Merge prgs/master into feat/issue-650-providers-insights. Conflicts in
webui/app.py, webui/nav.py, and docs/webui-local-dev.md kept both:
- #650 providers/insights routes and docs
- #645 gitea linkage routes and docs
Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
Add Phase 4 advisory surfaces for declared AI-provider connection status
(no secrets, no live probe claims) and operational insights derived only
from durable traffic, health, provider, and analytics evidence.
Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>