feat: add Input, Separator, Sheet, and Sidebar components

- Implemented Input component for user input fields. - Created Separator component for visual separation in UI. - Added Sheet component for modal-like overlays with customizable content. - Developed Sidebar component with collapsible functionality and mobile responsiveness. - Introduced Skeleton component for loading placeholders. - Implemented Tooltip component for contextual hints. - Updated global CSS variables for sidebar theming. - Added useIsMobile hook for responsive design handling. - Modified projects route to include ProjectSidebar. - Enhanced Tailwind CSS configuration for improved styling. - Updated Vite preload configuration for custom entry file naming.
2026-02-19 18:44:13 +01:00
parent 30fde857f4
commit 1206a73db8
22 changed files with 3325 additions and 245 deletions
--- a/components.json
+++ b/components.json
@@ -0,0 +1,20 @@
+{
+  "$schema": "https://ui.shadcn.com/schema.json",
+  "style": "new-york",
+  "rsc": false,
+  "tsx": true,
+  "tailwind": {
+    "config": "tailwind.config.js",
+    "css": "src/renderer/globals.css",
+    "baseColor": "neutral",
+    "cssVariables": true,
+    "prefix": ""
+  },
+  "aliases": {
+    "components": "@/components",
+    "utils": "@/lib/utils",
+    "ui": "@/components/ui",
+    "lib": "@/lib",
+    "hooks": "@/hooks"
+  }
+}
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@@ -46,6 +46,14 @@
  },
  "dependencies": {
    "@fontsource/geist": "^5.2.8",
+    "@radix-ui/react-alert-dialog": "^1.1.15",
+    "@radix-ui/react-collapsible": "^1.1.12",
+    "@radix-ui/react-dialog": "^1.1.15",
+    "@radix-ui/react-dropdown-menu": "^2.1.16",
+    "@radix-ui/react-separator": "^1.1.8",
+    "@radix-ui/react-slot": "^1.2.4",
+    "@radix-ui/react-tooltip": "^1.2.8",
+    "@radix-ui/react-visually-hidden": "^1.2.4",
    "@tanstack/react-query": "^5.90.21",
    "@tanstack/react-router": "^1.161.1",
    "@trpc/client": "^11.10.0",
--- a/prd.json
+++ b/prd.json
@@ -150,12 +150,13 @@
      "title": "Client CRUD UI in Projects sidebar",
      "description": "As a user, I want to create, rename, and delete Clients and Sub-Clients from the Projects sidebar so that I can mirror real-world corporate structures.",
      "acceptanceCriteria": [
-        "'New Client' button at top of Projects sidebar creates a top-level client via clients.create tRPC mutation",
-        "Each client item has a context menu (right-click or kebab icon) with: Rename, New Sub-Client, Delete",
-        "Rename activates an inline editable field replacing the label; pressing Enter or blurring saves via clients.update",
+        "'New Client' button at top of Projects sidebar uses shadcn/ui Button component; creates a top-level client via clients.create tRPC mutation",
+        "Each client item has a context menu using shadcn/ui DropdownMenu (triggered by right-click or kebab icon) with items: Rename, New Sub-Client, Delete",
+        "Rename activates an inline editable field (shadcn/ui Input) replacing the label; pressing Enter or blurring saves via clients.update",
        "'New Sub-Client' calls clients.create with parentId set to the selected client's id",
-        "Delete shows a confirmation dialog; if the client has children or projects, warns the user and offers cascade-delete option",
+        "Delete shows a shadcn/ui AlertDialog confirmation; if the client has children or projects, warns the user and offers cascade-delete option",
        "Tree updates immediately after any mutation without full page reload",
+        "All interactive elements use shadcn/ui primitives: install via 'npx shadcn@latest add button input dropdown-menu alert-dialog' before implementing",
        "Typecheck passes",
        "Verify in browser using dev-browser skill"
      ],
@@ -168,15 +169,16 @@
      "title": "Projects sidebar tree view and project CRUD UI",
      "description": "As a user, I want to see all clients, sub-clients, and projects in a collapsible tree and manage projects from the Projects section.",
      "acceptanceCriteria": [
-        "Tree renders hierarchy: Client (folder icon, bold) → Sub-Client (folder icon) → Project (circle icon)",
+        "Tree renders hierarchy: Client (folder icon, bold) → Sub-Client (folder icon) → Project (circle icon); use shadcn/ui Collapsible for expand/collapse nodes",
        "Clients and sub-clients have expand/collapse chevrons that work independently",
-        "Search input at the top of the Projects sidebar filters the tree in real-time by name (client, sub-client, or project)",
-        "'+ New Project' button opens a dialog with: name input field + optional client dropdown (searchable, lists all clients)",
+        "Search input at the top of the Projects sidebar uses shadcn/ui Input (via SidebarInput from the sidebar component); filters the tree in real-time by name",
+        "'+ New Project' shadcn/ui Button opens a shadcn/ui Dialog with: shadcn/ui Input for name + shadcn/ui Select (searchable) for optional client",
        "Projects with no client appear under 'Internal / No Client' group",
-        "Project context menu has: Edit (re-parent to different client), Archive/Unarchive, Delete",
-        "Archived projects hidden by default; a 'Show archived' toggle reveals them",
+        "Project context menu uses shadcn/ui DropdownMenu with items: Edit (re-parent to different client), Archive/Unarchive, Delete",
+        "Archived projects hidden by default; a shadcn/ui Switch or toggle reveals them",
        "Clicking a project node loads the Project Detail panel in the right pane",
        "Active project highlighted in tree",
+        "Install shadcn/ui components via 'npx shadcn@latest add collapsible dialog select switch' before implementing",
        "Typecheck passes",
        "Verify in browser using dev-browser skill"
      ],
@@ -189,14 +191,15 @@
      "title": "Global Tasks view UI",
      "description": "As a user, I want a global task list where I can create, filter, search, and update tasks across all projects in one place.",
      "acceptanceCriteria": [
-        "4 stat cards at top: Total Tasks, To Do, In Progress, Completed — each with a Lucide icon and count, reactively updated via tasks.list queries",
-        "Search input filters tasks by title or description (case-insensitive, 300ms debounce)",
-        "Status filter tabs: All | To Do | In Progress | Completed — active tab highlighted",
-        "'Order by' dropdown: Due Date | Priority | Created Date",
-        "Task rows display: checkbox, title (bold 14px), description (muted 14px), priority chip (HIGH=red bg+up-arrow, MEDIUM=gray bg+right-arrow, LOW=green bg+down-arrow), due date chip (calendar icon + 'Due Mon DD'), breadcrumb (Client > Sub-Client > Project, chevron-separated), assignee (person icon + name)",
+        "4 stat cards using shadcn/ui Card (Card, CardHeader, CardTitle, CardContent) at top: Total Tasks, To Do, In Progress, Completed — each with a Lucide icon and count, reactively updated via tasks.list queries",
+        "Search uses shadcn/ui Input; filters tasks by title or description (case-insensitive, 300ms debounce)",
+        "Status filter uses shadcn/ui Tabs (Tabs, TabsList, TabsTrigger): All | To Do | In Progress | Completed",
+        "'Order by' uses shadcn/ui DropdownMenu: Due Date | Priority | Created Date",
+        "Task rows display: shadcn/ui Checkbox, title (bold 14px), description (muted 14px), priority chip using shadcn/ui Badge (HIGH=destructive variant, MEDIUM=secondary variant, LOW=outline variant with green), due date chip (calendar icon + 'Due Mon DD'), breadcrumb (Client > Sub-Client > Project, chevron-separated via shadcn/ui Breadcrumb if available), assignee (person icon + name)",
        "Completed task rows have green-tinted background (#f0fdf4 or similar)",
-        "Clicking a checkbox calls tasks.update to set status='done' (or back to 'todo') immediately",
-        "'New Task' button opens a creation modal: title (required), description, priority (select), due date (date picker), project (optional searchable dropdown), assignee (optional text)",
+        "Clicking the shadcn/ui Checkbox calls tasks.update to set status='done' (or back to 'todo') immediately",
+        "'New Task' shadcn/ui Button opens a shadcn/ui Dialog modal: shadcn/ui Input for title (required), Textarea for description, Select for priority, Popover+Calendar for due date, Select for project (optional searchable), Input for assignee (optional)",
+        "Install shadcn/ui components via 'npx shadcn@latest add card tabs checkbox badge dialog textarea select popover calendar' before implementing",
        "Typecheck passes",
        "Verify in browser using dev-browser skill"
      ],
@@ -214,9 +217,10 @@
        "Dot fill: dark (#171717) = isApproved=1 + status todo, green (#16a34a) = done/approved, dashed outline = isApproved=0 (pending AI suggestion)",
        "A vertical 'Today' marker line rendered at the current date",
        "Component uses ResizeObserver for responsive SVG width",
-        "Clicking a checkpoint dot opens a Popover with: title, formatted date, and a Delete button (calls checkpoints.delete)",
+        "Clicking a checkpoint dot opens a shadcn/ui Popover with: title, formatted date, and a shadcn/ui Button (variant=destructive, size=sm) for Delete (calls checkpoints.delete)",
        "Global Timeline route (/timeline) renders GanttChart with all checkpoints from all projects, color-coded or grouped by project",
-        "'+ Add' button opens a dialog: title (required), date picker (required), project dropdown (required in global view)",
+        "'+ Add' shadcn/ui Button opens a shadcn/ui Dialog: shadcn/ui Input for title (required), Popover+Calendar for date picker (required), Select for project dropdown (required in global view)",
+        "Install shadcn/ui components via 'npx shadcn@latest add popover calendar' before implementing (button, dialog, input, select already installed)",
        "Typecheck passes",
        "Verify in browser using dev-browser skill"
      ],
@@ -230,11 +234,12 @@
      "description": "As a user, I want a project detail panel showing breadcrumb navigation, project name, stat cards, and an AI summary card.",
      "acceptanceCriteria": [
        "Right panel renders when a project is selected in the Projects tree",
-        "Breadcrumb at top shows Client > Sub-Client path (chevron-separated) using client data joined from the project",
+        "Breadcrumb at top uses shadcn/ui Breadcrumb (Breadcrumb, BreadcrumbList, BreadcrumbItem, BreadcrumbSeparator) showing Client > Sub-Client path",
        "Project name renders as H1 below the breadcrumb",
-        "3 stat cards displayed horizontally: Notes (count from notes.list), Tasks Complete (done/total fraction from tasks.list), Checkpoints (approved/total fraction from checkpoints.list)",
-        "AI Project Summary card shows: sparkle (sparkles) Lucide icon + placeholder text 'AI summary will appear here' when project.aiSummary is null/empty",
+        "3 stat cards using shadcn/ui Card displayed horizontally: Notes (count from notes.list), Tasks Complete (done/total fraction from tasks.list), Checkpoints (approved/total fraction from checkpoints.list)",
+        "AI Project Summary card uses shadcn/ui Card with sparkle (sparkles) Lucide icon + placeholder text 'AI summary will appear here' when project.aiSummary is null/empty",
        "When project.aiSummary is populated, the card displays the AI-generated text instead",
+        "Install shadcn/ui components via 'npx shadcn@latest add breadcrumb' before implementing (card already installed)",
        "Typecheck passes",
        "Verify in browser using dev-browser skill"
      ],
@@ -248,10 +253,11 @@
      "description": "As a user, I want a Kanban board inside the project detail view with drag-and-drop task management between status columns.",
      "acceptanceCriteria": [
        "@hello-pangea/dnd installed; DragDropContext wraps 3 Droppable columns: To Do | In Progress | Completed",
-        "Each task card is a Draggable rendering: title, description (truncated), priority chip, due date, assignee string",
+        "Each task card is a Draggable wrapped in a shadcn/ui Card rendering: title, description (truncated), priority as shadcn/ui Badge, due date chip, assignee string",
        "Dragging a card to another column calls tasks.update({ id, status }) via tRPC and the UI updates immediately (optimistic or on success)",
-        "'+ Add' button in each column header opens the new task modal with the column's status pre-selected",
-        "Columns show a task count in their header",
+        "'+ Add' shadcn/ui Button (variant=ghost, size=sm) in each column header opens the shadcn/ui Dialog new-task modal with the column's status pre-selected",
+        "Columns show a task count in their header using shadcn/ui Badge (variant=secondary)",
+        "All card content uses shadcn/ui primitives: Card, Badge, Button (already installed)",
        "Typecheck passes",
        "Verify in browser using dev-browser skill"
      ],
@@ -265,10 +271,11 @@
      "description": "As a user, I want to see the project's Gantt timeline and a list of its notes within the project detail scrollable view.",
