A capture the party cannot hold silently falls through to the box; the
new partyFullDestination seam lets a mode claim custody at that moment
instead, and pokemon.caught reports destination "mod" so the mode can
find the mon again. Guarded call site, file-local vanilla, docs and a
public-API modkit case.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01N1DVpYXGabigHqMwviDoKV
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