- Filter available form intakers so that no form intaker can be in two workflows at once.

- add getApprovalWorkflowByIntaker to prepare workflow start after exam creation.
- fix builder bug with step keys
- ignore edit view for now because it will only be available for active workflows and not configured workflows.

src/pages/approval-workflows/create.tsx

@@ -34,7 +34,7 @@ export const getServerSideProps = withIronSessionSsr(async ({ req, res }) => {
         return redirect("/")
 
     const userEntitiesWithLabel = await getEntities(user.entities.map(entity => entity.id));
-    
+
     const allConfiguredWorkflows = await getApprovalWorkflowsByEntities("configured-workflows", userEntitiesWithLabel.map(entity => entity.id));
 
     return {
@@ -59,6 +59,7 @@ export default function Home({ user, allConfiguredWorkflows, userEntitiesWithLab
     const [selectedWorkflowId, setSelectedWorkflowId] = useState<string | undefined>(undefined);
     const [entityId, setEntityId] = useState<string | null | undefined>(null);
     const [entityApprovers, setEntityApprovers] = useState<(TeacherUser | CorporateUser | MasterCorporateUser | DeveloperUser)[]>([]);
+    const [entityAvailableFormIntakers, setEntityAvailableFormIntakers] = useState<(TeacherUser | CorporateUser | MasterCorporateUser | DeveloperUser)[]>([]);
     const [isAdding, setIsAdding] = useState<boolean>(false); // used to temporary timeout new workflow button. With animations, clicking too fast might cause state inconsistencies between renders.
     const [isLoading, setIsLoading] = useState<boolean>(false);
     const [isRedirecting, setIsRedirecting] = useState<boolean>(false);
@@ -72,11 +73,40 @@ export default function Home({ user, allConfiguredWorkflows, userEntitiesWithLab
                     approver.entities.some(entity => entity.id === entityId)
                 )
             );
-        } else {
-            setEntityApprovers([]);
         }
     }, [entityId, userEntitiesApprovers]);
 
+    useEffect(() => {
+        if (entityId) {
+            // Get all workflows for the selected entity
+            const workflowsForEntity = workflows.filter(wf => wf.entityId === entityId);
+
+            // For all workflows except the current one, collect the first step assignees
+            const assignedFormIntakers = workflowsForEntity.reduce<string[]>((acc, wf) => {
+                if (wf.id === selectedWorkflowId) return acc; // skip current workflow so its selection isn’t removed
+
+                const formIntakeStep = wf.steps.find(step => step.stepType === "form-intake");
+                if (formIntakeStep) {
+                    // Only consider non-null assignees
+                    const validAssignees = formIntakeStep.assignees.filter(
+                        (assignee): assignee is string => !!assignee
+                    );
+                    return acc.concat(validAssignees);
+                }
+                return acc;
+            }, []);
+
+            // Now filter out any user from entityApprovers whose id is in the assignedFormIntakers list.
+            // (The selected one in the current workflow is allowed even if it is in the list.)
+            const availableFormIntakers = entityApprovers.filter(assignee =>
+                !assignedFormIntakers.includes(assignee.id)
+            );
+
+            setEntityAvailableFormIntakers(availableFormIntakers);
+        }
+    }, [entityId, entityApprovers, workflows, selectedWorkflowId]);
+
+
     const currentWorkflow = workflows.find(wf => wf.id === selectedWorkflowId);
 
     const ENTITY_OPTIONS = userEntitiesWithLabel.map(entity => ({
@@ -102,7 +132,7 @@ export default function Home({ user, allConfiguredWorkflows, userEntitiesWithLab
             }))
         }));
 
-        const requestData = {filteredWorkflows, userEntitiesWithLabel};
+        const requestData = { filteredWorkflows, userEntitiesWithLabel };
 
         axios
             .post(`/api/approval-workflows/create`, requestData)
@@ -316,6 +346,7 @@ export default function Home({ user, allConfiguredWorkflows, userEntitiesWithLab
                                                 workflow={currentWorkflow}
                                                 onWorkflowChange={onWorkflowChange}
                                                 entityApprovers={entityApprovers}
+                                                entityAvailableFormIntakers={entityAvailableFormIntakers}
                                                 isLoading={isLoading}
                                                 isRedirecting={isRedirecting}
                                             />