test(ui): add primitive story coverage

packages/ui/src/components/Badge.stories.tsx

@@ -5,7 +5,10 @@ const meta: Meta<typeof Badge> = {
   title: 'Components/Badge',
   component: Badge,
   argTypes: {
-    variant: { control: 'select', options: ['success', 'warning', 'error', 'info', 'neutral'] },
+    variant: {
+      control: 'select',
+      options: ['success', 'warning', 'error', 'danger', 'info', 'neutral', 'accent'],
+    },
     size: { control: 'select', options: ['sm', 'md'] },
     dot: { control: 'boolean' },
   },

packages/ui/src/components/Button.stories.tsx

@@ -5,7 +5,10 @@ const meta: Meta<typeof Button> = {
   title: 'Components/Button',
   component: Button,
   argTypes: {
-    variant: { control: 'select', options: ['primary', 'secondary', 'ghost', 'danger'] },
+    variant: {
+      control: 'select',
+      options: ['primary', 'secondary', 'ghost', 'destructive', 'outline', 'subtle', 'link'],
+    },
     size: { control: 'select', options: ['sm', 'md', 'lg'] },
     loading: { control: 'boolean' },
     disabled: { control: 'boolean' },
@@ -28,7 +31,7 @@ export const Ghost: Story = {
 };
 
 export const Danger: Story = {
-  args: { children: 'Danger Button', variant: 'danger' },
+  args: { children: 'Danger Button', variant: 'destructive' },
 };
 
 export const Loading: Story = {

packages/ui/src/components/Card.stories.tsx

@@ -24,7 +24,7 @@ export const WithHeader: Story = {
         <CardTitle>Card Title</CardTitle>
         <CardDescription>A short description of this card.</CardDescription>
       </CardHeader>
-      <p style={{ color: 'var(--bl-text-secondary, #a0a0b0)', fontSize: 14 }}>Body content</p>
+      <p className="text-sm text-[var(--bl-text-secondary)]">Body content</p>
     </Card>
   ),
 };

packages/ui/src/components/Controls.stories.tsx

@@ -0,0 +1,92 @@
+import * as React from 'react';
+import type { Meta, StoryObj } from '@storybook/react';
+import { MoreHorizontal } from 'lucide-react';
+import { Checkbox } from './Checkbox.js';
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuLabel,
+  DropdownMenuSeparator,
+  DropdownMenuTrigger,
+} from './DropdownMenu.js';
+import { IconButton } from './IconButton.js';
+import { RadioGroup, RadioGroupItem } from './RadioGroup.js';
+import { SegmentedControl } from './SegmentedControl.js';
+import { Switch } from './Switch.js';
+import { Tabs, TabsContent, TabsList, TabsTrigger } from './Tabs.js';
+import { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger } from './Tooltip.js';
+
+const meta: Meta = {
+  title: 'Components/Controls',
+};
+
+export default meta;
+type Story = StoryObj;
+
+export const ChoiceControls: Story = {
+  render: () => {
+    const [mode, setMode] = React.useState('review');
+
+    return (
+      <div className="grid max-w-xl gap-4">
+        <SegmentedControl
+          aria-label="Queue mode"
+          value={mode}
+          onValueChange={setMode}
+          options={[
+            { value: 'review', label: 'Review' },
+            { value: 'approved', label: 'Approved' },
+            { value: 'rejected', label: 'Rejected' },
+          ]}
+        />
+        <Checkbox label="Include archived notes" />
+        <Switch label="Auto-refresh queue" />
+        <RadioGroup defaultValue="compact" aria-label="Density">
+          <RadioGroupItem value="compact" label="Compact" />
+          <RadioGroupItem value="comfortable" label="Comfortable" />
+        </RadioGroup>
+      </div>
+    );
+  },
+};
+
+export const OverlaysAndTabs: Story = {
+  render: () => (
+    <TooltipProvider>
+      <div className="grid max-w-xl gap-4">
+        <Tabs defaultValue="queue">
+          <TabsList aria-label="Review sections">
+            <TabsTrigger value="queue">Queue</TabsTrigger>
+            <TabsTrigger value="timeline">Timeline</TabsTrigger>
+          </TabsList>
+          <TabsContent value="queue" className="pt-3">
+            Queue content
+          </TabsContent>
+          <TabsContent value="timeline" className="pt-3">
+            Timeline content
+          </TabsContent>
+        </Tabs>
+        <div className="flex gap-2">
+          <Tooltip>
+            <TooltipTrigger asChild>
+              <IconButton icon={<MoreHorizontal className="h-4 w-4" />} label="More actions" />
+            </TooltipTrigger>
+            <TooltipContent>More actions</TooltipContent>
+          </Tooltip>
+          <DropdownMenu>
+            <DropdownMenuTrigger asChild>
+              <IconButton icon={<MoreHorizontal className="h-4 w-4" />} label="Open menu" />
+            </DropdownMenuTrigger>
+            <DropdownMenuContent>
+              <DropdownMenuLabel>Actions</DropdownMenuLabel>
+              <DropdownMenuSeparator />
+              <DropdownMenuItem>Approve</DropdownMenuItem>
+              <DropdownMenuItem>Reject</DropdownMenuItem>
+            </DropdownMenuContent>
+          </DropdownMenu>
+        </div>
+      </div>
+    </TooltipProvider>
+  ),
+};

