- Add executionMode field to WorkflowStep type with 'agent' | 'api' options and validation
- Extend TaskStore CRUD with execution mode support and validation for prompt/description
- Add API validation layer in dashboard routes for workflow step create/update/delete
- Enhance WorkflowStepManager component with inline editing, validation feedback, and improved UX
- Add comprehensive tests for store CRUD validation and API route validation
- Clean up dashboard styles by removing unused CSS rules and dead test assertions
- Rename @kb/core, @kb/dashboard, @kb/engine to @fusion/* namespace
- Update all import statements across 143+ files to use new package names
- Update workspace dependencies and root package.json references
- Fix bundler configurations (tsup, vite) for new package names
- Update test files and fix typecheck issues
- Add changeset file documenting the package rename
- Add core data model for workflow step definitions with AI-assisted prompt refinement
- Create API routes for CRUD operations and prompt refinement via /api/workflow-steps
- Add WorkflowStepManager dashboard UI for defining and managing workflow steps
- Integrate workflow step selection into NewTaskModal for per-task enablement
- Execute workflow steps sequentially in executor after task_done() with readonly tools
- Run workflow step agents before moving tasks to in-review, failing on step errors
- Add comprehensive tests for store, API routes, components, and executor integration
