refactor(settings): unify agent tabs into single Agent section

Consolidate AI Model, Skills, Code Bridge, and Identity into
one Agent tab with pill-style sub-navigation. Reduces top-level
settings from 8 tabs to 5 (page) / 6 (modal).

src/app/dashboard/settings/page.tsx

@@ -3,20 +3,13 @@
 import * as React from "react"
 import {
   IconAdjustments,
-  IconBrain,
   IconPalette,
   IconPlug,
-  IconPuzzle,
   IconRobot,
-  IconTerminal2,
   IconUsers,
 } from "@tabler/icons-react"
 
 import { useIsMobile } from "@/hooks/use-mobile"
-import { Button } from "@/components/ui/button"
-import { Input } from "@/components/ui/input"
-import { Label } from "@/components/ui/label"
-import { Separator } from "@/components/ui/separator"
 import {
   Select,
   SelectContent,
@@ -24,14 +17,13 @@ import {
   SelectTrigger,
   SelectValue,
 } from "@/components/ui/select"
+import { Separator } from "@/components/ui/separator"
 import { cn } from "@/lib/utils"
 
 import { PreferencesTab } from "@/components/settings/preferences-tab"
 import { AppearanceTab } from "@/components/settings/appearance-tab"
 import { TeamTab } from "@/components/settings/team-tab"
-import { AIModelTab } from "@/components/settings/ai-model-tab"
-import { SkillsTab } from "@/components/settings/skills-tab"
-import { ClaudeCodeTab } from "@/components/settings/claude-code-tab"
+import { AgentTab } from "@/components/settings/agent-tab"
 import { NetSuiteConnectionStatus } from "@/components/netsuite/connection-status"
 import { SyncControls } from "@/components/netsuite/sync-controls"
 import { GoogleDriveConnectionStatus } from "@/components/google/connection-status"
@@ -40,46 +32,17 @@ const SETTINGS_TABS = [
   { value: "preferences", label: "Preferences", icon: IconAdjustments },
   { value: "appearance", label: "Theme", icon: IconPalette },
   { value: "team", label: "Team", icon: IconUsers },
-  { value: "ai-model", label: "AI Model", icon: IconBrain },
   { value: "agent", label: "Agent", icon: IconRobot },
-  { value: "skills", label: "Skills", icon: IconPuzzle },
   { value: "integrations", label: "Integrations", icon: IconPlug },
-  { value: "claude-code", label: "Code Bridge", icon: IconTerminal2 },
 ] as const
 
 type SectionValue = (typeof SETTINGS_TABS)[number]["value"]
 
 // wide sections get unconstrained width for tables/complex layouts
 const WIDE_SECTIONS = new Set<string>([
-  "appearance", "team", "ai-model", "claude-code",
+  "appearance", "team", "agent",
 ])
 
-function AgentSection() {
-  const [signetId, setSignetId] = React.useState("")
-
-  return (
-    <div className="space-y-4">
-      <div className="space-y-1.5">
-        <Label htmlFor="signet-id" className="text-xs">
-          Signet ID (ETH)
-        </Label>
-        <Input
-          id="signet-id"
-          value={signetId}
-          onChange={(e) => setSignetId(e.target.value)}
-          placeholder="0x..."
-          className="h-9 max-w-sm font-mono"
-          type="password"
-        />
-      </div>
-      <Separator />
-      <Button className="w-full max-w-sm">
-        Configure your agent
-      </Button>
-    </div>
-  )
-}
-
 function IntegrationsSection() {
   return (
     <div className="space-y-4">
@@ -106,16 +69,10 @@ export default function SettingsPage() {
         return <AppearanceTab />
       case "team":
         return <TeamTab />
-      case "ai-model":
-        return <AIModelTab />
       case "agent":
-        return <AgentSection />
-      case "skills":
-        return <SkillsTab />
+        return <AgentTab />
       case "integrations":
         return <IntegrationsSection />
-      case "claude-code":
-        return <ClaudeCodeTab />
       default:
         return null
     }

src/components/settings-modal.tsx

@@ -29,10 +29,8 @@ import { Textarea } from "@/components/ui/textarea"
 import { NetSuiteConnectionStatus } from "@/components/netsuite/connection-status"
 import { SyncControls } from "@/components/netsuite/sync-controls"
 import { GoogleDriveConnectionStatus } from "@/components/google/connection-status"
-import { SkillsTab } from "@/components/settings/skills-tab"
-import { AIModelTab } from "@/components/settings/ai-model-tab"
 import { AppearanceTab } from "@/components/settings/appearance-tab"
-import { ClaudeCodeTab } from "@/components/settings/claude-code-tab"
+import { AgentTab } from "@/components/settings/agent-tab"
 import { TeamTab } from "@/components/settings/team-tab"
 import { useNative } from "@/hooks/use-native"
 import { useBiometricAuth } from "@/hooks/use-biometric-auth"
@@ -44,9 +42,7 @@ const SETTINGS_TABS = [
   { value: "notifications", label: "Notifications" },
   { value: "appearance", label: "Theme" },
   { value: "integrations", label: "Integrations" },
-  { value: "ai-model", label: "AI Model" },
   { value: "agent", label: "Agent" },
-  { value: "skills", label: "Skills" },
 ] as const
 
