feat(KB-618): add multi-project support to dashboard

- Add project API methods and types (fetchProjects, registerProject, fetchProjectHealth, etc.)
- Add ProjectCard component with health metrics, status badges, and pause/resume actions
- Add server-side project management routes for multi-project orchestration
- Add ActivityFeed component with grouped entries and project badges
- Add SetupWizard component with 5-step project creation flow
- Fix TypeScript errors in server routes for listProjects and getGlobalConcurrencyState

packages/dashboard/app/components/__tests__/NewTaskModal.test.tsx

@@ -128,7 +128,7 @@ describe("NewTaskModal", () => {
     fireEvent.click(screen.getByRole("button", { name: "Create Task" }));
     
     await waitFor(() => {
-      expect(props.addToast).toHaveBeenCalledWith("Created FN-042", "success");
+      expect(props.addToast).toHaveBeenCalledWith("Created KB-042", "success");
     });
   });