feat: 通報を受けた際にメールまたはWebhookで通知を送出出来るようにする (#13758)

* feat: 通報を受けた際にメールまたはWebhookで通知を送出出来るようにする

* モデログに対応＆エンドポイントを単一オブジェクトでのサポートに変更（API経由で大量に作るシチュエーションもないと思うので）

* fix spdx

* fix migration

* fix migration

* fix models

* add e2e webhook

* tweak

* fix modlog

* fix bugs

* add tests and fix bugs

* add tests and fix bugs

* add tests

* fix path

* regenerate locale

* 混入除去

* 混入除去

* add abuseReportResolved

* fix pnpm-lock.yaml

* add abuseReportResolved test

* fix bugs

* fix ui

* add tests

* fix CHANGELOG.md

* add tests

* add RoleService.getModeratorIds tests

* WebhookServiceをUserとSystemに分割

* fix CHANGELOG.md

* fix test

* insertOneを使う用に

* fix

* regenerate locales

* revert version

* separate webhook job queue

* fix

* :art:

* Update QueueProcessorService.ts

---------

Co-authored-by: osamu <46447427+sam-osamu@users.noreply.github.com>
Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

14 files changed, 1223 insertions, 34 deletions

diff --git a/packages/frontend/src/components/MkButton.vue b/packages/frontend/src/components/MkButton.vue
index 3489255b91..25b003ba5a 100644
--- a/packages/frontend/src/components/MkButton.vue
+++ b/packages/frontend/src/components/MkButton.vue
@@ -11,6 +11,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	:type="type"
 	:name="name"
 	:value="value"
+	:disabled="disabled"
 	@click="emit('click', $event)"
 	@mousedown="onMousedown"
 >
@@ -55,6 +56,7 @@ const props = defineProps<{
 	asLike?: boolean;
 	name?: string;
 	value?: string;
+	disabled?: boolean;
 }>();
 
 const emit = defineEmits<{
diff --git a/packages/frontend/src/components/MkDivider.vue b/packages/frontend/src/components/MkDivider.vue
new file mode 100644
index 0000000000..e4e3af99e4
--- /dev/null
+++ b/packages/frontend/src/components/MkDivider.vue
@@ -0,0 +1,32 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<div
+	class="default" :style="[
+		marginTopBottom ? { marginTop: marginTopBottom, marginBottom: marginTopBottom } : {},
+		marginLeftRight ? { marginLeft: marginLeftRight, marginRight: marginLeftRight } : {},
+		borderStyle ? { borderStyle: borderStyle } : {},
+		borderWidth ? { borderWidth: borderWidth } : {},
+		borderColor ? { borderColor: borderColor } : {},
+	]"
+/>
+</template>
+
+<script setup lang="ts">
+defineProps<{
+	marginTopBottom?: string;
+	marginLeftRight?: string;
+	borderStyle?: string;
+	borderWidth?: string;
+	borderColor?: string;
+}>();
+</script>
+
+<style scoped lang="scss">
+.default {
+	border-top: solid 0.5px var(--divider);
+}
+</style>
diff --git a/packages/frontend/src/components/MkSwitch.vue b/packages/frontend/src/components/MkSwitch.vue
index a19b45448b..721ac357f4 100644
--- a/packages/frontend/src/components/MkSwitch.vue
+++ b/packages/frontend/src/components/MkSwitch.vue
@@ -13,7 +13,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		@keydown.enter="toggle"
 	>
 	<XButton :checked="checked" :disabled="disabled" @toggle="toggle"/>
-	<span :class="$style.body">
+	<span v-if="!noBody" :class="$style.body">
 		<!-- TODO: 無名slotの方は廃止 -->
 		<span :class="$style.label">
 			<span @click="toggle">
@@ -34,16 +34,19 @@ const props = defineProps<{
 	modelValue: boolean | Ref<boolean>;
 	disabled?: boolean;
 	helpText?: string;
+	noBody?: boolean;
 }>();
 
 const emit = defineEmits<{
 	(ev: 'update:modelValue', v: boolean): void;
+	(ev: 'change', v: boolean): void;
 }>();
 
 const checked = toRefs(props).modelValue;
 const toggle = () => {
 	if (props.disabled) return;
 	emit('update:modelValue', !checked.value);
+	emit('change', !checked.value);
 };
 </script>
 
