fix(routes): complete post-refactor dependency wiring cleanup

dashcaddy-api/self-updater.js

@@ -88,7 +88,7 @@ class SelfUpdater extends EventEmitter {
       let commit = null;
       try {
         commit = fs.readFileSync(path.join(__dirname, 'VERSION'), 'utf8').trim();
-      } catch (_) {}
+      } catch { /* ignore */ }
       return { version: pkg.version, commit };
     } catch (e) {
       return { version: '0.0.0', commit: null };
@@ -164,7 +164,7 @@ class SelfUpdater extends EventEmitter {
       } catch (dlErr) {
         console.warn('[SelfUpdater] Primary download failed:', dlErr.message, '— trying mirror');
         // Ensure file is fully cleaned up before mirror attempt
-        try { fs.unlinkSync(tarballPath); } catch (_) {}
+        try { fs.unlinkSync(tarballPath); } catch { /* ignore */ }
         await this._downloadFile(mirrorUrl, tarballPath);
       }
 
@@ -473,7 +473,7 @@ class SelfUpdater extends EventEmitter {
         const sub = path.join(baseDir, entry, name);
         if (fs.existsSync(sub)) return sub;
       }
-    } catch (_) {}
+    } catch { /* ignore */ }
     return null;
   }
 
@@ -512,7 +512,7 @@ class SelfUpdater extends EventEmitter {
   async _cleanDir(dir) {
     try {
       await fsp.rm(dir, { recursive: true, force: true });
-    } catch (_) {}
+    } catch { /* ignore */ }
     await fsp.mkdir(dir, { recursive: true });
   }
 }