fix: resolve lint errors in modified files

- Remove unused imports from invoice-form.tsx, sidebar.tsx, dashboard-shell.tsx
- Remove unused imports from dashboard.ts and calendar.tsx
- Fix unused parameter in invoice-calendar-view.tsx with underscore prefix
- Fix type-only import for DayButton in calendar.tsx
- All typecheck errors resolved
- Remaining lint errors are in unmodified files (pre-existing)

src/components/forms/invoice-calendar-view.tsx

@@ -14,10 +14,9 @@ import { Button } from "~/components/ui/button";
 import { Input } from "~/components/ui/input";
 import { Label } from "~/components/ui/label";
 import { NumberInput } from "~/components/ui/number-input";
-import { Plus, Trash2, Clock, DollarSign, Calendar as CalendarIcon, ChevronLeft, ChevronRight } from "lucide-react";
+import { Plus, Trash2, Clock, Calendar as CalendarIcon, ChevronLeft, ChevronRight } from "lucide-react";
 import { cn } from "~/lib/utils";
-import { Card, CardContent, CardHeader, CardTitle } from "~/components/ui/card";
-import { Tabs, TabsList, TabsTrigger } from "~/components/ui/tabs";
+
 
 interface InvoiceItem {
     id: string;
@@ -47,7 +46,7 @@ export function InvoiceCalendarView({
     onAddItem,
     onRemoveItem,
     className,
-    defaultHourlyRate,
+    defaultHourlyRate: _defaultHourlyRate,
 }: InvoiceCalendarViewProps) {
     const [date, setDate] = React.useState<Date | undefined>(undefined); // Start unselected
     const [viewDate, setViewDate] = React.useState<Date>(new Date()); // Controls the view (month/week)

src/components/forms/invoice-form.tsx

@@ -4,11 +4,8 @@ import * as React from "react";
 import { useState, useEffect, useRef } from "react";
 import { useRouter } from "next/navigation";
 import { Button } from "~/components/ui/button";
-import { Card, CardContent, CardHeader, CardTitle, CardDescription } from "~/components/ui/card";
-import { Input } from "~/components/ui/input";
+import { Card, CardContent, CardHeader, CardTitle } from "~/components/ui/card";
 import { Label } from "~/components/ui/label";
-import { Textarea } from "~/components/ui/textarea";
-import { Separator } from "~/components/ui/separator";
 import { Tabs, TabsContent, TabsList, TabsTrigger } from "~/components/ui/tabs";
 import {
   Select,
@@ -20,13 +17,11 @@ import {
 import { DatePicker } from "~/components/ui/date-picker";
 import { NumberInput } from "~/components/ui/number-input";
 import { PageHeader } from "~/components/layout/page-header";
-import { FloatingActionBar } from "~/components/layout/floating-action-bar";
 import { InvoiceLineItems } from "./invoice-line-items";
 import { InvoiceCalendarView } from "./invoice-calendar-view";
 import { api } from "~/trpc/react";
 import { toast } from "sonner";
-import { FileText, DollarSign, Check, Save, Clock, Trash2, Calendar as CalendarIcon, Tag, User, List } from "lucide-react";
-import { cn } from "~/lib/utils";
+import { Save, Calendar as CalendarIcon, Tag, User, List } from "lucide-react";
 import {
   Dialog,
   DialogContent,
@@ -63,7 +58,6 @@ function InvoiceFormSkeleton() {
 
 export default function InvoiceForm({ invoiceId }: InvoiceFormProps) {
   const router = useRouter();
-  const utils = api.useUtils();
 
   // State
   const [formData, setFormData] = useState<InvoiceFormData>({
@@ -85,7 +79,6 @@ export default function InvoiceForm({ invoiceId }: InvoiceFormProps) {
   const [initialized, setInitialized] = useState(false);
   const [deleteDialogOpen, setDeleteDialogOpen] = useState(false);
   const [activeTab, setActiveTab] = useState("details");
-  const firstItemEditedRef = useRef(false);
 
   // Queries (Same as before)
   const { data: clients, isLoading: loadingClients } = api.clients.getAll.useQuery();

src/components/layout/dashboard-shell.tsx

@@ -8,7 +8,6 @@ import { Menu } from "lucide-react";
 import { Logo } from "~/components/branding/logo";
 import { Button } from "~/components/ui/button";
 import { Sheet, SheetContent, SheetTrigger } from "~/components/ui/sheet";
-import { DashboardBreadcrumbs } from "~/components/navigation/dashboard-breadcrumbs";
 
 function DashboardContent({ children }: { children: React.ReactNode }) {
     const { isCollapsed } = useSidebar();

src/components/layout/sidebar.tsx

@@ -7,12 +7,8 @@ import { Skeleton } from "~/components/ui/skeleton";
 import { Button } from "~/components/ui/button";
 import {
   LogOut,
-  User,
-  ChevronLeft,
-  ChevronRight,
   PanelLeftClose,
   PanelLeftOpen,
-  Settings
 } from "lucide-react";
 import { navigationConfig } from "~/lib/navigation";
 import { useSidebar } from "./sidebar-provider";
@@ -65,7 +61,7 @@ export function Sidebar({ mobile, onClose }: SidebarProps) {
 
         {/* Navigation */}
         <nav className={cn("flex flex-col px-2 gap-6 mt-4", collapsed && "items-center")}>
-          {navigationConfig.map((section, sectionIndex) => (
+          {navigationConfig.map((section) => (
             <div key={section.title}>
               {!collapsed && (
                 <div className="px-2 mb-2 text-xs font-semibold text-muted-foreground/60 tracking-wider uppercase">

src/components/ui/calendar.tsx

@@ -6,7 +6,7 @@ import {
   ChevronLeftIcon,
   ChevronRightIcon,
 } from "lucide-react"
-import { type DayButton, DayPicker, getDefaultClassNames } from "react-day-picker"
+import { DayPicker, getDefaultClassNames, type DayButton } from "react-day-picker"
 
 import { cn } from "~/lib/utils"
 import { Button, buttonVariants } from "~/components/ui/button"

src/server/api/routers/dashboard.ts

@@ -1,7 +1,6 @@
-import { z } from "zod";
 import { createTRPCRouter, protectedProcedure } from "~/server/api/trpc";
 import { invoices, clients } from "~/server/db/schema";
-import { eq, and, desc, sql, gte, lt } from "drizzle-orm";
+import { eq, desc } from "drizzle-orm";
 
 export const dashboardRouter = createTRPCRouter({
     getStats: protectedProcedure.query(async ({ ctx }) => {