diff --git a/packages/frontend/src/components/MkSystemWebhookEditor.impl.ts b/packages/frontend/src/components/MkSystemWebhookEditor.impl.ts
new file mode 100644
index 0000000000..1222d3261d
--- /dev/null
+++ b/packages/frontend/src/components/MkSystemWebhookEditor.impl.ts
@@ -0,0 +1,45 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineAsyncComponent } from 'vue';
+import * as os from '@/os.js';
+
+export type SystemWebhookEventType = 'abuseReport' | 'abuseReportResolved';
+
+export type MkSystemWebhookEditorProps = {
+	mode: 'create' | 'edit';
+	id?: string;
+	requiredEvents?: SystemWebhookEventType[];
+};
+
+export type MkSystemWebhookResult = {
+	id?: string;
+	isActive: boolean;
+	name: string;
+	on: SystemWebhookEventType[];
+	url: string;
+	secret: string;
+};
+
+export async function showSystemWebhookEditorDialog(props: MkSystemWebhookEditorProps): Promise<MkSystemWebhookResult | null> {
+	const { dispose, result } = await new Promise<{ dispose: () => void, result: MkSystemWebhookResult | null }>(async resolve => {
+		const res = await os.popup(
+			defineAsyncComponent(() => import('@/components/MkSystemWebhookEditor.vue')),
+			props,
+			{
+				submitted: (ev: MkSystemWebhookResult) => {
+					resolve({ dispose: res.dispose, result: ev });
+				},
+				closed: () => {
+					resolve({ dispose: res.dispose, result: null });
+				},
+			},
+		);
+	});
+
+	dispose();
+
+	return result;
+}
diff --git a/packages/frontend/src/components/MkSystemWebhookEditor.vue b/packages/frontend/src/components/MkSystemWebhookEditor.vue
new file mode 100644
index 0000000000..007d841f00
--- /dev/null
+++ b/packages/frontend/src/components/MkSystemWebhookEditor.vue
@@ -0,0 +1,217 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<MkModalWindow
+	:width="450"
+	:height="590"
+	:canClose="true"
+	:withOkButton="false"
+	:okButtonDisabled="false"
+	@click="onCancelClicked"
+	@close="onCancelClicked"
+	@closed="onCancelClicked"
+>
+	<template #header>
+		{{ mode === 'create' ? i18n.ts._webhookSettings.createWebhook : i18n.ts._webhookSettings.modifyWebhook }}
+	</template>
+	<MkSpacer :marginMin="20" :marginMax="28">
+		<MkLoading v-if="loading !== 0"/>
+		<div v-else :class="$style.root" class="_gaps_m">
+			<MkInput v-model="title">
+				<template #label>{{ i18n.ts._webhookSettings.name }}</template>
+			</MkInput>
+			<MkInput v-model="url">
+				<template #label>URL</template>
+			</MkInput>
+			<MkInput v-model="secret">
+				<template #label>{{ i18n.ts._webhookSettings.secret }}</template>
+			</MkInput>
+			<MkFolder :defaultOpen="true">
+				<template #label>{{ i18n.ts._webhookSettings.events }}</template>
+
+				<div class="_gaps_s">
+					<MkSwitch v-model="events.abuseReport" :disabled="disabledEvents.abuseReport">
+						<template #label>{{ i18n.ts._webhookSettings._systemEvents.abuseReport }}</template>
+					</MkSwitch>
+					<MkSwitch v-model="events.abuseReportResolved" :disabled="disabledEvents.abuseReportResolved">
+						<template #label>{{ i18n.ts._webhookSettings._systemEvents.abuseReportResolved }}</template>
+					</MkSwitch>
+				</div>
+			</MkFolder>
+
+			<MkSwitch v-model="isActive">
+				<template #label>{{ i18n.ts.enable }}</template>
+			</MkSwitch>
+
+			<div :class="$style.footer" class="_buttonsCenter">
+				<MkButton primary :disabled="disableSubmitButton" @click="onSubmitClicked">
+					<i class="ti ti-check"></i>
+					{{ i18n.ts.ok }}
+				</MkButton>
+				<MkButton @click="onCancelClicked"><i class="ti ti-x"></i> {{ i18n.ts.cancel }}</MkButton>
+			</div>
+		</div>
+	</MkSpacer>
+</MkModalWindow>
+</template>
+
+<script setup lang="ts">
+import { computed, onMounted, ref, toRefs } from 'vue';
+import FormSection from '@/components/form/section.vue';
+import MkInput from '@/components/MkInput.vue';
+import MkSwitch from '@/components/MkSwitch.vue';
+import {
+	MkSystemWebhookEditorProps,
+	MkSystemWebhookResult,
+	SystemWebhookEventType,
+} from '@/components/MkSystemWebhookEditor.impl.js';
+import { i18n } from '@/i18n.js';
+import MkButton from '@/components/MkButton.vue';
+import { misskeyApi } from '@/scripts/misskey-api.js';
+import MkModalWindow from '@/components/MkModalWindow.vue';
+import MkFolder from '@/components/MkFolder.vue';
+import * as os from '@/os.js';
+
+type EventType = {
+	abuseReport: boolean;
+	abuseReportResolved: boolean;
+}
+
+const emit = defineEmits<{
+	(ev: 'submitted', result: MkSystemWebhookResult): void;
+	(ev: 'closed'): void;
+}>();
+
+const props = defineProps<MkSystemWebhookEditorProps>();
+
+const { mode, id, requiredEvents } = toRefs(props);
+
+const loading = ref<number>(0);
+
+const title = ref<string>('');
+const url = ref<string>('');
+const secret = ref<string>('');
+const events = ref<EventType>({
+	abuseReport: true,
+	abuseReportResolved: true,
+});
+const isActive = ref<boolean>(true);
+
+const disabledEvents = ref<EventType>({
+	abuseReport: false,
+	abuseReportResolved: false,
+});
+
+const disableSubmitButton = computed(() => {
+	if (!title.value) {
+		return true;
+	}
+	if (!url.value) {
+		return true;
+	}
+	if (!secret.value) {
+		return true;
+	}
+
+	return false;
+});
+
+async function onSubmitClicked() {
+	await loadingScope(async () => {
+		const params = {
+			isActive: isActive.value,
+			name: title.value,
+			url: url.value,
+			secret: secret.value,
+			on: Object.keys(events.value).filter(ev => events.value[ev as keyof EventType]) as SystemWebhookEventType[],
+		};
+
+		try {
+			switch (mode.value) {
+				case 'create': {
