style(pillar): rustfmt 1.95.0 collapse for drift-check format!/array literals

Same canonical-fmt collapse as #188's pillar-branch hotfix: rustfmt
1.95.0 collapses multi-line function-call arguments and small array
literals when they fit within the configured max width.

No behavioral change.

Author: claude

src/hpc/pillar/ogit_lattice.rs

@@ -502,10 +502,7 @@ mod tests {
         );
         src.push_str(&format!("{} a rdfs:Class .\n", names[0]));
         for k in 1..N {
-            src.push_str(&format!(
-                "{} a rdfs:Class ; rdfs:subClassOf {} .\n",
-                names[k], names[parent[k]]
-            ));
+            src.push_str(&format!("{} a rdfs:Class ; rdfs:subClassOf {} .\n", names[k], names[parent[k]]));
         }
         let triples = TurtleParser::parse(&src).unwrap();
         let schema = OntologySchema::from_triples(&triples).unwrap();

src/hpc/pillar/splat_invariants.rs

@@ -464,11 +464,7 @@ mod tests {
         let mut max_abs_err: f32 = 0.0;
 
         for _ in 0..N {
-            let s = [
-                sample_scale_axis(&mut rng),
-                sample_scale_axis(&mut rng),
-                sample_scale_axis(&mut rng),
-            ];
+            let s = [sample_scale_axis(&mut rng), sample_scale_axis(&mut rng), sample_scale_axis(&mut rng)];
             let q = sample_unit_quaternion(&mut rng);
 
             let pillar = covariance_from_scale_quat(s, q);