diff --git a/apps/ui/src/components/views/graph-view/graph-view.tsx b/apps/ui/src/components/views/graph-view/graph-view.tsx
index f5ea8edc..9ef01bce 100644
--- a/apps/ui/src/components/views/graph-view/graph-view.tsx
+++ b/apps/ui/src/components/views/graph-view/graph-view.tsx
@@ -46,7 +46,7 @@ export function GraphView({
       // Skip completed features (they're in archive)
       if (f.status === 'completed') return false;
 
-      const featureBranch = f.branchName;
+      const featureBranch = f.branchName as string | undefined;
 
       if (!featureBranch) {
         // No branch assigned - show only on primary worktree
diff --git a/apps/ui/src/components/views/graph-view/hooks/use-graph-nodes.ts b/apps/ui/src/components/views/graph-view/hooks/use-graph-nodes.ts
index 66265477..2b83a4a4 100644
--- a/apps/ui/src/components/views/graph-view/hooks/use-graph-nodes.ts
+++ b/apps/ui/src/components/views/graph-view/hooks/use-graph-nodes.ts
@@ -5,6 +5,12 @@ import { getBlockingDependencies } from '@automaker/dependency-resolver';
 import { GraphFilterResult } from './use-graph-filter';
 
 export interface TaskNodeData extends Feature {
+  // Re-declare properties from BaseFeature that have index signature issues
+  priority?: number;
+  error?: string;
+  branchName?: string;
+  dependencies?: string[];
+  // Task node specific properties
   isBlocked: boolean;
   isRunning: boolean;
   blockingDependencies: string[];
@@ -112,8 +118,9 @@ export function useGraphNodes({
       nodeList.push(node);
 
       // Create edges for dependencies
-      if (feature.dependencies && feature.dependencies.length > 0) {
-        feature.dependencies.forEach((depId: string) => {
+      const deps = feature.dependencies as string[] | undefined;
+      if (deps && deps.length > 0) {
+        deps.forEach((depId: string) => {
           // Only create edge if the dependency exists in current view
           if (featureMap.has(depId)) {
             const sourceFeature = featureMap.get(depId)!;