chore: clean up repo for public release

- Remove BMAD framework, IDE configs, dev screenshots, test files,
  internal docs, and backup files
- Rename keep-notes/ to memento-note/
- Update all references from keep-notes to memento-note
- Add Apache 2.0 license with Commons Clause (non-commercial restriction)
- Add clean .gitignore and .env.docker.example

memento-note/components/delete-notebook-dialog.tsx

@@ -0,0 +1,54 @@
+'use client'
+
+import { Button } from '@/components/ui/button'
+import { useLanguage } from '@/lib/i18n'
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from '@/components/ui/dialog'
+import { useNotebooks } from '@/context/notebooks-context'
+
+interface DeleteNotebookDialogProps {
+  notebook: any
+  open: boolean
+  onOpenChange: (open: boolean) => void
+}
+
+export function DeleteNotebookDialog({ notebook, open, onOpenChange }: DeleteNotebookDialogProps) {
+  const { deleteNotebook } = useNotebooks()
+  const { t } = useLanguage()
+
+  const handleDelete = async () => {
+    try {
+      await deleteNotebook(notebook.id)
+      onOpenChange(false)
+    } catch (error) {
+      // Error already handled in UI
+    }
+  }
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent>
+        <DialogHeader>
+          <DialogTitle>{t('notebook.delete')}</DialogTitle>
+          <DialogDescription>
+            {t('notebook.deleteWarning', { notebookName: notebook?.name })}
+          </DialogDescription>
+        </DialogHeader>
+        <DialogFooter>
+          <Button variant="outline" onClick={() => onOpenChange(false)}>
+            {t('general.cancel')}
+          </Button>
+          <Button variant="destructive" onClick={handleDelete}>
+            {t('notebook.deleteConfirm')}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  )
+}