feat: チャンネルに色を設定できるように

packages/frontend/src/components/MkColorInput.vue

@@ -1,7 +1,7 @@
 <template>
 <div>
 	<div :class="$style.label"><slot name="label"></slot></div>
-	<div :class="[$style.input, { disabled, focused }]">
+	<div :class="[$style.input, { disabled }]">
 		<input
 			ref="inputEl"
 			v-model="v"

packages/frontend/src/components/MkNote.vue

@@ -12,6 +12,7 @@
 	<!--<div v-if="appearNote._prId_" class="tip"><i class="ti ti-speakerphone"></i> {{ i18n.ts.promotion }}<button class="_textButton hide" @click="readPromo()">{{ i18n.ts.hideThisNote }} <i class="ti ti-x"></i></button></div>-->
 	<!--<div v-if="appearNote._featuredId_" class="tip"><i class="ti ti-bolt"></i> {{ i18n.ts.featured }}</div>-->
 	<div v-if="isRenote" :class="$style.renote">
+		<div v-if="note.channel" :class="$style.colorBar" :style="{ background: note.channel.color }"></div>
 		<MkAvatar :class="$style.renoteAvatar" :user="note.user" link preview/>
 		<i class="ti ti-repeat" style="margin-right: 4px;"></i>
 		<I18n :src="i18n.ts.renotedBy" tag="span" :class="$style.renoteText">
@@ -40,6 +41,7 @@
 		<Mfm :text="getNoteSummary(appearNote)" :plain="true" :nowrap="true" :author="appearNote.user" :class="$style.collapsedRenoteTargetText" @click="renoteCollapsed = false"/>
 	</div>
 	<article v-else :class="$style.article" @contextmenu.stop="onContextmenu">
+		<div v-if="appearNote.channel" :class="$style.colorBar" :style="{ background: appearNote.channel.color }"></div>
 		<MkAvatar :class="$style.avatar" :user="appearNote.user" link preview/>
 		<div :class="$style.main">
 			<MkNoteHeader :class="$style.header" :note="appearNote" :mini="true"/>
@@ -546,6 +548,7 @@ function showReactions(): void {
 }
 
 .renote {
+	position: relative;
 	display: flex;
 	align-items: center;
 	padding: 16px 32px 8px 32px;
@@ -556,6 +559,10 @@ function showReactions(): void {
 	& + .article {
 		padding-top: 8px;
 	}
+
+	> .colorBar {
+		height: calc(100% - 6px);
+	}
 }
 
 .renoteAvatar {
@@ -627,6 +634,16 @@ function showReactions(): void {
 	padding: 28px 32px;
 }
 
+.colorBar {
+	position: absolute;
+	top: 8px;
+	left: 8px;
+	width: 5px;
+	height: calc(100% - 16px);
+	border-radius: 999px;
+	pointer-events: none;
+}
+
 .avatar {
 	flex-shrink: 0;
 	display: block !important;
@@ -842,6 +859,13 @@ function showReactions(): void {
 			}
 		}
 	}
+
+	.colorBar {
+		top: 6px;
+		left: 6px;
+		width: 4px;
+		height: calc(100% - 12px);
+	}
 }
 
 @container (max-width: 300px) {

packages/frontend/src/pages/channel-editor.vue

@@ -11,6 +11,10 @@
 				<template #label>{{ i18n.ts.description }}</template>
 			</MkTextarea>
 
+			<MkColorInput v-model="color">
+				<template #label>{{ i18n.ts.color }}</template>
+			</MkColorInput>
+
 			<div>
 				<MkButton v-if="bannerId == null" @click="setBannerImage"><i class="ti ti-plus"></i> {{ i18n.ts._channel.setBanner }}</MkButton>
 				<div v-else-if="bannerUrl">
@@ -55,6 +59,7 @@ import { computed, ref, watch, defineAsyncComponent } from 'vue';
 import MkTextarea from '@/components/MkTextarea.vue';
 import MkButton from '@/components/MkButton.vue';
 import MkInput from '@/components/MkInput.vue';
+import MkColorInput from '@/components/MkColorInput.vue';
 import { selectFile } from '@/scripts/select-file';
 import * as os from '@/os';
 import { useRouter } from '@/router';
@@ -75,6 +80,7 @@ let name = $ref(null);
 let description = $ref(null);
 let bannerUrl = $ref<string | null>(null);
 let bannerId = $ref<string | null>(null);
+let color = $ref(null);
 const pinnedNotes = ref([]);
 
 watch(() => bannerId, async () => {
@@ -101,6 +107,7 @@ async function fetchChannel() {
 	pinnedNotes.value = channel.pinnedNoteIds.map(id => ({
 		id,
 	}));
+	color = channel.color;
 }
 
 fetchChannel();
@@ -128,6 +135,7 @@ function save() {
 		description: description,
 		bannerId: bannerId,
 		pinnedNoteIds: pinnedNotes.value.map(x => x.id),
+		color: color,
 	};
 
 	if (props.channelId) {