diff --git a/src/components/refactored/sidebar/hooks/useWorkspaces.ts b/src/components/refactored/sidebar/hooks/useWorkspaces.ts
index 72bbb540..bcd7c55c 100644
--- a/src/components/refactored/sidebar/hooks/useWorkspaces.ts
+++ b/src/components/refactored/sidebar/hooks/useWorkspaces.ts
@@ -126,8 +126,8 @@ export const useWorkspaces = () => {
     [navigate, workspaces],
   );
 
-  const openNewSession = useCallback(() => {
-    navigate('/');
+  const openNewSession = useCallback((workspaceId: string) => {
+    navigate(`/workspaces/${encodeURIComponent(workspaceId)}/chat`);
   }, [navigate]);
 
   const toggleWorkspaceStar = useCallback(async (workspaceId: string) => {
diff --git a/src/components/refactored/sidebar/view/SidebarWorkspaceItem.tsx b/src/components/refactored/sidebar/view/SidebarWorkspaceItem.tsx
index 7ceea31d..c640ea03 100644
--- a/src/components/refactored/sidebar/view/SidebarWorkspaceItem.tsx
+++ b/src/components/refactored/sidebar/view/SidebarWorkspaceItem.tsx
@@ -40,7 +40,7 @@ type SidebarWorkspaceItemProps = {
   onDeleteWorkspace: (workspace: WorkspaceRecord) => void;
   onSessionSelect: (workspacePath: string, sessionId: string) => void;
   onSessionDelete: (workspacePath: string, sessionId: string) => void;
-  onNewSession: () => void;
+  onNewSession: (workspaceId: string) => void;
 };
 
 export function SidebarWorkspaceItem({
@@ -396,7 +396,7 @@ export function SidebarWorkspaceItem({
               className="flex h-8 w-full items-center justify-center gap-2 rounded-md bg-primary text-xs font-medium text-primary-foreground transition-all duration-150 hover:bg-primary/90 active:scale-[0.98]"
               onClick={(event) => {
                 event.stopPropagation();
-                onNewSession();
+                onNewSession(workspace.workspaceId);
               }}
             >
               <Plus className="h-3 w-3" />
@@ -408,7 +408,7 @@ export function SidebarWorkspaceItem({
             variant="default"
             size="sm"
             className="mt-1 hidden h-8 w-full justify-start gap-2 bg-primary text-xs font-medium text-primary-foreground transition-colors hover:bg-primary/90 md:flex"
-            onClick={onNewSession}
+            onClick={() => onNewSession(workspace.workspaceId)}
           >
             <Plus className="h-3 w-3" />
             New Session
diff --git a/src/components/refactored/sidebar/view/SidebarWorkspaceList.tsx b/src/components/refactored/sidebar/view/SidebarWorkspaceList.tsx
index 030a52bd..daf33ee0 100644
--- a/src/components/refactored/sidebar/view/SidebarWorkspaceList.tsx
+++ b/src/components/refactored/sidebar/view/SidebarWorkspaceList.tsx
@@ -27,7 +27,7 @@ type SidebarWorkspaceListProps = {
   onDeleteWorkspace: (workspace: WorkspaceRecord) => void;
   onSessionSelect: (workspacePath: string, sessionId: string) => void;
   onSessionDelete: (workspacePath: string, sessionId: string) => void;
-  onNewSession: () => void;
+  onNewSession: (workspaceId: string) => void;
 };
 
 const SectionHeading = ({ title }: { title: string }) => (