diff --git a/src/channels/official-channels-runtime.ts b/src/channels/official-channels-runtime.ts
index bf3472aa..4cda65e7 100644
--- a/src/channels/official-channels-runtime.ts
+++ b/src/channels/official-channels-runtime.ts
@@ -1,10 +1,7 @@
 import { spawnSync } from 'child_process';
 import type { TargetType } from '../targets/target-adapter';
 import type { ProfileType } from '../types/profile';
-import type {
-  OfficialChannelId,
-  OfficialChannelsConfig,
-} from '../config/unified-config-types';
+import type { OfficialChannelId, OfficialChannelsConfig } from '../config/unified-config-types';
 
 export interface OfficialChannelDefinition {
   id: OfficialChannelId;
@@ -132,7 +129,11 @@ export function buildOfficialChannelsArgs(
   channels: OfficialChannelId[],
   includePermissionBypass: boolean
 ): string[] {
-  const nextArgs = [...args, '--channels', ...channels.map((channel) => OFFICIAL_CHANNELS[channel].pluginSpec)];
+  const nextArgs = [
+    ...args,
+    '--channels',
+    ...channels.map((channel) => OFFICIAL_CHANNELS[channel].pluginSpec),
+  ];
 
   if (includePermissionBypass) {
     nextArgs.push('--dangerously-skip-permissions');
@@ -191,9 +192,7 @@ export function resolveOfficialChannelsLaunchPlan(
     const channel = OFFICIAL_CHANNELS[channelId];
 
     if (channel.requiresMacOS && !isMacOS()) {
-      skippedMessages.push(
-        `${channel.displayName} auto-enable skipped because it requires macOS.`
-      );
+      skippedMessages.push(`${channel.displayName} auto-enable skipped because it requires macOS.`);
       continue;
     }
 
@@ -256,7 +255,9 @@ export function getOfficialChannelSummary(channelId: OfficialChannelId): string
   return 'macOS-only. No bot token required, but Messages permissions are required.';
 }
 
-export function getOfficialChannelUnavailableReason(channelId: OfficialChannelId): string | undefined {
+export function getOfficialChannelUnavailableReason(
+  channelId: OfficialChannelId
+): string | undefined {
   if (channelId === 'imessage' && !isMacOS()) {
     return 'Requires macOS.';
   }
@@ -300,7 +301,9 @@ export function isOfficialChannelSelectionValid(selection: string): boolean {
     .map((value) => value.trim().toLowerCase())
     .filter(Boolean);
 
-  return parsed.length > 0 && parsed.every((value) => value === 'all' || isOfficialChannelId(value));
+  return (
+    parsed.length > 0 && parsed.every((value) => value === 'all' || isOfficialChannelId(value))
+  );
 }
 
 export function resolveLegacyDiscordSelection(enabled: boolean | undefined): OfficialChannelId[] {
@@ -369,7 +372,10 @@ export function getOfficialChannelsDocsSummary(): string {
   return 'Supported official channels are Telegram, Discord, and iMessage.';
 }
 
-export function getOfficialChannelSyncFailureMessage(channelId: OfficialChannelId, targetPath: string): string {
+export function getOfficialChannelSyncFailureMessage(
+  channelId: OfficialChannelId,
+  targetPath: string
+): string {
   return `${getOfficialChannelDisplayName(channelId)} auto-enable skipped: failed to sync channel env to ${targetPath}`;
 }
 
diff --git a/src/commands/config-channels-command.ts b/src/commands/config-channels-command.ts
index 352c53d2..26a2d269 100644
--- a/src/commands/config-channels-command.ts
+++ b/src/commands/config-channels-command.ts
@@ -62,9 +62,7 @@ function parseTokenAssignment(value: string): {
 } | null {
   const separatorIndex = value.indexOf('=');
   if (separatorIndex === -1) {
-    return value.trim()
-      ? { channelId: 'discord', token: value.trim() }
-      : null;
+    return value.trim() ? { channelId: 'discord', token: value.trim() } : null;
   }
 
