P6: custom emoji, fuller remote profiles, and polls both ways

- Custom emoji (Emoji tags) on posts, display names, bios and profile fields, at most 64 per object, proxied, in
  Status.emojis and Account.emojis.
- Remote profiles keep their header, profile fields, locked flag, published date, movedTo, indexable, memorial and
  image descriptions (a locked GoToSocial account no longer shows as open).
- Polls: incoming Questions (Mastodon, Misskey, Pleroma, GoToSocial shapes) with counts, voters, end and closed;
  our own polls from the Mastodon API go out as Questions; votes in are counted once per voter and never become
  replies; personas vote on other servers' polls with one Note per choice; counts refresh with an Update at most every
  three minutes; a poll closes on time and tells its voters and its author. GET /api/v1/polls/:id and POST
  /api/v1/polls/:id/votes.
- An Update without a newer `updated` only refreshes poll, video, audio and event details and leaves no revision.

Checked live against GoToSocial: each side's poll reaches the other as a poll and each side's vote is counted.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012CzABvBkbcFqoHdmi8b9WB

tools/pasture/interop.sh

@@ -101,6 +101,19 @@ gcurl -s -o /dev/null -X POST -H "$GH" $G/api/v1/statuses -d 'status=@alice@priv
 until_true 20 'curl -s -H "$PH" "$P/api/v1/conversations" | grep -q "a secret back"' && ok "gtsuser's DM reaches alice" || ko "DM missing on PrivaPub"
 until_true 5 '! gcurl -s -H "$GH" "$G/api/v1/timelines/public?local=false" | grep -q "a secret"' && ok "the DM is not public on GoToSocial" || ko "DM leaked to a public timeline"
 
+echo "polls"
+pp_poll=$(curl -s -X POST -H "$PH" $P/api/v1/statuses -d 'status=tea or coffee&visibility=public&poll[options][]=tea&poll[options][]=coffee&poll[expires_in]=3600' | j "print(d['uri'])")
+until_true 20 'on_gts "$pp_poll" | j "print(len(d[\"statuses\"][0][\"poll\"][\"options\"]))" | grep -q 2' && ok "alice's poll reaches GoToSocial as a poll" || ko "poll missing on GoToSocial"
+pp_poll_on_gts=$(on_gts "$pp_poll" | j "print(d['statuses'][0]['poll']['id'])")
+gcurl -s -o /dev/null -X POST -H "$GH" "$G/api/v1/polls/$pp_poll_on_gts/votes" -d 'choices[]=1'
+pp_poll_id=$(curl -s -H "$PH" "$P/api/v1/timelines/home" | j "print(next(s['id'] for s in d if s['poll'] and s['uri']=='$pp_poll'))")
+until_true 20 '[ "$(curl -s -H "$PH" "$P/api/v1/polls/$pp_poll_id" | j "print(d[\"options\"][1][\"votes_count\"])")" = "1" ]' && ok "gtsuser's vote counts on PrivaPub" || ko "vote not counted on PrivaPub"
+gts_poll=$(gcurl -s -X POST -H "$GH" $G/api/v1/statuses -d 'status=red or blue&visibility=public&poll[options][]=red&poll[options][]=blue&poll[expires_in]=3600' | j "print(d['id'])")
+until_true 20 'curl -s -H "$PH" "$P/api/v1/timelines/home" | j "print(any(s[\"poll\"] and s[\"content\"].find(\"red or blue\")>=0 for s in d))" | grep -q True' && ok "gtsuser's poll reaches alice as a poll" || ko "poll missing on PrivaPub"
+gts_poll_on_pp=$(curl -s -H "$PH" "$P/api/v1/timelines/home" | j "print(next(s['poll']['id'] for s in d if s['poll'] and 'red or blue' in s['content']))")
+curl -s -o /dev/null -X POST -H "$PH" "$P/api/v1/polls/$gts_poll_on_pp/votes" -d 'choices[]=0'
+until_true 20 '[ "$(gcurl -s -H "$GH" "$G/api/v1/statuses/$gts_poll" | j "print(d[\"poll\"][\"options\"][0][\"votes_count\"])")" = "1" ]' && ok "alice's vote counts on GoToSocial" || ko "vote not counted on GoToSocial"
+
 echo "edits and deletes"
 curl -s -o /dev/null -X PUT -H "$PH" $P/api/v1/statuses/$pp_post -d 'status=Hello from PrivaPub, edited'
 until_true 20 'gcurl -s -H "$GH" "$G/api/v1/statuses/$pp_on_gts" | grep -q "edited"' && ok "alice's edit reaches GoToSocial" || ko "edit not applied"