- SearchTasksGlobally: cross-project search using errgroup
- Gets all projects, then searches each in parallel
- Results aggregated from all accessible projects
- Context cancellation propagates to all goroutines
- Single project failure cancels remaining searches
- Added golang.org/x/sync/errgroup dependency
- Comprehensive test coverage
- SearchTasks: search tasks using Kanboard query syntax
- MoveTaskPosition: move task to specific position in column/swimlane
- MoveTaskToProject: move task to different project
- Comprehensive test coverage for all methods
- GetTask: retrieve single task by ID
- GetAllTasks: retrieve all tasks for a project with status filter
- CreateTask: create new task and return the created task
- UpdateTask: partial updates via pointer fields
- CloseTask/OpenTask: status operations with proper error handling
- Returns ErrTaskNotFound, ErrTaskClosed, ErrTaskOpen as appropriate
- Comprehensive test coverage for all methods and edge cases
