refactor: remove redundant spread fallbacks

src/channels/plugins/config-helpers.ts

@@ -106,10 +106,7 @@ export function deleteAccountFromConfigSection(params: {
     } as ClawdbotConfig;
   }
 
-  const nextChannels = { ...(params.cfg.channels ?? {}) } as Record<
-    string,
-    unknown
-  >;
+  const nextChannels = { ...params.cfg.channels } as Record<string, unknown>;
   delete nextChannels[params.sectionKey];
   const nextCfg = { ...params.cfg } as ClawdbotConfig;
   if (Object.keys(nextChannels).length > 0) {

src/channels/plugins/msteams.ts

@@ -67,7 +67,7 @@ export const msteamsPlugin: ChannelPlugin<ResolvedMSTeamsAccount> = {
     }),
     deleteAccount: ({ cfg }) => {
       const next = { ...cfg } as ClawdbotConfig;
-      const nextChannels = { ...(cfg.channels ?? {}) };
+      const nextChannels = { ...cfg.channels };
       delete nextChannels.msteams;
       if (Object.keys(nextChannels).length > 0) {
         next.channels = nextChannels;

src/channels/plugins/telegram.ts

@@ -462,7 +462,7 @@ export const telegramPlugin: ChannelPlugin<ResolvedTelegramAccount> = {
         if (nextTelegram && Object.keys(nextTelegram).length > 0) {
           nextCfg.channels = { ...nextCfg.channels, telegram: nextTelegram };
         } else {
-          const nextChannels = { ...(nextCfg.channels ?? {}) };
+          const nextChannels = { ...nextCfg.channels };
           delete nextChannels.telegram;
           if (Object.keys(nextChannels).length > 0) {
             nextCfg.channels = nextChannels;

src/commands/configure.ts

@@ -620,7 +620,7 @@ async function removeChannelConfigWizard(
     );
     if (!confirmed) continue;
 
-    const nextChannels: Record<string, unknown> = { ...(next.channels ?? {}) };
+    const nextChannels: Record<string, unknown> = { ...next.channels };
     delete nextChannels[channel];
     next = {
       ...next,