feat: Issue resolution confirmation button and rag solution dialog

[sachmii]

Summary

‼️ Based on PR #67 ‼️

• Added a "Mark as Resolved" button to the incident insights panel.
• Created a new ResolveModal dialog offering two resolution paths:
  • Option A: Simple close (resolves the incident directly).
  • Option B: Custom RAG feedback (lets you input details of the fix to submit to the Retrieval-Augmented Generation knowledge base).
  • Added state handling to display a "✓ Resolved" badge upon completion and trigger a auto-dismissing toast notification (3-second duration).
  • Implemented submitRagDocument() in the API client, routing custom fixes to POST /api/v1/rag/documents.
• Added corresponding test suite for dialog

Component

• Client: client/
• API contract: api/
• Spring ingestion: services/spring-ingestion/
• Spring logbook: services/spring-logbook/
• Spring alerts: services/spring-alerts/
• GenAI: services/py-intelligence/
• Infrastructure: infra/
• CI/CD: .github/workflows/
• Documentation

API Impact

• This changes the API.
• api/openapi.yaml was updated.
• This does not change the API.

Testing

• I tested this locally.
• I added or updated tests.
• Tests are not applicable for this change.

Checklist

• Branch name follows (feat|fix)/(issue_id)/(name_of_issue).
• The change is limited to the intended component(s).
• Documentation was updated if needed.

Related Issue

Closes #53