+					const result = await misskeyApi('admin/system-webhook/create', params);
+					emit('submitted', result);
+					break;
+				}
+				case 'edit': {
+					// eslint-disable-next-line
+					const result = await misskeyApi('admin/system-webhook/update', { id: id.value!, ...params });
+					emit('submitted', result);
+					break;
+				}
+			}
+			// eslint-disable-next-line
+		} catch (ex: any) {
+			const msg = ex.message ?? i18n.ts.internalServerErrorDescription;
+			await os.alert({ type: 'error', title: i18n.ts.error, text: msg });
+			emit('closed');
+		}
+	});
+}
+
+function onCancelClicked() {
+	emit('closed');
+}
+
+async function loadingScope<T>(fn: () => Promise<T>): Promise<T> {
+	loading.value++;
+	try {
+		return await fn();
+	} finally {
+		loading.value--;
+	}
+}
+
+onMounted(async () => {
+	await loadingScope(async () => {
+		switch (mode.value) {
+			case 'edit': {
+				if (!id.value) {
+					throw new Error('id is required');
+				}
+
+				try {
+					const res = await misskeyApi('admin/system-webhook/show', { id: id.value });
+
+					title.value = res.name;
+					url.value = res.url;
+					secret.value = res.secret;
+					isActive.value = res.isActive;
+					for (const ev of Object.keys(events.value)) {
+						events.value[ev] = res.on.includes(ev as SystemWebhookEventType);
+					}
+					// eslint-disable-next-line
+				} catch (ex: any) {
+					const msg = ex.message ?? i18n.ts.internalServerErrorDescription;
+					await os.alert({ type: 'error', title: i18n.ts.error, text: msg });
+					emit('closed');
+				}
+				break;
+			}
+		}
+
+		for (const ev of requiredEvents.value ?? []) {
+			disabledEvents.value[ev] = true;
+		}
+	});
+});
+</script>
+
+<style module lang="scss">
+.root {
+	display: flex;
+	flex-direction: column;
+	justify-content: center;
+	align-items: stretch;
+}
+
+.footer {
+	display: flex;
+	justify-content: center;
+	align-items: flex-end;
+	margin-top: 20px;
+}
+</style>
diff --git a/packages/frontend/src/pages/admin/abuse-report/notification-recipient.editor.vue b/packages/frontend/src/pages/admin/abuse-report/notification-recipient.editor.vue
new file mode 100644
index 0000000000..ffe9c620d6
--- /dev/null
+++ b/packages/frontend/src/pages/admin/abuse-report/notification-recipient.editor.vue
@@ -0,0 +1,307 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<MkModalWindow
+	ref="dialog"
+	:width="400"
+	:height="490"
+	:withOkButton="false"
+	:okButtonDisabled="false"
+	@close="onCancelClicked"
+	@closed="emit('closed')"
+>
+	<template #header>
+		{{ mode === 'create' ? i18n.ts._abuseReport._notificationRecipient.createRecipient : i18n.ts._abuseReport._notificationRecipient.modifyRecipient }}
+	</template>
+	<div v-if="loading === 0">
+		<MkSpacer :marginMin="20" :marginMax="28">
+			<div :class="$style.root" class="_gaps_m">
+				<MkInput v-model="title">
+					<template #label>{{ i18n.ts.title }}</template>
+				</MkInput>
+				<MkSelect v-model="method">
+					<template #label>{{ i18n.ts._abuseReport._notificationRecipient.recipientType }}</template>
+					<option value="email">{{ i18n.ts._abuseReport._notificationRecipient._recipientType.mail }}</option>
+					<option value="webhook">{{ i18n.ts._abuseReport._notificationRecipient._recipientType.webhook }}</option>
+					<template #caption>
+						{{ methodCaption }}
+					</template>
+				</MkSelect>
+				<div>
+					<MkSelect v-if="method === 'email'" v-model="userId">
+						<template #label>{{ i18n.ts._abuseReport._notificationRecipient.notifiedUser }}</template>
+						<option v-for="user in moderators" :key="user.id" :value="user.id">
+							{{ user.name ? `${user.name}(${user.username})` : user.username }}
+						</option>
+					</MkSelect>
+					<div v-else-if="method === 'webhook'" :class="$style.systemWebhook">
+						<MkSelect v-model="systemWebhookId" style="flex: 1">
+							<template #label>{{ i18n.ts._abuseReport._notificationRecipient.notifiedWebhook }}</template>
+							<option v-for="webhook in systemWebhooks" :key="webhook.id ?? undefined" :value="webhook.id">
+								{{ webhook.name }}
+							</option>
+						</MkSelect>
+						<MkButton rounded @click="onEditSystemWebhookClicked">
+							<span v-if="systemWebhookId === null" class="ti ti-plus" style="line-height: normal"/>
+							<span v-else class="ti ti-settings" style="line-height: normal"/>
+						</MkButton>
+					</div>
+				</div>
+
+				<MkDivider/>
+
+				<MkSwitch v-model="isActive">
+					<template #label>{{ i18n.ts.enable }}</template>
+				</MkSwitch>
+			</div>
+		</MkSpacer>
+
+		<div :class="$style.footer" class="_buttonsCenter">
+			<MkButton primary :disabled="disableSubmitButton" @click="onSubmitClicked"><i class="ti ti-check"></i> {{ i18n.ts.ok }}</MkButton>
+			<MkButton @click="onCancelClicked"><i class="ti ti-x"></i> {{ i18n.ts.cancel }}</MkButton>
+		</div>
+	</div>
+	<div v-else>
+		<MkLoading/>
+	</div>
+</MkModalWindow>
+</template>
+
+<script lang="ts" setup>
+import { computed, onMounted, ref, toRefs } from 'vue';
+import { entities } from 'misskey-js';
+import MkButton from '@/components/MkButton.vue';
+import MkModalWindow from '@/components/MkModalWindow.vue';
+import { i18n } from '@/i18n.js';
+import MkInput from '@/components/MkInput.vue';
+import { misskeyApi } from '@/scripts/misskey-api.js';
+import MkSelect from '@/components/MkSelect.vue';
+import { MkSystemWebhookResult, showSystemWebhookEditorDialog } from '@/components/MkSystemWebhookEditor.impl.js';
+import MkSwitch from '@/components/MkSwitch.vue';
