Repo Memory `add` Test Plan Index

Case Files

Case Slug	File	Coverage Note
`add-registers-repo-and-entry`	add-registers-repo-and-entry.md	auto-bootstraps schema, registers the repo, and creates one durable entry
`add-updates-existing-entry-on-same-kind-and-key`	add-updates-existing-entry-on-same-kind-and-key.md	reuses the same entry id and records an update event on repeated upsert
`add-failed-validation-still-registers-repo`	add-failed-validation-still-registers-repo.md	failed validation still leaves a zero-entry repo row visible through `repos`