fix(render): correct lineweight display scaling

Remove the global display boost and scale paper-space lineweights with the current sheet zoom across wire, block-wire, and hatch paths.

Fixes #962

src/shaders/wire.wgsl

@@ -29,7 +29,7 @@ struct Uniforms {
     // every line opaque.
     transparency_enable: f32,
     linetype_scale: f32,
-    _pad: f32,
+    lineweight_scale: f32,
     // ── Relative-to-eye (double-single) ──────────────────────────────────
     // view_rot is the rotation-only view-projection; vertices subtract the eye
     // (eye_high + eye_low, two f32 emulating f64) before transforming, so the
@@ -102,7 +102,7 @@ struct VertexOut {
 fn resolve_hw(taper: f32, world_hw: f32, px_hw: f32) -> f32 {
     if taper > 0.0 { return max(taper / u.world_per_pixel, 0.5); }
     if world_hw > 0.0 { return max(world_hw / u.world_per_pixel, 0.5); }
-    return select(0.5, px_hw, u.lwdisplay_enable > 0.5);
+    return select(0.5, max(px_hw * u.lineweight_scale, 0.5), u.lwdisplay_enable > 0.5);
 }
 
 fn marker_relative(position_high: vec3<f32>, position_low: vec3<f32>, instance: InstanceIn) -> vec3<f32> {