## Summary
Extract a shared `showSmallLayoutDialog` utility and move
dialog-specific logic into composables, unifying the duplicated `pt`
configurations across small modal dialogs.
## Changes
- **`showSmallLayoutDialog`**: Added to `dialogService.ts` with a single
unified `pt` config for all small modal dialogs (missing nodes, missing
models, import failed, node conflict)
- **Composables**: Extracted 4 dialog functions from `dialogService`
into dedicated composables following the `useSettingsDialog` /
`useModelSelectorDialog` pattern:
- `useMissingNodesDialog`
- `useMissingModelsDialog`
- `useImportFailedNodeDialog`
- `useNodeConflictDialog`
- Each composable uses direct imports, synchronous `show()`, `hide()`,
and a `DIALOG_KEY` constant
- Updated all call sites (`app.ts`, `useHelpCenter`, `PackEnableToggle`,
`PackInstallButton`, `useImportFailedDetection`)
## Review Focus
- Unified `pt` config removes minor style variations between dialogs —
intentional design unification
┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-8834-refactor-Unify-small-modal-dialog-styles-with-showSmallLayoutDialog-3056d73d365081b6963beffc0e5943bf)
by [Unito](https://www.unito.io)
---------
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: github-actions <github-actions@github.com>
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