📋 Description

Push GitHub events to Discord channels.

🎯 Goals

Support the following event notifications:

• PR created/merged/closed
• Issue created/closed
• CI run status changes
• Release published
• Push events

📦 Technical Design

1. Create GitHub Webhook receiving endpoint
2. Parse Webhook Payload
3. Format and send to Discord channel

// Webhook handler
async fn handle_github_webhook(payload: GitHubPayload) {
    match payload.event_type {
        "pull_request" => send_pr_notification(&payload).await,
        "issues" => send_issue_notification(&payload).await,
        "workflow_run" => send_ci_notification(&payload).await,
        _ => {}
    }
}

✅ Acceptance Criteria

• Webhook receives correctly
• Notification format is nice (Embed)
• Support configuring notification channels
• Support event filtering

📎 Metadata

• Priority: P3
• Module: Notification
• Depends: [Feature] Discord 频道基础实现 #9