2025-08-04a: Support for o3 and o4-mini

The only significant feature change in this release is the support of the o3 and o4-mini models when using [reasoning.
The other changes were dependency upgrades and a new architecture documentation page.

What's Changed

• Bump urllib3 from 2.2.2 to 2.5.0 in /app/backend by @dependabot[bot] in #2581
• Update README.md with Foundry buttons, RAG Deep Dive link by @pamelafox in #2587
• Bump attrs from 24.2.0 to 25.3.0 by @dependabot[bot] in #2563
• Bump python-dotenv from 1.0.1 to 1.1.1 by @dependabot[bot] in #2588
• Bump requests from 2.32.3 to 2.32.4 in /app/backend by @dependabot[bot] in #2566
• Bump std-uritemplate from 2.0.3 to 2.0.5 by @dependabot[bot] in #2536
• Upgrade h11 dependency by @pamelafox in #2596
• Updates to add latest omni models, upgrade package lock by @pamelafox in #2597
• Bump soupsieve from 2.6 to 2.7 by @dependabot[bot] in #2601
• Bump aiohttp from 3.10.11 to 3.12.14 in /app/backend by @dependabot[bot] in #2606
• Remove conditional Azure login steps and simplify authentication in deployment workflows by @Copilot in #2625
• Fix Dependabot MSAL package upgrade by updating compatible versions by @Copilot in #2632
• Upgrade rapidfuzz from 3.12.1 to 3.13.0 to fix failed Dependabot PR #2504 by @Copilot in #2646
• Fix Vite 7.0.6 upgrade by updating @vitejs/plugin-react to v4.7.0 by @Copilot in #2630
• Add comprehensive Mermaid architecture diagrams for application documentation by @Copilot in #2653
• Revert vite to earlier version for node v20.14 compatibility by @pamelafox in #2657

New Contributors

• @Copilot made their first contribution in #2625

Full Changelog: 2025-06-03...2025-08-04