July 2026 monthly summary for kernelci/dashboard: Delivered unified incident retrieval with last-seen data on issues, improving accuracy of incident timelines and triage efficiency. Refactored the first-seen logic into a generic incident retrieval system to support both first and last occurrence data. Updated the dashboard UI to display first and last seen side-by-side on the issue details page, enabling faster correlation across related incidents. Completed pending schema changes to support the new fields and ensured end-to-end compatibility with the API and UI. All changes were committed under 2069443266a3ad93d17e4e6f38a41262683a8177 with Signed-off-by commits, signaling adherence to code quality and licensing requirements.