refactor(policy-workbench): extract docmdp real setting module

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

src/views/Settings/PolicyWorkbench/settings/docmdp/realDefinition.ts

@@ -0,0 +1,50 @@
+/**
+ * SPDX-FileCopyrightText: 2026 LibreCode coop and LibreCode contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import { t } from '@nextcloud/l10n'
+
+import DocMdpScalarRuleEditor from './DocMdpScalarRuleEditor.vue'
+import type { EffectivePolicyValue } from '../../../../../types/index'
+import type { RealPolicySettingDefinition } from '../realTypes'
+
+export function resolveDocMdpLevel(value: EffectivePolicyValue): number | null {
+	if (typeof value === 'number' && value >= 0 && value <= 3) {
+		return value
+	}
+
+	if (typeof value === 'string' && /^[0-3]$/.test(value)) {
+		return Number(value)
+	}
+
+	return null
+}
+
+export const docMdpRealDefinition: RealPolicySettingDefinition = {
+	key: 'docmdp',
+	title: t('libresign', 'PDF certification'),
+	context: t('libresign', 'DocMDP'),
+	description: t('libresign', 'Control what changes are allowed after a document is signed.'),
+	editor: DocMdpScalarRuleEditor,
+	createEmptyValue: () => 0,
+	summarizeValue: (value: EffectivePolicyValue) => {
+		const level = resolveDocMdpLevel(value)
+		switch (level) {
+		case 0:
+			return t('libresign', 'Disabled')
+		case 1:
+			return t('libresign', 'No changes allowed')
+		case 2:
+			return t('libresign', 'Form filling')
+		case 3:
+			return t('libresign', 'Form filling and annotations')
+		default:
+			return t('libresign', 'Not configured')
+		}
+	},
+	formatAllowOverride: (allowChildOverride: boolean) =>
+		allowChildOverride
+			? t('libresign', 'Groups and users can set their own rule')
+			: t('libresign', 'Groups and users must follow this value'),
+}