enhance(backend): refine system account (#15530)

* wip

* wip

* wip

* Update SystemAccountService.ts

* Update 1740121393164-system-accounts.js

* Update DeleteAccountService.ts

* wip

* wip

* wip

* wip

* Update 1740121393164-system-accounts.js

* Update RepositoryModule.ts

* wip

* wip

* wip

* Update ApRendererService.ts

* wip

* wip

* Update SystemAccountService.ts

* fix tests

* fix tests

* fix tests

* fix tests

* fix tests

* fix tests

* add print logs

* ログが長すぎて出てないかもしれない

* fix migration

* refactor

* fix fed-tests

* Update RelayService.ts

* merge

* Update user.test.ts

* chore: emit log

* fix: tweak sleep duration

* fix: exit 1

* fix: wait for misskey processes to become healthy

* fix: longer sleep for user deletion

* fix: make sleep longer again

* デッドロック解消の試み

https://github.com/misskey-dev/misskey/issues/15005

* Revert "デッドロック解消の試み"

This reverts commit 266141f66fb584371bbb56ef7eba04e14bcff94d.

* wip

* Update SystemAccountService.ts

---------

Co-authored-by: おさむのひと <46447427+samunohito@users.noreply.github.com>
Co-authored-by: zyoshoka <107108195+zyoshoka@users.noreply.github.com>

4 files changed, 51 insertions, 33 deletions

diff --git a/packages/frontend/src/pages/admin-user.vue b/packages/frontend/src/pages/admin-user.vue
index fa08c213e2..578945bf07 100644
--- a/packages/frontend/src/pages/admin-user.vue
+++ b/packages/frontend/src/pages/admin-user.vue
@@ -22,7 +22,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					</div>
 				</div>
 
-				<MkInfo v-if="['instance.actor', 'relay.actor'].includes(user.username)">{{ i18n.ts.isSystemAccount }}</MkInfo>
+				<MkInfo v-if="isSystem">{{ i18n.ts.isSystemAccount }}</MkInfo>
 
 				<FormLink v-if="user.host" :to="`/instance-info/${user.host}`">{{ i18n.ts.instanceInfo }}</FormLink>
 
@@ -37,21 +37,23 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<template #value><span class="_monospace">{{ ips[0].ip }}</span></template>
 					</MkKeyValue>
 					-->
-					<MkKeyValue oneline>
-						<template #key>{{ i18n.ts.createdAt }}</template>
-						<template #value><span class="_monospace"><MkTime :time="user.createdAt" :mode="'detail'"/></span></template>
-					</MkKeyValue>
-					<MkKeyValue v-if="info" oneline>
-						<template #key>{{ i18n.ts.lastActiveDate }}</template>
-						<template #value><span class="_monospace"><MkTime :time="info.lastActiveDate" :mode="'detail'"/></span></template>
-					</MkKeyValue>
-					<MkKeyValue v-if="info" oneline>
-						<template #key>{{ i18n.ts.email }}</template>
-						<template #value><span class="_monospace">{{ info.email }}</span></template>
-					</MkKeyValue>
+					<template v-if="!isSystem">
+						<MkKeyValue oneline>
+							<template #key>{{ i18n.ts.createdAt }}</template>
+							<template #value><span class="_monospace"><MkTime :time="user.createdAt" :mode="'detail'"/></span></template>
+						</MkKeyValue>
+						<MkKeyValue v-if="info" oneline>
+							<template #key>{{ i18n.ts.lastActiveDate }}</template>
+							<template #value><span class="_monospace"><MkTime :time="info.lastActiveDate" :mode="'detail'"/></span></template>
+						</MkKeyValue>
+						<MkKeyValue v-if="info" oneline>
+							<template #key>{{ i18n.ts.email }}</template>
+							<template #value><span class="_monospace">{{ info.email }}</span></template>
+						</MkKeyValue>
+					</template>
 				</div>
 
-				<MkTextarea v-model="moderationNote" manualSave>
+				<MkTextarea v-if="!isSystem" v-model="moderationNote" manualSave>
 					<template #label>{{ i18n.ts.moderationNote }}</template>
 					<template #caption>{{ i18n.ts.moderationNoteDescription }}</template>
 				</MkTextarea>
@@ -92,7 +94,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</FormSection>
 			-->
 
-				<FormSection>
+				<FormSection v-if="!isSystem">
 					<div class="_gaps">
 						<MkSwitch v-model="suspended" @update:modelValue="toggleSuspend">{{ i18n.ts.suspend }}</MkSwitch>
 
@@ -252,6 +254,7 @@ const ap = ref<any>(null);
 const moderator = ref(false);
 const silenced = ref(false);
 const suspended = ref(false);
+const isSystem = ref(false);
 const moderationNote = ref('');
 const filesPagination = {
 	endpoint: 'admin/drive/files' as const,
@@ -288,6 +291,7 @@ function createFetcher() {
 		silenced.value = info.value.isSilenced;
 		suspended.value = info.value.isSuspended;
 		moderationNote.value = info.value.moderationNote;
+		isSystem.value = user.value.host == null && user.value.username.includes('.');
 
 		watch(moderationNote, async () => {
 			await misskeyApi('admin/update-user-note', { userId: user.value.id, text: moderationNote.value });
@@ -507,7 +511,15 @@ watch(user, () => {
 
 const headerActions = computed(() => []);
 