+import MkDivider from '@/components/MkDivider.vue';
+import * as os from '@/os.js';
+
+type NotificationRecipientMethod = 'email' | 'webhook';
+
+const emit = defineEmits<{
+	(ev: 'submitted'): void;
+	(ev: 'closed'): void;
+}>();
+
+const props = defineProps<{
+	mode: 'create' | 'edit';
+	id?: string;
+}>();
+
+const { mode, id } = toRefs(props);
+
+const loading = ref<number>(0);
+
+const title = ref<string>('');
+const method = ref<NotificationRecipientMethod>('email');
+const userId = ref<string | null>(null);
+const systemWebhookId = ref<string | null>(null);
+const isActive = ref<boolean>(true);
+
+const moderators = ref<entities.User[]>([]);
+const systemWebhooks = ref<(entities.SystemWebhook | { id: null, name: string })[]>([]);
+
+const methodCaption = computed(() => {
+	switch (method.value) {
+		case 'email': {
+			return i18n.ts._abuseReport._notificationRecipient._recipientType._captions.mail;
+		}
+		case 'webhook': {
+			return i18n.ts._abuseReport._notificationRecipient._recipientType._captions.webhook;
+		}
+		default: {
+			return '';
+		}
+	}
+});
+
+const disableSubmitButton = computed(() => {
+	if (!title.value) {
+		return true;
+	}
+
+	switch (method.value) {
+		case 'email': {
+			return userId.value === null;
+		}
+		case 'webhook': {
+			return systemWebhookId.value === null;
+		}
+		default: {
+			return true;
+		}
+	}
+});
+
+async function onSubmitClicked() {
+	await loadingScope(async () => {
+		const _userId = (method.value === 'email') ? userId.value : null;
+		const _systemWebhookId = (method.value === 'webhook') ? systemWebhookId.value : null;
+		const params = {
+			isActive: isActive.value,
+			name: title.value,
+			method: method.value,
+			userId: _userId ?? undefined,
+			systemWebhookId: _systemWebhookId ?? undefined,
+		};
+
+		try {
+			switch (mode.value) {
+				case 'create': {
+					await misskeyApi('admin/abuse-report/notification-recipient/create', params);
+					break;
+				}
+				case 'edit': {
+					// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+					await misskeyApi('admin/abuse-report/notification-recipient/update', { id: id.value!, ...params });
+					break;
+				}
+			}
+
+			emit('submitted');
+			// eslint-disable-next-line
+		} catch (ex: any) {
+			const msg = ex.message ?? i18n.ts.internalServerErrorDescription;
+			await os.alert({ type: 'error', title: i18n.ts.error, text: msg });
+			emit('closed');
+		}
+	});
+}
+
+function onCancelClicked() {
+	emit('closed');
+}
+
+async function onEditSystemWebhookClicked() {
+	let result: MkSystemWebhookResult | null;
+	if (systemWebhookId.value === null) {
+		result = await showSystemWebhookEditorDialog({
+			mode: 'create',
+		});
+	} else {
+		result = await showSystemWebhookEditorDialog({
+			mode: 'edit',
+			id: systemWebhookId.value,
+		});
+	}
+	if (!result) {
+		return;
+	}
+
+	await fetchSystemWebhooks();
+	systemWebhookId.value = result.id ?? null;
+}
+
+async function fetchSystemWebhooks() {
+	await loadingScope(async () => {
+		systemWebhooks.value = [
+			{ id: null, name: i18n.ts.createNew },
+			...await misskeyApi('admin/system-webhook/list', { }),
+		];
+	});
+}
+
+async function fetchModerators() {
+	await loadingScope(async () => {
+		const users = Array.of<entities.User>();
+		for (; ;) {
+			const res = await misskeyApi('admin/show-users', {
+				limit: 100,
+				state: 'adminOrModerator',
+				origin: 'local',
+				offset: users.length,
+			});
+
+			if (res.length === 0) {
+				break;
+			}
+
+			users.push(...res);
+		}
+
+		moderators.value = users;
+	});
+}
+
+async function loadingScope<T>(fn: () => Promise<T>): Promise<T> {
+	loading.value++;
+	try {
+		return await fn();
+	} finally {
+		loading.value--;
+	}
+}
+
+onMounted(async () => {
+	await loadingScope(async () => {
+		await fetchModerators();
+		await fetchSystemWebhooks();
+
+		if (mode.value === 'edit') {
+			if (!id.value) {
+				throw new Error('id is required');
+			}
+
+			try {
+				const res = await misskeyApi('admin/abuse-report/notification-recipient/show', { id: id.value });
+
+				title.value = res.name;
+				method.value = res.method;
+				userId.value = res.userId ?? null;
+				systemWebhookId.value = res.systemWebhookId ?? null;
+				isActive.value = res.isActive;
+				// eslint-disable-next-line
+			} catch (ex: any) {
+				const msg = ex.message ?? i18n.ts.internalServerErrorDescription;
+				await os.alert({ type: 'error', title: i18n.ts.error, text: msg });
+				emit('closed');
+			}
+		} else {
+			userId.value = moderators.value[0]?.id ?? null;
+			systemWebhookId.value = systemWebhooks.value[0]?.id ?? null;
+		}
+	});
+});
+
+</script>
+
+<style lang="scss" module>
+.root {
+	display: flex;
+	flex-direction: column;
+	justify-content: flex-start;
+	align-items: stretch;
+}
+
+.footer {
+	display: flex;
+	justify-content: center;
+	align-items: flex-end;
+	margin-top: 20px;
+}
+
+.systemWebhook {
+	display: flex;
+	flex-direction: row;
+	justify-content: stretch;
+	align-items: flex-end;
+	gap: 8px;
+
+	button {
+		width: 2.5em;
+		height: 2.5em;
+		min-width: 2.5em;
+		min-height: 2.5em;
+		box-sizing: border-box;
+		padding: 6px;
+	}
+}
+</style>
diff --git a/packages/frontend/src/pages/admin/abuse-report/notification-recipient.item.vue b/packages/frontend/src/pages/admin/abuse-report/notification-recipient.item.vue
new file mode 100644
index 0000000000..0b86808faf
--- /dev/null
+++ b/packages/frontend/src/pages/admin/abuse-report/notification-recipient.item.vue
