Erik d9d69394bb docs(render): spec — portal-flood membership stability (indoor flap root-cause fix) ... Confirmed root cause via primary evidence (determinism test + 6dp jitter probe + retail grounding): the flap is portal-flood set-membership flipping because the drift-prone ClipToRegion vertex count gates membership while the player RenderPosition micro-jitters (~1-8um) into a grazing portal's knife-edge clip. Design: gate membership on a stable side-test + view-region overlap, not the vertex count. Refutes the 2026-06-07 see-through/ EnvCell/outdoor-node handoff (ModelId GfxObj 0x01000A2B is the solid exterior; outside is stable; root is stable 0170). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>		2026-06-08 08:23:34 +02:00
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plans	docs: plan progress — Task 2 done; cutover flip de-risked + precisely specified	2026-06-07 18:36:20 +02:00
specs	docs(render): spec — portal-flood membership stability (indoor flap root-cause fix)	2026-06-08 08:23:34 +02:00