Patch ver 1.0.18: Parallel creature processing, frenzy cloud overhaul — Mycelium Conquest Steam update #742350

Summary: This update introduces multi-threaded simulation dispatch, allowing independent subsystems and creature updates to run in parallel across worker threads with automatic core detection and graceful fallback on low-end hardware. Several player-reported bugs were fixed: ESC now properly closes build menus before pausing, audio no longer screeches during mass attacks, and Steam achievements unlock correctly again. The frenzy particle system was also reworked with per-organism staggered emission, reduced counts, and improved fade timings.Changes:Fixed ESC key not properly closing build menus before pausingFixed audio screeching when many entities attack simultaneouslyReworked frenzy particle system — per-organism staggered emission instead of global bursts, removed particle cap, reduced particle counts, and fixed fade timingsAdded multi-threaded simulation dispatch — independent subsy...