Desktop app that generates Etsy-ready wall art prompts from keywords for print-on-demand sellers. Problem Print-on-demand sellers manually write prompts for different platforms, leading to inconsistent quality and wasted time. Each platform requires different syntax and optimisation, making the process slow and error-prone. Target User Solo print-on-demand sellers creating wall art using Midjourney and Artistly. Core Use Case User enters a keyword (e.g. “vintage car”) Selects platform (Midjourney / Artistly) App generates optimised prompt User copies prompt or saves it to history MVP Features (v1) Keyword input — user provides prompt seed Platform selector — applies platform-specific formatting AI prompt generation — produces optimised output Copy to clipboard — instant usability Prompt history — stores past generations locally Out of Scope (v1) Image generation inside app Multi-user accounts Cloud sync Stack Decision Layer Choice Reason Platform Electron Desktop workflow fits creator tools Frontend Vanilla JS Lightweight, fast build Backend None Local-only app AI Provider OpenAI Reliable prompt generation AI Model gpt-4o-mini Cost-efficient Storage SQLite Structured local history Architecture Overview Renderer collects user input → sends to main process → AI call → response returned → stored in SQLite → displayed + copyable. Data flow: User input → Prompt builder → AI → Store → Output Output Contract Format: Plain text prompt Trigger: Button click Includes: Fully optimised prompt string Success definition: User copies and uses prompt without editing