Edit history from formerRepresentations

Pleroma and Akkoma send a post's earlier versions with it. A post PrivaPub first meets after its edits now has its
history, and an edit that carries them brings the versions missed in between; each is read as the post itself is. The
Akkoma scenario checks a post fetched after two edits by an account no persona follows.

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

CLAUDE.md

@@ -518,7 +518,7 @@ tools/pasture/run.sh down                                            # removes e
   shipped in the release (CAStore, certifi), so the entrypoint appends Caddy's CA there. `pleroma_ctl` passes its
   arguments on unquoted: no value may contain a space. Its Linkify never takes `@user@host.test` for a mention, so the
   scenario addresses alice with Pleroma's `to[]`; its API never reports a remote blocker as `blocked_by`, so the block is
-  read from its `user_relationships`. 44 checks.
+  read from its `user_relationships`. `akkoma_token <user>` signs one of its users in. 45 checks.
 - **Lemmy (1.0.0-beta.2):** the backend alone on the shared Postgres, its admin made by `setup` in the generated
   `config.hjson`. It trusts Caddy's CA through `SSL_CERT_FILE` and reaches the network through
   `DANGER_FEDERATION_ALLOW_LOCAL_IP=1`; 0.19 cannot join (its rustls trusts only its bundled roots). Its API is