      "acceptanceCriteria": [
        "Project Detail view includes a 'Project Timeline' section using the GanttChart component (from US-012) scoped to the current project's checkpoints",
-        "'+ Add' button in the timeline section header opens the add-checkpoint dialog with the project pre-selected",
-        "Notes section below Kanban shows a flat list: each row has note title + formatted createdAt date",
-        "'+ Add' button in notes header calls notes.create with a default title and navigates to /notes/:noteId",
+        "'+ Add' shadcn/ui Button (variant=outline, size=sm) in the timeline section header opens the add-checkpoint shadcn/ui Dialog with the project pre-selected",
+        "Notes section below Kanban shows a flat list using shadcn/ui Separator between rows: each row has note title + formatted createdAt date",
+        "'+ Add' shadcn/ui Button in notes header calls notes.create with a default title and navigates to /notes/:noteId",
        "Clicking a note title navigates to /notes/:noteId",
+        "All buttons/dialogs use shadcn/ui components (already installed)",
        "Typecheck passes",
        "Verify in browser using dev-browser skill"
      ],
@@ -283,10 +290,11 @@
      "acceptanceCriteria": [
        "@milkdown/react and @milkdown/preset-commonmark installed; Milkdown editor renders at route /notes/:noteId",
        "Supported Markdown: headings (H1-H6), bold, italic, inline code, code blocks, bullet lists, ordered lists, blockquotes",
-        "Note title editable as a plain text input at the top of the page (separate from Milkdown content area)",
+        "Note title editable as a shadcn/ui Input (variant borderless/ghost style) at the top of the page (separate from Milkdown content area)",
        "Content auto-saves to SQLite via notes.update on Milkdown onChange event, debounced 500ms",
-        "Unsaved indicator shown while save is pending (e.g., a dot or 'Saving...' label next to the title)",
-        "Back button or keyboard shortcut navigates to the previous route (project detail or projects list)",
+        "Unsaved indicator shown using shadcn/ui Badge (variant=secondary, text 'Saving...') next to the title while save is pending",
+        "Back button uses shadcn/ui Button (variant=ghost, size=icon) with ArrowLeft Lucide icon; navigates to the previous route",
+        "All UI chrome uses shadcn/ui components (already installed)",
        "Typecheck passes",
        "Verify in browser using dev-browser skill"
      ],
@@ -322,8 +330,8 @@
        "ai.setToken tRPC mutation accepts { token: string } and stores it via keytar.setPassword('adiuva', 'copilot-token', token)",
        "ai.hasToken tRPC query returns a boolean indicating whether a token is stored",
        "On app start, main process reads the token from keychain and initializes the GitHub Copilot SDK client",
-        "A minimal Settings dialog (accessible from the sidebar bottom or a gear icon) allows the user to paste and save the token via ai.setToken",
-        "If no token is stored, AI-dependent features display a 'Configure API token in Settings' prompt instead of throwing an error",
+        "Settings dialog uses shadcn/ui Dialog (DialogTrigger as a SidebarMenuButton with Settings/gear icon in the sidebar footer); dialog content uses shadcn/ui Input for token paste + shadcn/ui Button to save via ai.setToken",
+        "If no token is stored, AI-dependent features display a prompt using shadcn/ui Card with a shadcn/ui Button linking to the Settings dialog instead of throwing an error",
        "Typecheck passes"
      ],
      "priority": 18,
@@ -352,13 +360,14 @@
      "title": "Context-scoped AI chat UI",
      "description": "As a user, I want the AI chat (revealed by the Fluid Curtain) to display a context header, support message input, and stream AI responses.",
      "acceptanceCriteria": [
-        "Chat panel shows a context header: 'Chatting about: [Project Name]' when opened from a project detail view, or 'Global workspace' when opened from other sections",
-        "Chat input box: white background, border #d4d4d4, shadow-lg, min-height 109px, placeholder 'Ask me anything...', Send button (black bg, icon + 'Send' label) anchored bottom-right",
-        "User messages appear as right-aligned message bubbles; AI responses as left-aligned bubbles",
+        "Chat panel shows a context header using shadcn/ui Badge (variant=outline): 'Chatting about: [Project Name]' when opened from a project detail view, or 'Global workspace' when opened from other sections",
+        "Chat input box uses shadcn/ui Textarea: white background, border #d4d4d4, shadow-lg, min-height 109px, placeholder 'Ask me anything...'; Send uses shadcn/ui Button (black bg, Send Lucide icon + 'Send' label) anchored bottom-right",
+        "User messages appear as right-aligned message bubbles using shadcn/ui Card; AI responses as left-aligned Cards",
        "Streaming: AI response tokens appended to the current AI bubble as they arrive from ai.chat",
-        "A loading spinner or pulsing indicator shown while waiting for first token",
-        "If ai.chat returns { error }, display the error message in a red-tinted bubble",
+        "A loading spinner or pulsing indicator (shadcn/ui Skeleton) shown while waiting for first token",
+        "If ai.chat returns { error }, display the error message in a shadcn/ui Card with destructive border styling",
        "Chat history is session-only — cleared when the curtain closes or the app restarts",
+        "Install shadcn/ui components via 'npx shadcn@latest add textarea' before implementing (card, badge, button, skeleton already installed)",
        "Typecheck passes",
        "Verify in browser using dev-browser skill"
      ],
@@ -417,11 +426,12 @@
      "title": "AI checkpoint suggestions UI",
      "description": "As a user, I want the AI to suggest timeline checkpoints from my meeting notes, which I can approve or reject directly in the timeline.",
      "acceptanceCriteria": [
-        "'Suggest checkpoints' button in the Project Detail timeline header calls ai.chat with a suggest_checkpoints intent for the current project",
+        "'Suggest checkpoints' shadcn/ui Button (variant=outline, sparkles Lucide icon) in the Project Detail timeline header calls ai.chat with a suggest_checkpoints intent for the current project",
        "Suggested checkpoints returned by @ProjectAgent are inserted into the checkpoints table via checkpoints.create with isAiSuggested=1, isApproved=0",
-        "Pending suggestions appear as dismissible cards above or below the GanttChart in the Project Detail timeline section (visually distinct: dashed border or muted style)",
-        "'Approve' button on each card calls checkpoints.update({ id, isApproved: 1 }); the checkpoint then appears as a normal dot on the Gantt",
-        "'Reject' button calls checkpoints.delete({ id }) and removes the card",
+        "Pending suggestions appear as shadcn/ui Card components (with dashed border via className 'border-dashed') above or below the GanttChart in the Project Detail timeline section",
+        "'Approve' shadcn/ui Button (variant=default, size=sm) on each card calls checkpoints.update({ id, isApproved: 1 }); the checkpoint then appears as a normal dot on the Gantt",
+        "'Reject' shadcn/ui Button (variant=ghost, size=sm) calls checkpoints.delete({ id }) and removes the card",
+        "All UI uses shadcn/ui components (already installed)",
        "Typecheck passes",
        "Verify in browser using dev-browser skill"
      ],
@@ -435,12 +445,13 @@
      "description": "As a user, I want the Home screen to greet me with an AI-generated daily brief and pre-populated suggestion chips for quick queries.",
      "acceptanceCriteria": [
        "Greeting rendered as '✦ Hello, {name}' in Geist Semibold 30px with -1px letter-spacing; name sourced from electron-store (defaults to 'there' if not set)",
-        "Top-right corner stat chip shows 'N Task due' where N = count of tasks with dueDate on or before end of today",
+        "Top-right corner stat chip uses shadcn/ui Badge (variant=secondary) showing 'N Task due' where N = count of tasks with dueDate on or before end of today",
        "On app open, ai.chat called with global context to generate a daily brief paragraph highlighting tasks due today/this week and recent project activity",
-        "Brief displayed below greeting; bold key phrases rendered as <strong> (model wraps them in **markdown bold**)",
-        "4 suggestion chips rendered in a 4-column flex row below the chat box; chips are pre-populated from the AI response (model returns a JSON array of { icon: string, label: string } suggestion prompts)",
+        "Brief displayed below greeting in a shadcn/ui Card; bold key phrases rendered as <strong> (model wraps them in **markdown bold**)",
+        "4 suggestion chips rendered in a 4-column flex row below the chat box using shadcn/ui Button (variant=outline); each chip has a Lucide icon + short prompt text",
        "Clicking a suggestion chip populates the chat input with the chip's prompt text",
-        "Chat box: white bg, border #d4d4d4, shadow-lg, min-height 109px, placeholder 'Ask me anything...', Send button (black) bottom-right",
+        "Chat box uses shadcn/ui Textarea: white bg, border #d4d4d4, shadow-lg, min-height 109px, placeholder 'Ask me anything...'; Send uses shadcn/ui Button (black bg) bottom-right",
+        "All UI uses shadcn/ui components (already installed)",
        "Typecheck passes",
        "Verify in browser using dev-browser skill"
      ],
--- a/src/renderer/components/layout/AppShell.tsx
+++ b/src/renderer/components/layout/AppShell.tsx
@@ -8,8 +8,21 @@ import {
  PanelLeft,
  ChevronDown,
 } from 'lucide-react';
-import { cn } from '@/lib/utils';
 import { trpc } from '@/lib/trpc';
+import {
+  Sidebar,
+  SidebarContent,
+  SidebarFooter,
+  SidebarGroup,
+  SidebarGroupContent,
+  SidebarHeader,
+  SidebarInset,
+  SidebarMenu,
+  SidebarMenuButton,
+  SidebarMenuItem,
+  SidebarProvider,
+  useSidebar,
+} from '@/components/ui/sidebar';

 const NAV_ITEMS = [
  { to: '/', icon: House, label: 'Home' },
@@ -28,101 +41,23 @@ export function AppShell({ children }: AppShellProps) {
  });
  const setSidebarCollapsedMutation = trpc.settings.setSidebarCollapsed.useMutation();

-  // localCollapsed tracks user toggles after load; null means "use server value"
-  const [localCollapsed, setLocalCollapsed] = useState<boolean | null>(null);
-
  const routerState = useRouterState();
  const currentPath = routerState.location.pathname;

-  const collapsed = localCollapsed !== null ? localCollapsed : (collapsedQuery.data ?? false);
+  // Controlled open state (spec: "Controlled Sidebar" pattern)
+  const [open, setOpen] = useState(() =>
+    collapsedQuery.data === undefined ? true : !collapsedQuery.data
+  );

-  const handleToggle = () => {
-    const next = !collapsed;
-    setLocalCollapsed(next);
-    setSidebarCollapsedMutation.mutate({ collapsed: next });
+  const handleOpenChange = (value: boolean) => {
+    setOpen(value);
+    setSidebarCollapsedMutation.mutate({ collapsed: !value });
  };

  return (
-    <div className="flex h-screen w-screen overflow-hidden bg-background">
-      {/* Sidebar */}
-      <aside
-        className={cn(
-          'flex flex-col h-full bg-sidebar border-r border-sidebar-border transition-all duration-200 overflow-hidden shrink-0',
-          collapsed ? 'w-16' : 'w-60',
-        )}
-      >
-        {/* Logo */}
-        <div
-          className={cn(
-            'flex items-center gap-3 px-3 py-3 shrink-0',
-            collapsed && 'justify-center',
-          )}
-        >
-          <div className="size-7 rounded-lg bg-primary flex items-center justify-center shrink-0">
-            <svg
-              width="16"
-              height="16"
-              viewBox="0 0 24 24"
-              fill="none"
-              className="text-primary-foreground"
-            >
-              <path
-                d="M12 2L13.5 8.5L20 10L13.5 11.5L12 18L10.5 11.5L4 10L10.5 8.5L12 2Z"
-                fill="currentColor"
-              />
-            </svg>
-          </div>
-          {!collapsed && (
-            <span className="font-semibold text-sm text-foreground">
-              Adiuva
-            </span>
-          )}
-        </div>
-
-        {/* Nav */}
-        <nav className="flex flex-col gap-0.5 px-2 flex-1 mt-2">
-          {NAV_ITEMS.map(({ to, icon: Icon, label }) => {
-            const isActive =
-              to === '/'
-                ? currentPath === '/'
-                : currentPath.startsWith(to);
-
-            return (
-              <Link
-                key={to}
-                to={to}
-                className={cn(
-                  'flex items-center gap-2 h-8 px-3 rounded-md text-sm text-sidebar-foreground transition-colors',
-                  'hover:bg-sidebar-accent',
-                  isActive && 'bg-sidebar-accent font-medium',
-                )}
-              >
-                <Icon size={16} className="shrink-0" />
-                {!collapsed && <span className="truncate">{label}</span>}
-              </Link>
-            );
-          })}
-        </nav>
-
-        {/* Collapse toggle */}
