Dear Railway Support Team,

I am experiencing a critical issue with my Line Webhook routing that I believe is infrastructure-related, as I have exhausted all application-level fixes.

Project ID:[YOUR RAILWAY PROJECT ID]

Issue Details:

1. I deployed a new service (line-bot-report) and configured the Line Webhook URL to point to its new Public Domain ([line-bot-report-production.up.railway.app]).

2. I have confirmed that the old service (web) has been deleted from the project.

3. Despite multiple redeployments with drastically different code (testing SDK 1.x and SDK 0.x logic), the Webhook traffic consistently seems to be intercepted by a "ghost" instance running my old code.

Decisive Log Evidence (from the new line-bot-report service logs):

When I send a test message, the logs still show output from the old codebase's log strings, confirming the traffic is being misrouted:

程式碼片段

--- START: Webhook Received (Old SDK). Body Length: [793] ---
--- SUCCESS: Line SDK (Old) Reached Python Code Layer. Message: 測試 ---
SUCCESS REPLY (Old SDK): Bot 成功響應！(舊版SDK)
Webhook handler executed successfully with old SDK.

Request for Assistance:

Could you please check the underlying network/routing configuration for my project? I suspect there might be a residual route, a load balancer cache entry, or an IP mapping stuck from the deleted service (web or web-production-fe2a.up.railway.app) that is incorrectly handling the Line Webhook POST requests.

Thank you for your urgent assistance.

Sincerely, [Your Name/Username]