IDEAS, DECISIONS & LESSONS

Journal

Notes on AI, architecture and building useful products.

919 articles

20 Apr 2026 · 20 min read

The Complete Workflow: Wiring All Agents End-to-End (Part 9 of 12)

Part 9 of 12 — Assemble all 8 agents into a single LangGraph workflow. Full E2E example from client brief to deployed config.

20 Apr 2026 · 25 min read

agentic-ai

The Harness Problem: Why Your AI Briefs Are Costing You More, Not Less

A personal take on the hidden cost of AI-generated briefs. When CEOs and managers skip the reasoning process and hand developers full AI implementations as 'briefs,' they double the workload instead of halving it. The same problem plagues multi-agent AI systems — and the solution is the same: a Harness.

20 Apr 2026 · 15 min read

agent-learning

Agent Learning: Memory, RAG, and Skills That Grow Over Time (Part 10 of 12)

Part 10 of 12 — Make agents smarter over time with long-term memory, RAG, task reflection, and inter-agent knowledge sharing.

19 Apr 2026 · 25 min read

LangGraph vs AutoGen vs CrewAI: Picking Your Agent Framework (Part 2 of 12)

Part 2 of 12 — A hands-on comparison of the top multi-agent frameworks: LangGraph, AutoGen, and CrewAI. We build the same PO Agent in all three to see which fits best for a software team simulation.

19 Apr 2026 · 28 min read

Designing Your AI Team: Architecture, DDD, and Communication (Part 3 of 12)

Part 3 of 12 — How to architect a multi-agent system using Domain-Driven Design principles. Define bounded contexts, domain events, state machines, and communication patterns for your AI software team.

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

Building an AI Software Team: Why Simulate a Dev Team with Agents? (Part 1 of 12)

Part 1 of 12 — The vision behind building autonomous AI agents for every role in a software team: PO, BA, QC, TA, SSE, DevOps, TL, and PM. From solo developer bottleneck to an AI-powered development pipeline.

18 Apr 2026 · 21 min read

Qwen Voice AI: Complete Guide to Building Interview Agents, Language Tutors & Voice Systems

Everything about Qwen's voice ecosystem — Qwen3-TTS, Qwen3-ASR, Qwen3-Omni, Qwen-Agent — and step-by-step implementation of Voice Interview Agent, Language Tutor, and Voice Tutor systems with full production code.

18 Apr 2026 · 12 min read

agentic-ai

Build a $0 Agentic AI System: Architecture That Scales from Prototype to Production

A complete technical guide to building a profitable agentic AI system using only open-source tools — with retrieval, orchestration, tool use, and observability. Includes architecture diagrams and real cost analysis.