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Technology Stack

Analysis Date: 2026-01-09

Languages

Primary:

TypeScript 5.9.3 - All application code (package.json, tsconfig.json)

Secondary:

JavaScript (JSX/TSX) - React components throughout src/
CSS (Tailwind) - src/app/globals.css, postcss.config.mjs

Runtime

Environment:

Node.js 18+ - Referenced in README, no explicit .nvmrc
Next.js 16 App Router - Server-side rendering and API routes
React 19.2.0 - Client-side rendering

Package Manager:

npm - Primary package manager
Lockfile: package-lock.json present

Frameworks

Core:

Next.js 16.0.6 - Full-stack web framework with App Router (next.config.ts)
React 19.2.0 - UI framework
@xyflow/react 12.9.3 - Node-based visual editor / React Flow canvas

Testing:

Vitest 4.0.16 - Unit testing framework (vitest.config.ts)
@vitest/coverage-v8 4.0.16 - V8 coverage provider

Build/Dev:

TypeScript 5.9.3 - Static type checking
Turbopack - Rust-based bundler (enabled in next.config.ts)
PostCSS 8.5.6 - CSS preprocessor with Autoprefixer 10.4.22
Tailwind CSS 4.1.17 - Utility-first CSS framework

Key Dependencies

Critical:

@xyflow/react 12.9.3 - Node editor canvas (src/components/WorkflowCanvas.tsx)
zustand 5.0.9 - State management (src/store/workflowStore.ts)
@google/genai 1.30.0 - Google Gemini AI SDK (src/app/api/generate/route.ts)
konva 10.0.12 + react-konva 19.2.1 - Canvas drawing (src/components/nodes/AnnotationNode.tsx)

Infrastructure:

jszip 3.10.1 - ZIP file compression for workflow export
next 16.0.6 - App routing and server functions

Configuration

Environment:

.env.local files for secrets (gitignored)
Required: GEMINI_API_KEY
Optional: OPENAI_API_KEY

Build:

tsconfig.json - TypeScript config with path aliases (@/* → src/*)
next.config.ts - Next.js with Turbopack, 50MB body size limit
postcss.config.mjs - PostCSS with Tailwind CSS
vitest.config.ts - Vitest with V8 coverage

Platform Requirements

Development:

macOS/Linux/Windows (any platform with Node.js 18+)
No external dependencies beyond npm

Production:

Designed for local execution (desktop app workflow)
Can deploy to Vercel or similar Next.js hosting
Requires access to Google Gemini API

Stack analysis: 2026-01-09 Update after major dependency changes