fix(frontend): add New Session CTA to assistant workspace sidebar

- Include New Session primary CTA in assistant workspace view
- Update test expectations for assistant workspace navigation model

Author: chriswritescode-dev

frontend/src/components/navigation/moreDrawerItems.test.ts

@@ -139,12 +139,15 @@ describe('buildNavModel', () => {
     expect(model.primary[1].variant).toBe('secondary')
   })
 
-  it('returns assistant primary CTA for assistant workspace', () => {
+  it('returns new-session and assistant primary CTAs for assistant workspace', () => {
     const model = buildNavModel('/repos/5/assistant')
-    expect(model.primary).toHaveLength(1)
-    expect(model.primary[0].key).toBe('assistant')
-    expect(model.primary[0].to).toBe('/repos/5/assistant')
+    expect(model.primary).toHaveLength(2)
+    expect(model.primary[0].key).toBe('new-session')
+    expect(model.primary[0].onSelect).toBe('new-session')
     expect(model.primary[0].variant).toBe('primary')
+    expect(model.primary[1].key).toBe('assistant')
+    expect(model.primary[1].to).toBe('/repos/5/assistant')
+    expect(model.primary[1].variant).toBe('secondary')
   })
 
   it('returns new-schedule primary CTA for schedules routes', () => {

frontend/src/components/navigation/moreDrawerItems.ts

@@ -121,7 +121,8 @@ export function buildNavModel(pathname: string, options: BuildNavOptions = {}):
 
     return {
       primary: [
-        getAssistantNavItem(pathname, 'primary'),
+        { key: 'new-session', label: 'New Session', icon: SquarePlus, onSelect: 'new-session', variant: 'primary' },
+        getAssistantNavItem(pathname, 'secondary'),
       ],
       items,
     }