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Neil
e6930fdbe0
Bounding the removal watermark alongside the receipt ledger reintroduced the defect the watermark exists to prevent: past 512 retracted worktrees, evicting a boundary readmits every pre-close frame it was fencing, and a delayed list resurrects the closed tab. A boundary is not a cache. One number per worktree ever retracted on an environment is the cheaper price, and environment teardown drains it; only the receipt ledger stays bounded, by frame age. Split the orphan-adoption port by provenance so the last writer that disagreed with the surface-standing rule stops disagreeing. `adoptRuntimeTerminalOrphans` replays the persisted binding when the claim already matches it and writes a new one otherwise, and both went through a single `recordSurface` that stamped the current graph sequence — so re-adopting an already-adopted orphan lifted a dropped pane's stale stamp and reported it attached, in a quiet workspace possibly forever. The replay now names the pane without standing and the fresh claim takes spawn standing, like every other writer. Replace a receipt-count assertion that was vacuous for a map keyed by environment and worktree with the mirror state and freshness it was standing in for.