-        <div className="px-2 pb-3 shrink-0">
-          <button
-            onClick={handleToggle}
-            className={cn(
-              'flex items-center gap-2 h-8 px-3 rounded-md text-sm text-sidebar-foreground w-full',
-              'hover:bg-sidebar-accent transition-colors',
-              collapsed && 'justify-center',
-            )}
-            title={collapsed ? 'Expand sidebar' : 'Collapse sidebar'}
-          >
-            <PanelLeft size={16} className="shrink-0" />
-            {!collapsed && <span>Collapse</span>}
-          </button>
-        </div>
-      </aside>
-
-      {/* Main content */}
-      <main className="flex-1 min-w-0 overflow-hidden relative">
+    <SidebarProvider open={open} onOpenChange={handleOpenChange}>
+      <AppSidebar currentPath={currentPath} />
+      <SidebarInset className="overflow-hidden">
        {children}

        {/* Right-edge vertical 'keep scrolling for AI' affordance (non-interactive) */}
@@ -137,7 +72,87 @@ export function AppShell({ children }: AppShellProps) {
            <ChevronDown size={10} className="text-muted-foreground/30" />
          </div>
        </div>
-      </main>
-    </div>
+      </SidebarInset>
+    </SidebarProvider>
+  );
+}
+
+function AppSidebar({ currentPath }: { currentPath: string }) {
+  const { toggleSidebar } = useSidebar();
+
+  return (
+    <Sidebar collapsible="icon">
+      {/* Logo */}
+      <SidebarHeader>
+        <SidebarMenu>
+          <SidebarMenuItem>
+            <SidebarMenuButton size="lg" asChild>
+              <div className="cursor-default">
+                <div className="size-7 rounded-lg bg-primary flex items-center justify-center shrink-0">
+                  <svg
+                    width="16"
+                    height="16"
+                    viewBox="0 0 24 24"
+                    fill="none"
+                    className="text-primary-foreground"
+                  >
+                    <path
+                      d="M12 2L13.5 8.5L20 10L13.5 11.5L12 18L10.5 11.5L4 10L10.5 8.5L12 2Z"
+                      fill="currentColor"
+                    />
+                  </svg>
+                </div>
+                <span className="font-semibold text-sm text-foreground">
+                  Adiuva
+                </span>
+              </div>
+            </SidebarMenuButton>
+          </SidebarMenuItem>
+        </SidebarMenu>
+      </SidebarHeader>
+
+      {/* Nav */}
+      <SidebarContent>
+        <SidebarGroup>
+          <SidebarGroupContent>
+            <SidebarMenu>
+              {NAV_ITEMS.map(({ to, icon: Icon, label }) => {
+                const isActive =
+                  to === '/'
+                    ? currentPath === '/'
+                    : currentPath.startsWith(to);
+
+                return (
+                  <SidebarMenuItem key={to}>
+                    <SidebarMenuButton
+                      asChild
+                      isActive={isActive}
+                      tooltip={label}
+                    >
+                      <Link to={to}>
+                        <Icon />
+                        <span>{label}</span>
+                      </Link>
+                    </SidebarMenuButton>
+                  </SidebarMenuItem>
+                );
+              })}
+            </SidebarMenu>
+          </SidebarGroupContent>
+        </SidebarGroup>
+      </SidebarContent>
+
+      {/* Collapse toggle — spec: useSidebar() + custom trigger */}
+      <SidebarFooter>
+        <SidebarMenu>
+          <SidebarMenuItem>
+            <SidebarMenuButton onClick={toggleSidebar} tooltip="Toggle Sidebar">
+              <PanelLeft />
+              <span>Collapse</span>
+            </SidebarMenuButton>
+          </SidebarMenuItem>
+        </SidebarMenu>
+      </SidebarFooter>
+    </Sidebar>
  );
 }
--- a/src/renderer/components/projects/ProjectSidebar.tsx
+++ b/src/renderer/components/projects/ProjectSidebar.tsx
@@ -0,0 +1,402 @@
+import { useState, useCallback } from 'react';
+import {
+  Folder,
+  ChevronRight,
+  ChevronDown,
+  Plus,
+  MoreHorizontal,
+  Edit2,
+  FolderPlus,
+  Trash2,
+  AlertTriangle,
+} from 'lucide-react';
+import { cn } from '@/lib/utils';
+import { trpc } from '@/lib/trpc';
+import { Button } from '@/components/ui/button';
+import { Input } from '@/components/ui/input';
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuSeparator,
+  DropdownMenuTrigger,
+} from '@/components/ui/dropdown-menu';
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+} from '@/components/ui/alert-dialog';
+import {
+  Collapsible,
+  CollapsibleContent,
+  CollapsibleTrigger,
+} from '@/components/ui/collapsible';
+import {
+  Empty,
+  EmptyContent,
+  EmptyDescription,
+  EmptyHeader,
+  EmptyMedia,
+  EmptyTitle,
+} from '@/components/ui/empty';
+
+type ProjectFlat = {
+  id: string;
+  name: string;
+  parentId: string | null;
+  industry: string | null;
+  createdAt: number;
+};
+
+type ProjectNode = ProjectFlat & { children: ProjectNode[] };
+
+function buildTree(projects: ProjectFlat[]): ProjectNode[] {
+  const map = new Map<string, ProjectNode>();
+  for (const c of projects) map.set(c.id, { ...c, children: [] });
+
+  const roots: ProjectNode[] = [];
+  for (const c of projects) {
+    const node = map.get(c.id)!;
+    if (c.parentId) {
+      const parent = map.get(c.parentId);
+      if (parent) parent.children.push(node);
+      else roots.push(node);
+    } else {
+      roots.push(node);
+    }
+  }
+  return roots;
+}
+
+type DeleteDialog = {
+  id: string;
+  name: string;
+  stage: 'confirm' | 'cascade-warn';
+  errorMessage?: string;
+};
+
+export function ProjectSidebar() {
+  const utils = trpc.useUtils();
+  const { data: projects = [] } = trpc.clients.list.useQuery();
+
+  const [expanded, setExpanded] = useState<Set<string>>(new Set());
+  const [renaming, setRenaming] = useState<{ id: string; value: string } | null>(null);
+  const [deleteDialog, setDeleteDialog] = useState<DeleteDialog | null>(null);
+
+  // Callback ref: auto-focus + select when rename input mounts
+  const renameInputCallback = useCallback((el: HTMLInputElement | null) => {
+    if (el) {
+      el.focus();
+      el.select();
+    }
+  }, []);
+
+  const createMutation = trpc.clients.create.useMutation({
+    onSuccess: () => { void utils.clients.list.invalidate(); },
+  });
+
+  const updateMutation = trpc.clients.update.useMutation({
+    onSuccess: () => { void utils.clients.list.invalidate(); },
+  });
+
+  const deleteMutation = trpc.clients.delete.useMutation({
+    onSuccess: (result) => {
+      if ('error' in result) {
+        setDeleteDialog((prev) =>
+          prev ? { ...prev, stage: 'cascade-warn', errorMessage: result.error } : null,
+        );
+      } else {
+        setDeleteDialog(null);
+        void utils.clients.list.invalidate();
+      }
+    },
+  });
+
+  const cascadeDeleteMutation = trpc.clients.deleteWithCascade.useMutation({
+    onSuccess: () => {
+      setDeleteDialog(null);
+      void utils.clients.list.invalidate();
+    },
+  });
+
+  const tree = buildTree(projects as ProjectFlat[]);
+
+  function toggleExpanded(id: string) {
+    setExpanded((prev) => {
+      const next = new Set(prev);
+      next.has(id) ? next.delete(id) : next.add(id);
+      return next;
+    });
+  }
+
+  function handleNewProject() {
+    createMutation.mutate(
+      { name: 'New Project' },
+      {
+        onSuccess: (result) => {
+          setRenaming({ id: result.id, value: 'New Project' });
+        },
+      },
+    );
+  }
+
+  function handleNewSubProject(parentId: string) {
+    createMutation.mutate(
+      { name: 'New Sub-Project', parentId },
+      {
+        onSuccess: (result) => {
+          setExpanded((prev) => new Set([...prev, parentId]));
+          setRenaming({ id: result.id, value: 'New Sub-Project' });
+        },
+      },
+    );
+  }
+
+  function handleRenameStart(id: string, name: string) {
+    setRenaming({ id, value: name });
+  }
+
+  function handleRenameSave() {
+    if (!renaming) return;
+    const trimmed = renaming.value.trim();
+    if (trimmed) {
+      updateMutation.mutate({ id: renaming.id, name: trimmed });
+    }
+    setRenaming(null);
+  }
+
+  function handleRenameKeyDown(e: React.KeyboardEvent) {
+    if (e.key === 'Enter') handleRenameSave();
+    if (e.key === 'Escape') setRenaming(null);
+  }
+
+  function handleDeleteClick(id: string, name: string) {
+    setDeleteDialog({ id, name, stage: 'confirm' });
+  }
+
+  function handleDeleteConfirm() {
+    if (!deleteDialog) return;
+    deleteMutation.mutate({ id: deleteDialog.id });
+  }
+
+  function handleCascadeDelete() {
+    if (!deleteDialog) return;
+    cascadeDeleteMutation.mutate({ id: deleteDialog.id });
+  }
+
+  function renderNode(node: ProjectNode, depth = 0) {
+    const isExpanded = expanded.has(node.id);
+    const isRenaming = renaming?.id === node.id;
+    const hasChildren = node.children.length > 0;
+
+    return (
+      <Collapsible
+        key={node.id}
+        open={isExpanded}
+        onOpenChange={() => hasChildren && toggleExpanded(node.id)}
+      >
+        <div
+          className="group relative flex items-center h-7 rounded-md text-sm cursor-default hover:bg-accent transition-colors"
+          style={{ paddingLeft: `${8 + depth * 16}px`, paddingRight: '4px' }}
+        >
+          {/* Expand/collapse chevron */}
+          <CollapsibleTrigger asChild>
+            <Button
+              variant="ghost"
+              size="icon"
+              className="size-4 p-0 hover:bg-transparent text-muted-foreground"
+              tabIndex={-1}
+              disabled={!hasChildren}
+            >
+              {hasChildren ? (
+                isExpanded ? <ChevronDown className="size-3" /> : <ChevronRight className="size-3" />
+              ) : (
+                <span className="size-4 inline-block" />
+              )}
+            </Button>
+          </CollapsibleTrigger>
+
+          <Folder className="size-3.5 shrink-0 text-muted-foreground mr-1.5" />
+
+          {isRenaming ? (
+            <Input
+              ref={renameInputCallback}
+              className="flex-1 min-w-0 h-5 text-sm px-1 py-0"
+              value={renaming.value}
+              onChange={(e) => setRenaming({ id: node.id, value: e.target.value })}
+              onBlur={handleRenameSave}
+              onKeyDown={handleRenameKeyDown}
+              onClick={(e) => e.stopPropagation()}
+            />
+          ) : (
+            <span className="flex-1 min-w-0 truncate text-foreground">{node.name}</span>
+          )}
+
+          {/* Kebab menu */}
+          {!isRenaming && (
+            <DropdownMenu>
+              <DropdownMenuTrigger asChild>
+                <Button
+                  variant="ghost"
+                  size="icon"
+                  className={cn(
+                    'size-5 p-0 ml-1 text-muted-foreground hover:bg-muted shrink-0',
+                    'opacity-0 group-hover:opacity-100 data-[state=open]:opacity-100',
+                  )}
+                  tabIndex={-1}
+                >
+                  <MoreHorizontal className="size-3" />
+                </Button>
+              </DropdownMenuTrigger>
+              <DropdownMenuContent align="end" className="min-w-[152px]">
+                <DropdownMenuItem onClick={() => handleRenameStart(node.id, node.name)}>
+                  <Edit2 />
+                  Rename
+                </DropdownMenuItem>
+                <DropdownMenuItem onClick={() => handleNewSubProject(node.id)}>
+                  <FolderPlus />
+                  New Sub-Project
+                </DropdownMenuItem>
+                <DropdownMenuSeparator />
+                <DropdownMenuItem
+                  className="text-destructive focus:text-destructive"
+                  onClick={() => handleDeleteClick(node.id, node.name)}
+                >
+                  <Trash2 />
+                  Delete
+                </DropdownMenuItem>
+              </DropdownMenuContent>
+            </DropdownMenu>
+          )}
+        </div>
+
+        {/* Children */}
+        <CollapsibleContent>
+          {node.children.map((child) => renderNode(child, depth + 1))}
+        </CollapsibleContent>
+      </Collapsible>
+    );
+  }
+
+  return (
+    <div className="flex flex-col h-full border-r border-border w-60 shrink-0">
+      {/* Header */}
+      <div className="flex items-center justify-between px-3 py-2.5 shrink-0">
+        <h4 className="text-lg font-semibold text-foreground">
+          Projects
+        </h4>
+        <Button
+          variant="outline"
+          size="icon"
+          onClick={handleNewProject}
+          disabled={createMutation.isPending}
+          aria-label="New Project"
+        >
+          <Plus />
+        </Button>
+      </div>
+
+      {/* Project tree */}
+      <div className="flex-1 overflow-y-auto py-1 px-1">
+        {tree.length === 0 ? (
+          <Empty>
+            <EmptyHeader>
+              <EmptyMedia variant="icon">
+                <Folder />
+              </EmptyMedia>
+              <EmptyTitle>No project yet</EmptyTitle>
+              <EmptyDescription>
+                Get started by adding your first project.
