Run Re-Do

Assets/_Project/Scripts/Client/Presentation/WorldAtmosphereSystem.cs

@@ -37,6 +37,30 @@ namespace ProjectM.Client
             Color expFog = cfg != null ? cfg.ExpeditionFogColor : new Color(0.851f, 0.549f, 0.227f, 1f);
             float expDen = cfg != null ? cfg.ExpeditionFogDensity : 0.010f;
             Color expAmb = cfg != null ? cfg.ExpeditionAmbientSky : new Color(0.910f, 0.769f, 0.604f, 1f);
+            // Step 14 (expedition redesign): the EXPEDITION-side palette keys on the replicated per-room biome
+            // (RunInfo.CurrentBiome) so every room re-themes — the camera-X blend still owns the base↔run fade.
+            // Palettes are code consts (cosmetic; per-biome config knobs can layer on later without churn).
+            if (SystemAPI.TryGetSingleton<ProjectM.Simulation.RunInfo>(out var runInfo)
+                && runInfo.Lifecycle != ProjectM.Simulation.RunLifecycle.Staging)
+            {
+                switch (runInfo.CurrentBiome)
+                {
+                    case ProjectM.Simulation.RoomBiomeId.Meadow:
+                        expFog = new Color(0.62f, 0.82f, 0.62f, 1f); expDen = 0.008f;
+                        expAmb = new Color(0.68f, 0.88f, 0.70f, 1f);
+                        break;
+                    case ProjectM.Simulation.RoomBiomeId.Cavern:
+                        expFog = new Color(0.42f, 0.48f, 0.60f, 1f); expDen = 0.014f;
+                        expAmb = new Color(0.50f, 0.56f, 0.72f, 1f);
+                        break;
+                    case ProjectM.Simulation.RoomBiomeId.Blight:
+                        expFog = new Color(0.55f, 0.42f, 0.62f, 1f); expDen = 0.016f;
+                        expAmb = new Color(0.62f, 0.50f, 0.70f, 1f);
+                        break;
+                    // Arid keeps the config/default orange above.
+                }
+            }
+
 
             float x = _cam.transform.position.x;
             float t = Mathf.Clamp01((x - (boundary - half)) / (2f * half));