diff --git a/vibe-check-runner.js b/vibe-check-runner.js
index f56ee94..644b139 100644
--- a/vibe-check-runner.js
+++ b/vibe-check-runner.js
@@ -244,7 +244,7 @@ async function runVibeCheck() {
   for (const file of modifiedFiles) {
     console.log(`Processing ${file}...`);
 
-    if (!fs.existsSync(file)) {
+    if (!await fileOrDirExists(file)) {
       console.log(`File ${file} does not exist. Skipping.`);
       continue;
     }
@@ -270,7 +270,7 @@ async function runVibeCheck() {
     await syncBenchmarks(tech, mdContent);
 
     const suitePath = path.join('benchmarks', 'suites', `${tech}.json`);
-    if (!fs.existsSync(suitePath)) {
+    if (!await fileOrDirExists(suitePath)) {
       console.log(`No benchmark suite found for ${tech}. Skipping.`);
       continue;
     }
@@ -284,7 +284,7 @@ async function runVibeCheck() {
       continue;
     }
 
-    const sourceFile = project.createSourceFile(`temp_${tech}.ts`, generatedCode, { overwrite: true });
+    const sourceFile = project.createSourceFile(`temp_${tech}_${file.replace(/\//g, '_')}.ts`, generatedCode, { overwrite: true });
     const { total: score, breakdown } = analyzeAST(sourceFile, tech);
 
     console.log(`Fidelity Score for ${file}: ${score}%`);
@@ -305,7 +305,7 @@ async function runVibeCheck() {
         // Only commit if there are changes (badge might already be there)
         const status = execFileSync('git', ['status', '--porcelain'], { encoding: 'utf-8' });
         if (status.includes(file) || status.includes('benchmarks/')) {
-           execFileSync('git', ['commit', '-m', '[chore: benchmark-sync]']);
+           execFileSync('git', ['commit', '-m', '[chore: fidelity-pass]']);
            execFileSync('git', ['push', 'origin', 'HEAD:main']);
         } else {
            console.log(`Badge already present in ${file}, skipping commit.`);