A reply or boost awaiting its author's approval says so

GoToSocial lets an author approve replies, likes and boosts first. PrivaPub now asks that author and marks the
persona's reply or boost privapub.approval: pending until the answer, or rejected; the card shows which, with an
hourglass or a cross. One the policy shuts out is refused (422) and shown as the error it is.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LsXgEaXee4GCU1hwYgPJXw

CLAUDE.md

@@ -237,6 +237,9 @@ supplies:
 - **Threads** (`Pages/ExpandMessage.razor` at `/expand/{id}`): opening a remote thread makes PrivaPub read its replies
   from their servers (its FEP-7888 `context`, else `replies`), so the page reads the thread again after 4 and 15 seconds
   and adds what was found, in the thread's order.
+- **Interaction policies** (GoToSocial's): a reply or boost whose target's author must approve it shows so on its card
+  (`privapub.approval`: pending, then nothing once approved, or rejected); one the policy shuts out is refused by
+  PrivaPub (422) and shown as an error.
 - **Settings** (`Pages/Settings.razor`, `Components/Settings/`): the persona's profile (`ProfileEditor`:
   `update_credentials` as multipart, its words as written from `Account.Source`, pictures, fields, locked, bot,
   discoverable, indexable and posting defaults; the composer starts a new post at its default visibility), its mutes,