@@ -0,0 +1,114 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<div :class="$style.root" class="_panel _gaps_s">
+	<div :class="$style.rightDivider" style="width: 80px;"><span :class="`ti ${methodIcon}`"/> {{ methodName }}</div>
+	<div :class="$style.rightDivider" style="flex: 0.5">{{ entity.name }}</div>
+	<div :class="$style.rightDivider" style="flex: 1">
+		<div v-if="method === 'email' && user">
+			{{
+				`${i18n.ts._abuseReport._notificationRecipient.notifiedUser}: ` + ((user.name) ? `${user.name}(${user.username})` : user.username)
+			}}
+		</div>
+		<div v-if="method === 'webhook' && systemWebhook">
+			{{ `${i18n.ts._abuseReport._notificationRecipient.notifiedWebhook}: ` + systemWebhook.name }}
+		</div>
+	</div>
+	<div :class="$style.recipientButtons" style="margin-left: auto">
+		<button :class="$style.recipientButton" @click="onEditButtonClicked()">
+			<span class="ti ti-settings"/>
+		</button>
+		<button :class="$style.recipientButton" @click="onDeleteButtonClicked()">
+			<span class="ti ti-trash"/>
+		</button>
+	</div>
+</div>
+</template>
+
+<script setup lang="ts">
+import { entities } from 'misskey-js';
+import { computed, toRefs } from 'vue';
+import { i18n } from '@/i18n.js';
+
+const emit = defineEmits<{
+	(ev: 'edit', id: entities.AbuseReportNotificationRecipient['id']): void;
+	(ev: 'delete', id: entities.AbuseReportNotificationRecipient['id']): void;
+}>();
+
+const props = defineProps<{
+	entity: entities.AbuseReportNotificationRecipient;
+}>();
+
+const { entity } = toRefs(props);
+
+const method = computed(() => entity.value.method);
+const user = computed(() => entity.value.user);
+const systemWebhook = computed(() => entity.value.systemWebhook);
+const methodIcon = computed(() => {
+	switch (entity.value.method) {
+		case 'email':
+			return 'ti-mail';
+		case 'webhook':
+			return 'ti-webhook';
+		default:
+			return 'ti-help';
+	}
+});
+const methodName = computed(() => {
+	switch (entity.value.method) {
+		case 'email':
+			return i18n.ts._abuseReport._notificationRecipient._recipientType.mail;
+		case 'webhook':
+			return i18n.ts._abuseReport._notificationRecipient._recipientType.webhook;
+		default:
+			return '不明';
+	}
+});
+
+function onEditButtonClicked() {
+	emit('edit', entity.value.id);
+}
+
+function onDeleteButtonClicked() {
+	emit('delete', entity.value.id);
+}
+</script>
+
+<style module lang="scss">
+.root {
+	display: flex;
+	flex-direction: row;
+	justify-content: center;
+	align-items: center;
+	padding: 4px 8px;
+}
+
+.rightDivider {
+	border-right: 0.5px solid var(--divider);
+}
+
+.recipientButtons {
+	display: flex;
+	flex-direction: row;
+	justify-content: center;
+	align-items: center;
+	margin-right: -4;
+}
+
+.recipientButton {
+	background-color: transparent;
+	border: none;
+	border-radius: 9999px;
+	box-sizing: border-box;
+	margin-top: -2px;
+	margin-bottom: -2px;
+	padding: 8px;
+
+	&:hover {
+		background-color: var(--buttonBg);
+	}
+}
+</style>
diff --git a/packages/frontend/src/pages/admin/abuse-report/notification-recipient.vue b/packages/frontend/src/pages/admin/abuse-report/notification-recipient.vue
new file mode 100644
index 0000000000..a52f8eb7af
--- /dev/null
+++ b/packages/frontend/src/pages/admin/abuse-report/notification-recipient.vue
@@ -0,0 +1,176 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<MkStickyContainer>
+	<template #header>
+		<XHeader :actions="headerActions" :tabs="headerTabs"/>
+	</template>
+
+	<MkSpacer :contentMax="900">
+		<div :class="$style.root" class="_gaps_m">
+			<div :class="$style.addButton">
+				<MkButton primary @click="onAddButtonClicked">
+					<span class="ti ti-plus"/> {{ i18n.ts._abuseReport._notificationRecipient.createRecipient }}
+				</MkButton>
+			</div>
+			<div :class="$style.subMenus" class="_gaps_s">
+				<MkSelect v-model="filterMethod" style="flex: 1">
+					<template #label>{{ i18n.ts._abuseReport._notificationRecipient.recipientType }}</template>
+					<option :value="null">-</option>
+					<option :value="'email'">{{ i18n.ts._abuseReport._notificationRecipient._recipientType.mail }}</option>
+					<option :value="'webhook'">{{ i18n.ts._abuseReport._notificationRecipient._recipientType.webhook }}</option>
+				</MkSelect>
+				<MkInput v-model="filterText" type="search" style="flex: 1">
+					<template #label>{{ i18n.ts._abuseReport._notificationRecipient.keywords }}</template>
+				</MkInput>
+			</div>
+
+			<MkDivider/>
+
+			<div :class="$style.recipients" class="_gaps_s">
+				<XRecipient
+					v-for="r in filteredRecipients"
+					:key="r.id"
+					:entity="r"
+					@edit="onEditButtonClicked"
+					@delete="onDeleteButtonClicked"
+				/>
+			</div>
+		</div>
+	</MkSpacer>
+</MkStickyContainer>
+</template>
+
+<script setup lang="ts">
+import { entities } from 'misskey-js';
+import { computed, defineAsyncComponent, onMounted, ref } from 'vue';
+import XRecipient from './notification-recipient.item.vue';
+import XHeader from '@/pages/admin/_header_.vue';
+import { misskeyApi } from '@/scripts/misskey-api.js';
+import MkInput from '@/components/MkInput.vue';
+import MkSelect from '@/components/MkSelect.vue';
+import MkButton from '@/components/MkButton.vue';
+import * as os from '@/os.js';
+import MkDivider from '@/components/MkDivider.vue';
+import { i18n } from '@/i18n.js';
+
+const recipients = ref<entities.AbuseReportNotificationRecipient[]>([]);
+
+const filterMethod = ref<string | null>(null);
+const filterText = ref<string>('');
+
+const filteredRecipients = computed(() => {
+	const method = filterMethod.value;
