resolveRef is never read reactively — it is only read synchronously
inside settle(). Using $state was misleading about the intent.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- confirm.svelte.ts: context-based async service returning Promise<boolean>
- ConfirmDialog.svelte: native <dialog> element, reads service from context
- Concurrent calls return false immediately (guard at top of confirm())
- SSR-safe: confirm() returns Promise.resolve(false) on server
- getConfirmService() throws descriptive error outside provider tree
- 5 Vitest tests: confirm/cancel/Escape/concurrent/outside-provider all green
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
