feat(dashboard): select a custom workflow when creating a task

New-task modal and the quick-add card (expanded) now expose a workflow picker;
the chosen workflow is applied to the new task via selectTaskWorkflow right
after creation, non-blocking on failure.

packages/dashboard/app/components/InlineCreateCard.tsx

@@ -5,7 +5,7 @@ import { Brain, Link, Lightbulb, ListTree, Zap, ChevronDown, ChevronUp, Bot, Max
 import { DEFAULT_TASK_PRIORITY, TASK_PRIORITIES, type Task, type TaskPriority, type Settings } from "@fusion/core";
 import { getErrorMessage } from "@fusion/core";
 import type { ToastType } from "../hooks/useToast";
-import { checkDuplicateTasks, fetchModels, uploadAttachment, fetchSettings, updateGlobalSettings, fetchAgents, DuplicateCandidatesError } from "../api";
+import { checkDuplicateTasks, fetchModels, uploadAttachment, fetchSettings, updateGlobalSettings, fetchAgents, selectTaskWorkflow, DuplicateCandidatesError } from "../api";
 import type { CreateTaskInput, ModelInfo, Agent, NodeInfo, DuplicateMatch } from "../api";
 import { useNodes } from "../hooks/useNodes";
 import { ModelSelectionModal } from "./ModelSelectionModal";
@@ -13,6 +13,7 @@ import { NodeHealthDot } from "./NodeHealthDot";
 import { DuplicateWarningModal } from "./DuplicateWarningModal";
 import { applyPresetToSelection } from "../utils/modelPresets";
 import { getScopedItem, removeScopedItem, setScopedItem } from "../utils/projectStorage";
+import { WorkflowSelector } from "./WorkflowSelector";
 
 const ALLOWED_IMAGE_TYPES = ["image/png", "image/jpeg", "image/gif", "image/webp"];
 const STORAGE_KEY = "kb-inline-create-text";
@@ -114,6 +115,7 @@ export function InlineCreateCard({
   const [favoriteModels, setFavoriteModels] = useState<string[]>([]);
   const [submitting, setSubmitting] = useState(false);
   const [pendingImages, setPendingImages] = useState<PendingImage[]>([]);
+  const [selectedWorkflowId, setSelectedWorkflowId] = useState<string | null>(null);
   const [isExpanded, setIsExpanded] = useState(false);
   // isDescriptionExpanded controls fullscreen description editing mode
   const [isDescriptionExpanded, setIsDescriptionExpanded] = useState(false);
@@ -338,6 +340,19 @@ export function InlineCreateCard({
     try {
       const task = await onSubmit(input);
 
+      // Apply custom workflow if selected (non-blocking — task already exists)
+      if (selectedWorkflowId) {
+        try {
+          await selectTaskWorkflow(task.id, selectedWorkflowId, projectId);
+        } catch (err) {
+          if (addToast) {
+            addToast(getErrorMessage(err) || "Failed to apply workflow", "error");
+          } else {
+            console.warn("Failed to apply workflow:", getErrorMessage(err));
+          }
+        }
+      }
+
       // Upload pending images as attachments
       if (pendingImages.length > 0) {
         const failures: string[] = [];
@@ -376,6 +391,7 @@ export function InlineCreateCard({
       setShowAgentPicker(false);
       setIsModelModalOpen(false);
       setShowPresets(false);
+      setSelectedWorkflowId(null);
       addToast(`Created ${task.id}`, "success");
 
       // Collapse and clear localStorage after successful task creation
@@ -400,6 +416,7 @@ export function InlineCreateCard({
     onSubmit,
     addToast,
     projectId,
+    selectedWorkflowId,
   ]);
 
   const handleSubmit = useCallback(async () => {
@@ -1008,6 +1025,15 @@ export function InlineCreateCard({
               {browserVerification ? "Browser Verify ✓" : "Browser Verify"}
             </button>
 
+            <WorkflowSelector
+              value={selectedWorkflowId}
+              onChange={(id) => setSelectedWorkflowId(id)}
+              projectId={projectId}
+              addToast={addToast}
+              label="Workflow"
+              disabled={submitting}
+            />
+
             <label className="inline-create-priority-wrap" htmlFor="inline-create-priority-select">
               <span className="visually-hidden">Priority</span>
               <select

packages/dashboard/app/components/NewTaskModal.tsx

@@ -3,7 +3,7 @@ import { useState, useCallback, useEffect, useRef } from "react";
 import { DEFAULT_TASK_PRIORITY, type Task, type TaskCreateInput, type TaskPriority } from "@fusion/core";
 import { getErrorMessage } from "@fusion/core";
 import type { ToastType } from "../hooks/useToast";
-import { uploadAttachment } from "../api";
+import { uploadAttachment, selectTaskWorkflow } from "../api";
 import { Bot } from "lucide-react";
 import { useSetupReadiness } from "../hooks/useSetupReadiness";
 import { SetupWarningBanner } from "./SetupWarningBanner";
@@ -15,6 +15,7 @@ import { useMobileScrollLock } from "../hooks/useMobileScrollLock";
 import { useNodes } from "../hooks/useNodes";
 import { useViewportMode } from "../hooks/useViewportMode";
 import { useAgentsMapCache } from "../hooks/useAgentsMapCache";
+import { WorkflowSelector } from "./WorkflowSelector";
 
