Engineering Notebook
We write because we think.
Technical thoughts, product notes and engineering observations from the Lumina team.
- ·blog.posts.cutyAlgorithm.minRead min read
Cuty's appointment-conflict algorithm
When several users try to book the same time slot, what level of consistency do we need? Optimistic vs pessimistic locking? In this post we share the architecture behind Cuty's reservations.
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- ·blog.posts.soulwiseRag.minRead min read
Soulwise's personalisation engine
Birth chart, today's sky, and the user's current mood — how do we design a content engine that distils all three into one daily insight? Notes on Soulwise's ephemeris layer, rules engine, and LLM composition.
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- ·blog.posts.bilingualSeo.minRead min read
Bilingual SEO with Next.js 16 and next-intl
How do we manage hreflang, canonical URLs, language-switch UX, locale-prefixed routing and Apple-grade content standards together on a corporate site that speaks both Turkish and English?
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