The real problem was not the SMTP error itself. It was release clients depending on mail configuration baked into the shipped application.

• SMTP
• API
• WPF
• .NET
• Release Engineering

Why I added OpenAI, Gemini, and MyArchitectAI to a CAD workflow, and the small architecture that kept the feature practical.

• CAD
• AI Rendering
• .NET
• OpenAI
• Gemini

A short practical pattern for storing template content, loading the selected template at startup, and keeping template save and load flows simple.

• Protobuf
• Serialization
• .NET
• Desktop
• Templates