Join destination scheduling to the canonical reveal generation, protect its share across every typed frame-budget dimension, and prevent stale work from clearing a replacement reservation. Remove forced incomplete materialization and project retail's centered portal wait cue while the authored tunnel remains active.
Tests: Release build clean; 91 focused reservation/reveal tests; full solution 8,158 passed, 5 skipped.
Co-authored-by: Codex <noreply@openai.com>
