Two read-only operator surfaces existed server-side but the CLI was app-only:
- `pic dead-letters ls --group <slug>` — mirrors the app listing onto a group's
shared-queue dead-letters (§11.6 D3, `GET /groups/{id}/dead-letters`), via the
existing `require_one_owner`/`OwnerRef` dispatch. List-only (show/replay/
resolve stay app-only, matching the server's operator surface); a group DL row
shows its `collection` and carries no trigger, so it renders its own columns.
- `pic docs ls/get --group <slug>` — a new `Docs` command (`cmds/docs.rs`)
wrapping `GET /groups/{id}/docs[/{collection}/{id}]`, mirroring `pic kv`.
Group-only: per-app docs have no admin read route yet (unlike kv/files), so
there is no `--app` variant — noted for a later pass.
Read-only by design (writes go through the SDK). New client methods +
`GroupDocsListDto`/`GroupDeadLetterDto`. Pinned by a new
`operator_reads_shared_docs_and_group_dead_letters_via_cli` journey
(152/152 pass).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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