Make initial login and portal arrival consume one WorldRevealReadinessBarrier that joins near-tier mesh publication, destination composite uploads, and collision residency before normal world geometry becomes visible. This ports retail SmartBox's blocking-cell completion edge into the asynchronous client instead of exposing a ground-only login.
Add focused outdoor, indoor, texture, and invalid-claim tests; update the retail pseudocode, architecture, divergence record, issue ledger, roadmap baseline, and synchronized agent guidance.
Co-authored-by: OpenAI Codex <codex@openai.com>