chore: rename cameleer3 to cameleer

Rename Java packages from com.cameleer3 to com.cameleer, module
directories from cameleer3-* to cameleer-*, and all references
throughout workflows, Dockerfiles, docs, migrations, and pom.xml.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ui/src/components/LayoutShell.tsx

@@ -20,7 +20,7 @@ import {
   useStarred,
 } from '@cameleer/design-system';
 import type { SearchResult, SidebarTreeNode, DropdownItem, ButtonGroupItem, ExchangeStatus } from '@cameleer/design-system';
-import sidebarLogo from '@cameleer/design-system/assets/cameleer3-logo.svg';
+import sidebarLogo from '@cameleer/design-system/assets/cameleer-logo.svg';
 import { Box, Settings, FileText, ChevronRight, Square, Pause, Star, X, User, Plus } from 'lucide-react';
 import { AboutMeDialog } from './AboutMeDialog';
 import css from './LayoutShell.module.css';
@@ -786,6 +786,7 @@ function LayoutContent() {
         user={username ? { name: username } : undefined}
         userMenuItems={userMenuItems}
         onLogout={handleLogout}
+        onNavigate={navigate}
       >
         <SearchTrigger onClick={() => setPaletteOpen(true)} />
         <ButtonGroup