Shape gate is real (no LOD0-2 tile before shape ready, ~180-226 ms) but the shape pool is already ~8/8 busy;
independent 27-tile pages net at most ~62 ms (VS negative). Near-ready today: SW 0.69-0.71 s, VS 0.84-0.99,
TN 1.24-1.37, FI 1.33-1.44 s. No runtime change.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016dhxM43dnWvUu2B5Ph1iG1
