Screenshots for admin UI pages

[dnndev]

Capture and add screenshots for all admin UI documentation pages. Follow the naming convention: {context}-{topic}-{description}.png

[dnndev]

Updated Screenshot Checklist (25 total)

All admin UI pages are now written. Here's the complete list of screenshots needed:

Control Panel (6)

• cp-overview — Full CP with Dashboard visible, toolbar at top
• cp-action-menu — Module action menu showing Control Panel option
• cp-toolbar — Toolbar with all buttons visible
• cp-dashboard — Dashboard showing resource cards, recent work, pinned items
• cp-explorer — Explorer sidebar open showing Forms tab with search/filters
• cp-tabs — Multiple editor tabs open with color-coded icons

Code Editor (6)

• code-editor-overview — Editor with a view open, syntax-highlighted XMP code
• code-editor-toolbar — Closeup of editor toolbar
• code-editor-autocomplete — Autocomplete popup showing XMP tag suggestions
• code-editor-structure-navigator — Structure Navigator sidebar
• code-editor-reference-panel — Reference Panel sidebar
• code-editor-validation — Validation indicators in gutter and inline

Form Builder (5)

• form-builder-overview — Form Builder with controls on canvas, property panel open
• form-builder-control-palette — Control Palette with categories and search
• form-builder-canvas — Canvas showing controls with labels and drag handles
• form-builder-property-panel — Property panel for a TextBox control
• form-builder-themes — Theme selection and CSS variable customization

Snippets (3)

• snippets-reference-panel — Reference Panel showing snippet sections
• snippets-manager — Snippet Manager dialog with context badges
• snippets-edit — Snippet edit form

Version History (4)

• version-history-overview — Resource list and timeline view
• version-history-timeline — Timeline with versions, timestamps, users
• version-history-semantic-diff — Semantic diff showing control changes
• version-history-code-diff — Side-by-side code diff

Tutorials (1)

• tutorial1-create-view — The + menu in CP toolbar showing New View option

All screenshots go in img/v5/ with the naming convention above.