fix(web/channels): move channels to own sidebar group and fix sheet padding

- Channels now has its own navigation group instead of being under Services
- Fix edit sheet form content padding (px-1 -> px-4) to match header/footer
- Fix naked return lint error in extractChannelInfo

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

web/backend/api/channels.go

@@ -167,8 +167,9 @@ func isValidChannel(name string) bool {
 }
 
 // extractChannelInfo returns enabled, configured status and masked config for a channel.
-func extractChannelInfo(name string, ch *config.ChannelsConfig) (enabled, configured bool, cfg map[string]any) {
+func extractChannelInfo(name string, ch *config.ChannelsConfig) (bool, bool, map[string]any) {
-	cfg = make(map[string]any)
+	var enabled, configured bool
+	cfg := make(map[string]any)
 	switch name {
 	case "telegram":
 		c := ch.Telegram
@@ -320,7 +321,7 @@ func extractChannelInfo(name string, ch *config.ChannelsConfig) (enabled, config
 		cfg["port"] = c.Port
 		cfg["allow_from"] = []string(c.AllowFrom)
 	}
-	return
+	return enabled, configured, cfg
 }
 
 // setChannelEnabled sets the enabled flag for a channel.

web/frontend/src/components/app-sidebar.tsx

@@ -44,10 +44,16 @@ const navGroups = [
     ],
   },
   {
-    label: "navigation.services",
+    label: "navigation.channels_group",
     defaultOpen: true,
     items: [
       { title: "navigation.channels", url: "/channels", icon: IconPlug },
+    ],
+  },
+  {
+    label: "navigation.services",
+    defaultOpen: true,
+    items: [
       { title: "navigation.config", url: "/config", icon: IconSettings },
       { title: "navigation.logs", url: "/logs", icon: IconListDetails },
     ],

web/frontend/src/components/channels/edit-channel-sheet.tsx

@@ -176,7 +176,7 @@ export function EditChannelSheet({
           </SheetDescription>
         </SheetHeader>
 
-        <div className="flex-1 overflow-y-auto px-1 py-4">{renderForm()}</div>
+        <div className="flex-1 overflow-y-auto px-4 py-4">{renderForm()}</div>
 
         {serverError && (
           <p className="px-1 text-sm text-red-500">{serverError}</p>

web/frontend/src/i18n/locales/en.json

@@ -5,6 +5,7 @@
     "models": "Models",
     "credentials": "Credentials",
     "services": "Services",
+    "channels_group": "Channels",
     "channels": "Channels",
     "config": "Config",
     "logs": "Logs"

web/frontend/src/i18n/locales/zh.json

@@ -5,6 +5,7 @@
     "models": "模型",
     "credentials": "凭据",
     "services": "服务",
+    "channels_group": "频道",
     "channels": "频道",
     "config": "配置",
     "logs": "日志"