feat(server): replace bot with webhook for portal channel messages

[skyhancloud]

This pull request introduces a new utility function, sendPortalMessage, to streamline sending messages to the Discord portal channel via webhooks. It also updates the configuration to replace direct channel ID usage with a webhook URL. Documentation and environment configuration files are updated accordingly.

[Copilot]

Pull Request Overview

This PR replaces direct Discord channel sends with a webhook-based utility for portal messages, updates configuration to use a webhook URL, and refreshes docs and env examples accordingly.

• Introduced sendPortalMessage utility
• Replaced client.channels.cache.get(config.portalChannelId).send(...) calls with sendPortalMessage(...) across multiple routes
• Removed old portalChannelId config, added DISCORD_PORTAL_CHANNEL_WEBHOOK_URL in env/example and README

Reviewed Changes

Copilot reviewed 17 out of 17 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
server/src/utils/sendPortalMessage.js	New webhook utility for sending portal channel messages
server/src/routes/**	Replaced direct sends with sendPortalMessage in all routes
server/config.yml	Removed portalChannelId entry
server/.example.env	Added DISCORD_PORTAL_CHANNEL_WEBHOOK_URL
README.md	Documented new webhook env var usage

Comments suppressed due to low confidence (2)

server/src/utils/sendPortalMessage.js:1

• There are no unit tests covering this new utility; add tests to verify successful sends and error handling paths.

const Discord = require('discord.js');

server/src/utils/sendPortalMessage.js:13

• The logger object is not defined in this file, leading to a ReferenceError on failures. Import or pass in a logger instance before using it.

logger.error('There was an error while sending a message to the portal channel webhook:');