Register the forum seed migration in the lineage map

The general-board seed migration landed without an entry in the
baseline map's new_versions_to_run, so the lineage partition proof
went red: every migration on disk must be classified before the
bridge can claim to cover it.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RfZq5s3rc6zpnBR75pTQaU

Co-Authored-By

Claude Fable 5 <noreply@anthropic.com>

Claude-Session

https://claude.ai/code/session_01RfZq5s3rc6zpnBR75pTQaU

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 367 · 2026-08-25T12:14:06.280386Z

Changed files

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

Diff

1 file changed, +1 -0

    20260825054906,

    20260825101934,

    20260825102408,

    20260825113454,

    20260825113459

  ],

  "required_tables": [