https://newsletter.cognitiveinterface.dev/ 2026-06-26 https://newsletter.cognitiveinterface.dev/authors 2026-07-29 https://newsletter.cognitiveinterface.dev/authors/david-palla 2026-05-28 https://newsletter.cognitiveinterface.dev/p/the-prompt-is-correct-the-domain-changed 2026-07-14 https://newsletter.cognitiveinterface.dev/p/correct-at-deployment-wrong-in-production 2026-07-02 https://newsletter.cognitiveinterface.dev/p/six-failure-modes-the-context-engineering-frame-leaves-unnamed 2026-06-26 https://newsletter.cognitiveinterface.dev/p/your-prompt-is-rebuilt-how-do-you-know-it-is-correct 2026-06-19 https://newsletter.cognitiveinterface.dev/p/how-to-find-what-is-actually-broken-in-a-prompt-that-looks-complete 2026-06-28 https://newsletter.cognitiveinterface.dev/p/why-your-agent-edits-files-you-never-asked-it-to-touch-abba 2026-06-28 https://newsletter.cognitiveinterface.dev/p/your-model-isn-t-the-problem 2026-06-28 https://newsletter.cognitiveinterface.dev/t/control-surface 2026-06-24 https://newsletter.cognitiveinterface.dev/t/prompt-reliability 2026-07-14 https://newsletter.cognitiveinterface.dev/t/case-study 2026-06-18 https://newsletter.cognitiveinterface.dev/t/output-verification 2026-07-02 https://newsletter.cognitiveinterface.dev/t/agent-architecture 2026-06-24 https://newsletter.cognitiveinterface.dev/t/context-engineering 2026-06-24 https://newsletter.cognitiveinterface.dev/t/prompt-design 2026-06-01 https://newsletter.cognitiveinterface.dev/t/deployment 2026-06-18 https://newsletter.cognitiveinterface.dev/t/constraint-architecture 2026-06-01 https://newsletter.cognitiveinterface.dev/t/semantic-drift 2026-07-14 https://newsletter.cognitiveinterface.dev/t/ai-engineering 2026-06-01 https://newsletter.cognitiveinterface.dev/t/llm-evaluation 2026-07-02 https://newsletter.cognitiveinterface.dev/t/prompt-validation 2026-06-18 https://newsletter.cognitiveinterface.dev/t/ai-validation 2026-07-14 https://newsletter.cognitiveinterface.dev/t/production-ai 2026-07-02