Project name
Clear, memorable
Logo
Design or refine before the clock starts
Color & UI references
Save screenshots you like
User journey
Entry → Core action → Success state
Data flow
How data moves through your app (if complex)
Key screens
Rough layouts of main pages
Inspiration libraries
lovable.dev/templates21st.devMobbinDribbbleGodlyPinterest
Not starting from a blank page
≠ locking everything down.