✨ Add Wait block

Closes #142

apps/builder/src/components/VariableSearchInput.tsx

@@ -25,9 +25,7 @@ import { useParentModal } from '@/features/graph/providers/ParentModalProvider'
 type Props = {
   initialVariableId?: string
   autoFocus?: boolean
-  onSelectVariable: (
-    variable: Pick<Variable, 'id' | 'name'> | undefined
-  ) => void
+  onSelectVariable: (variable: Pick<Variable, 'id' | 'name'>) => void
 } & InputProps
 
 export const VariableSearchInput = ({
@@ -70,7 +68,6 @@ export const VariableSearchInput = ({
   const onInputChange = (e: ChangeEvent<HTMLInputElement>) => {
     setInputValue(e.target.value)
     if (e.target.value === '') {
-      onSelectVariable(undefined)
       setFilteredItems([...variables.slice(0, 50)])
       return
     }

apps/builder/src/components/inputs/SmartNumberInput.tsx

@@ -10,16 +10,19 @@ import { useEffect, useState } from 'react'
 import { useDebouncedCallback } from 'use-debounce'
 import { env } from 'utils'
 
+type Props = {
+  value?: number
+  debounceTimeout?: number
+  withVariableButton?: boolean
+  onValueChange: (value?: number) => void
+} & NumberInputProps
+
 export const SmartNumberInput = ({
   value,
   onValueChange,
   debounceTimeout = 1000,
   ...props
-}: {
-  value?: number
-  debounceTimeout?: number
-  onValueChange: (value?: number) => void
-} & NumberInputProps) => {
+}: Props) => {
   const [currentValue, setCurrentValue] = useState(value?.toString() ?? '')
   const debounced = useDebouncedCallback(
     onValueChange,