chore: fix formatting and clippy lints

server/src/handlers/ast.rs

@@ -119,11 +119,10 @@ impl McpTool for ReadFileSkeletonHandler {
                             header.push('\n');
                         }
                     }
-                    if header.is_empty() {
-                        if let Some(first_line) = node_text.lines().next() {
+                    if header.is_empty()
+                        && let Some(first_line) = node_text.lines().next() {
                             header = first_line.to_string();
                         }
-                    }
 
                     out.push_str(&indent);
                     out.push_str(header.trim());
@@ -425,11 +424,10 @@ fn scan_workspace_for_symbol(
                 if scanned_files > 500 {
                     break;
                 }
-                if let Ok(meta) = std::fs::metadata(path) {
-                    if meta.len() > 1024 * 1024 {
+                if let Ok(meta) = std::fs::metadata(path)
+                    && meta.len() > 1024 * 1024 {
                         continue;
                     }
-                }
                 if let Ok(content) = std::fs::read_to_string(path) {
                     for (line_num, line) in content.lines().enumerate() {
                         let is_match = if filter_fn_call {