style(quarto-yaml-validation): apply cargo fmt

Pre-existing rustfmt drift on main (multi-line assert!, closure body
wrapping) that landed because CI has no fmt gate. Applying the
formatting so the tree is `cargo fmt --all -- --check` clean, ahead of
adding the CI gate that would otherwise fail on this debt.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: cscheid

crates/quarto-yaml-validation/src/diagnostic.rs

@@ -628,7 +628,10 @@ object:
         let vd = ValidationDiagnostic::from_validation_error(&error, &source_ctx);
         let compact = vd.to_compact();
         assert!(compact.starts_with("[Q-1-10] (root): Missing required property 'version'"));
-        assert!(!compact.contains('\n'), "compact output must be a single line");
+        assert!(
+            !compact.contains('\n'),
+            "compact output must be a single line"
+        );
     }
 
     #[test]

crates/quarto-yaml-validation/src/validator.rs

@@ -192,7 +192,9 @@ fn validate_generic(
     // Bind this schema node's `errorMessage` (if any) for the duration of its
     // validation, so any failure raised here picks it up as a custom hint.
     let hint = schema.annotations().error_message.as_deref();
-    context.with_custom_hint(hint, |context| validate_generic_inner(value, schema, context))
+    context.with_custom_hint(hint, |context| {
+        validate_generic_inner(value, schema, context)
+    })
 }
 
 fn validate_generic_inner(

crates/quarto-yaml-validation/tests/integration/validation_diagnostic.rs

@@ -347,7 +347,10 @@ string:
     let registry = quarto_yaml_validation::SchemaRegistry::new();
 
     let result = validate(&doc, &schema, &registry, &source_ctx);
-    assert!(result.is_err(), "Validation should fail for pattern mismatch");
+    assert!(
+        result.is_err(),
+        "Validation should fail for pattern mismatch"
+    );
 
     let error = result.unwrap_err();
     assert_eq!(
@@ -366,7 +369,9 @@ string:
         "the authored errorMessage should be the only hint"
     );
     assert!(
-        !hints.iter().any(|h| h.contains("matches the expected format")),
+        !hints
+            .iter()
+            .any(|h| h.contains("matches the expected format")),
         "the generic pattern hint must not appear"
     );
 
@@ -414,7 +419,10 @@ string:
     assert!(result.is_err());
 
     let error = result.unwrap_err();
-    assert_eq!(error.custom_hint.as_deref(), Some("must be a lowercase identifier"));
+    assert_eq!(
+        error.custom_hint.as_deref(),
+        Some("must be a lowercase identifier")
+    );
 
     let diagnostic = ValidationDiagnostic::from_validation_error(&error, &source_ctx);
     assert_eq!(