InAdded Logger.LogError in the exception handler of the chat completions streaming endpoint to improve error visibility and debugging.

Checklist

• I fully tested it as developer / designer and created unit / integration tests
• I documented it (or no need to document or I will create a separate documentation issue)
• I worked with the design team to get their idea for UI/UX design (or no need to design for this PR)
• I've assigned reviewer, related labels and set a milestone for this PR

10.0.2 05 January, 2026 abp-module-ai-management enhancement