Add manual suggestion for alerting analysis

[qianheng-aws]

Description

From UX, we need to provide some manual suggestion for alert analysis, instead of using LLM-generated suggestions.

Current suggestions provided by UX is:

1. Provide more data related to this alert.
2. Create an alert to identify similar issues.

Issues Resolved

Check List

• [ ] New functionality includes testing.
  • [ ] All tests pass, including unit test, integration test.
• [ ] New functionality has user manual doc added.
• [x] Commits are signed per the DCO using --signoff.

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