feat: enhance Kanban filtering and integrate filters in BoardContainer

- Marked multiple tasks as completed in TODO.md related to Kanban filtering features.
- Added `KanbanFilters` component to `BoardContainer` for improved task filtering.
- Updated `TasksContext` to manage Kanban filters and provide filtered tasks to the board.
- Implemented real-time filtering logic based on search, tags, and priorities.

components/kanban/BoardContainer.tsx

@@ -2,13 +2,23 @@
 
 import { useState } from 'react';
 import { KanbanBoard } from './Board';
+import { KanbanFilters } from './KanbanFilters';
 import { EditTaskForm } from '@/components/forms/EditTaskForm';
 import { useTasksContext } from '@/contexts/TasksContext';
 import { Task, TaskStatus } from '@/lib/types';
 import { UpdateTaskData } from '@/clients/tasks-client';
 
 export function KanbanBoardContainer() {
-  const { tasks, loading, createTask, deleteTask, updateTask, updateTaskOptimistic } = useTasksContext();
+  const { 
+    filteredTasks, 
+    loading, 
+    createTask, 
+    deleteTask, 
+    updateTask, 
+    updateTaskOptimistic,
+    kanbanFilters,
+    setKanbanFilters
+  } = useTasksContext();
 
   const [editingTask, setEditingTask] = useState<Task | null>(null);
 
@@ -38,8 +48,13 @@ export function KanbanBoardContainer() {
 
   return (
     <>
+      <KanbanFilters
+        filters={kanbanFilters}
+        onFiltersChange={setKanbanFilters}
+      />
+      
       <KanbanBoard 
-        tasks={tasks}
+        tasks={filteredTasks}
         onCreateTask={createTask}
         onDeleteTask={deleteTask}
         onEditTask={handleEditTask}