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The fundamental structures of a software system.

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926 Steps, Two Lobotomies, and Zero Nudges: Flight-Testing the Commitment Machine Across Gemini, Claude, and GPT-OSS

Unix flat-files beat memory compaction

926 Steps, Two Lobotomies, and Zero Nudges: Flight-Testing the Commitment Machine Across Gemini, Claude, and GPT-OSS

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16 min read
[Agent Platform in Practice (4)] Towards Cloud Two-layer Decoupling and Full Persistence: Completing the LINE AI Business Card M

[Agent Platform in Practice (4)] Towards Cloud Two-layer Decoupling and Full Persistence: Completing the LINE AI Business Card M

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15 min read
[Agent Platform in Practice (5)] Building an AI Agent Quality Flywheel: Automated Benchmarking for LINE AI Business Card King wi

[Agent Platform in Practice (5)] Building an AI Agent Quality Flywheel: Automated Benchmarking for LINE AI Business Card King wi

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12 min read
Choosing a stack by proof of concept

Choosing a stack by proof of concept

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4 min read
MySQL as a Workflow Engine: Building an LLM Prompt Gate

MySQL as a Workflow Engine: Building an LLM Prompt Gate

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9 min read
The Dual-Write Problem in Distributed Systems: Implementing the Transactional Outbox Pattern in Node.js & PostgreSQL

The Dual-Write Problem in Distributed Systems: Implementing the Transactional Outbox Pattern in Node.js & PostgreSQL

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12 min read
Designing an AI Gateway from Scratch: Routing, Failover, and Cost Control

Designing an AI Gateway from Scratch: Routing, Failover, and Cost Control

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5 min read
Let the model write, not compute: lessons from an MCP coach

Let the model write, not compute: lessons from an MCP coach

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4 min read
The right position at the wrong time

The right position at the wrong time

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6 min read
When Should an AI Agent Stop?

When Should an AI Agent Stop?

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3 min read
Modeling PayPal's Tiered Dispute Fee With a Trailing-Window Monitor

Modeling PayPal's Tiered Dispute Fee With a Trailing-Window Monitor

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6 min read
The Model Is Not the Bottleneck. The Routing Is.

The Model Is Not the Bottleneck. The Routing Is.

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5 min read
No Sqwakie server in the middle: how Sqwakie keeps a team's coding agents in sync with a signed, replicated log

No Sqwakie server in the middle: how Sqwakie keeps a team's coding agents in sync with a signed, replicated log

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8 min read
Moving a notes library between iPhones without a server or iCloud

Moving a notes library between iPhones without a server or iCloud

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3 min read
Soberanía de datos y arquitectura abierta en plataformas gubernamentales: principios de diseño

Soberanía de datos y arquitectura abierta en plataformas gubernamentales: principios de diseño

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7 min read
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