Pulumi: Modify Existing Files

Read the repo's conventions first

Before editing, read the repository's own AGENTS.md and any guides it points to (in mitodl/ol-infrastructure: docs/context/03-pulumi-workflows.md, 05-secrets-management.md, 06-code-style-conventions.md). They own stack naming, component rules, helpers, and secrets layout, and they change; don't restate them from memory.

Regardless of repo, these hold: