Writing
Articles
Engineering notes on requirements, architecture, delivery, and personal projects.
Tasuki Keifu: Data Auditing and Source Strategy
A practical policy for athlete-record completeness, provenance, audit trails, source conflicts, and incremental data collection.
Tasuki Keifu V0.2 Product Requirements
A scoped plan for race pages, organization pages, and explainable relationships between athletes.
Tasuki Keifu: GitHub Deployment and Data Synchronization Plan
A deployment and data-management plan separating application releases, schema migrations, production data imports, backups, and recovery.
Tasuki Keifu V0.1: Technical Plan
The initial architecture for a sourced athlete archive, covering the fact model, controlled data imports, multilingual UI, and isolated deployment.
Tasuki Keifu V0.1 Product Requirements
The first product scope: trustworthy athlete profiles for Hakone Ekiden fans, starting with three universities.
Personal Site: Initial Technical Plan
The original scope, content model, and deployment plan for a small Markdown-based personal site.
StablePay Workspace: Technology Inventory
A codebase inventory of a Go microservice and React/Vite payment platform workspace.
AI-Assisted Software Development: My Working Approach
How I clarify requirements, design boundaries, guide implementation, and check quality with AI assistance.
Payout to StablePay Business Account: Technical Design
A proposed cross-service design for account payouts, recipient eligibility, invited claims, real fund movements, compensation, and rollout checks.
Payout to StablePay Account: Funds and Ledger Flows
Six sender-recipient scenarios tracing a 10 USD payout through physical addresses and virtual ledger accounts.