# Inbox `show` Test Plan Index

## Case Files

| Case Slug | File | Coverage Note |
| --- | --- | --- |
| `show-returns-thread-and-message-history` | [show-returns-thread-and-message-history.md](./show-returns-thread-and-message-history.md) | returns thread details and full time-ordered message history |
| `show-includes-artifacts-per-message` | [show-includes-artifacts-per-message.md](./show-includes-artifacts-per-message.md) | expands per-message artifacts in the show payload |
| `show-mark-read-advances-read-cursor` | [show-mark-read-advances-read-cursor.md](./show-mark-read-advances-read-cursor.md) | advances caller read cursor when `--mark-read` is used |
| `show-rejects-when-thread-missing` | [show-rejects-when-thread-missing.md](./show-rejects-when-thread-missing.md) | returns stable not-found contract for missing thread |
