Devlog posts for petriarch, newest first.https://brac.dev/en-ushttps://brac.dev/log/petriarch-trade-across-the-dead-zone/https://brac.dev/log/petriarch-trade-across-the-dead-zone/The first authored social layer: supply-scent, a provisioning gate, and a round-trip carry cycle turn two isolated societies into trading partners.Tue, 30 Jun 2026 00:00:00 GMThttps://brac.dev/log/petriarch-webgpu-tier-a/https://brac.dev/log/petriarch-webgpu-tier-a/Every per-agent Tier A pass moves to WGSL compute kernels, verified against the CPU golden reference, scaling the sim to 20k agents on an RTX 3090.Fri, 26 Jun 2026 00:00:00 GMT