Classify the thread visibility migration in the lineage

The visibility column landed without its lineage entry, so the baseline
map no longer partitioned every migration and the lineage test was red
on main.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GoYpb8FEmdxVErsv7ABCYi

Co-Authored-By

Claude Fable 5 <noreply@anthropic.com>

Claude-Session

https://claude.ai/code/session_01GoYpb8FEmdxVErsv7ABCYi

Deploy story

What this commit did to the running system — joined from the forge receipt chain, the part a commit page elsewhere cannot show.

pushed

by user · WAL seq 312 · 2026-08-24T21:12:59.989765Z

Changed files

• modified priv/migration_lineages/prior-2026-08-19.json

Diff

1 file changed, +2 -1

    20260824043735,

    20260824184030,

    20260824203139,

    20260824204740

    20260824204740,

    20260824210500

  ],

  "required_tables": [

    "users",