Fix block details hidden by wipeout masks (#1304)

src/scene/pipeline/mod.rs

@@ -1055,16 +1055,9 @@ impl Pipeline {
                 depth_write_enabled: Some(true),
                 depth_compare: Some(wgpu::CompareFunction::LessEqual),
                 stencil: content_stencil.clone(),
-                // Bias TOWARD the camera: a wipeout must win against geometry at
-                // its own depth (a block's wipeout + shapes are coincident at
-                // Z=0). A positive bias pushed the mask behind, so LessEqual
-                // rejected it and the geometry showed through. Tiny enough that
-                // meaningfully-nearer geometry still occludes the mask.
-                bias: wgpu::DepthBiasState {
-                    constant: -8,
-                    slope_scale: -1.0,
-                    clamp: 0.0,
-                },
+                // The shader already applies draw order. A raster bias can
+                // jump across a block's narrow range and erase its foreground.
+                bias: wgpu::DepthBiasState::default(),
             }),
             multisample: wgpu::MultisampleState {
                 count: MSAA_SAMPLES,