+              </EmptyDescription>
+            </EmptyHeader>
+            <EmptyContent>
+              <Button
+                variant="outline"
+                size="sm"
+                onClick={handleNewProject}
+                disabled={createMutation.isPending}
+              >
+                <Plus className="mr-1 h-4 w-4" />
+                Add Project
+              </Button>
+            </EmptyContent>
+          </Empty>
+        ) : (
+          tree.map((node) => renderNode(node))
+        )}
+      </div>
+
+      {/* Delete confirmation — AlertDialog */}
+      <AlertDialog
+        open={!!deleteDialog}
+        onOpenChange={(open) => {
+          if (!open && !deleteMutation.isPending && !cascadeDeleteMutation.isPending) {
+            setDeleteDialog(null);
+          }
+        }}
+      >
+        <AlertDialogContent>
+          {deleteDialog?.stage === 'cascade-warn' ? (
+            <>
+              <AlertDialogHeader>
+                <div className="flex items-start gap-3">
+                  <AlertTriangle className="size-5 text-amber-500 shrink-0 mt-0.5" />
+                  <div>
+                    <AlertDialogTitle>Cannot delete safely</AlertDialogTitle>
+                    <AlertDialogDescription className="mt-1">
+                      {deleteDialog.errorMessage}
+                    </AlertDialogDescription>
+                  </div>
+                </div>
+                <AlertDialogDescription>
+                  Force-delete &ldquo;{deleteDialog?.name}&rdquo; along with all its sub-projects?
+                  This cannot be undone.
+                </AlertDialogDescription>
+              </AlertDialogHeader>
+              <AlertDialogFooter>
+                <AlertDialogCancel disabled={cascadeDeleteMutation.isPending}>
+                  Cancel
+                </AlertDialogCancel>
+                <AlertDialogAction
+                  className="bg-destructive text-destructive-foreground hover:bg-destructive/90"
+                  onClick={handleCascadeDelete}
+                  disabled={cascadeDeleteMutation.isPending}
+                >
+                  {cascadeDeleteMutation.isPending ? 'Deleting\u2026' : 'Force Delete All'}
+                </AlertDialogAction>
+              </AlertDialogFooter>
+            </>
+          ) : (
+            <>
+              <AlertDialogHeader>
+                <AlertDialogTitle>
+                  Delete &ldquo;{deleteDialog?.name}&rdquo;?
+                </AlertDialogTitle>
+                <AlertDialogDescription>
+                  This action cannot be undone.
+                </AlertDialogDescription>
+              </AlertDialogHeader>
+              <AlertDialogFooter>
+                <AlertDialogCancel disabled={deleteMutation.isPending}>
+                  Cancel
+                </AlertDialogCancel>
+                <AlertDialogAction
+                  className="bg-destructive text-destructive-foreground hover:bg-destructive/90"
+                  onClick={handleDeleteConfirm}
+                  disabled={deleteMutation.isPending}
+                >
+                  {deleteMutation.isPending ? 'Deleting\u2026' : 'Delete'}
+                </AlertDialogAction>
+              </AlertDialogFooter>
+            </>
+          )}
+        </AlertDialogContent>
+      </AlertDialog>
+    </div>
+  );
+}
--- a/src/renderer/components/ui/alert-dialog.tsx
+++ b/src/renderer/components/ui/alert-dialog.tsx
@@ -0,0 +1,139 @@
+import * as React from "react"
+import * as AlertDialogPrimitive from "@radix-ui/react-alert-dialog"
+
+import { cn } from "@/lib/utils"
+import { buttonVariants } from "@/components/ui/button"
+
+const AlertDialog = AlertDialogPrimitive.Root
+
+const AlertDialogTrigger = AlertDialogPrimitive.Trigger
+
+const AlertDialogPortal = AlertDialogPrimitive.Portal
+
+const AlertDialogOverlay = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Overlay>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Overlay>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPrimitive.Overlay
+    className={cn(
+      "fixed inset-0 z-50 bg-black/80 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+      className
+    )}
+    {...props}
+    ref={ref}
+  />
+))
+AlertDialogOverlay.displayName = AlertDialogPrimitive.Overlay.displayName
+
+const AlertDialogContent = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Content>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPortal>
+    <AlertDialogOverlay />
+    <AlertDialogPrimitive.Content
+      ref={ref}
+      className={cn(
+        "fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg",
+        className
+      )}
+      {...props}
+    />
+  </AlertDialogPortal>
+))
+AlertDialogContent.displayName = AlertDialogPrimitive.Content.displayName
+
+const AlertDialogHeader = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col space-y-2 text-center sm:text-left",
+      className
+    )}
+    {...props}
+  />
+)
+AlertDialogHeader.displayName = "AlertDialogHeader"
+
+const AlertDialogFooter = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2",
+      className
+    )}
+    {...props}
+  />
+)
+AlertDialogFooter.displayName = "AlertDialogFooter"
+
+const AlertDialogTitle = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Title>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Title>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPrimitive.Title
+    ref={ref}
+    className={cn("text-lg font-semibold", className)}
+    {...props}
+  />
+))
+AlertDialogTitle.displayName = AlertDialogPrimitive.Title.displayName
+
+const AlertDialogDescription = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Description>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Description>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPrimitive.Description
+    ref={ref}
+    className={cn("text-sm text-muted-foreground", className)}
+    {...props}
+  />
+))
+AlertDialogDescription.displayName =
+  AlertDialogPrimitive.Description.displayName
+
+const AlertDialogAction = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Action>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Action>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPrimitive.Action
+    ref={ref}
+    className={cn(buttonVariants(), className)}
+    {...props}
+  />
+))
+AlertDialogAction.displayName = AlertDialogPrimitive.Action.displayName
+
+const AlertDialogCancel = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Cancel>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Cancel>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPrimitive.Cancel
+    ref={ref}
+    className={cn(
+      buttonVariants({ variant: "outline" }),
+      "mt-2 sm:mt-0",
+      className
+    )}
+    {...props}
+  />
+))
+AlertDialogCancel.displayName = AlertDialogPrimitive.Cancel.displayName
+
+export {
+  AlertDialog,
+  AlertDialogPortal,
+  AlertDialogOverlay,
+  AlertDialogTrigger,
+  AlertDialogContent,
+  AlertDialogHeader,
+  AlertDialogFooter,
+  AlertDialogTitle,
+  AlertDialogDescription,
+  AlertDialogAction,
+  AlertDialogCancel,
+}
--- a/src/renderer/components/ui/button.tsx
+++ b/src/renderer/components/ui/button.tsx
@@ -0,0 +1,57 @@
+import * as React from "react"
+import { Slot } from "@radix-ui/react-slot"
+import { cva, type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+
+const buttonVariants = cva(
+  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0",
+  {
+    variants: {
+      variant: {
+        default:
+          "bg-primary text-primary-foreground shadow hover:bg-primary/90",
+        destructive:
+          "bg-destructive text-destructive-foreground shadow-sm hover:bg-destructive/90",
+        outline:
+          "border border-input bg-background shadow-sm hover:bg-accent hover:text-accent-foreground",
+        secondary:
+          "bg-secondary text-secondary-foreground shadow-sm hover:bg-secondary/80",
+        ghost: "hover:bg-accent hover:text-accent-foreground",
+        link: "text-primary underline-offset-4 hover:underline",
+      },
+      size: {
+        default: "h-9 px-4 py-2",
+        sm: "h-8 rounded-md px-3 text-xs",
+        lg: "h-10 rounded-md px-8",
+        icon: "h-9 w-9",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  }
+)
+
+export interface ButtonProps
+  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
+    VariantProps<typeof buttonVariants> {
+  asChild?: boolean
+}
+
+const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
+  ({ className, variant, size, asChild = false, ...props }, ref) => {
+    const Comp = asChild ? Slot : "button"
+    return (
+      <Comp
+        className={cn(buttonVariants({ variant, size, className }))}
+        ref={ref}
+        {...props}
+      />
+    )
+  }
+)
+Button.displayName = "Button"
+
+export { Button, buttonVariants }
--- a/src/renderer/components/ui/collapsible.tsx
+++ b/src/renderer/components/ui/collapsible.tsx
@@ -0,0 +1,11 @@
+"use client"
+
+import * as CollapsiblePrimitive from "@radix-ui/react-collapsible"
+
+const Collapsible = CollapsiblePrimitive.Root
+
+const CollapsibleTrigger = CollapsiblePrimitive.CollapsibleTrigger
+
+const CollapsibleContent = CollapsiblePrimitive.CollapsibleContent
+
+export { Collapsible, CollapsibleTrigger, CollapsibleContent }
--- a/src/renderer/components/ui/dropdown-menu.tsx
+++ b/src/renderer/components/ui/dropdown-menu.tsx
@@ -0,0 +1,199 @@
+import * as React from "react"
+import * as DropdownMenuPrimitive from "@radix-ui/react-dropdown-menu"
+import { Check, ChevronRight, Circle } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+const DropdownMenu = DropdownMenuPrimitive.Root
+
+const DropdownMenuTrigger = DropdownMenuPrimitive.Trigger
+
+const DropdownMenuGroup = DropdownMenuPrimitive.Group
+
+const DropdownMenuPortal = DropdownMenuPrimitive.Portal
+
+const DropdownMenuSub = DropdownMenuPrimitive.Sub
+
+const DropdownMenuRadioGroup = DropdownMenuPrimitive.RadioGroup
+
+const DropdownMenuSubTrigger = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.SubTrigger>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.SubTrigger> & {
+    inset?: boolean
+  }
+>(({ className, inset, children, ...props }, ref) => (
+  <DropdownMenuPrimitive.SubTrigger
+    ref={ref}
+    className={cn(
+      "flex cursor-default select-none items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-none focus:bg-accent data-[state=open]:bg-accent [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0",
