Rendering: tune shadows, SSAO and X-ray reveal pass

PC_RPAsset: shadow distance 50->100, retune cascade4 split, cascade border 0. PC_Renderer: rename the X-ray reveal-through-walls render feature/pass tag, SSAO intensity 0.4->0.35 and radius 0.2->0.125.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Assets/Settings/PC_Renderer.asset

@@ -65,11 +65,11 @@ MonoBehaviour:
   m_Enabled: 1
   m_EditorHideFlags: 0
   m_Script: {fileID: 11500000, guid: 6b3d386ba5cd94485973aee1479b272e, type: 3}
-  m_Name: XRay Reveal (through walls)
+  m_Name: XRay Reveal through walls
   m_EditorClassIdentifier: Unity.RenderPipelines.Universal.Runtime::UnityEngine.Rendering.Universal.RenderObjects
   m_Active: 1
   settings:
-    passTag: XRayReveal
+    passTag: XRay Reveal through walls
     Event: 300
     filterSettings:
       RenderQueueType: 0
@@ -117,9 +117,9 @@ MonoBehaviour:
     AfterOpaque: 0
     Source: 1
     NormalSamples: 1
-    Intensity: 0.4
+    Intensity: 0.35
     DirectLightingStrength: 0.25
-    Radius: 0.2
+    Radius: 0.125
     Samples: 0
     BlurQuality: 0
     Falloff: 100