Pasture: Mitra 5.9.1

Mitra joins the pasture (peers/mitra.sh) on the shared Postgres; scenarios/mitra.sh drives its Mastodon API through
follows, posts, replies, likes, reposts, a reaction, a poll, edits, deletions, direct messages, the unfollow and
statistics: 28 checks, with no change to PrivaPub. Mitra carries FEP-8b32 proofs made with Ed25519, which PrivaPub does
not verify yet.

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

CLAUDE.md

@@ -561,6 +561,9 @@ tools/pasture/run.sh down                                            # removes e
   checks.
 - **Pins (`scenarios/pins.sh`, needs mastodon):** a Mastodon account pins and unpins while alice follows it, alice pins
   and unpins while it follows her, and a fresh account's earlier pin shows once PrivaPub resolves it. 8 checks.
+- **Mitra (5.9.1):** its image on the shared Postgres (database `mitra`), as `mitra.test`, with the pasture's bundle as
+  the system's roots; mitrauser comes from its CLI and its token from a password grant. Its search resolves an account
+  elsewhere only without `type`. `scenarios/mitra.sh`, 28 checks.
 - **Relays (`peers/relay.sh` Activity-Relay 2.0.9 as `relay.test`, on the shared Redis's database 13;
   `peers/aoderelay.sh` aode-relay 0.3.129 as `aoderelay.test`):** `appsettings.Pasture.json` names both in
   `Federation:Relays`, so PrivaPub subscribes a minute after it starts. `scenarios/relay.sh` has Mastodon subscribe to