feat: enhance Tauri charts with smooth curves and forecasting

- Implemented a smooth curve rendering for the TauriLineChart using a cubic Bezier path.
- Added a forecasting feature to project trends based on recent data points.
- Updated TauriDashboardView to pass the current month for accurate forecasting.
- Refactored TauriLineChart to handle actual and forecasted data points distinctly.
- Introduced gradient strokes and glow effects to align with ApexCharts styling.
- Enhanced user interaction with hover markers and tooltips for forecasted data.
- Added a new test suite for ClinicDetailPage to ensure proper rendering and functionality.

assets/admin/components/dashboard/TauriDashboardView.tsx

@@ -88,6 +88,8 @@ export interface TauriDashboardViewProps {
   onRevenueYearChange: (y: number) => void;
   /** سال شمسی جاری — مبنای گزینه‌های سلکتور سال */
   currentJalaliYear: number;
+  /** ماه شمسی جاری (۱..۱۲) — مرز دادهٔ واقعی و پیش‌بینی در نمودار درآمد */
+  currentJalaliMonth: number;
 }
 
 export function TauriDashboardView({
@@ -103,8 +105,12 @@ export function TauriDashboardView({
   revenueYear,
   onRevenueYearChange,
   currentJalaliYear,
+  currentJalaliMonth,
 }: TauriDashboardViewProps) {
   const yearOpts = React.useMemo(() => yearOptions(currentJalaliYear), [currentJalaliYear]);
+  // در سالِ جاری فقط تا ماه جاری داده‌ی واقعی وجود دارد؛ بقیه پیش‌بینی می‌شود.
+  // سال‌های گذشته کامل‌اند و پیش‌بینی ندارند.
+  const incomeActualCount = revenueYear === currentJalaliYear ? currentJalaliMonth : undefined;
   return (
     <div className="flex flex-col items-stretch gap-y-[24px] w-full">
       {/* Cards */}
@@ -127,7 +133,7 @@ export function TauriDashboardView({
           selectorValue={revenueYear}
           onSelectorChange={onRevenueYearChange}
         >
-          <TauriLineChart data={incomeLine} />
+          <TauriLineChart data={incomeLine} actualCount={incomeActualCount} />
         </ChartCard>
       </div>