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/pages/DashboardPage.tsx

@@ -33,6 +33,7 @@ function useJalaliChartPeriod() {
 
   return {
     currentJalaliYear: now.jy,
+    currentJalaliMonth: now.jm,
     patientsYear: now.jy,
     patientsMonth,
     setPatientsMonth,
@@ -671,6 +672,7 @@ function ClinicDashboard() {
         revenueYear={chartPeriod.revenueYear}
         onRevenueYearChange={chartPeriod.setRevenueYear}
         currentJalaliYear={chartPeriod.currentJalaliYear}
+        currentJalaliMonth={chartPeriod.currentJalaliMonth}
       />
 
     </div>
@@ -833,6 +835,7 @@ function DoctorDashboard() {
         revenueYear={chartPeriod.revenueYear}
         onRevenueYearChange={chartPeriod.setRevenueYear}
         currentJalaliYear={chartPeriod.currentJalaliYear}
+        currentJalaliMonth={chartPeriod.currentJalaliMonth}
       />
 
       <div className="grid-2" style={{ marginTop: 'var(--gap)' }}>