From 48be1286ac0daa8d116084378562483884cafd51 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 10 May 2026 16:25:51 +0000
Subject: [PATCH] =?UTF-8?q?fix:=20address=20CI=20failures=20=E2=80=94=20un?=
 =?UTF-8?q?used=20import,=20Dirent=20types,=20null=20comparison,=20lint,?=
 =?UTF-8?q?=20formatting?=
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Agent-Logs-Url: https://github.com/abhigyanpatwari/GitNexus/sessions/f4b6e20d-8d56-4834-8296-db82af27f8e1

Co-authored-by: magyargergo <11230420+magyargergo@users.noreply.github.com>
---
 .../core/ingestion/languages/c/arity-metadata.ts    | 10 +++++-----
 gitnexus/src/core/ingestion/languages/c/captures.ts |  3 +--
 .../src/core/ingestion/languages/c/header-scan.ts   | 13 +++++++------
 3 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/gitnexus/src/core/ingestion/languages/c/arity-metadata.ts b/gitnexus/src/core/ingestion/languages/c/arity-metadata.ts
index b6d6a7345..0a06d3dfb 100644
--- a/gitnexus/src/core/ingestion/languages/c/arity-metadata.ts
+++ b/gitnexus/src/core/ingestion/languages/c/arity-metadata.ts
@@ -11,7 +11,7 @@ export interface CArityInfo {
  */
 export function computeCDeclarationArity(node: SyntaxNode): CArityInfo {
   // Find the function_declarator child (may be wrapped in pointer_declarator)
-  let funcDecl = findFuncDeclarator(node);
+  const funcDecl = findFuncDeclarator(node);
   if (funcDecl === null) return {};
 
   const paramList = funcDecl.childForFieldName?.('parameters');
@@ -60,7 +60,7 @@ export function computeCDeclarationArity(node: SyntaxNode): CArityInfo {
  */
 export function computeCCallArity(node: SyntaxNode): number {
   const argList = node.childForFieldName?.('arguments');
-  if (argList === null || argList === undefined) return 0;
+  if (argList == null) return 0;
 
   let count = 0;
   for (let i = 0; i < argList.childCount; i++) {
@@ -77,7 +77,7 @@ export function computeCCallArity(node: SyntaxNode): number {
 function findFuncDeclarator(node: SyntaxNode): SyntaxNode | null {
   // Direct child
   let decl = node.childForFieldName?.('declarator');
-  if (decl === null || decl === undefined) {
+  if (decl == null) {
     for (let i = 0; i < node.childCount; i++) {
       const c = node.child(i);
       if (c?.type === 'function_declarator') return c;
@@ -85,9 +85,9 @@ function findFuncDeclarator(node: SyntaxNode): SyntaxNode | null {
     return null;
   }
   // Unwrap pointer_declarator
-  while (decl !== null && decl.type === 'pointer_declarator') {
+  while (decl != null && decl.type === 'pointer_declarator') {
     const next = decl.childForFieldName?.('declarator');
-    if (next === null || next === undefined) break;
+    if (next == null) break;
     decl = next;
   }
   if (decl?.type === 'function_declarator') return decl;
diff --git a/gitnexus/src/core/ingestion/languages/c/captures.ts b/gitnexus/src/core/ingestion/languages/c/captures.ts
index c29417366..1ee52030f 100644
--- a/gitnexus/src/core/ingestion/languages/c/captures.ts
+++ b/gitnexus/src/core/ingestion/languages/c/captures.ts
@@ -95,8 +95,7 @@ export function emitCScopeCaptures(
     }
 
     // Enrich call references with arity
-    const callAnchor =
-      grouped['@reference.call.free'] ?? grouped['@reference.call.member'];
+    const callAnchor = grouped['@reference.call.free'] ?? grouped['@reference.call.member'];
     if (callAnchor !== undefined && grouped['@reference.arity'] === undefined) {
       const callNode = findNodeAtRange(tree.rootNode, callAnchor.range, 'call_expression');
       if (callNode !== null) {
diff --git a/gitnexus/src/core/ingestion/languages/c/header-scan.ts b/gitnexus/src/core/ingestion/languages/c/header-scan.ts
index 6dc7d3903..f74d3fa89 100644
--- a/gitnexus/src/core/ingestion/languages/c/header-scan.ts
+++ b/gitnexus/src/core/ingestion/languages/c/header-scan.ts
@@ -1,4 +1,4 @@
-import { readdirSync, statSync } from 'fs';
+import { readdirSync, type Dirent } from 'fs';
 import { join, relative } from 'path';
 
 /** C header extensions to scan for in the workspace. */
@@ -17,22 +17,23 @@ export function scanHeaderFiles(repoPath: string): ReadonlySet<string> {
 }
 
 function walk(dir: string, root: string, out: Set<string>): void {
-  let entries: ReturnType<typeof readdirSync>;
+  let entries: Dirent[];
   try {
-    entries = readdirSync(dir, { withFileTypes: true });
+    entries = readdirSync(dir, { withFileTypes: true, encoding: 'utf8' });
   } catch {
     return; // permission denied, etc.
   }
   for (const entry of entries) {
-    const full = join(dir, entry.name);
+    const name = entry.name;
+    const full = join(dir, name);
     if (entry.isDirectory()) {
       // Skip common non-source directories
-      if (entry.name === 'node_modules' || entry.name === '.git' || entry.name === 'vendor') {
+      if (name === 'node_modules' || name === '.git' || name === 'vendor') {
         continue;
       }
       walk(full, root, out);
     } else if (entry.isFile()) {
-      const ext = entry.name.slice(entry.name.lastIndexOf('.'));
+      const ext = name.slice(name.lastIndexOf('.'));
       if (HEADER_EXTENSIONS.has(ext)) {
         out.add(relative(root, full));
       }