Technical notes for builders
I write about developer tools, Rustzen products, AI-assisted workflows, and practical engineering notes.
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What Two Months of Heavy Codex Use Actually Left Me With
How Codex went from a coding tool to an engineering agent in my workflow, and what I learned from building reusable Skills and evolving rustzen-admin.
- PromptsP
Frontend–Backend API Contract Review Prompt
Trace backend routes, request parameters, response shapes, frontend clients, types, and page usage to find contract mismatches with file-level evidence.
- PromptsP
My Codex Work Configuration: Unifying Rules, Skills, and Task Artifacts
How I maintain global rules, repository instructions, Skills, task artifacts, and public configuration without duplication or drift.
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Conversation Review Prompt
Turn accessible conversation records into grounded progress, decisions, reusable lessons, open loops, and next actions.
- PromptsP
Scheduled Topic Digest Prompt
Use configurable topics, evidence windows, and source rules to produce recurring, deduplicated, action-oriented research digests.
- SkillsS
idaibin/skills: Independently Installable Software Engineering Skills
The current catalog, installation flow, and composition model for self-contained Agent Skills that do not depend on repository-root files or other Skills.
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From AICraft to idaibin/skills: Why I Removed Part of My AI Asset Library
How AICraft changed from a mixed repository of prompts, standards, and Skills into a catalog of independently installable Agent Skills.
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Should an AI Instruction Become a Prompt, a Skill, or Personal Configuration?
Use scope, triggering, authority, and validation cost to place AI working rules on the right surface without maintaining the same behavior several times.
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How rustzen-admin Changed in a Year: From a Basic Admin App to a Deployable Project Template
A one-year retrospective on rustzen-admin: permissions, storage, repository structure, deployment, frontend changes, and the production problems shaping what comes next.
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Feeds Hub: Turning Information Streams Into Executable AI Automation
Why I built Feeds Hub, and how it connects search, filtering, summaries, cover images, Markdown output, and static publishing into a repeatable workflow.
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Rustzen Series Notes: From Tool Repositories to a Product Portfolio
Notes on recent Rustzen work across rustzen-admin, Zen Clear, Rustzen Zipper, and Rustzen Clipboard: build usable products first, then extract engineering boundaries.
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Why I Still Use Rust to Build the Rustzen Product System
How rustzen-admin evolved from a full-stack admin template into an AI-friendly, local-first engineering base for Rustzen products.
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Zen Clear Tweet Draft: A macOS Disk Analysis Tool for Developers
A short post draft for Zen Clear, focused on developer disk usage, project context, and explainable cleanup.
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Where does your macOS developer disk space go?
A practical look at Xcode DerivedData, Docker data, node_modules, Cargo target directories, IDE indexes, and AI tool caches — and why developer cleanup should start with scan, explanation, and preview before deletion.
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Git Multi-Repository User Identity Auto-Switching and Privacy Protection Guide
Essential skill for modern developers: Use Git includeIf functionality to achieve automatic multi-repository identity switching, support HTTPS/SSH protocols, protect personal privacy, and say goodbye to manual configuration hassles. From GitHub personal projects to corporate intranet repositories, one configuration solves all identity management issues.
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rustzen-admin: React Router Permissions
Complete guide to modern frontend permission systems - implementing fine-grained permission control using React Router + Zustand, including route guards, component permissions, and dynamic menus
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My Rust Backend Journey: A Practical Guide from 0 to 1
As a frontend developer transitioning into Rust backend development, this is an exploration of structure, clarity, and minimalism. From Tauri to Axum, from chaotic stacking to three-layer architecture, this article systematically documents the core concepts and practical path in building the rustzen project, and serves as a development note for my future self.
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rustzen-admin: Permission System Architecture - Complete Implementation of Declarative Permission System Based on Axum
A comprehensive guide to building a modern permission system with Rust Axum - featuring declarative APIs, intelligent caching, and middleware architecture for high-performance access control.
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rustzen-admin: Authentication Security Upgrade - From bcrypt to Argon2
A comprehensive guide to upgrading password security in Rust web applications - migrating from bcrypt to Argon2 with JWT middleware implementation.
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Rust + React Admin Template with Axum, SQLx and Vite – Open Source
A starter template for admin systems built with Rust (Axum) and React, designed for clean architecture and developer productivity.