Verification

• bun run build
• bun test
• bun run lint
• Docker/deployment check, if relevant

Checklist

• Tests cover behavior changes.
• Docs were updated when behavior, config, deployment, or public surfaces changed.
• No compatibility shim was added for old pre-release behavior.
• No secrets, local databases, uploads, or generated artifacts are included.