chore: fix clippy warnings and run rustfmt

server/src/handlers/graph.rs

@@ -63,16 +63,17 @@ impl<'a> GraphQueryBuilder<'a> {
             }
             nodes_at_current_depth -= 1;
             if current_depth < self.max_depth
-                && let Some(neighbors) = adj.get(current) {
-                    for &(neighbor, rel_type, is_inverse) in neighbors {
-                        if !visited.contains(neighbor) {
-                            visited.insert(neighbor);
-                            parents.insert(neighbor, (current, rel_type, is_inverse));
-                            queue.push_back(neighbor);
-                            nodes_at_next_depth += 1;
-                        }
+                && let Some(neighbors) = adj.get(current)
+            {
+                for &(neighbor, rel_type, is_inverse) in neighbors {
+                    if !visited.contains(neighbor) {
+                        visited.insert(neighbor);
+                        parents.insert(neighbor, (current, rel_type, is_inverse));
+                        queue.push_back(neighbor);
+                        nodes_at_next_depth += 1;
                     }
                 }
+            }
             if nodes_at_current_depth == 0 {
                 current_depth += 1;
                 nodes_at_current_depth = nodes_at_next_depth;
@@ -997,13 +998,14 @@ impl McpTool for GetSubgraphHandler {
 
             while let Some((curr, d)) = queue.pop_front() {
                 if d < depth
-                    && let Some(neighbors) = adj.get(curr) {
-                        for &next in neighbors {
-                            if visited.insert(next.to_string()) {
-                                queue.push_back((next, d + 1));
-                            }
+                    && let Some(neighbors) = adj.get(curr)
+                {
+                    for &next in neighbors {
+                        if visited.insert(next.to_string()) {
+                            queue.push_back((next, d + 1));
                         }
                     }
+                }
             }
 
             let ent: std::collections::HashMap<String, crate::models::Entity> = visited
@@ -1176,9 +1178,11 @@ impl McpTool for ResolveStaleSymbolsHandler {
         state.modify_graph(|g| {
             for name in g.entities.keys() {
                 if let Some(target) = &req.target
-                    && name != target && !name.contains(target) {
-                        continue;
-                    }
+                    && name != target
+                    && !name.contains(target)
+                {
+                    continue;
+                }
                 checked += 1;
                 let path = std::path::Path::new(name);
                 if (name.contains('/') || name.contains('\\') || name.contains('.'))