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Next.jsNeonDeepSeekAI Studio 2026
KEZKA
A brief in, a finished body of work out
01
Overview
KEZKA is a private AI design studio. A single brief becomes a finished presentation, document, website, infographic, social campaign or reusable template, in your own brand identity. One ordered content model sits behind every format, so the same editor, tokens and export path serve the whole studio.
02
The challenge
- Keeping every output format in one shared content model instead of building six separate apps
- Generating long documents of 18 to 24 pages and 2,500 to 3,500 words without truncating the argument
- Freezing brand identity at generation time so older work never drifts when the brand evolves
- Patching only the cards named in an update while leaving everything else byte identical
- Exporting portable files — PDF, share link, carousel ZIP and Reel MP4 — without another tool
03
What shipped
- Six output formats: presentation, document, website, infographic, social campaign and reusable template
- Brief to finished cards through DeepSeek generation, with a master prompt built in brainstorm mode
- Brand identity inherited by every generation: logo, palette, type, tone, layout and image treatment
- AI update mode with field level patches, a saved version history and one click restore
- Long form documents written in two passes by chapter, with contents, tables, charts and images
- URL to Instagram content and URL to launch film pipelines that read a page and build the output
- Export to PDF, unlisted share links, carousel ZIP and 16:9 or 9:16 MP4
- Admin issued accounts, per user data scoping and revocable share links
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Product
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Stack
- Next.js 16 App Router with React 19 and TypeScript strict
- Tailwind CSS v4 with shadcn/ui and Radix primitives
- Neon Postgres with Drizzle ORM on the production branch
- Better Auth with sign up disabled and accounts issued by an administrator
- DeepSeek chat completions for brief to card generation and update patches
- Zod v4 validation plus Mozilla Readability and linkedom for URL extraction
- react pdf renderer, fflate and mp4 muxer for PDF, ZIP and MP4 exports
- Vercel Functions with Fluid Compute and pooled Neon connections