+      inset && "pl-8",
+      className
+    )}
+    {...props}
+  >
+    {children}
+    <ChevronRight className="ml-auto" />
+  </DropdownMenuPrimitive.SubTrigger>
+))
+DropdownMenuSubTrigger.displayName =
+  DropdownMenuPrimitive.SubTrigger.displayName
+
+const DropdownMenuSubContent = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.SubContent>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.SubContent>
+>(({ className, ...props }, ref) => (
+  <DropdownMenuPrimitive.SubContent
+    ref={ref}
+    className={cn(
+      "z-50 min-w-[8rem] overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-lg data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 origin-[--radix-dropdown-menu-content-transform-origin]",
+      className
+    )}
+    {...props}
+  />
+))
+DropdownMenuSubContent.displayName =
+  DropdownMenuPrimitive.SubContent.displayName
+
+const DropdownMenuContent = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Content>
+>(({ className, sideOffset = 4, ...props }, ref) => (
+  <DropdownMenuPrimitive.Portal>
+    <DropdownMenuPrimitive.Content
+      ref={ref}
+      sideOffset={sideOffset}
+      className={cn(
+        "z-50 max-h-[var(--radix-dropdown-menu-content-available-height)] min-w-[8rem] overflow-y-auto overflow-x-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-md",
+        "data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 origin-[--radix-dropdown-menu-content-transform-origin]",
+        className
+      )}
+      {...props}
+    />
+  </DropdownMenuPrimitive.Portal>
+))
+DropdownMenuContent.displayName = DropdownMenuPrimitive.Content.displayName
+
+const DropdownMenuItem = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Item> & {
+    inset?: boolean
+  }
+>(({ className, inset, ...props }, ref) => (
+  <DropdownMenuPrimitive.Item
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&>svg]:size-4 [&>svg]:shrink-0",
+      inset && "pl-8",
+      className
+    )}
+    {...props}
+  />
+))
+DropdownMenuItem.displayName = DropdownMenuPrimitive.Item.displayName
+
+const DropdownMenuCheckboxItem = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.CheckboxItem>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.CheckboxItem>
+>(({ className, children, checked, ...props }, ref) => (
+  <DropdownMenuPrimitive.CheckboxItem
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
+      className
+    )}
+    checked={checked}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <DropdownMenuPrimitive.ItemIndicator>
+        <Check className="h-4 w-4" />
+      </DropdownMenuPrimitive.ItemIndicator>
+    </span>
+    {children}
+  </DropdownMenuPrimitive.CheckboxItem>
+))
+DropdownMenuCheckboxItem.displayName =
+  DropdownMenuPrimitive.CheckboxItem.displayName
+
+const DropdownMenuRadioItem = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.RadioItem>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.RadioItem>
+>(({ className, children, ...props }, ref) => (
+  <DropdownMenuPrimitive.RadioItem
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
+      className
+    )}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <DropdownMenuPrimitive.ItemIndicator>
+        <Circle className="h-2 w-2 fill-current" />
+      </DropdownMenuPrimitive.ItemIndicator>
+    </span>
+    {children}
+  </DropdownMenuPrimitive.RadioItem>
+))
+DropdownMenuRadioItem.displayName = DropdownMenuPrimitive.RadioItem.displayName
+
+const DropdownMenuLabel = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Label>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Label> & {
+    inset?: boolean
+  }
+>(({ className, inset, ...props }, ref) => (
+  <DropdownMenuPrimitive.Label
+    ref={ref}
+    className={cn(
+      "px-2 py-1.5 text-sm font-semibold",
+      inset && "pl-8",
+      className
+    )}
+    {...props}
+  />
+))
+DropdownMenuLabel.displayName = DropdownMenuPrimitive.Label.displayName
+
+const DropdownMenuSeparator = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Separator>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Separator>
+>(({ className, ...props }, ref) => (
+  <DropdownMenuPrimitive.Separator
+    ref={ref}
+    className={cn("-mx-1 my-1 h-px bg-muted", className)}
+    {...props}
+  />
+))
+DropdownMenuSeparator.displayName = DropdownMenuPrimitive.Separator.displayName
+
+const DropdownMenuShortcut = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLSpanElement>) => {
+  return (
+    <span
+      className={cn("ml-auto text-xs tracking-widest opacity-60", className)}
+      {...props}
+    />
+  )
+}
+DropdownMenuShortcut.displayName = "DropdownMenuShortcut"
+
+export {
+  DropdownMenu,
+  DropdownMenuTrigger,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuCheckboxItem,
+  DropdownMenuRadioItem,
+  DropdownMenuLabel,
+  DropdownMenuSeparator,
+  DropdownMenuShortcut,
+  DropdownMenuGroup,
+  DropdownMenuPortal,
+  DropdownMenuSub,
+  DropdownMenuSubContent,
+  DropdownMenuSubTrigger,
+  DropdownMenuRadioGroup,
+}
--- a/src/renderer/components/ui/empty.tsx
+++ b/src/renderer/components/ui/empty.tsx
@@ -0,0 +1,104 @@
+import { cva, type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+
+function Empty({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="empty"
+      className={cn(
+        "flex min-w-0 flex-1 flex-col items-center justify-center gap-6 text-balance rounded-lg border-dashed p-6 text-center md:p-12",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function EmptyHeader({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="empty-header"
+      className={cn(
+        "flex max-w-sm flex-col items-center gap-2 text-center",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+const emptyMediaVariants = cva(
+  "mb-2 flex shrink-0 items-center justify-center [&_svg]:pointer-events-none [&_svg]:shrink-0",
+  {
+    variants: {
+      variant: {
+        default: "bg-transparent",
+        icon: "bg-muted text-foreground flex size-10 shrink-0 items-center justify-center rounded-lg [&_svg:not([class*='size-'])]:size-6",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+    },
+  }
+)
+
+function EmptyMedia({
+  className,
+  variant = "default",
+  ...props
+}: React.ComponentProps<"div"> & VariantProps<typeof emptyMediaVariants>) {
+  return (
+    <div
+      data-slot="empty-icon"
+      data-variant={variant}
+      className={cn(emptyMediaVariants({ variant, className }))}
+      {...props}
+    />
+  )
+}
+
+function EmptyTitle({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="empty-title"
+      className={cn("text-lg font-medium tracking-tight", className)}
+      {...props}
+    />
+  )
+}
+
+function EmptyDescription({ className, ...props }: React.ComponentProps<"p">) {
+  return (
+    <div
+      data-slot="empty-description"
+      className={cn(
+        "text-muted-foreground [&>a:hover]:text-primary text-sm/relaxed [&>a]:underline [&>a]:underline-offset-4",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function EmptyContent({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="empty-content"
+      className={cn(
+        "flex w-full min-w-0 max-w-sm flex-col items-center gap-4 text-balance text-sm",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+export {
+  Empty,
+  EmptyHeader,
+  EmptyTitle,
+  EmptyDescription,
+  EmptyContent,
+  EmptyMedia,
+}
--- a/src/renderer/components/ui/input.tsx
+++ b/src/renderer/components/ui/input.tsx
@@ -0,0 +1,22 @@
+import * as React from "react"
+
+import { cn } from "@/lib/utils"
+
+const Input = React.forwardRef<HTMLInputElement, React.ComponentProps<"input">>(
+  ({ className, type, ...props }, ref) => {
+    return (
+      <input
+        type={type}
+        className={cn(
+          "flex h-9 w-full rounded-md border border-input bg-transparent px-3 py-1 text-base shadow-sm transition-colors file:border-0 file:bg-transparent file:text-sm file:font-medium file:text-foreground placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:cursor-not-allowed disabled:opacity-50 md:text-sm",
+          className
+        )}
+        ref={ref}
+        {...props}
+      />
+    )
+  }
+)
+Input.displayName = "Input"
+
+export { Input }
--- a/src/renderer/components/ui/separator.tsx
+++ b/src/renderer/components/ui/separator.tsx
@@ -0,0 +1,29 @@
+import * as React from "react"
+import * as SeparatorPrimitive from "@radix-ui/react-separator"
+
+import { cn } from "@/lib/utils"
+
+const Separator = React.forwardRef<
+  React.ElementRef<typeof SeparatorPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof SeparatorPrimitive.Root>
+>(
+  (
+    { className, orientation = "horizontal", decorative = true, ...props },
+    ref
+  ) => (
+    <SeparatorPrimitive.Root
+      ref={ref}
+      decorative={decorative}
+      orientation={orientation}
+      className={cn(
+        "shrink-0 bg-border",
+        orientation === "horizontal" ? "h-[1px] w-full" : "h-full w-[1px]",
+        className
+      )}
+      {...props}
+    />
+  )
+)
+Separator.displayName = SeparatorPrimitive.Root.displayName
+
+export { Separator }
--- a/src/renderer/components/ui/sheet.tsx
+++ b/src/renderer/components/ui/sheet.tsx
@@ -0,0 +1,140 @@
+"use client"
+
+import * as React from "react"
+import * as SheetPrimitive from "@radix-ui/react-dialog"
+import { cva, type VariantProps } from "class-variance-authority"
+import { X } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+const Sheet = SheetPrimitive.Root
+
+const SheetTrigger = SheetPrimitive.Trigger
+
+const SheetClose = SheetPrimitive.Close
+
+const SheetPortal = SheetPrimitive.Portal
+
+const SheetOverlay = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Overlay>,
+  React.ComponentPropsWithoutRef<typeof SheetPrimitive.Overlay>
+>(({ className, ...props }, ref) => (
+  <SheetPrimitive.Overlay
+    className={cn(
+      "fixed inset-0 z-50 bg-black/80  data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+      className
+    )}
+    {...props}
+    ref={ref}
+  />
+))
+SheetOverlay.displayName = SheetPrimitive.Overlay.displayName
+
+const sheetVariants = cva(
+  "fixed z-50 gap-4 bg-background p-6 shadow-lg transition ease-in-out data-[state=closed]:duration-300 data-[state=open]:duration-500 data-[state=open]:animate-in data-[state=closed]:animate-out",
+  {
+    variants: {
+      side: {
+        top: "inset-x-0 top-0 border-b data-[state=closed]:slide-out-to-top data-[state=open]:slide-in-from-top",
+        bottom:
