Personas have walls their followers write on

Owner decision of 2026-10-06 (G-0009, FEP-400e). A persona's actor names its wall (…/graffiti, sm:wall) and, in
Smithereen's privacySettings, that its followers may write on it. A public post that is not a reply, sent with the wall
as its target by an account following the persona, is hosted: the persona is notified, it reaches the persona's and its
followers' homes, and the followers' servers and the author's are told with Add{Note}. The persona deletes it with
DELETE /api/v1/statuses/:id, which sends Remove{Note}; Smithereen deletes the post then. The wall lists the persona's
public posts that start a thread and what was written on it.

Elsewhere: an account's Add{Note} on its own wall shows the post to its followers here as on that wall (privapub.wall on
the status), and its Remove takes it away. An Add or Remove naming a collection of the account's own server PrivaPub
does not know has its document read again first, at most hourly: accounts kept before walls were read had none.

Checked live: Smithereen 40 checks (G-0009 closed); GoToSocial and Mastodon unchanged (121).

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

docs/ROADMAP.md

@@ -282,7 +282,7 @@ and circles (see Owner decisions).
 
 | Question | Decision |
 |---|---|
-| A persona's wall (G-0009) | **Yes, publish walls.** A persona's actor names its wall (`sm:wall`, FEP-400e); Smithereen's users may write on it, PrivaPub hosts their posts there and tells the persona's followers with `Add{Note}`. |
+| A persona's wall (G-0009) | **Yes, publish walls.** A persona's actor names its wall (`sm:wall`, FEP-400e); Smithereen's users may write on it, PrivaPub hosts their posts there and tells the persona's followers with `Add{Note}`. **Done 2026-10-06:** its followers write on it, the persona takes posts off; posts on walls elsewhere reach their owners' followers here; checked live against Smithereen. |
 | Personas' public posts and relays | **Send public posts too.** A persona's public post (not unlisted, not followers-only, not local-only) also goes to the relays PrivaPub subscribes to, as Mastodon sends them. |
 | A post's `replies` and `context` | **Publish public threads.** Public and unlisted posts name their `replies` and `context` collections, which list only the public and unlisted replies PrivaPub holds; followers-only, circle, direct and local-only posts never do. |
 | FEP-8fcf followers synchronisation | **Send digests.** A delivery to a server that the persona's followers there would get carries a `Collection-Synchronization` header: a digest of the persona's followers on that server only, and where that server reads that partial list. |