IDEAS, DECISIONS & LESSONS

Journal

Notes on AI, architecture and building useful products.

279 articles

20 Apr 2026 · 13 min read

Project Setup: BaseAgent, State, and Shared Infrastructure (Part 4 of 12)

Part 4 of 12 — Build the foundation: BaseAgent class, TeamState, agent config YAML, SQLite memory store, and tool registry.

20 Apr 2026 · 42 min read

PO and BA Agents: From Client Brief to User Stories (Part 5 of 12)

Part 5 of 12 — Build the Product Owner and Business Analyst agents. The PO clarifies requirements and defines scope; the BA breaks them into actionable user stories with acceptance criteria. Full implementation with prompts and output schemas.

20 Apr 2026 · 27 min read

QC and TA Agents: Defining Quality and Technical Design (Part 6 of 12)

Part 6 of 12 — Build the QC Engineer and Technical Architect agents. QC writes test cases and acceptance gates before code exists. TA produces the technical spec, architecture decisions, and implementation plan. They run in parallel — the first big optimization in our pipeline.

20 Apr 2026 · 18 min read

The SSE Agent: Code Generation, Self-Testing, and Iteration (Part 7 of 12)

Part 7 of 12 — Build the Senior Software Engineer agent that writes code, runs tests, and iterates until they pass.

19 Apr 2026 · 27 min read

Vibe Coding with Claude: From Idea to Production in One Pair Programming Session

A hands-on account of building, debugging, and shipping real features using Claude Opus 4 as a pair programmer — including the failures, the debugging rabbit holes, and the moments where AI pair programming genuinely shines.

19 Apr 2026 · 32 min read

agentic-ai

Build an Agentic AI System From Scratch: Step-by-Step Implementation Guide

Complete hands-on guide to building a production-ready agentic AI system. From project setup to deployment — every layer implemented with working code, tests, and Docker compose.

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