§ The diary · page 1
Latest ideas for the technical mind.
81 articles on web development, tooling, React, JavaScript, and practical frontend work.
Recent writing
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Developer Tools
GitHub Copilot Content Exclusions Across CLI and App
A current implementation guide to GitHub Copilot content exclusions, including CLI and app support, pattern syntax, policy scope, REST auditing, testing, and documented limitations.
Sep 3, 2026· 14 min read
Developer Tools
GitHub Copilot Policy Changes Before September 28
A practical administrator checklist for GitHub Copilot's September 2026 policy convergence, longer chat retention, Balanced code-review default, and October seat-billing changes.
Aug 28, 2026· 13 min read
AI Agents
GitHub Copilot Slack Integration Without Permission Surprises
A production guide to starting GitHub Copilot cloud-agent work from Slack while keeping conversation context, repository permissions, app identity, review rules, and cost controls explicit.
Aug 25, 2026· 13 min read
OpenAI
OpenAI API Regional Processing Without Silent Fallbacks
A production guide to selecting US or EU processing per OpenAI API request while keeping storage, processing, eligibility, and fallback behavior explicit.
Aug 22, 2026· 12 min read
Developer Tools
VS Code Agent Sandboxing Without Unsafe Escapes
A practical security guide to enabling VS Code agent sandboxing, limiting filesystem and network access, controlling elevation, and testing the resulting policy.
Aug 20, 2026· 11 min read
AI Agents
Agent Plugins 1.0 Without Portability Surprises
A production guide to packaging Agent Skills and MCP servers with Agent Plugins 1.0 while keeping client-specific behavior, secrets, and trust controls explicit.
Aug 16, 2026· 12 min read
AI Agents
OpenAI Assistants API Migration Before Shutdown
A production migration plan for replacing Assistants, Threads, Runs, and Run Steps with Responses, Conversations, and Items before the August 26, 2026 shutdown.
Aug 13, 2026· 12 min read
AI Agents
GitHub Copilot Usage Metrics API for Agent Adoption
A practical guide to downloading GitHub Copilot usage reports, measuring third-party agent adoption, and avoiding double-counted or misleading metrics.
Aug 10, 2026· 14 min read
"AI Infrastructure"
Google Cloud API Gateway Model Routing in Production
A production-focused guide to Google Cloud API Gateway model routing, including OpenAPI configuration, IAM, fallback safety, observability gaps, and rollout strategy.
Aug 7, 2026· 12 min read
"Performance"
OpenAI API Fast Mode Without Latency Surprises
A production guide to routing selected OpenAI API requests through Fast mode, measuring the latency benefit, detecting downgrades, and controlling the premium.
Aug 1, 2026· 11 min read