+	const text = filterText.value.trim().length === 0 ? null : filterText.value;
+
+	return recipients.value.filter(it => {
+		if (method ?? text) {
+			if (text) {
+				const keywords = [it.name, it.systemWebhook?.name, it.user?.name, it.user?.username];
+				if (keywords.filter(k => k?.includes(text)).length !== 0) {
+					return true;
+				}
+			}
+
+			if (method) {
+				return it.method.includes(method);
+			}
+
+			return false;
+		}
+
+		return true;
+	});
+});
+const headerActions = computed(() => []);
+const headerTabs = computed(() => []);
+
+async function onAddButtonClicked() {
+	await showEditor('create');
+}
+
+async function onEditButtonClicked(id: string) {
+	await showEditor('edit', id);
+}
+
+async function onDeleteButtonClicked(id: string) {
+	const res = await os.confirm({
+		type: 'warning',
+		title: i18n.ts._abuseReport._notificationRecipient.deleteConfirm,
+	});
+	if (!res.canceled) {
+		await misskeyApi('admin/abuse-report/notification-recipient/delete', { id: id });
+		await fetchRecipients();
+	}
+}
+
+async function showEditor(mode: 'create' | 'edit', id?: string) {
+	const { dispose, needLoad } = await new Promise<{ dispose: () => void, needLoad: boolean }>(async resolve => {
+		const res = await os.popup(
+			defineAsyncComponent(() => import('./notification-recipient.editor.vue')),
+			{
+				mode,
+				id,
+			},
+			{
+				submitted: async () => {
+					resolve({ dispose: res.dispose, needLoad: true });
+				},
+				closed: () => {
+					resolve({ dispose: res.dispose, needLoad: false });
+				},
+			},
+		);
+	});
+
+	dispose();
+
+	if (needLoad) {
+		await fetchRecipients();
+	}
+}
+
+async function fetchRecipients() {
+	const result = await misskeyApi('admin/abuse-report/notification-recipient/list', {
+		method: ['email', 'webhook'],
+	});
+
+	recipients.value = result.sort((a, b) => (a.method + a.id).localeCompare(b.method + b.id));
+}
+
+onMounted(async () => {
+	await fetchRecipients();
+});
+</script>
+
+<style module lang="scss">
+.root {
+	display: flex;
+	flex-direction: column;
+	justify-content: center;
+	align-items: stretch;
+}
+
+.addButton {
+	display: flex;
+	justify-content: flex-end;
+	gap: 8px;
+}
+
+.subMenus {
+	display: flex;
+	flex-direction: row;
+	justify-content: space-between;
+	align-items: flex-end;
+}
+
+.recipients {
+	display: flex;
+	flex-direction: column;
+	justify-content: flex-start;
+	align-items: stretch;
+}
+</style>
diff --git a/packages/frontend/src/pages/admin/abuses.vue b/packages/frontend/src/pages/admin/abuses.vue
index d2f4a4b531..9a9fa472a5 100644
--- a/packages/frontend/src/pages/admin/abuses.vue
+++ b/packages/frontend/src/pages/admin/abuses.vue
@@ -7,30 +7,33 @@ SPDX-License-Identifier: AGPL-3.0-only
 <MkStickyContainer>
 	<template #header><XHeader :actions="headerActions" :tabs="headerTabs"/></template>
 	<MkSpacer :contentMax="900">
-		<div>
-			<div class="reports">
-				<div class="">
-					<div class="inputs" style="display: flex;">
-						<MkSelect v-model="state" style="margin: 0; flex: 1;">
-							<template #label>{{ i18n.ts.state }}</template>
-							<option value="all">{{ i18n.ts.all }}</option>
-							<option value="unresolved">{{ i18n.ts.unresolved }}</option>
-							<option value="resolved">{{ i18n.ts.resolved }}</option>
-						</MkSelect>
-						<MkSelect v-model="targetUserOrigin" style="margin: 0; flex: 1;">
-							<template #label>{{ i18n.ts.reporteeOrigin }}</template>
-							<option value="combined">{{ i18n.ts.all }}</option>
-							<option value="local">{{ i18n.ts.local }}</option>
-							<option value="remote">{{ i18n.ts.remote }}</option>
-						</MkSelect>
-						<MkSelect v-model="reporterOrigin" style="margin: 0; flex: 1;">
-							<template #label>{{ i18n.ts.reporterOrigin }}</template>
-							<option value="combined">{{ i18n.ts.all }}</option>
-							<option value="local">{{ i18n.ts.local }}</option>
-							<option value="remote">{{ i18n.ts.remote }}</option>
-						</MkSelect>
-					</div>
-					<!-- TODO
+		<div :class="$style.root" class="_gaps">
+			<div :class="$style.subMenus" class="_gaps">
+				<MkButton link to="/admin/abuse-report-notification-recipient" primary>{{ "通知設定" }}</MkButton>
+			</div>
+
+			<div :class="$style.inputs" class="_gaps">
+				<MkSelect v-model="state" style="margin: 0; flex: 1;">
+					<template #label>{{ i18n.ts.state }}</template>
+					<option value="all">{{ i18n.ts.all }}</option>
+					<option value="unresolved">{{ i18n.ts.unresolved }}</option>
+					<option value="resolved">{{ i18n.ts.resolved }}</option>
+				</MkSelect>
+				<MkSelect v-model="targetUserOrigin" style="margin: 0; flex: 1;">
+					<template #label>{{ i18n.ts.reporteeOrigin }}</template>
+					<option value="combined">{{ i18n.ts.all }}</option>
+					<option value="local">{{ i18n.ts.local }}</option>
+					<option value="remote">{{ i18n.ts.remote }}</option>
+				</MkSelect>
+				<MkSelect v-model="reporterOrigin" style="margin: 0; flex: 1;">
+					<template #label>{{ i18n.ts.reporterOrigin }}</template>
+					<option value="combined">{{ i18n.ts.all }}</option>
+					<option value="local">{{ i18n.ts.local }}</option>
+					<option value="remote">{{ i18n.ts.remote }}</option>
+				</MkSelect>
+			</div>
+
+			<!-- TODO
 			<div class="inputs" style="display: flex; padding-top: 1.2em;">
 				<MkInput v-model="searchUsername" style="margin: 0; flex: 1;" type="text" :spellcheck="false">
 					<span>{{ i18n.ts.username }}</span>
@@ -41,11 +44,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</div>
 			-->
 
