Module wizard 

Step-by-step wizard widget with tree-structured steps, optional steps, select (cycling) steps, and variable-length array steps.

Visual layout (example)

  │
  ●  name             my-blueprint
  │
  ●  description      (none)
  │
  ○  fields    [ + add ]  [0]        ← active array, collapsed
  │
  ◌  [ save ]                        ← pending Buttons step
  │

When the array is expanded:

  ◉  fields    [ + add ]  [2]        ← expanded, 2 items
  │  │
  │  ●  #1                           ← item (not selected)
  │  │  │
  │  │  ●  field name   title
  │  │  │
  │  │  ●  field type   String
  │  │
  │  ►  #2  [ remove ]               ← item selected; [ remove ] focusable via Right
  │  │  │
  │  │  ●  field name   count
  │  │  │
  │  │  ●  field type   Integer
  │

Navigation

Context	Key	Effect
Any leaf	Tab / Enter	Confirm value, advance
Any leaf	BackTab	Retreat (wraps)
Any leaf	Esc	Cancel (dismiss wizard)
Array collapsed	Left / Right	Switch between [+ add] and [n]
Array collapsed	Enter on [+ add]	Expand + start new item
Array collapsed	Enter on [n]	Expand only
Array collapsed	Tab	Advance past array
Array collapsed	Esc	Cancel (dismiss wizard)
Array expanded	Tab	Cycle through items
Array expanded	Enter	Edit focused item
Array expanded	Right → [remove] → Enter	Delete focused item
Array expanded	Esc / BackTab	Collapse
Item editing leaf	Tab / Enter	Confirm sub-step / complete item
Item editing leaf	Esc	Cancel edit (delete if new, restore if existing)
Item editing select	Left / Right	Cycle option
Item editing select	Tab / Enter	Confirm, advance sub-step
Buttons	Left / Right / Tab	Cycle buttons (Tab wraps to first step)
Buttons	BackTab	Retreat to previous step
Buttons	Enter	Fire primary (Done) or secondary (Cancelled)
Buttons	Esc	Cancel

Structs

ArrayEditSession

State for an in-progress edit of one array item.

ArrayState

Mutable state for one Array step.

WizardState

All mutable wizard state.

WizardStep

One node in the wizard step tree.

Enums

WizardEvent

Event returned by WizardState::handle_key.

WizardStepKind

The kind of a wizard step, controlling how it is rendered and how keys are handled.

Functions

render_wizard

Render the wizard as a popup inside area.