-const headerTabs = computed(() => [{
+const headerTabs = computed(() => isSystem.value ? [{
+	key: 'overview',
+	title: i18n.ts.overview,
+	icon: 'ti ti-info-circle',
+}, {
+	key: 'raw',
+	title: 'Raw',
+	icon: 'ti ti-code',
+}] : [{
 	key: 'overview',
 	title: i18n.ts.overview,
 	icon: 'ti ti-info-circle',
diff --git a/packages/frontend/src/pages/admin/modlog.ModLog.vue b/packages/frontend/src/pages/admin/modlog.ModLog.vue
index 1e144394fb..9bbe5f2e42 100644
--- a/packages/frontend/src/pages/admin/modlog.ModLog.vue
+++ b/packages/frontend/src/pages/admin/modlog.ModLog.vue
@@ -170,6 +170,11 @@ 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 === 'updateProxyAccountDescription'">
+			<div :class="$style.diff">
+				<CodeDiff :context="5" :hideHeader="true" :oldString="log.info.before ?? ''" :newString="log.info.after ?? ''" maxHeight="300px"/>
+			</div>
+		</template>
 
 		<details>
 			<summary>raw</summary>
diff --git a/packages/frontend/src/pages/admin/settings.vue b/packages/frontend/src/pages/admin/settings.vue
index ea7603a45a..aed593fc54 100644
--- a/packages/frontend/src/pages/admin/settings.vue
+++ b/packages/frontend/src/pages/admin/settings.vue
@@ -238,15 +238,17 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<MkFolder>
 					<template #icon><i class="ti ti-ghost"></i></template>
 					<template #label>{{ i18n.ts.proxyAccount }}</template>
+					<template v-if="proxyAccountForm.modified.value" #footer>
+						<MkFormFooter :form="proxyAccountForm"/>
+					</template>
 
 					<div class="_gaps">
 						<MkInfo>{{ i18n.ts.proxyAccountDescription }}</MkInfo>
-						<MkKeyValue>
-							<template #key>{{ i18n.ts.proxyAccount }}</template>
-							<template #value>{{ proxyAccount ? `@${proxyAccount.username}` : i18n.ts.none }}</template>
-						</MkKeyValue>
 
-						<MkButton primary @click="chooseProxyAccount">{{ i18n.ts.selectAccount }}</MkButton>
+						<MkTextarea v-model="proxyAccountForm.state.description" :max="500" tall mfmAutocomplete :mfmPreview="true">
+							<template #label>{{ i18n.ts._profile.description }}</template>
+							<template #caption>{{ i18n.ts._profile.youCanIncludeHashtags }}</template>
+						</MkTextarea>
 					</div>
 				</MkFolder>
 			</div>
@@ -256,7 +258,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { ref, computed } from 'vue';
+import { ref, computed, reactive } from 'vue';
 import XHeader from './_header_.vue';
 import MkSwitch from '@/components/MkSwitch.vue';
 import MkInput from '@/components/MkInput.vue';
@@ -277,7 +279,7 @@ import MkRadios from '@/components/MkRadios.vue';
 
 const meta = await misskeyApi('admin/meta');
 
-const proxyAccount = ref(meta.proxyAccountId ? await misskeyApi('users/show', { userId: meta.proxyAccountId }) : null);
+const proxyAccount = await misskeyApi('users/show', { userId: meta.proxyAccountId });
 
 const infoForm = useForm({
 	name: meta.name ?? '',
@@ -378,16 +380,14 @@ const federationForm = useForm({
 	fetchInstance(true);
 });
 
-function chooseProxyAccount() {
-	os.selectUser({ localOnly: true }).then(user => {
-		proxyAccount.value = user;
-		os.apiWithDialog('admin/update-meta', {
-			proxyAccountId: user.id,
-		}).then(() => {
-			fetchInstance(true);
-		});
+const proxyAccountForm = useForm({
+	description: proxyAccount.description,
+}, async (state) => {
+	await os.apiWithDialog('admin/update-proxy-account', {
+		description: state.description,
 	});
-}
+	fetchInstance(true);
+});
 
 const headerTabs = computed(() => []);
 
diff --git a/packages/frontend/src/pages/user/home.vue b/packages/frontend/src/pages/user/home.vue
index a6a49f0ab9..92a24f99cc 100644
--- a/packages/frontend/src/pages/user/home.vue
+++ b/packages/frontend/src/pages/user/home.vue
@@ -13,7 +13,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 			<div class="profile _gaps">
 				<MkAccountMoved v-if="user.movedTo" :movedTo="user.movedTo"/>
-				<MkRemoteCaution v-if="user.host != null" :href="user.url ?? user.uri!" class="warn"/>
+				<MkRemoteCaution v-if="user.host != null" :href="user.url ?? user.uri!"/>
+				<MkInfo v-if="user.host == null && user.username.includes('.')">{{ i18n.ts.isSystemAccount }}</MkInfo>
 
 				<div :key="user.id" class="main _panel">
 					<div class="banner-container" :style="style">