Phase 1: Add ESLint/Prettier config + baseline auto-fixes

dashcaddy-api/scripts/webhook-handler.js

@@ -31,7 +31,7 @@ let buildRunning = false;
 function log(msg) {
   const line = `[webhook] ${new Date().toISOString()} ${msg}`;
   console.log(line);
-  fs.appendFileSync(LOG_FILE, line + '\n');
+  fs.appendFileSync(LOG_FILE, `${line  }\n`);
 }
 
 function verifySignature(body, signature) {
@@ -39,7 +39,7 @@ function verifySignature(body, signature) {
   const hmac = crypto.createHmac('sha256', SECRET).update(body).digest('hex');
   return crypto.timingSafeEqual(
     Buffer.from(signature),
-    Buffer.from(hmac)
+    Buffer.from(hmac),
   );
 }
 
@@ -124,7 +124,7 @@ const server = http.createServer((req, res) => {
       res.writeHead(200, { 'Content-Type': 'application/json' });
       res.end(JSON.stringify({ accepted: true }));
     } catch (e) {
-      log('Failed to parse webhook payload: ' + e.message);
+      log(`Failed to parse webhook payload: ${  e.message}`);
       res.writeHead(400);
       res.end('Invalid payload');
     }