style:优化代码格式，提高可读性

index.js

@@ -102,7 +102,7 @@ app.post('/hooks/jira', rateLimiter, async (c) => {
         const body = await c.req.json();
         logger.info(`[JIRA HOOK] Received request`, { event: body?.webhookEvent });
 
-        // Jira Webhook通常没有签名头，依赖IP白名单或URL secret参数，此处仅校验结构
+        //Jira Webhook通常没有签名头，依赖IP白名单或URL secret参数，此处仅校验结构
         if (!body || !body.webhookEvent) {
             logger.warn(`[JIRA HOOK] Invalid payload: missing webhookEvent`);
             return c.text('Invalid Jira payload', 400);