§ The diary · page 1
Latest ideas for the technical mind.
84 articles on web development, tooling, React, JavaScript, and practical frontend work.
Recent writing
Page 1 / 9
AI Agents
AI Agents
VS Code Automations Without Unsafe Surprises
A production-minded guide to scheduling recurring VS Code agent tasks without overlapping runs, unsafe permissions, unreliable catch-up behavior, or unreviewed code changes.
Sep 12, 2026· 14 min read
Performance
OpenAI Prompt Cache Diagnostics Without Guesswork
A practical guide to comparing Responses API requests, interpreting cache-miss reasons, and preventing small request changes from quietly increasing latency and cost.
Sep 9, 2026· 13 min read
JavaScript
OpenAI Async Tool Calling Without Lost Results
A production implementation guide to OpenAI async tool calling, covering the Responses API contract, durable job registries, late-result delivery, failure recovery, wait tools, and compatibility limits.
Sep 6, 2026· 13 min read
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