Add filtering support to GET /api/v1/habits endpoint

Implemented comprehensive filtering capabilities for the habits list endpoint:
- Filter by type (BOOLEAN, COUNTER, VALUE)
- Filter by frequency (DAILY, WEEKLY, MONTHLY)
- Filter by archived status
- Text search in habit name and description
- All filters can be combined
- Filters work with pagination

Technical changes:
- Added FilterParams to GetUserHabitsQuery
- Created HabitFilter struct in repository interface
- Implemented dynamic SQL query building in SQLite repository
- Updated HTTP handler to parse filter query parameters
- Added comprehensive tests for repository and handler filtering
- Updated all test mocks with new filter methods

internal/application/commands/delete_user_test.go

@@ -1,6 +1,7 @@
 package commands
 
 import (
+	"apocapoc-api/internal/domain/repositories"
 	"apocapoc-api/internal/shared/pagination"
 	"context"
 	"testing"
@@ -141,3 +142,11 @@ func (m *mockDeleteUserRepo) FindActiveByUserIDWithPagination(ctx context.Contex
 func (m *mockDeleteUserRepo) CountActiveByUserID(ctx context.Context, userID string) (int, error) {
 	return 0, nil
 }
+
+func (m *mockDeleteUserRepo) FindByUserIDFiltered(ctx context.Context, userID string, filter repositories.HabitFilter, paginationParams *pagination.Params) ([]*entities.Habit, error) {
+	return nil, nil
+}
+
+func (m *mockDeleteUserRepo) CountByUserIDFiltered(ctx context.Context, userID string, filter repositories.HabitFilter) (int, error) {
+	return 0, nil
+}