   const channelId = value.slice(0, separatorIndex).trim().toLowerCase();
@@ -139,14 +137,20 @@ function showHelp(): void {
   console.log(`  ${color('--clear', 'command')}              Clear all selected channels`);
   console.log(`  ${color('--enable', 'command')}             Legacy alias: add Discord`);
   console.log(`  ${color('--disable', 'command')}            Legacy alias: remove Discord`);
-  console.log(`  ${color('--unattended', 'command')}         Also add --dangerously-skip-permissions`);
+  console.log(
+    `  ${color('--unattended', 'command')}         Also add --dangerously-skip-permissions`
+  );
   console.log(`  ${color('--no-unattended', 'command')}      Disable unattended runtime flag`);
   console.log(`  ${color('--set-token <spec>', 'command')}   ${getOfficialChannelTokenHelp()}`);
-  console.log(`  ${color('--clear-token [channel]', 'command')} ${getOfficialChannelClearTokenHelp()}`);
+  console.log(
+    `  ${color('--clear-token [channel]', 'command')} ${getOfficialChannelClearTokenHelp()}`
+  );
   console.log(`  ${color('--help, -h', 'command')}           Show this help`);
   console.log('');
   console.log(subheader('Examples:'));
-  console.log(`  $ ${color('ccs config channels', 'command')}                           ${dim('# Show status')}`);
+  console.log(
+    `  $ ${color('ccs config channels', 'command')}                           ${dim('# Show status')}`
+  );
   console.log(
     `  $ ${color('ccs config channels --set telegram,discord', 'command')}  ${dim('# Enable Telegram + Discord')}`
   );
@@ -170,13 +174,17 @@ function showStatus(): void {
   console.log('');
   console.log(header('Official Channels Configuration'));
   console.log('');
-  console.log(`  Channels:     ${selected.length > 0 ? ok(getChannelConfigSelectionLabel(selected)) : warn('Disabled')}`);
+  console.log(
+    `  Channels:     ${selected.length > 0 ? ok(getChannelConfigSelectionLabel(selected)) : warn('Disabled')}`
+  );
   console.log(`  Unattended:   ${config.unattended ? warn('Enabled') : info('Disabled')}`);
   console.log(`  Bun:          ${bunReady ? ok('Installed') : warn('Missing')}`);
   console.log('');
   console.log(subheader('Applies To:'));
   console.log(`  ${dim(getOfficialChannelsCompatibilityMessage())}`);
-  console.log(`  ${dim(`Supported profiles: ${getOfficialChannelsSupportedProfiles().join(', ')}`)}`);
+  console.log(
+    `  ${dim(`Supported profiles: ${getOfficialChannelsSupportedProfiles().join(', ')}`)}`
+  );
   console.log('');
   console.log(subheader('Channels:'));
   for (const channelId of expandOfficialChannelSelection('all')) {
@@ -195,7 +203,9 @@ function showStatus(): void {
     console.log(`  ${enabled ? '[x]' : '[ ]'} ${displayName}: ${status}`);
     console.log(`      ${dim(getOfficialChannelSummary(channelId))}`);
     if (envKey) {
-      console.log(`      ${dim(`${envKey}: ${tokenConfigured ? 'configured' : 'not configured'}`)}`);
+      console.log(
+        `      ${dim(`${envKey}: ${tokenConfigured ? 'configured' : 'not configured'}`)}`
+      );
       console.log(`      ${dim(getOfficialChannelEnvPath(channelId))}`);
     }
     console.log(`      ${dim(getOfficialChannelReadyMessage(channelId))}`);
@@ -242,8 +252,13 @@ export async function handleConfigChannelsCommand(args: string[]): Promise<void>
     process.exitCode = 1;
     return;
   }
-  if (options.setSelection !== undefined && !isOfficialChannelSelectionValid(options.setSelection)) {
-    console.error(fail(`Invalid --set value: ${options.setSelection} (${getOfficialChannelChoices()} or all)`));
+  if (
+    options.setSelection !== undefined &&
+    !isOfficialChannelSelectionValid(options.setSelection)
+  ) {
+    console.error(
+      fail(`Invalid --set value: ${options.setSelection} (${getOfficialChannelChoices()} or all)`)
+    );
     process.exitCode = 1;
     return;
   }
@@ -261,7 +276,9 @@ export async function handleConfigChannelsCommand(args: string[]): Promise<void>
   }
   if (options.clearTokenInvalid) {
     console.error(
-      fail(`Invalid --clear-token value: ${options.clearTokenInvalid} (use ${getOfficialChannelChoices()})`)
+      fail(
+        `Invalid --clear-token value: ${options.clearTokenInvalid} (use ${getOfficialChannelChoices()})`
+      )
     );
     process.exitCode = 1;
     return;
diff --git a/src/commands/help-command.ts b/src/commands/help-command.ts
index 70a7532e..f6aefb3d 100644
--- a/src/commands/help-command.ts
+++ b/src/commands/help-command.ts
@@ -471,7 +471,10 @@ Run ${color('ccs config', 'command')} for web dashboard`.trim();
 