+          "inset-x-0 bottom-0 border-t data-[state=closed]:slide-out-to-bottom data-[state=open]:slide-in-from-bottom",
+        left: "inset-y-0 left-0 h-full w-3/4 border-r data-[state=closed]:slide-out-to-left data-[state=open]:slide-in-from-left sm:max-w-sm",
+        right:
+          "inset-y-0 right-0 h-full w-3/4 border-l data-[state=closed]:slide-out-to-right data-[state=open]:slide-in-from-right sm:max-w-sm",
+      },
+    },
+    defaultVariants: {
+      side: "right",
+    },
+  }
+)
+
+interface SheetContentProps
+  extends React.ComponentPropsWithoutRef<typeof SheetPrimitive.Content>,
+    VariantProps<typeof sheetVariants> {}
+
+const SheetContent = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Content>,
+  SheetContentProps
+>(({ side = "right", className, children, ...props }, ref) => (
+  <SheetPortal>
+    <SheetOverlay />
+    <SheetPrimitive.Content
+      ref={ref}
+      className={cn(sheetVariants({ side }), className)}
+      {...props}
+    >
+      <SheetPrimitive.Close className="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none data-[state=open]:bg-secondary">
+        <X className="h-4 w-4" />
+        <span className="sr-only">Close</span>
+      </SheetPrimitive.Close>
+      {children}
+    </SheetPrimitive.Content>
+  </SheetPortal>
+))
+SheetContent.displayName = SheetPrimitive.Content.displayName
+
+const SheetHeader = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col space-y-2 text-center sm:text-left",
+      className
+    )}
+    {...props}
+  />
+)
+SheetHeader.displayName = "SheetHeader"
+
+const SheetFooter = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2",
+      className
+    )}
+    {...props}
+  />
+)
+SheetFooter.displayName = "SheetFooter"
+
+const SheetTitle = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Title>,
+  React.ComponentPropsWithoutRef<typeof SheetPrimitive.Title>
+>(({ className, ...props }, ref) => (
+  <SheetPrimitive.Title
+    ref={ref}
+    className={cn("text-lg font-semibold text-foreground", className)}
+    {...props}
+  />
+))
+SheetTitle.displayName = SheetPrimitive.Title.displayName
+
+const SheetDescription = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Description>,
+  React.ComponentPropsWithoutRef<typeof SheetPrimitive.Description>
+>(({ className, ...props }, ref) => (
+  <SheetPrimitive.Description
+    ref={ref}
+    className={cn("text-sm text-muted-foreground", className)}
+    {...props}
+  />
+))
+SheetDescription.displayName = SheetPrimitive.Description.displayName
+
+export {
+  Sheet,
+  SheetPortal,
+  SheetOverlay,
+  SheetTrigger,
+  SheetClose,
+  SheetContent,
+  SheetHeader,
+  SheetFooter,
+  SheetTitle,
+  SheetDescription,
+}
--- a/src/renderer/components/ui/sidebar.tsx
+++ b/src/renderer/components/ui/sidebar.tsx
@@ -0,0 +1,771 @@
+import * as React from "react"
+import { Slot } from "@radix-ui/react-slot"
+import { cva, type VariantProps } from "class-variance-authority"
+import { PanelLeft } from "lucide-react"
+
+import { useIsMobile } from "@/hooks/use-mobile"
+import { cn } from "@/lib/utils"
+import { Button } from "@/components/ui/button"
+import { Input } from "@/components/ui/input"
+import { Separator } from "@/components/ui/separator"
+import {
+  Sheet,
+  SheetContent,
+  SheetDescription,
+  SheetHeader,
+  SheetTitle,
+} from "@/components/ui/sheet"
+import { Skeleton } from "@/components/ui/skeleton"
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipProvider,
+  TooltipTrigger,
+} from "@/components/ui/tooltip"
+
+const SIDEBAR_COOKIE_NAME = "sidebar_state"
+const SIDEBAR_COOKIE_MAX_AGE = 60 * 60 * 24 * 7
+const SIDEBAR_WIDTH = "16rem"
+const SIDEBAR_WIDTH_MOBILE = "18rem"
+const SIDEBAR_WIDTH_ICON = "3rem"
+const SIDEBAR_KEYBOARD_SHORTCUT = "b"
+
+type SidebarContextProps = {
+  state: "expanded" | "collapsed"
+  open: boolean
+  setOpen: (open: boolean) => void
+  openMobile: boolean
+  setOpenMobile: (open: boolean) => void
+  isMobile: boolean
+  toggleSidebar: () => void
+}
+
+const SidebarContext = React.createContext<SidebarContextProps | null>(null)
+
+function useSidebar() {
+  const context = React.useContext(SidebarContext)
+  if (!context) {
+    throw new Error("useSidebar must be used within a SidebarProvider.")
+  }
+
+  return context
+}
+
+const SidebarProvider = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & {
+    defaultOpen?: boolean
+    open?: boolean
+    onOpenChange?: (open: boolean) => void
+  }
+>(
+  (
+    {
+      defaultOpen = true,
+      open: openProp,
+      onOpenChange: setOpenProp,
+      className,
+      style,
+      children,
+      ...props
+    },
+    ref
+  ) => {
+    const isMobile = useIsMobile()
+    const [openMobile, setOpenMobile] = React.useState(false)
+
+    // This is the internal state of the sidebar.
+    // We use openProp and setOpenProp for control from outside the component.
+    const [_open, _setOpen] = React.useState(defaultOpen)
+    const open = openProp ?? _open
+    const setOpen = React.useCallback(
+      (value: boolean | ((value: boolean) => boolean)) => {
+        const openState = typeof value === "function" ? value(open) : value
+        if (setOpenProp) {
+          setOpenProp(openState)
+        } else {
+          _setOpen(openState)
+        }
+
+        // This sets the cookie to keep the sidebar state.
+        document.cookie = `${SIDEBAR_COOKIE_NAME}=${openState}; path=/; max-age=${SIDEBAR_COOKIE_MAX_AGE}`
+      },
+      [setOpenProp, open]
+    )
+
+    // Helper to toggle the sidebar.
+    const toggleSidebar = React.useCallback(() => {
+      return isMobile
+        ? setOpenMobile((open) => !open)
+        : setOpen((open) => !open)
+    }, [isMobile, setOpen, setOpenMobile])
+
+    // Adds a keyboard shortcut to toggle the sidebar.
+    React.useEffect(() => {
+      const handleKeyDown = (event: KeyboardEvent) => {
+        if (
+          event.key === SIDEBAR_KEYBOARD_SHORTCUT &&
+          (event.metaKey || event.ctrlKey)
+        ) {
+          event.preventDefault()
+          toggleSidebar()
+        }
+      }
+
+      window.addEventListener("keydown", handleKeyDown)
+      return () => window.removeEventListener("keydown", handleKeyDown)
+    }, [toggleSidebar])
+
+    // We add a state so that we can do data-state="expanded" or "collapsed".
+    // This makes it easier to style the sidebar with Tailwind classes.
+    const state = open ? "expanded" : "collapsed"
+
+    const contextValue = React.useMemo<SidebarContextProps>(
+      () => ({
+        state,
+        open,
+        setOpen,
+        isMobile,
+        openMobile,
+        setOpenMobile,
+        toggleSidebar,
+      }),
+      [state, open, setOpen, isMobile, openMobile, setOpenMobile, toggleSidebar]
+    )
+
+    return (
+      <SidebarContext.Provider value={contextValue}>
+        <TooltipProvider delayDuration={0}>
+          <div
+            style={
+              {
+                "--sidebar-width": SIDEBAR_WIDTH,
+                "--sidebar-width-icon": SIDEBAR_WIDTH_ICON,
+                ...style,
+              } as React.CSSProperties
+            }
+            className={cn(
+              "group/sidebar-wrapper flex min-h-svh w-full has-[[data-variant=inset]]:bg-sidebar",
+              className
+            )}
+            ref={ref}
+            {...props}
+          >
+            {children}
+          </div>
+        </TooltipProvider>
+      </SidebarContext.Provider>
+    )
+  }
+)
+SidebarProvider.displayName = "SidebarProvider"
+
+const Sidebar = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & {
+    side?: "left" | "right"
+    variant?: "sidebar" | "floating" | "inset"
+    collapsible?: "offcanvas" | "icon" | "none"
+  }
+>(
+  (
+    {
+      side = "left",
+      variant = "sidebar",
+      collapsible = "offcanvas",
+      className,
+      children,
+      ...props
+    },
+    ref
+  ) => {
+    const { isMobile, state, openMobile, setOpenMobile } = useSidebar()
+
+    if (collapsible === "none") {
+      return (
+        <div
+          className={cn(
+            "flex h-full w-[--sidebar-width] flex-col bg-sidebar text-sidebar-foreground",
+            className
+          )}
+          ref={ref}
+          {...props}
+        >
+          {children}
+        </div>
+      )
+    }
+
+    if (isMobile) {
+      return (
+        <Sheet open={openMobile} onOpenChange={setOpenMobile} {...props}>
+          <SheetContent
+            data-sidebar="sidebar"
+            data-mobile="true"
+            className="w-[--sidebar-width] bg-sidebar p-0 text-sidebar-foreground [&>button]:hidden"
+            style={
+              {
+                "--sidebar-width": SIDEBAR_WIDTH_MOBILE,
+              } as React.CSSProperties
+            }
+            side={side}
+          >
+            <SheetHeader className="sr-only">
+              <SheetTitle>Sidebar</SheetTitle>
+              <SheetDescription>Displays the mobile sidebar.</SheetDescription>
+            </SheetHeader>
+            <div className="flex h-full w-full flex-col">{children}</div>
+          </SheetContent>
+        </Sheet>
+      )
+    }
+
+    return (
+      <div
+        ref={ref}
+        className="group peer hidden text-sidebar-foreground md:block"
+        data-state={state}
+        data-collapsible={state === "collapsed" ? collapsible : ""}
+        data-variant={variant}
+        data-side={side}
+      >
+        {/* This is what handles the sidebar gap on desktop */}
+        <div
+          className={cn(
+            "relative w-[--sidebar-width] bg-transparent transition-[width] duration-200 ease-linear",
+            "group-data-[collapsible=offcanvas]:w-0",
+            "group-data-[side=right]:rotate-180",
+            variant === "floating" || variant === "inset"
+              ? "group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)_+_theme(spacing.4))]"
+              : "group-data-[collapsible=icon]:w-[--sidebar-width-icon]"
+          )}
+        />
+        <div
+          className={cn(
+            "fixed inset-y-0 z-10 hidden h-svh w-[--sidebar-width] transition-[left,right,width] duration-200 ease-linear md:flex",
+            side === "left"
+              ? "left-0 group-data-[collapsible=offcanvas]:left-[calc(var(--sidebar-width)*-1)]"
+              : "right-0 group-data-[collapsible=offcanvas]:right-[calc(var(--sidebar-width)*-1)]",
+            // Adjust the padding for floating and inset variants.
