[breaking] Azure AI Foundry retires DeepSeek-R1-0528, DeepSeek-V3-0324, DeepSeek-V3.1 on 2026-07-13

Azure AI Foundry lists DeepSeek-R1-0528, DeepSeek-V3-0324, DeepSeek-V3.1 as legacy with retirement on 2026-07-13; suggested replacements: DeepSeek-V4-Pro, DeepSeek-V4-Flash. Azure retirement dates are platform-specific and may differ from the model provider's own schedule. The page does not date the announcements; announced_at reflects the page capture date. Effective: 2026-07-13. Affected: microsoft/DeepSeek-R1-0528, microsoft/DeepSeek-V3-0324, microsoft/DeepSeek-V3.1. Severity: breaking. Verification: verified.