packages/ui/src/components/OperationalPrimitives.stories.tsx

@@ -0,0 +1,120 @@
+import type { Meta, StoryObj } from '@storybook/react';
+import { Check, Clock } from 'lucide-react';
+import { Button } from './Button.js';
+import { DataList, DataListItem, DataListMeta } from './DataList.js';
+import {
+  DataTable,
+  DataTableBody,
+  DataTableCell,
+  DataTableHead,
+  DataTableHeader,
+  DataTableRow,
+} from './DataTable.js';
+import { DiffCard } from './DiffCard.js';
+import { IconButton } from './IconButton.js';
+import { ListItemButton } from './ListItemButton.js';
+import { Panel, PanelBody, PanelDescription, PanelHeader, PanelTitle } from './Panel.js';
+import { StatusBadge } from './StatusBadge.js';
+import { Surface, SurfaceList, SurfaceListItem } from './Surface.js';
+import { Timeline } from './Timeline.js';
+
+const meta: Meta = {
+  title: 'Components/Operational Primitives',
+};
+
+export default meta;
+type Story = StoryObj;
+
+export const SurfacesAndLists: Story = {
+  render: () => (
+    <div className="grid max-w-2xl gap-4">
+      <Panel>
+        <PanelHeader>
+          <div>
+            <PanelTitle>Review queue</PanelTitle>
+            <PanelDescription>Dense operator work surface</PanelDescription>
+          </div>
+          <IconButton icon={<Check className="h-4 w-4" />} label="Approve selected" />
+        </PanelHeader>
+        <PanelBody>
+          <ListItemButton selected>
+            <div className="font-medium">Merge duplicate research notes</div>
+            <div className="text-sm text-[var(--bl-text-secondary)]">2 linked notes affected</div>
+          </ListItemButton>
+          <SurfaceList>
+            <SurfaceListItem selected>Selected surface row</SurfaceListItem>
+            <SurfaceListItem>Normal surface row</SurfaceListItem>
+          </SurfaceList>
+        </PanelBody>
+      </Panel>
+      <Surface variant="muted">Reusable muted surface</Surface>
+    </div>
+  ),
+};
+
+export const StatusTimelineAndDiff: Story = {
+  render: () => (
+    <div className="grid max-w-2xl gap-4">
+      <div className="flex gap-2">
+        <StatusBadge tone="success" dot>
+          Approved
+        </StatusBadge>
+        <StatusBadge tone="warning" dot>
+          Needs review
+        </StatusBadge>
+      </div>
+      <Timeline
+        items={[
+          {
+            id: '1',
+            title: 'Draft created',
+            description: 'Agent proposed a note update',
+            status: 'Draft',
+            tone: 'info',
+          },
+          {
+            id: '2',
+            title: 'Human review',
+            description: 'Awaiting decision',
+            status: 'Pending',
+            tone: 'warning',
+          },
+        ]}
+      />
+      <DiffCard before="Original note body" after="Improved note body with extracted actions" />
+    </div>
+  ),
+};
+
+export const DataDisplay: Story = {
+  render: () => (
+    <div className="grid max-w-3xl gap-4">
+      <DataList>
+        <DataListItem selected>
+          <div className="font-medium">Workspace intelligence</div>
+          <DataListMeta>
+            <Clock className="h-3.5 w-3.5" /> Updated 4 minutes ago
+          </DataListMeta>
+        </DataListItem>
+        <DataListItem>Inbox processing</DataListItem>
+      </DataList>
+      <DataTable>
+        <DataTableHeader>
+          <DataTableRow>
+            <DataTableHead>Name</DataTableHead>
+            <DataTableHead>Status</DataTableHead>
+          </DataTableRow>
+        </DataTableHeader>
+        <DataTableBody>
+          <DataTableRow>
+            <DataTableCell>Research notes</DataTableCell>
+            <DataTableCell>
+              <StatusBadge tone="success">Healthy</StatusBadge>
+            </DataTableCell>
+          </DataTableRow>
+        </DataTableBody>
+      </DataTable>
+      <Button variant="subtle">Open details</Button>
+    </div>
+  ),
+};