clean up

crates/domain/src/aggregates/code_graph.rs

@@ -298,8 +298,11 @@ impl CodeGraph {
             crate_to_module.insert(element.name().to_string(), module);
         }
 
-        let graph_modules: HashSet<String> =
-            self.modules().iter().map(|m| m.as_str().to_string()).collect();
+        let graph_modules: HashSet<String> = self
+            .modules()
+            .iter()
+            .map(|m| m.as_str().to_string())
+            .collect();
 
         for rel in project_graph.relationships() {
             let src_module = crate_to_module.get(rel.source());
@@ -308,8 +311,7 @@ impl CodeGraph {
                 && src != tgt
                 && graph_modules.contains(src)
                 && graph_modules.contains(tgt)
-                && let Ok(edge) =
-                    Relationship::new(src, tgt, RelationshipKind::Composition)
+                && let Ok(edge) = Relationship::new(src, tgt, RelationshipKind::Composition)
             {
                 self.add_relationship(edge);
             }

crates/domain/src/aggregates/normalized_graph.rs

@@ -44,9 +44,7 @@ impl NormalizedGraph {
         self.0.modules()
     }
 
-    pub fn elements_by_module(
-        &self,
-    ) -> (HashMap<String, Vec<&CodeElement>>, Vec<&CodeElement>) {
+    pub fn elements_by_module(&self) -> (HashMap<String, Vec<&CodeElement>>, Vec<&CodeElement>) {
         self.0.elements_by_module()
     }
 

crates/domain/src/lib.rs

@@ -13,6 +13,6 @@ pub use value_objects::graph::{CodeElementKind, RelationshipKind, Visibility};
 pub use value_objects::output::{DiagramLevel, OutputConfig, RenderOutput, RenderedFile};
 pub use value_objects::rules::{BoundaryRule, RuleKind, RuleViolation, check_boundary_rules};
 pub use value_objects::source::{
-    FilePath, Language, ModuleAssignment, ModuleName, SourceFile,
-    normalize_cargo_package, normalize_python_package,
+    FilePath, Language, ModuleAssignment, ModuleName, SourceFile, normalize_cargo_package,
+    normalize_python_package,
 };

crates/domain/tests/code_graph_tests.rs

@@ -353,5 +353,8 @@ fn module_edges_excludes_intra_module_relationships() {
     let graph = graph.qualify();
     let edges = graph.module_edges();
 
-    assert!(edges.is_empty(), "intra-module relationships should not produce edges");
+    assert!(
+        edges.is_empty(),
+        "intra-module relationships should not produce edges"
+    );
 }

crates/domain/tests/policy_tests.rs

@@ -89,7 +89,12 @@ fn merge_project_edges_ignores_crates_with_no_matching_module() {
         .unwrap(),
     );
     project_graph.add_relationship(
-        Relationship::new("external-lib", "myapp-domain", RelationshipKind::Composition).unwrap(),
+        Relationship::new(
+            "external-lib",
+            "myapp-domain",
+            RelationshipKind::Composition,
+        )
+        .unwrap(),
     );
 
     graph.merge_project_edges(&project_graph);