+            variant === "floating" || variant === "inset"
+              ? "p-2 group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)_+_theme(spacing.4)_+2px)]"
+              : "group-data-[collapsible=icon]:w-[--sidebar-width-icon] group-data-[side=left]:border-r group-data-[side=right]:border-l",
+            className
+          )}
+          {...props}
+        >
+          <div
+            data-sidebar="sidebar"
+            className="flex h-full w-full flex-col bg-sidebar group-data-[variant=floating]:rounded-lg group-data-[variant=floating]:border group-data-[variant=floating]:border-sidebar-border group-data-[variant=floating]:shadow"
+          >
+            {children}
+          </div>
+        </div>
+      </div>
+    )
+  }
+)
+Sidebar.displayName = "Sidebar"
+
+const SidebarTrigger = React.forwardRef<
+  React.ElementRef<typeof Button>,
+  React.ComponentProps<typeof Button>
+>(({ className, onClick, ...props }, ref) => {
+  const { toggleSidebar } = useSidebar()
+
+  return (
+    <Button
+      ref={ref}
+      data-sidebar="trigger"
+      variant="ghost"
+      size="icon"
+      className={cn("h-7 w-7", className)}
+      onClick={(event) => {
+        onClick?.(event)
+        toggleSidebar()
+      }}
+      {...props}
+    >
+      <PanelLeft />
+      <span className="sr-only">Toggle Sidebar</span>
+    </Button>
+  )
+})
+SidebarTrigger.displayName = "SidebarTrigger"
+
+const SidebarRail = React.forwardRef<
+  HTMLButtonElement,
+  React.ComponentProps<"button">
+>(({ className, ...props }, ref) => {
+  const { toggleSidebar } = useSidebar()
+
+  return (
+    <button
+      ref={ref}
+      data-sidebar="rail"
+      aria-label="Toggle Sidebar"
+      tabIndex={-1}
+      onClick={toggleSidebar}
+      title="Toggle Sidebar"
+      className={cn(
+        "absolute inset-y-0 z-20 hidden w-4 -translate-x-1/2 transition-all ease-linear after:absolute after:inset-y-0 after:left-1/2 after:w-[2px] hover:after:bg-sidebar-border group-data-[side=left]:-right-4 group-data-[side=right]:left-0 sm:flex",
+        "[[data-side=left]_&]:cursor-w-resize [[data-side=right]_&]:cursor-e-resize",
+        "[[data-side=left][data-state=collapsed]_&]:cursor-e-resize [[data-side=right][data-state=collapsed]_&]:cursor-w-resize",
+        "group-data-[collapsible=offcanvas]:translate-x-0 group-data-[collapsible=offcanvas]:after:left-full group-data-[collapsible=offcanvas]:hover:bg-sidebar",
+        "[[data-side=left][data-collapsible=offcanvas]_&]:-right-2",
+        "[[data-side=right][data-collapsible=offcanvas]_&]:-left-2",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarRail.displayName = "SidebarRail"
+
+const SidebarInset = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"main">
+>(({ className, ...props }, ref) => {
+  return (
+    <main
+      ref={ref}
+      className={cn(
+        "relative flex w-full flex-1 flex-col bg-background",
+        "md:peer-data-[variant=inset]:m-2 md:peer-data-[state=collapsed]:peer-data-[variant=inset]:ml-2 md:peer-data-[variant=inset]:ml-0 md:peer-data-[variant=inset]:rounded-xl md:peer-data-[variant=inset]:shadow",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarInset.displayName = "SidebarInset"
+
+const SidebarInput = React.forwardRef<
+  React.ElementRef<typeof Input>,
+  React.ComponentProps<typeof Input>
+>(({ className, ...props }, ref) => {
+  return (
+    <Input
+      ref={ref}
+      data-sidebar="input"
+      className={cn(
+        "h-8 w-full bg-background shadow-none focus-visible:ring-2 focus-visible:ring-sidebar-ring",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarInput.displayName = "SidebarInput"
+
+const SidebarHeader = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => {
+  return (
+    <div
+      ref={ref}
+      data-sidebar="header"
+      className={cn("flex flex-col gap-2 p-2", className)}
+      {...props}
+    />
+  )
+})
+SidebarHeader.displayName = "SidebarHeader"
+
+const SidebarFooter = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => {
+  return (
+    <div
+      ref={ref}
+      data-sidebar="footer"
+      className={cn("flex flex-col gap-2 p-2", className)}
+      {...props}
+    />
+  )
+})
+SidebarFooter.displayName = "SidebarFooter"
+
+const SidebarSeparator = React.forwardRef<
+  React.ElementRef<typeof Separator>,
+  React.ComponentProps<typeof Separator>
+>(({ className, ...props }, ref) => {
+  return (
+    <Separator
+      ref={ref}
+      data-sidebar="separator"
+      className={cn("mx-2 w-auto bg-sidebar-border", className)}
+      {...props}
+    />
+  )
+})
+SidebarSeparator.displayName = "SidebarSeparator"
+
+const SidebarContent = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => {
+  return (
+    <div
+      ref={ref}
+      data-sidebar="content"
+      className={cn(
+        "flex min-h-0 flex-1 flex-col gap-2 overflow-auto group-data-[collapsible=icon]:overflow-hidden",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarContent.displayName = "SidebarContent"
+
+const SidebarGroup = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => {
+  return (
+    <div
+      ref={ref}
+      data-sidebar="group"
+      className={cn("relative flex w-full min-w-0 flex-col p-2", className)}
+      {...props}
+    />
+  )
+})
+SidebarGroup.displayName = "SidebarGroup"
+
+const SidebarGroupLabel = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & { asChild?: boolean }
+>(({ className, asChild = false, ...props }, ref) => {
+  const Comp = asChild ? Slot : "div"
+
+  return (
+    <Comp
+      ref={ref}
+      data-sidebar="group-label"
+      className={cn(
+        "flex h-8 shrink-0 items-center rounded-md px-2 text-xs font-medium text-sidebar-foreground/70 outline-none ring-sidebar-ring transition-[margin,opacity] duration-200 ease-linear focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0",
+        "group-data-[collapsible=icon]:-mt-8 group-data-[collapsible=icon]:opacity-0",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarGroupLabel.displayName = "SidebarGroupLabel"
+
+const SidebarGroupAction = React.forwardRef<
+  HTMLButtonElement,
+  React.ComponentProps<"button"> & { asChild?: boolean }
+>(({ className, asChild = false, ...props }, ref) => {
+  const Comp = asChild ? Slot : "button"
+
+  return (
+    <Comp
+      ref={ref}
+      data-sidebar="group-action"
+      className={cn(
+        "absolute right-3 top-3.5 flex aspect-square w-5 items-center justify-center rounded-md p-0 text-sidebar-foreground outline-none ring-sidebar-ring transition-transform hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0",
+        // Increases the hit area of the button on mobile.
+        "after:absolute after:-inset-2 after:md:hidden",
+        "group-data-[collapsible=icon]:hidden",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarGroupAction.displayName = "SidebarGroupAction"
+
+const SidebarGroupContent = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => (
+  <div
+    ref={ref}
+    data-sidebar="group-content"
+    className={cn("w-full text-sm", className)}
+    {...props}
+  />
+))
+SidebarGroupContent.displayName = "SidebarGroupContent"
+
+const SidebarMenu = React.forwardRef<
+  HTMLUListElement,
+  React.ComponentProps<"ul">
+>(({ className, ...props }, ref) => (
+  <ul
+    ref={ref}
+    data-sidebar="menu"
+    className={cn("flex w-full min-w-0 flex-col gap-1", className)}
+    {...props}
+  />
+))
+SidebarMenu.displayName = "SidebarMenu"
+
+const SidebarMenuItem = React.forwardRef<
+  HTMLLIElement,
+  React.ComponentProps<"li">
+>(({ className, ...props }, ref) => (
+  <li
+    ref={ref}
+    data-sidebar="menu-item"
+    className={cn("group/menu-item relative", className)}
+    {...props}
+  />
+))
+SidebarMenuItem.displayName = "SidebarMenuItem"
+
+const sidebarMenuButtonVariants = cva(
+  "peer/menu-button flex w-full items-center gap-2 overflow-hidden rounded-md p-2 text-left text-sm outline-none ring-sidebar-ring transition-[width,height,padding] hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 active:bg-sidebar-accent active:text-sidebar-accent-foreground disabled:pointer-events-none disabled:opacity-50 group-has-[[data-sidebar=menu-action]]/menu-item:pr-8 aria-disabled:pointer-events-none aria-disabled:opacity-50 data-[active=true]:bg-sidebar-accent data-[active=true]:font-medium data-[active=true]:text-sidebar-accent-foreground data-[state=open]:hover:bg-sidebar-accent data-[state=open]:hover:text-sidebar-accent-foreground group-data-[collapsible=icon]:!size-8 group-data-[collapsible=icon]:!p-2 [&>span:last-child]:truncate [&>svg]:size-4 [&>svg]:shrink-0",
+  {
+    variants: {
+      variant: {
+        default: "hover:bg-sidebar-accent hover:text-sidebar-accent-foreground",
+        outline:
+          "bg-background shadow-[0_0_0_1px_hsl(var(--sidebar-border))] hover:bg-sidebar-accent hover:text-sidebar-accent-foreground hover:shadow-[0_0_0_1px_hsl(var(--sidebar-accent))]",
+      },
+      size: {
+        default: "h-8 text-sm",
+        sm: "h-7 text-xs",
+        lg: "h-12 text-sm group-data-[collapsible=icon]:!p-0",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  }
+)
+
+const SidebarMenuButton = React.forwardRef<
+  HTMLButtonElement,
+  React.ComponentProps<"button"> & {
+    asChild?: boolean
+    isActive?: boolean
+    tooltip?: string | React.ComponentProps<typeof TooltipContent>
+  } & VariantProps<typeof sidebarMenuButtonVariants>
+>(
+  (
+    {
+      asChild = false,
+      isActive = false,
+      variant = "default",
+      size = "default",
+      tooltip,
+      className,
+      ...props
+    },
+    ref
+  ) => {
+    const Comp = asChild ? Slot : "button"
+    const { isMobile, state } = useSidebar()
+
+    const button = (
+      <Comp
+        ref={ref}
+        data-sidebar="menu-button"
+        data-size={size}
+        data-active={isActive}
+        className={cn(sidebarMenuButtonVariants({ variant, size }), className)}
+        {...props}
+      />
+    )
+
+    if (!tooltip) {
+      return button
+    }
+
+    if (typeof tooltip === "string") {
+      tooltip = {
+        children: tooltip,
+      }
+    }
+
+    return (
+      <Tooltip>
+        <TooltipTrigger asChild>{button}</TooltipTrigger>
+        <TooltipContent
+          side="right"
+          align="center"
+          hidden={state !== "collapsed" || isMobile}
+          {...tooltip}
+        />
+      </Tooltip>
+    )
+  }
+)
+SidebarMenuButton.displayName = "SidebarMenuButton"
+
+const SidebarMenuAction = React.forwardRef<
+  HTMLButtonElement,
+  React.ComponentProps<"button"> & {
+    asChild?: boolean
+    showOnHover?: boolean
+  }
+>(({ className, asChild = false, showOnHover = false, ...props }, ref) => {
+  const Comp = asChild ? Slot : "button"
+
+  return (
+    <Comp
+      ref={ref}
+      data-sidebar="menu-action"
+      className={cn(
+        "absolute right-1 top-1.5 flex aspect-square w-5 items-center justify-center rounded-md p-0 text-sidebar-foreground outline-none ring-sidebar-ring transition-transform hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 peer-hover/menu-button:text-sidebar-accent-foreground [&>svg]:size-4 [&>svg]:shrink-0",
+        // Increases the hit area of the button on mobile.
+        "after:absolute after:-inset-2 after:md:hidden",
+        "peer-data-[size=sm]/menu-button:top-1",
+        "peer-data-[size=default]/menu-button:top-1.5",
+        "peer-data-[size=lg]/menu-button:top-2.5",
+        "group-data-[collapsible=icon]:hidden",
+        showOnHover &&
+          "group-focus-within/menu-item:opacity-100 group-hover/menu-item:opacity-100 data-[state=open]:opacity-100 peer-data-[active=true]/menu-button:text-sidebar-accent-foreground md:opacity-0",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarMenuAction.displayName = "SidebarMenuAction"
+
+const SidebarMenuBadge = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => (
+  <div
+    ref={ref}
+    data-sidebar="menu-badge"
+    className={cn(
+      "pointer-events-none absolute right-1 flex h-5 min-w-5 select-none items-center justify-center rounded-md px-1 text-xs font-medium tabular-nums text-sidebar-foreground",
+      "peer-hover/menu-button:text-sidebar-accent-foreground peer-data-[active=true]/menu-button:text-sidebar-accent-foreground",
+      "peer-data-[size=sm]/menu-button:top-1",
+      "peer-data-[size=default]/menu-button:top-1.5",
+      "peer-data-[size=lg]/menu-button:top-2.5",
+      "group-data-[collapsible=icon]:hidden",
+      className
+    )}
+    {...props}
+  />
+))
+SidebarMenuBadge.displayName = "SidebarMenuBadge"
+
+const SidebarMenuSkeleton = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & {
+    showIcon?: boolean
+  }
+>(({ className, showIcon = false, ...props }, ref) => {
+  // Random width between 50 to 90%.
