fix(rust-binary-locator): auto-fix missing execute permission for located Rust binaries

ts/classes.rustbinarylocator.ts

@@ -124,7 +124,16 @@ export class RustBinaryLocator {
       await plugins.fs.promises.access(filePath, plugins.fs.constants.X_OK);
       return true;
     } catch {
-      return false;
+      // File may exist but lack execute bit (common after npm/pnpm install).
+      // Try to make it executable.
+      try {
+        await plugins.fs.promises.access(filePath, plugins.fs.constants.F_OK);
+        await plugins.fs.promises.chmod(filePath, 0o755);
+        this.logger.log('info', `Auto-fixed missing execute permission on: ${filePath}`);
+        return true;
+      } catch {
+        return false;
+      }
     }
   }