diff --git a/src/verification.ts b/src/verification.ts
index e62c663..4966ae6 100644
--- a/src/verification.ts
+++ b/src/verification.ts
@@ -151,10 +151,14 @@ function readPackageScripts(repoDir: string): Record<string, string> {
 function detectDirectRuntimeVersion(
   command: Pick<VerificationCommandSpec, 'file'>,
 ): string {
+  // The command file may be a bare name ("bun") or a resolved absolute path
+  // ("/home/claude/.bun/bin/bun"); match on the basename so version detection
+  // still fires instead of degrading to "host:<path>".
+  const runtimeName = path.basename(command.file);
   try {
-    switch (command.file) {
+    switch (runtimeName) {
       case 'bun': {
-        const bunVersion = execFileSync('bun', ['--version'], {
+        const bunVersion = execFileSync(command.file, ['--version'], {
           encoding: 'utf-8',
           stdio: ['ignore', 'pipe', 'pipe'],
           timeout: 5000,