feat: Implement scheduled tasks management and budget archiving functionality

- Added BudgetArchiveJob for monthly budget archiving.
- Created BudgetArchive entity and BudgetArchiveRepository for managing archived budgets.
- Introduced JobController for handling job execution, pausing, and resuming.
- Developed ScheduledTasksView for displaying and managing scheduled tasks in the frontend.
- Updated PeriodicBillJob to improve scope handling.
- Enhanced OpenAiService with increased HTTP timeout.
- Added archiveBudgets API endpoint for archiving budgets by year and month.
- Refactored BudgetController to utilize new repository patterns and improved error handling.
- Introduced rich-content styles for better rendering of HTML content in Vue components.
- Updated various Vue components to support rich HTML content display.

Repository/BudgetArchiveRepository.cs

@@ -0,0 +1,34 @@
+namespace Repository;
+
+public interface IBudgetArchiveRepository : IBaseRepository<BudgetArchive>
+{
+    Task<BudgetArchive?> GetArchiveAsync(long budgetId, int year, int month);
+    Task<List<BudgetArchive>> GetListAsync(int year, int month);
+}
+
+public class BudgetArchiveRepository(
+    IFreeSql freeSql
+) : BaseRepository<BudgetArchive>(freeSql), IBudgetArchiveRepository
+{
+    public async Task<BudgetArchive?> GetArchiveAsync(long budgetId, int year, int month)
+    {
+        return await FreeSql.Select<BudgetArchive>()
+            .Where(a => a.BudgetId == budgetId &&
+                        a.Year == year &&
+                        a.Month == month)
+            .ToOneAsync();
+    }
+
+    public async Task<List<BudgetArchive>> GetListAsync(int year, int month)
+    {
+        return await FreeSql.Select<BudgetArchive>()
+            .Where(
+                a => a.BudgetType == BudgetPeriodType.Month &&
+                     a.Year == year &&
+                     a.Month == month ||
+                     a.BudgetType == BudgetPeriodType.Year &&
+                     a.Year == year
+            )
+            .ToListAsync();
+    }
+}