   printSubSection('Official Channels (official Claude plugins)', [
     ['ccs config channels', 'Show current status'],
-    ['ccs config channels --set telegram,discord', 'Auto-add selected channels on native Claude sessions'],
+    [
+      'ccs config channels --set telegram,discord',
+      'Auto-add selected channels on native Claude sessions',
+    ],
     ['ccs config channels --set all', 'Enable Telegram, Discord, and iMessage'],
     ['ccs config channels --unattended', 'Also add --dangerously-skip-permissions'],
     ['ccs config channels --set-token telegram=<token>', 'Save TELEGRAM_BOT_TOKEN'],
diff --git a/src/config/unified-config-loader.ts b/src/config/unified-config-loader.ts
index eb5bf431..e571219d 100644
--- a/src/config/unified-config-loader.ts
+++ b/src/config/unified-config-loader.ts
@@ -305,7 +305,9 @@ function normalizeOfficialChannelsConfig(
   partial: Partial<UnifiedConfig> & { discord_channels?: LegacyDiscordChannelsConfig }
 ): OfficialChannelsConfig {
   const rawSelected = Array.isArray(partial.channels?.selected)
-    ? partial.channels.selected.filter((value): value is OfficialChannelId => isOfficialChannelId(value))
+    ? partial.channels.selected.filter((value): value is OfficialChannelId =>
+        isOfficialChannelId(value)
+      )
     : [];
 
   return {
@@ -806,16 +808,15 @@ function generateYamlWithComments(config: UnifiedConfig): string {
     lines.push('# Runtime-only: CCS injects --channels at launch for compatible Claude sessions.');
     lines.push('# Bot tokens live in Claude channel env files, not in config.yaml.');
     lines.push('# Use selected: [telegram, discord, imessage] to choose channels.');
-    lines.push('# unattended adds --dangerously-skip-permissions only when channel auto-enable is active.');
+    lines.push(
+      '# unattended adds --dangerously-skip-permissions only when channel auto-enable is active.'
+    );
     lines.push('# Compatible sessions: native Claude default/account profiles only.');
     lines.push('# Configure via: ccs config channels or the Settings > Channels dashboard tab.');
     lines.push('# ----------------------------------------------------------------------------');
     lines.push(
       yaml
-        .dump(
-          { channels: config.channels },
-          { indent: 2, lineWidth: -1, quotingType: '"' }
-        )
+        .dump({ channels: config.channels }, { indent: 2, lineWidth: -1, quotingType: '"' })
         .trim()
     );
     lines.push('');
diff --git a/src/web-server/routes/channels-routes.ts b/src/web-server/routes/channels-routes.ts
index 92507cf6..9d61f852 100644
--- a/src/web-server/routes/channels-routes.ts
+++ b/src/web-server/routes/channels-routes.ts
@@ -71,7 +71,8 @@ router.put('/', (req: Request, res: Response): void => {
 
   if (
     selected !== undefined &&
-    (!Array.isArray(selected) || selected.some((value) => typeof value !== 'string' || !isOfficialChannelId(value)))
+    (!Array.isArray(selected) ||
+      selected.some((value) => typeof value !== 'string' || !isOfficialChannelId(value)))
   ) {
     res.status(400).json({ error: 'selected must be an array of official channel IDs' });
     return;
@@ -84,7 +85,7 @@ router.put('/', (req: Request, res: Response): void => {
   try {
     const updated = mutateUnifiedConfig((config) => {
       config.channels = {
-        selected: selected ? [...new Set(selected)] : config.channels?.selected ?? [],
+        selected: selected ? [...new Set(selected)] : (config.channels?.selected ?? []),
         unattended: unattended ?? config.channels?.unattended ?? false,
       };
     });