 const CREATE_SETTING_TAB = {
@@ -91,7 +87,6 @@ export function SettingsModal({
   const [pushNotifs, setPushNotifs] = React.useState(true)
   const [weeklyDigest, setWeeklyDigest] = React.useState(false)
   const [timezone, setTimezone] = React.useState("America/New_York")
-  const [signetId, setSignetId] = React.useState("")
   const [customTabs, setCustomTabs] = React.useState<ReadonlyArray<CustomSettingTab>>([])
   const [activeTab, setActiveTab] = React.useState<string>("general")
   const [newSettingName, setNewSettingName] = React.useState("")
@@ -263,41 +258,11 @@ export function SettingsModal({
             <Separator />
             <NetSuiteConnectionStatus />
             <SyncControls />
-            <Separator />
-            <ClaudeCodeTab />
           </div>
         )
 
-      case "ai-model":
-        return <div className="pt-2"><AIModelTab /></div>
-
       case "agent":
-        return (
-          <div className="space-y-4 pt-2">
-            <div className="space-y-1.5">
-              <Label htmlFor="signet-id" className="text-xs">
-                Signet ID (ETH)
-              </Label>
-              <Input
-                id="signet-id"
-                value={signetId}
-                onChange={(e) => setSignetId(e.target.value)}
-                placeholder="0x..."
-                className="h-9 font-mono"
-                type="password"
-              />
-            </div>
-
-            <Separator />
-
-            <Button className="w-full">
-              Configure your agent
-            </Button>
-          </div>
-        )
-
-      case "skills":
-        return <div className="pt-2"><SkillsTab /></div>
+        return <div className="flex min-h-0 flex-1 pt-2"><AgentTab /></div>
 
       case CREATE_SETTING_TAB.value:
         return (

src/components/settings/agent-tab.tsx

@@ -0,0 +1,96 @@
+"use client"
+
+import * as React from "react"
+import {
+  BrainCircuit,
+  Blocks,
+  Cable,
+  Fingerprint,
+} from "lucide-react"
+
+import { Button } from "@/components/ui/button"
+import { Input } from "@/components/ui/input"
+import { Label } from "@/components/ui/label"
+import { Separator } from "@/components/ui/separator"
+import { AIModelTab } from "@/components/settings/ai-model-tab"
+import { SkillsTab } from "@/components/settings/skills-tab"
+import { ClaudeCodeTab } from "@/components/settings/claude-code-tab"
+import { cn } from "@/lib/utils"
+
+const SUB_TABS = [
+  { value: "model", label: "Model", icon: BrainCircuit },
+  { value: "skills", label: "Skills", icon: Blocks },
+  { value: "bridge", label: "Bridge", icon: Cable },
+  { value: "identity", label: "Identity", icon: Fingerprint },
+] as const
+
+type SubTab = (typeof SUB_TABS)[number]["value"]
+
+export function AgentTab(): React.ReactElement {
+  const [activeSubTab, setActiveSubTab] =
+    React.useState<SubTab>("model")
+  const [signetId, setSignetId] = React.useState("")
+
+  return (
+    <div className="flex min-h-0 flex-1 flex-col gap-4">
+      <div
+        className="flex gap-1.5"
+        role="radiogroup"
+        aria-label="Agent settings"
+      >
+        {SUB_TABS.map((tab) => {
+          const isActive = activeSubTab === tab.value
+          const Icon = tab.icon
+          return (
+            <button
+              key={tab.value}
+              type="button"
+              role="radio"
+              aria-checked={isActive}
+              onClick={() => setActiveSubTab(tab.value)}
+              className={cn(
+                "flex items-center gap-1.5 rounded-full px-3 py-1.5",
+                "text-xs font-medium transition-all",
+                isActive
+                  ? "bg-primary/10 text-primary ring-1 ring-primary/20"
+                  : "text-muted-foreground hover:bg-muted/70"
+              )}
+            >
+              <Icon className="size-3.5" />
+              <span>{tab.label}</span>
+            </button>
+          )
+        })}
+      </div>
+
+      <div className="min-h-0 flex-1 overflow-y-auto">
+        {activeSubTab === "model" && <AIModelTab />}
+        {activeSubTab === "skills" && <SkillsTab />}
+        {activeSubTab === "bridge" && <ClaudeCodeTab />}
+        {activeSubTab === "identity" && (
+          <div className="space-y-4">
+            <div className="space-y-1.5">
+              <Label htmlFor="signet-id" className="text-xs">
+                Signet ID (ETH)
+              </Label>
+              <Input
+                id="signet-id"
+                value={signetId}
+                onChange={(e) => setSignetId(e.target.value)}
+                placeholder="0x..."
+                className="h-9 font-mono"
+                type="password"
+              />
+            </div>
+
+            <Separator />
+
+            <Button className="w-full">
+              Configure your agent
+            </Button>
+          </div>
+        )}
+      </div>
+    </div>
+  )
+}