The floor asks the seat's versions, bridge_tags and indexer_requirements; a silent source is named in the
floor finding and woken by an event of that source (the holder's published, the forge bridge's next message, the
indexer's next manifest-accepted) or its module's condition clearing, or by hand (builder_floor_again), never by
a timer (design 51 *The floor*, ADR 0617 §1). The old form's window (ADR 0624 §1-§3, ADR 0618 §2): each counted
engine gets the newest form it reads among those written, the new form only once every present engine states
it, the oldest kept in the single reference; a node not serving manifest-reads counts as the baseline; a node
dropped by hand counts no more; old-form-closed is said once, and a node holding it seven days is a finding.
Claude-Session: https://claude.ai/code/session_01JG73KJNrH5EgFXMKKYSrig
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