-					<MkPagination v-slot="{items}" ref="reports" :pagination="pagination" style="margin-top: var(--margin);">
-						<XAbuseReport v-for="report in items" :key="report.id" :report="report" @resolved="resolved"/>
-					</MkPagination>
-				</div>
-			</div>
+			<MkPagination v-slot="{items}" ref="reports" :pagination="pagination" style="margin-top: var(--margin);">
+				<XAbuseReport v-for="report in items" :key="report.id" :report="report" @resolved="resolved"/>
+			</MkPagination>
 		</div>
 	</MkSpacer>
 </MkStickyContainer>
@@ -60,6 +61,7 @@ import MkPagination from '@/components/MkPagination.vue';
 import XAbuseReport from '@/components/MkAbuseReport.vue';
 import { i18n } from '@/i18n.js';
 import { definePageMetadata } from '@/scripts/page-metadata.js';
+import MkButton from '@/components/MkButton.vue';
 
 const reports = shallowRef<InstanceType<typeof MkPagination>>();
 
@@ -80,7 +82,7 @@ const pagination = {
 };
 
 function resolved(reportId) {
-	reports.value.removeItem(reportId);
+	reports.value?.removeItem(reportId);
 }
 
 const headerActions = computed(() => []);
@@ -92,3 +94,26 @@ definePageMetadata(() => ({
 	icon: 'ti ti-exclamation-circle',
 }));
 </script>
+
+<style module lang="scss">
+.root {
+	display: flex;
+	flex-direction: column;
+	justify-content: center;
+	align-items: stretch;
+}
+
+.subMenus {
+	display: flex;
+	flex-direction: row;
+	justify-content: flex-end;
+	align-items: center;
+}
+
+.inputs {
+	display: flex;
+	flex-direction: row;
+	justify-content: space-between;
+	align-items: center;
+}
+</style>
diff --git a/packages/frontend/src/pages/admin/index.vue b/packages/frontend/src/pages/admin/index.vue
index 794feae202..292f10da1a 100644
--- a/packages/frontend/src/pages/admin/index.vue
+++ b/packages/frontend/src/pages/admin/index.vue
@@ -215,6 +215,11 @@ const menuDef = computed(() => [{
 		to: '/admin/external-services',
 		active: currentPage.value?.route.name === 'external-services',
 	}, {
+		icon: 'ti ti-webhook',
+		text: 'Webhook',
+		to: '/admin/system-webhook',
+		active: currentPage.value?.route.name === 'system-webhook',
+	}, {
 		icon: 'ti ti-adjustments',
 		text: i18n.ts.other,
 		to: '/admin/other-settings',
diff --git a/packages/frontend/src/pages/admin/modlog.ModLog.vue b/packages/frontend/src/pages/admin/modlog.ModLog.vue
index e33c882721..91f1c7c5e6 100644
--- a/packages/frontend/src/pages/admin/modlog.ModLog.vue
+++ b/packages/frontend/src/pages/admin/modlog.ModLog.vue
@@ -8,9 +8,35 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<template #label>
 		<b
 			:class="{
-				[$style.logGreen]: ['createRole', 'addCustomEmoji', 'createGlobalAnnouncement', 'createUserAnnouncement', 'createAd', 'createInvitation', 'createAvatarDecoration'].includes(log.type),
-				[$style.logYellow]: ['markSensitiveDriveFile', 'resetPassword'].includes(log.type),
-				[$style.logRed]: ['suspend', 'deleteRole', 'suspendRemoteInstance', 'deleteGlobalAnnouncement', 'deleteUserAnnouncement', 'deleteCustomEmoji', 'deleteNote', 'deleteDriveFile', 'deleteAd', 'deleteAvatarDecoration'].includes(log.type)
+				[$style.logGreen]: [
+					'createRole',
+					'addCustomEmoji',
+					'createGlobalAnnouncement',
+					'createUserAnnouncement',
+					'createAd',
+					'createInvitation',
+					'createAvatarDecoration',
+					'createSystemWebhook',
+					'createAbuseReportNotificationRecipient',
+				].includes(log.type),
+				[$style.logYellow]: [
+					'markSensitiveDriveFile',
+					'resetPassword'
+				].includes(log.type),
+				[$style.logRed]: [
+					'suspend',
+					'deleteRole',
+					'suspendRemoteInstance',
+					'deleteGlobalAnnouncement',
+					'deleteUserAnnouncement',
+					'deleteCustomEmoji',
+					'deleteNote',
+					'deleteDriveFile',
+					'deleteAd',
+					'deleteAvatarDecoration',
+					'deleteSystemWebhook',
+					'deleteAbuseReportNotificationRecipient',
+				].includes(log.type)
 			}"
 		>{{ i18n.ts._moderationLogTypes[log.type] }}</b>
 		<span v-if="log.type === 'updateUserNote'">: @{{ log.info.userUsername }}{{ log.info.userHost ? '@' + log.info.userHost : '' }}</span>
@@ -40,6 +66,12 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<span v-else-if="log.type === 'createAvatarDecoration'">: {{ log.info.avatarDecoration.name }}</span>
 		<span v-else-if="log.type === 'updateAvatarDecoration'">: {{ log.info.before.name }}</span>
 		<span v-else-if="log.type === 'deleteAvatarDecoration'">: {{ log.info.avatarDecoration.name }}</span>
+		<span v-else-if="log.type === 'createSystemWebhook'">: {{ log.info.webhook.name }}</span>
+		<span v-else-if="log.type === 'updateSystemWebhook'">: {{ log.info.before.name }}</span>
+		<span v-else-if="log.type === 'deleteSystemWebhook'">: {{ log.info.webhook.name }}</span>
+		<span v-else-if="log.type === 'createAbuseReportNotificationRecipient'">: {{ log.info.recipient.name }}</span>
+		<span v-else-if="log.type === 'updateAbuseReportNotificationRecipient'">: {{ log.info.before.name }}</span>
+		<span v-else-if="log.type === 'deleteAbuseReportNotificationRecipient'">: {{ log.info.recipient.name }}</span>
 	</template>
 	<template #icon>
 		<MkAvatar :user="log.user" :class="$style.avatar"/>
@@ -116,6 +148,16 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<CodeDiff :context="5" :hideHeader="true" :oldString="log.info.before ?? ''" :newString="log.info.after ?? ''" maxHeight="300px"/>
 			</div>
 		</template>
+		<template v-else-if="log.type === 'updateSystemWebhook'">
+			<div :class="$style.diff">
+				<CodeDiff :context="5" :hideHeader="true" :oldString="JSON5.stringify(log.info.before, null, '\t')" :newString="JSON5.stringify(log.info.after, null, '\t')" language="javascript" maxHeight="300px"/>
+			</div>
+		</template>
+		<template v-else-if="log.type === 'updateAbuseReportNotificationRecipient'">
+			<div :class="$style.diff">
+				<CodeDiff :context="5" :hideHeader="true" :oldString="JSON5.stringify(log.info.before, null, '\t')" :newString="JSON5.stringify(log.info.after, null, '\t')" language="javascript" maxHeight="300px"/>
+			</div>
+		</template>
 