 interface NewTaskModalProps {
   isOpen: boolean;
@@ -53,6 +54,7 @@ export function NewTaskModal({ isOpen, onClose, projectId, tasks, onCreateTask,
   const [selectedPresetId, setSelectedPresetId] = useState<string>("");
   const [presetMode, setPresetMode] = useState<"default" | "preset" | "custom">("default");
   const [hasDirtyState, setHasDirtyState] = useState(false);
+  const [selectedWorkflowId, setSelectedWorkflowId] = useState<string | null>(null);
   const [selectedWorkflowSteps, setSelectedWorkflowSteps] = useState<string[]>([]);
   const [workflowStepsExplicitlySet, setWorkflowStepsExplicitlySet] = useState(false);
   const [reviewLevel, setReviewLevel] = useState<number | undefined>(undefined);
@@ -265,6 +267,15 @@ export function NewTaskModal({ isOpen, onClose, projectId, tasks, onCreateTask,
 
       const task = await onCreateTask(createInput);
 
+      // Apply custom workflow if selected (non-blocking — task already exists)
+      if (selectedWorkflowId) {
+        try {
+          await selectTaskWorkflow(task.id, selectedWorkflowId, projectId);
+        } catch (err) {
+          addToast(getErrorMessage(err) || "Failed to apply workflow", "error");
+        }
+      }
+
       // Upload pending images as attachments
       if (pendingImages.length > 0) {
         const failures: string[] = [];
@@ -291,6 +302,7 @@ export function NewTaskModal({ isOpen, onClose, projectId, tasks, onCreateTask,
       setThinkingLevel("");
       setSelectedPresetId("");
       setPresetMode("default");
+      setSelectedWorkflowId(null);
       setSelectedWorkflowSteps([]);
       setWorkflowStepsExplicitlySet(false);
       setSelectedAgentId(null);
@@ -310,7 +322,7 @@ export function NewTaskModal({ isOpen, onClose, projectId, tasks, onCreateTask,
     } finally {
       setIsSubmitting(false);
     }
-  }, [description, dependencies, pendingImages, executorModel, validatorModel, planningModel, thinkingLevel, isSubmitting, githubRepoOverrideInvalid, hasInvalidBranchSelection, onCreateTask, addToast, onClose, projectId, presetMode, selectedPresetId, selectedWorkflowSteps, workflowStepsExplicitlySet, selectedAgentId, reviewLevel, autoMerge, priority, nodeId, branchMode, isBranchNameRequired, branch, baseBranch, githubTrackingEnabled, githubRepoOverrideTrimmed]);
+  }, [description, dependencies, pendingImages, executorModel, validatorModel, planningModel, thinkingLevel, isSubmitting, githubRepoOverrideInvalid, hasInvalidBranchSelection, onCreateTask, addToast, onClose, projectId, presetMode, selectedPresetId, selectedWorkflowId, selectedWorkflowSteps, workflowStepsExplicitlySet, selectedAgentId, reviewLevel, autoMerge, priority, nodeId, branchMode, isBranchNameRequired, branch, baseBranch, githubTrackingEnabled, githubRepoOverrideTrimmed]);
 
   // Handle keyboard shortcuts
   const handleKeyDown = useCallback((e: React.KeyboardEvent) => {
@@ -452,6 +464,17 @@ export function NewTaskModal({ isOpen, onClose, projectId, tasks, onCreateTask,
           )}
         </div>
       </div>
+      {/* Custom Workflow */}
+      <div className="form-group">
+        <WorkflowSelector
+          value={selectedWorkflowId}
+          onChange={(id) => setSelectedWorkflowId(id)}
+          projectId={projectId}
+          addToast={addToast}
+          label="Custom workflow"
+          disabled={isSubmitting}
+        />
+      </div>
     </div>
   );
 

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

@@ -13,6 +13,12 @@ vi.mock("lucide-react", () => ({
   Bot: () => null,
   Maximize2: () => null,
   Minimize2: () => null,
+  Workflow: () => null,
+}));
+
+// Mock WorkflowSelector to avoid API calls in tests
+vi.mock("../WorkflowSelector", () => ({
+  WorkflowSelector: ({ label }: { label?: string }) => <div data-testid="workflow-selector">{label ?? "Workflow"}</div>,
 }));
 
 // Mock the api module
@@ -35,6 +41,7 @@ vi.mock("../../api", () => ({
   refineText: vi.fn(),
   getRefineErrorMessage: vi.fn((err) => err?.message || "Failed to refine text. Please try again."),
   updateGlobalSettings: vi.fn().mockResolvedValue({}),
+  selectTaskWorkflow: vi.fn().mockResolvedValue({ workflowId: null, enabledWorkflowSteps: [] }),
 }));
 
 const mockConfirm = vi.fn();