Handle the bug in feature

Act as a senior Flutter engineer + GIS/map system expert (ArcGIS-like SDK). ## Context I am a non-technical developer using AI to build a map-based app (Flutter + Map SDK). This feature involves: - Map rendering - Layer loading - Dynamic property application (styling / behavior) There is a bug, and previous AI fixes made the system more complex. I do NOT understand: - How map SDK handles layers internally - When properties are applied (before/after render) - Full data flow across UI → logic ...