feat(workflows): rename Workspace route from /run to /workspace, capitalize pipeline node labels

Titlecase all default/ship-feature pipeline node labels for consistent display.

client/src/components/DocumentTitle.tsx

@@ -26,7 +26,7 @@ export function DocumentTitle() {
     title = t("sessions");
   } else if (path.startsWith("/workflows")) {
     title = t("workflows");
-  } else if (path.startsWith("/run")) {
+  } else if (path.startsWith("/workspace")) {
     title = t("run");
   } else if (path.startsWith("/settings")) {
     title = t("settings");

client/src/components/Sagi/SagiPanel.tsx

@@ -159,7 +159,7 @@ export function SagiPanel({
 
         {/* quick actions */}
         <div className="mb-3 grid grid-cols-2 gap-1.5">
-          <ActionButton icon={Play} label="Run Claude" onClick={() => onNavigate("/run")} />
+          <ActionButton icon={Play} label="Run Claude" onClick={() => onNavigate("/workspace")} />
           <ActionButton icon={Activity} label="Activity" onClick={() => onNavigate("/activity")} />
           <ActionButton
             icon={LayoutList}

client/src/components/Sidebar.tsx

@@ -89,7 +89,7 @@ const NAV_KEYS = [
   { to: "/", icon: LayoutDashboard, key: "nav:dashboard" },
   { to: "/sessions", icon: FolderOpen, key: "nav:sessions" },
   { to: "/workflows", icon: Workflow, key: "nav:workflows" },
-  { to: "/run", icon: Play, key: "nav:workspace" },
+  { to: "/workspace", icon: Play, key: "nav:workspace" },
   { to: "/settings", icon: Settings, key: "nav:settings" },
 ] as const;