v0.8.5

Clean snapshot of tag v0.8.5 (git archive from internal GitLab). 2c8dcb8 2026-10-27 Show a clean 'QCloud2 service temporarily unavailable' message in the QCloud related files panel on 5xx/network errors instead of dumping the raw error body, and suppress the misleading 'Nothing found' lines while the panel is in an error state