+  const width = React.useMemo(() => {
+    return `${Math.floor(Math.random() * 40) + 50}%`
+  }, [])
+
+  return (
+    <div
+      ref={ref}
+      data-sidebar="menu-skeleton"
+      className={cn("flex h-8 items-center gap-2 rounded-md px-2", className)}
+      {...props}
+    >
+      {showIcon && (
+        <Skeleton
+          className="size-4 rounded-md"
+          data-sidebar="menu-skeleton-icon"
+        />
+      )}
+      <Skeleton
+        className="h-4 max-w-[--skeleton-width] flex-1"
+        data-sidebar="menu-skeleton-text"
+        style={
+          {
+            "--skeleton-width": width,
+          } as React.CSSProperties
+        }
+      />
+    </div>
+  )
+})
+SidebarMenuSkeleton.displayName = "SidebarMenuSkeleton"
+
+const SidebarMenuSub = React.forwardRef<
+  HTMLUListElement,
+  React.ComponentProps<"ul">
+>(({ className, ...props }, ref) => (
+  <ul
+    ref={ref}
+    data-sidebar="menu-sub"
+    className={cn(
+      "mx-3.5 flex min-w-0 translate-x-px flex-col gap-1 border-l border-sidebar-border px-2.5 py-0.5",
+      "group-data-[collapsible=icon]:hidden",
+      className
+    )}
+    {...props}
+  />
+))
+SidebarMenuSub.displayName = "SidebarMenuSub"
+
+const SidebarMenuSubItem = React.forwardRef<
+  HTMLLIElement,
+  React.ComponentProps<"li">
+>(({ ...props }, ref) => <li ref={ref} {...props} />)
+SidebarMenuSubItem.displayName = "SidebarMenuSubItem"
+
+const SidebarMenuSubButton = React.forwardRef<
+  HTMLAnchorElement,
+  React.ComponentProps<"a"> & {
+    asChild?: boolean
+    size?: "sm" | "md"
+    isActive?: boolean
+  }
+>(({ asChild = false, size = "md", isActive, className, ...props }, ref) => {
+  const Comp = asChild ? Slot : "a"
+
+  return (
+    <Comp
+      ref={ref}
+      data-sidebar="menu-sub-button"
+      data-size={size}
+      data-active={isActive}
+      className={cn(
+        "flex h-7 min-w-0 -translate-x-px items-center gap-2 overflow-hidden rounded-md px-2 text-sidebar-foreground outline-none ring-sidebar-ring hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 active:bg-sidebar-accent active:text-sidebar-accent-foreground disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 [&>span:last-child]:truncate [&>svg]:size-4 [&>svg]:shrink-0 [&>svg]:text-sidebar-accent-foreground",
+        "data-[active=true]:bg-sidebar-accent data-[active=true]:text-sidebar-accent-foreground",
+        size === "sm" && "text-xs",
+        size === "md" && "text-sm",
+        "group-data-[collapsible=icon]:hidden",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarMenuSubButton.displayName = "SidebarMenuSubButton"
+
+export {
+  Sidebar,
+  SidebarContent,
+  SidebarFooter,
+  SidebarGroup,
+  SidebarGroupAction,
+  SidebarGroupContent,
+  SidebarGroupLabel,
+  SidebarHeader,
+  SidebarInput,
+  SidebarInset,
+  SidebarMenu,
+  SidebarMenuAction,
+  SidebarMenuBadge,
+  SidebarMenuButton,
+  SidebarMenuItem,
+  SidebarMenuSkeleton,
+  SidebarMenuSub,
+  SidebarMenuSubButton,
+  SidebarMenuSubItem,
+  SidebarProvider,
+  SidebarRail,
+  SidebarSeparator,
+  SidebarTrigger,
+  useSidebar,
+}
--- a/src/renderer/components/ui/skeleton.tsx
+++ b/src/renderer/components/ui/skeleton.tsx
@@ -0,0 +1,15 @@
+import { cn } from "@/lib/utils"
+
+function Skeleton({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) {
+  return (
+    <div
+      className={cn("animate-pulse rounded-md bg-primary/10", className)}
+      {...props}
+    />
+  )
+}
+
+export { Skeleton }
--- a/src/renderer/components/ui/tooltip.tsx
+++ b/src/renderer/components/ui/tooltip.tsx
@@ -0,0 +1,30 @@
+import * as React from "react"
+import * as TooltipPrimitive from "@radix-ui/react-tooltip"
+
+import { cn } from "@/lib/utils"
+
+const TooltipProvider = TooltipPrimitive.Provider
+
+const Tooltip = TooltipPrimitive.Root
+
+const TooltipTrigger = TooltipPrimitive.Trigger
+
+const TooltipContent = React.forwardRef<
+  React.ElementRef<typeof TooltipPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof TooltipPrimitive.Content>
+>(({ className, sideOffset = 4, ...props }, ref) => (
+  <TooltipPrimitive.Portal>
+    <TooltipPrimitive.Content
+      ref={ref}
+      sideOffset={sideOffset}
+      className={cn(
+        "z-50 overflow-hidden rounded-md bg-primary px-3 py-1.5 text-xs text-primary-foreground animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 origin-[--radix-tooltip-content-transform-origin]",
+        className
+      )}
+      {...props}
+    />
+  </TooltipPrimitive.Portal>
+))
+TooltipContent.displayName = TooltipPrimitive.Content.displayName
+
+export { Tooltip, TooltipTrigger, TooltipContent, TooltipProvider }
--- a/src/renderer/globals.css
+++ b/src/renderer/globals.css
@@ -23,9 +23,14 @@

    /* Sidebar tokens — matching Figma exactly */
    --sidebar: 0 0% 98%;
-    --sidebar-border: 0 0% 89.8%;
-    --sidebar-accent: 0 0% 96.1%;
-    --sidebar-foreground: 0 0% 25.1%;
+    --sidebar-border: 220 13% 91%;
+    --sidebar-accent: 240 4.8% 95.9%;
+    --sidebar-foreground: 240 5.3% 26.1%;
+    --sidebar-background: 0 0% 98%;
+    --sidebar-primary: 240 5.9% 10%;
+    --sidebar-primary-foreground: 0 0% 98%;
+    --sidebar-accent-foreground: 240 5.9% 10%;
+    --sidebar-ring: 217.2 91.2% 59.8%;
  }

  * {
@@ -47,4 +52,14 @@
    display: flex;
    overflow: hidden;
  }
+  .dark {
+    --sidebar-background: 240 5.9% 10%;
+    --sidebar-foreground: 240 4.8% 95.9%;
+    --sidebar-primary: 224.3 76.3% 48%;
+    --sidebar-primary-foreground: 0 0% 100%;
+    --sidebar-accent: 240 3.7% 15.9%;
+    --sidebar-accent-foreground: 240 4.8% 95.9%;
+    --sidebar-border: 240 3.7% 15.9%;
+    --sidebar-ring: 217.2 91.2% 59.8%;
+  }
 }
--- a/src/renderer/hooks/use-mobile.tsx
+++ b/src/renderer/hooks/use-mobile.tsx
@@ -0,0 +1,19 @@
+import * as React from "react"
+
+const MOBILE_BREAKPOINT = 768
+
+export function useIsMobile() {
+  const [isMobile, setIsMobile] = React.useState<boolean | undefined>(undefined)
+
+  React.useEffect(() => {
+    const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`)
+    const onChange = () => {
+      setIsMobile(window.innerWidth < MOBILE_BREAKPOINT)
+    }
+    mql.addEventListener("change", onChange)
+    setIsMobile(window.innerWidth < MOBILE_BREAKPOINT)
+    return () => mql.removeEventListener("change", onChange)
+  }, [])
+
+  return !!isMobile
+}
--- a/src/renderer/routes/projects.tsx
+++ b/src/renderer/routes/projects.tsx
@@ -1,4 +1,5 @@
 import { createFileRoute } from '@tanstack/react-router';
+import { ProjectSidebar } from '@/components/projects/ProjectSidebar';

 export const Route = createFileRoute('/projects')({
  component: ProjectsPage,
@@ -6,8 +7,11 @@ export const Route = createFileRoute('/projects')({

 function ProjectsPage() {
  return (
-    <div className="flex items-center justify-center h-full text-muted-foreground text-sm">
-      Projects — coming in US-006
+    <div className="flex h-full overflow-hidden">
+      <ProjectSidebar />
+      <div className="flex-1 flex items-center justify-center text-sm text-muted-foreground">
+        Select a project to view details
+      </div>
    </div>
  );
 }
--- a/tailwind.config.js
+++ b/tailwind.config.js
@@ -1,42 +1,52 @@
 /** @type {import('tailwindcss').Config} */
 module.exports = {
-  content: ['./index.html', './src/renderer/**/*.{ts,tsx}'],
+    darkMode: ['class'],
+    content: ['./index.html', './src/renderer/**/*.{ts,tsx}'],
  theme: {
-    extend: {
-      fontFamily: {
-        sans: ['Geist', 'Inter', 'system-ui', 'sans-serif'],
-      },
-      colors: {
-        border: 'hsl(var(--border))',
-        input: 'hsl(var(--input))',
-        ring: 'hsl(var(--ring))',
-        background: 'hsl(var(--background))',
-        foreground: 'hsl(var(--foreground))',
-        primary: {
-          DEFAULT: 'hsl(var(--primary))',
-          foreground: 'hsl(var(--primary-foreground))',
-        },
-        secondary: {
-          DEFAULT: 'hsl(var(--secondary))',
-          foreground: 'hsl(var(--secondary-foreground))',
-        },
-        muted: {
-          DEFAULT: 'hsl(var(--muted))',
-          foreground: 'hsl(var(--muted-foreground))',
-        },
-        sidebar: {
-          DEFAULT: 'hsl(var(--sidebar))',
-          border: 'hsl(var(--sidebar-border))',
-          accent: 'hsl(var(--sidebar-accent))',
-          foreground: 'hsl(var(--sidebar-foreground))',
-        },
-      },
-      borderRadius: {
-        lg: 'var(--radius)',
-        md: 'calc(var(--radius) - 2px)',
-        sm: 'calc(var(--radius) - 4px)',
-      },
-    },
+  	extend: {
+  		fontFamily: {
+  			sans: [
+  				'Geist',
+  				'Inter',
+  				'system-ui',
+  				'sans-serif'
+  			]
+  		},
+  		colors: {
+  			border: 'hsl(var(--border))',
+  			input: 'hsl(var(--input))',
+  			ring: 'hsl(var(--ring))',
+  			background: 'hsl(var(--background))',
+  			foreground: 'hsl(var(--foreground))',
+  			primary: {
+  				DEFAULT: 'hsl(var(--primary))',
+  				foreground: 'hsl(var(--primary-foreground))'
+  			},
+  			secondary: {
+  				DEFAULT: 'hsl(var(--secondary))',
+  				foreground: 'hsl(var(--secondary-foreground))'
+  			},
+  			muted: {
+  				DEFAULT: 'hsl(var(--muted))',
+  				foreground: 'hsl(var(--muted-foreground))'
+  			},
+  			sidebar: {
+  				DEFAULT: 'hsl(var(--sidebar-background))',
+  				border: 'hsl(var(--sidebar-border))',
+  				accent: 'hsl(var(--sidebar-accent))',
+  				foreground: 'hsl(var(--sidebar-foreground))',
+  				primary: 'hsl(var(--sidebar-primary))',
+  				'primary-foreground': 'hsl(var(--sidebar-primary-foreground))',
+  				'accent-foreground': 'hsl(var(--sidebar-accent-foreground))',
+  				ring: 'hsl(var(--sidebar-ring))'
+  			}
+  		},
+  		borderRadius: {
+  			lg: 'var(--radius)',
+  			md: 'calc(var(--radius) - 2px)',
+  			sm: 'calc(var(--radius) - 4px)'
+  		}
+  	}
  },
  plugins: [],
 };
--- a/vite.preload.config.mts
+++ b/vite.preload.config.mts
@@ -1,4 +1,12 @@
 import { defineConfig } from 'vite';

 // https://vitejs.dev/config
-export default defineConfig({});
+export default defineConfig({
+  build: {
+    rollupOptions: {
+      output: {
+        entryFileNames: 'preload.js',
+      },
+    },
+  },
+});