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_seed_placeholders.gd is a one-off generator, not a shipped effect — it belongs with the other headless tooling (bake_crowd_sheet, preview_*), not in the fx/ runtime dir Siim edits. Rename it to tools/seed_fx_placeholders.gd (matching the dir's verb_noun convention) and repoint the two doc-comment references. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Pq1VX2o1ZfiNRdCjD294wf