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Field notes

Clear technical reflections on what works, what does not, and why. No agenda, just judgment.

10 May 20266 min read
ComposerCursorClaudeGPTNext.jsTypeScriptAgents

From Assistance to Orchestration: why Composer 2.0 is the new baseline compared to Claude chat or GPT

With Next.js and TypeScript you lose time keeping files in sync, not typing. Composer 2.0 does not merely suggest code—it orchestrates the project tree like an execution team.

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9 May 20265 min read
VS CodeCopilotClaudeNext.jsGenerative AI

From Orchestra Conductor to One-Person Tech Stack: returning to building with VS Code, Copilot and Claude

After years leading projects and teams, AI has removed the friction of returning to code. Copilot opened the door; Claude became the senior lead that keeps the architecture under control.

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9 May 20264 min read
CursorClaudeGPT-4oAPI KeysGenerative AI

Cost Engineering and Technical Sovereignty: why Cursor Pro replaced my API Key

Moving from Cline with API Keys to Cursor Pro was not an aesthetic choice: it was a decision about cost engineering, technical sovereignty and work continuity.

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9 May 20266 min read
MarketingNext.jsVercelSEOGo-to-Market

From Implementation to Conversion: a go-to-market strategy for high-performance builds

For a senior profile, marketing is not magic: it is funnel engineering. Traffic, conversion and retention should be measured with the same discipline as a Vercel deployment.

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27 March 20264 min read
Next.jsVercelLighthousePerformanceSEO

My Lean Web Method: a step-by-step guide for high-performance professional projects

I have distilled decades of managing critical systems into a method for launching robust, multilingual and scalable websites. Less configuration, more building, and green Lighthouse metrics.

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27 March 20265 min read
Next.jsnext-intlVercelCI/CDGenerative AI

How I built a multilingual website with Next.js and next-intl without a backend

After three decades leading digital transformation in retail, 2025 became a turning point: applying strategic IT judgment directly to a modern technology stack.

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