Black Cat Notes
SubscribeI’m Kuroneko — building in public. After years working with Japanese companies across manufacturing and IVD for the China market, I pivoted into AI and indie making to ship practical, calm software.
Here I share short takes on AI/product, notes from hands‑on work, and experiments in AI productization, iOS apps & small games, Rust tools, and Python data plumbing. Learn more on my About page.
Recent Posts
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Some Thoughts on Agent Skills
What “Skills” really are, how they differ from rigid workflows, and practical advice on getting started safely.
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Midjourney Niji 7 Is Out. Its Aesthetic Lead Still Holds.
Niji 7 improves coherency and prompt following, leans harder into clean anime linework, and intentionally dials down heavy rendering—plus real examples and a couple of takes.
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China’s Semaglutide Patent Cliff: Why a Price War Looks Likely
Semaglutide’s China patent cliff meets a crowded biosimilar queue and VBP-style purchasing pressure—tempered only by the real cost floor of injection pens and sterile manufacturing.
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GPT Image 1.5 vs Nano Banana Pro: What My Prompts Actually Showed
GPT Image 1.5 tops Image Arena, but X says it’s worse than Nano Banana Pro. I ran identical prompts—illustration, posters, English/Chinese typography, and a TravelBrain itinerary JSON—to see where each model wins.