 		<details>
 			<summary>raw</summary>
diff --git a/packages/frontend/src/pages/admin/system-webhook.item.vue b/packages/frontend/src/pages/admin/system-webhook.item.vue
new file mode 100644
index 0000000000..0c07122af3
--- /dev/null
+++ b/packages/frontend/src/pages/admin/system-webhook.item.vue
@@ -0,0 +1,117 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<div :class="$style.main">
+	<span :class="$style.icon">
+		<i v-if="!entity.isActive" class="ti ti-player-pause"/>
+		<i v-else-if="entity.latestStatus === null" class="ti ti-circle"/>
+		<i
+			v-else-if="[200, 201, 204].includes(entity.latestStatus)"
+			class="ti ti-check"
+			:style="{ color: 'var(--success)' }"
+		/>
+		<i v-else class="ti ti-alert-triangle" :style="{ color: 'var(--error)' }"/>
+	</span>
+	<span :class="$style.text">{{ entity.name || entity.url }}</span>
+	<span :class="$style.suffix">
+		<MkTime v-if="entity.latestSentAt" :time="entity.latestSentAt" style="margin-right: 8px"/>
+		<button :class="$style.suffixButton" @click="onEditClick">
+			<i class="ti ti-settings"></i>
+		</button>
+		<button :class="$style.suffixButton" @click="onDeleteClick">
+			<i class="ti ti-trash"></i>
+		</button>
+	</span>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { entities } from 'misskey-js';
+import { toRefs } from 'vue';
+
+const emit = defineEmits<{
+	(ev: 'edit', value: entities.SystemWebhook): void;
+	(ev: 'delete', value: entities.SystemWebhook): void;
+}>();
+
+const props = defineProps<{
+	entity: entities.SystemWebhook;
+}>();
+
+const { entity } = toRefs(props);
+
+function onEditClick() {
+	emit('edit', entity.value);
+}
+
+function onDeleteClick() {
+	emit('delete', entity.value);
+}
+
+</script>
+
+<style module lang="scss">
+.main {
+	display: flex;
+	align-items: center;
+	width: 100%;
+	box-sizing: border-box;
+	padding: 10px 14px;
+	background: var(--buttonBg);
+	border: none;
+	border-radius: 6px;
+	font-size: 0.9em;
+
+	&:hover {
+		text-decoration: none;
+		background: var(--buttonHoverBg);
+	}
+
+	&.active {
+		color: var(--accent);
+		background: var(--buttonHoverBg);
+	}
+}
+
+.icon {
+	margin-right: 0.75em;
+	flex-shrink: 0;
+	text-align: center;
+	color: var(--fgTransparentWeak);
+}
+
+.text {
+	flex-shrink: 1;
+	white-space: normal;
+	padding-right: 12px;
+	text-align: center;
+}
+
+.suffix {
+	display: flex;
+	flex-direction: row;
+	align-items: center;
+	justify-content: center;
+	gaps: 4px;
+	margin-left: auto;
+	margin-right: -8px;
+	opacity: 0.7;
+	white-space: nowrap;
+}
+
+.suffixButton {
+	background: transparent;
+	border: none;
+	border-radius: 9999px;
+	margin-top: -8px;
+	margin-bottom: -8px;
+	padding: 8px;
+
+	&:hover {
+		background: var(--buttonBg);
+	}
+}
+</style>
diff --git a/packages/frontend/src/pages/admin/system-webhook.vue b/packages/frontend/src/pages/admin/system-webhook.vue
new file mode 100644
index 0000000000..7a40eec944
--- /dev/null
+++ b/packages/frontend/src/pages/admin/system-webhook.vue
@@ -0,0 +1,96 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<MkStickyContainer>
+	<template #header>
+		<XHeader :actions="headerActions" :tabs="headerTabs"/>
+	</template>
+
+	<MkSpacer :contentMax="900">
+		<div class="_gaps_m">
+			<MkButton :class="$style.linkButton" full @click="onCreateWebhookClicked">
+				{{ i18n.ts._webhookSettings.createWebhook }}
+			</MkButton>
+
+			<FormSection>
+				<div class="_gaps">
+					<XItem v-for="item in webhooks" :key="item.id" :entity="item" @edit="onEditButtonClicked" @delete="onDeleteButtonClicked"/>
+				</div>
+			</FormSection>
+		</div>
+	</MkSpacer>
+</MkStickyContainer>
+</template>
+
+<script lang="ts" setup>
+import { computed, onMounted, ref } from 'vue';
+import { entities } from 'misskey-js';
+import XItem from './system-webhook.item.vue';
+import FormSection from '@/components/form/section.vue';
+import { definePageMetadata } from '@/scripts/page-metadata.js';
+import { i18n } from '@/i18n.js';
+import XHeader from '@/pages/admin/_header_.vue';
+import MkButton from '@/components/MkButton.vue';
+import { misskeyApi } from '@/scripts/misskey-api.js';
+import { showSystemWebhookEditorDialog } from '@/components/MkSystemWebhookEditor.impl.js';
+import * as os from '@/os.js';
+
+const webhooks = ref<entities.SystemWebhook[]>([]);
+
+const headerActions = computed(() => []);
+const headerTabs = computed(() => []);
+
+async function onCreateWebhookClicked() {
+	await showSystemWebhookEditorDialog({
+		mode: 'create',
+	});
+
+	await fetchWebhooks();
+}
+
+async function onEditButtonClicked(webhook: entities.SystemWebhook) {
+	await showSystemWebhookEditorDialog({
+		mode: 'edit',
+		id: webhook.id,
+	});
+
+	await fetchWebhooks();
+}
+
+async function onDeleteButtonClicked(webhook: entities.SystemWebhook) {
+	const result = await os.confirm({
+		type: 'warning',
+		title: i18n.ts._webhookSettings.deleteConfirm,
+	});
+	if (!result.canceled) {
+		await misskeyApi('admin/system-webhook/delete', {
+			id: webhook.id,
+		});
+		await fetchWebhooks();
+	}
+}
+
+async function fetchWebhooks() {
+	const result = await misskeyApi('admin/system-webhook/list', {});
+	webhooks.value = result.sort((a, b) => a.id.localeCompare(b.id));
+}
+
+onMounted(async () => {
+	await fetchWebhooks();
+});
+
+definePageMetadata(() => ({
+	title: 'SystemWebhook',
+	icon: 'ti ti-webhook',
+}));
+</script>
+
+<style module lang="scss">
+.linkButton {
+	text-align: left;
+	padding: 10px 18px;
+}
+</style>
diff --git a/packages/frontend/src/router/definition.ts b/packages/frontend/src/router/definition.ts
index c12ae0fa57..8a443f627b 100644
--- a/packages/frontend/src/router/definition.ts
+++ b/packages/frontend/src/router/definition.ts
@@ -472,6 +472,14 @@ const routes: RouteDef[] = [{
 		name: 'invites',
 		component: page(() => import('@/pages/admin/invites.vue')),
 	}, {
+		path: '/abuse-report-notification-recipient',
+		name: 'abuse-report-notification-recipient',
+		component: page(() => import('@/pages/admin/abuse-report/notification-recipient.vue')),
+	}, {
+		path: '/system-webhook',
+		name: 'system-webhook',
+		component: page(() => import('@/pages/admin/system-webhook.vue')),
+	}, {
 		path: '/',
 		component: page(() => import('@/pages/_empty_.vue')),
 	}],