htekdev.hashnode.devI Let an AI Agent Write 275 Tests. Here's What It Was Actually Optimizing For.275 Tests, One Session, Zero Confidence My AI agent wrote 275 end-to-end tests in a single session. Forty turns. Thirty-four files. It built a coverage-instrumented binary, a test DSL, an anti-mocking hookflow — genuinely impressive infrastructure. I...11h ago·9 min read
htekdev.hashnode.devVisual Studio Weekly: AI Agents Go Deep Into the IDEThe IDE Just Got Smarter — And More Opinionated Visual Studio's February 2026 update (v18.3) doesn't just add features. It changes how AI fits into your workflow. Custom agents are now first-class citizens, Copilot testing for .NET hit GA with natura...1d ago·6 min read
htekdev.hashnode.devVS Code Weekly: Agent Plugins Go Private, Terminal Gets Kitty KeyboardAgent Plugins Break Out of the Marketplace The biggest change this week isn't flashy, but it's significant for teams building custom agent workflows: agent plugins can now be installed from private GitHub repositories, direct git URLs, and local file...2d ago·6 min read
htekdev.hashnode.devGitHub Weekly: Copilot Coding Agent Levels Up, Enterprise AI Gets Real GovernanceGitHub Doubles Down on Agentic Workflows If you blinked this week, you missed five major updates to GitHub's agent ecosystem. Model selection for Copilot coding agent. Self-review before PRs. Built-in security scanning. Enterprise AI controls going G...2d ago·5 min read
htekdev.hashnode.devCopilot CLI Weekly: Safety, Personal Hooks, and GPT-5.4The Week After GA GitHub Copilot CLI hit general availability last week, marking the end of public preview and the start of enterprise production commitments. This week brought three releases—v0.0.421 (March 3), v0.0.422 (March 5), and v0.0.423 (Marc...2d ago·6 min read