Writing archive

Writing in 2026.

Writing organized by creation date.

From Startup Work to Trading

A reflection on how supply and demand, entry and exit, and resource commitments connect company building with financial trading.

Short

6 min read

  • #Decision Making
  • #Product
  • #Strategy

AI Gateway: From Backend Scheduling to Cost Governance

Using multi-backend model access as the setting, this article explains how an AI Gateway handles resource scheduling, capacity control, failure switching, distributed state, usage accounting, and enterprise cost governance.

Short

16 min read

Part of the column “Technical Systems” · Chapter 9

  • #AI
  • #Architecture
  • #Systems Design

Keeping Differences at the Configuration Layer: Architecture for a Multi-Domain Platform

Content, search, commerce, and growth systems repeatedly face the same challenge across multiple countries, industries, and scenarios: how to reuse stable capabilities while keeping business expressions distinct. How should boundaries be drawn between configuration, protocols, components, and orchestration?

Short

12 min read

Part of the column “Technical Systems” · Chapter 8

  • #Architecture
  • #Systems Design
  • #Technical Planning

Where Exactly Is the Cache? Locality in a Multi-Layer Execution Service

Using a multi-layer execution service as an example, this article breaks down the multiple levels of locality across request identity, edge routing, execution resources, and backend caches, then presents reusable approaches to routing, invalidation, failover, and observability.

Short

13 min read

Part of the column “Technical Systems” · Chapter 7

  • #Performance
  • #Systems Design
  • #Algorithms

From One Request to a Multi-Node Execution System: How the Architecture Evolves

Starting from the fault structure of a multi-node execution system, this article reviews how requests, state, storage, performance, and failures gradually cross boundaries, and discusses how the next architecture should be reorganized.

Short

19 min read

Part of the column “Technical Systems” · Chapter 6

  • #Systems Design
  • #Architecture
  • #Distributed Work

AI Writes Well, But Is This Really What I Mean?

A personal reflection on using AI: it can make facts, feelings, and reasoning I already have much clearer, but it cannot replace the accumulation of knowledge or the formation of judgment. It can also leave me feeling pushed along by content and an intensified work state.

Short

5 min read

  • #AI
  • #Writing
  • #Agency

A Data Center Is Not a Report: From Data Production to Business Judgment

Starting from the different questions asked by analysis, operations, and engineering, this article organizes how a data center for a multi-source business platform should divide Tabs, define metrics, structure read and write paths, and handle billing, reconciliation, growth, and cost.

Short

22 min read

  • #Data
  • #Metrics
  • #Systems Design

AI Does Not Automatically Create Productivity: From Local Acceleration to System Value

Starting from a multi-system integration experience, this essay distinguishes creation, task efficiency, organizational productivity, and business value—and asks where value and cost actually come from when AI enters a complex system.

Short

5 min read

Part of the column “Engineering & AI Judgment” · Chapter 10

  • #AI
  • #Developer Productivity
  • #Systems

People, Work, and Money: The Operating Structure Managers of Managers Must Understand

A framework for understanding how an organization distributes people decisions, problem and priority decisions, budgets, and capacity—and for seeing what a manager of managers can decide, negotiate, or escalate.

Short

7 min read

Part of the column “Managing Managers & Multi-Team Outcomes” · Chapter 2

  • #Management
  • #Leadership
  • #Organization

Keywords and Content Scale: From Demand to Page Governance

A content supply and retirement system for keyword expansion, existing content, multilingual pages, and AI-assisted production.

Case

2 min read

Part of the column “Search Engine Growth” · Chapter 5

  • #SEO
  • #Writing
  • #AI

Indexing, Submission, and Recovery: Reliable Search Operations

A recoverable URL state machine and an incident workflow for separating submission, crawling, indexing, and algorithm context.

Case

3 min read

Part of the column “Search Engine Growth” · Chapter 4

  • #SEO
  • #Engineering
  • #Reliability

The SEO Search Map: From Discovery to Value

A project-based introduction to discovery, crawling, indexing, clicks, and business conversion.

Case

3 min read

Part of the column “Search Engine Growth” · Chapter 1

  • #SEO
  • #Engineering
  • #Learning

Governance Boundaries for Managers of Managers

How safety, fairness, evidence, dissent, and accountability constrain authority when managers of managers control outcomes and resources.

Short

2 min read

Part of the column “Managing Managers & Multi-Team Outcomes” · Chapter 6

  • #Leadership
  • #Management
  • #Organization

Managing Teams as a Manager of Managers: Authority and Resources

How a manager of managers can coordinate frontline managers, make cross-team choices, and use authorization and resources without taking back daily management.

Short

3 min read

Part of the column “Managing Managers & Multi-Team Outcomes” · Chapter 3

  • #Leadership
  • #Management
  • #Mentoring

Why Manage Managers, and What Kind of Person Fits the Role?

Why a manager of managers is needed, what complexity the role must carry, and how to judge whether a person fits that responsibility.

Short

3 min read

Part of the column “Managing Managers & Multi-Team Outcomes” · Chapter 1

  • #Leadership
  • #Management
  • #Organization

Retaining and Replacing Frontline Managers

How a manager of managers builds durable succession by transferring capability, relationships, and outcomes rather than preserving empty positions.

Short

1 min read

Part of the column “Managing Managers & Multi-Team Outcomes” · Chapter 5

  • #Leadership
  • #Management
  • #Growth

My DSH Workbench: Nine Plugins

DSH has been out only a few days, and I've already installed nine plugins on it. Notes on what each one fills in, how it works, and which one is the most useful.

Short

5 min read

  • #Technology
  • #Agent Systems
  • #Developer Productivity

Business Model Canvas: Nine Boxes

Business Model Canvas explained through nine questions: what each box answers, how the pieces fit together, and why a project's needs change across company stages.

Method

5 min read

  • #Strategy
  • #Product Thinking
  • #Decision Making

Three Lenses on One Project: Canvas, Pitch, Due Diligence

A note on a distinction: the business model canvas is 'made for yourself,' the startup pitch is 'told to others,' and investor due diligence is 'others scrutinizing you'; the three differ completely in purpose, focus, and framing — don't mix them up.

Method

5 min read

  • #Strategy
  • #Product Thinking
  • #Decision Making

Thinking Training (4): Structured Thinking in Practice

A hands-on companion to the Five Lenses method: four scenarios — interview, promotion, reporting, and cross-team collaboration — show how to apply the structured tools and the Five Lenses to real problems.

Short

3 min read

Part of the column “Thinking Practice” · Chapter 4

  • #Thinking
  • #Problem Framing
  • #Decision Making

A Fresh Start

This site is being rebuilt from an old static blog into a personal publication about technology, work, and life — and it also records the trade-offs made along the way.

Method

4 min read

  • #Site Notes
  • #Field Notes

Departure Under Sunlit Flames

A farewell, reflection, and word of thanks at the end of an eight-and-a-half-year career journey.

Short

2 min read

  • #Career Growth
  • #Reflection
  • #Leadership