https://oechsner.dev https://oechsner.dev/about https://oechsner.dev/blog https://oechsner.dev/contact https://oechsner.dev/impressum https://oechsner.dev/datenschutz https://oechsner.dev/blog/this-llm-has-a-context-of-12026-09-21 https://oechsner.dev/blog/obsidian-setup2026-09-10 https://oechsner.dev/blog/analysing-hangman2026-09-06