chore(lint): hoist test fixture arrays/objects

Clears 14 react-perf/jsx-no-new-* warnings across app test files by
hoisting constant fixtures to module scope or wrapping them in helper
factories so they no longer appear as inline JSX prop values.

packages/app/src/components/callout-card.test.tsx

@@ -57,6 +57,22 @@ vi.stubGlobal("IS_REACT_ACT_ENVIRONMENT", true);
 
 import { CalloutCard } from "./callout-card";
 
+type CalloutCardActions = React.ComponentProps<typeof CalloutCard>["actions"];
+
+function buildSingleAction(onPress: () => void): CalloutCardActions {
+  return [{ label: "Undo", onPress }];
+}
+
+function buildTwoActions(
+  onWhatsNew: () => void,
+  onInstall: () => void,
+): CalloutCardActions {
+  return [
+    { label: "What's new", onPress: onWhatsNew },
+    { label: "Install & restart", onPress: onInstall, variant: "primary" },
+  ];
+}
+
 describe("CalloutCard", () => {
   let root: Root | null = null;
   let container: HTMLElement | null = null;
@@ -101,7 +117,7 @@ describe("CalloutCard", () => {
 
   it("renders one action when one is provided", () => {
     const onPress = vi.fn();
-    const actions = [{ label: "Undo", onPress }];
+    const actions = buildSingleAction(onPress);
     act(() => {
       root?.render(<CalloutCard description="Saved." actions={actions} testID="callout" />);
     });
@@ -114,10 +130,7 @@ describe("CalloutCard", () => {
   });
 
   it("renders up to two actions", () => {
-    const actions: React.ComponentProps<typeof CalloutCard>["actions"] = [
-      { label: "What's new", onPress: vi.fn() },
-      { label: "Install & restart", onPress: vi.fn(), variant: "primary" },
-    ];
+    const actions = buildTwoActions(vi.fn(), vi.fn());
     act(() => {
       root?.render(
         <CalloutCard

packages/app/src/components/composer.test.tsx

@@ -441,9 +441,8 @@ vi.mock("@/components/ui/dropdown-menu", () => {
   return {
     DropdownMenu: ({ children }: { children: React.ReactNode }) => {
       const [open, setOpen] = React.useState(false);
-      return (
-        <DropdownContext.Provider value={{ open, setOpen }}>{children}</DropdownContext.Provider>
-      );
+      const contextValue = React.useMemo(() => ({ open, setOpen }), [open]);
+      return <DropdownContext.Provider value={contextValue}>{children}</DropdownContext.Provider>;
     },
     DropdownMenuTrigger: ({
       children,

packages/app/src/components/message-input.test.tsx

@@ -5,6 +5,10 @@ import { JSDOM } from "jsdom";
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import { MessageInput, type AttachmentMenuItem, type MessageInputRef } from "./message-input";
 
+const EMPTY_ATTACHMENTS: React.ComponentProps<typeof MessageInput>["attachments"] = [];
+const EMPTY_ATTACHMENT_MENU_ITEMS: AttachmentMenuItem[] = [];
+const FAKE_CONNECTED_CLIENT = { isConnected: true } as never;
+
 const { startDictationMock, cancelDictationMock, confirmDictationMock } = vi.hoisted(() => ({
   startDictationMock: vi.fn(),
   cancelDictationMock: vi.fn(),
@@ -251,10 +255,10 @@ function renderMessageInput(
         value={value}
         onChangeText={vi.fn()}
         onSubmit={vi.fn()}
-        attachments={[]}
+        attachments={EMPTY_ATTACHMENTS}
         cwd="/repo"
         attachmentMenuItems={menuItems}
-        client={{ isConnected: true } as never}
+        client={FAKE_CONNECTED_CLIENT}
         isAgentRunning={false}
         submitIcon={submitIcon}
         onQueue={vi.fn()}
@@ -346,10 +350,10 @@ describe("MessageInput dictation shortcuts", () => {
           value=""
           onChangeText={vi.fn()}
           onSubmit={vi.fn()}
-          attachments={[]}
+          attachments={EMPTY_ATTACHMENTS}
           cwd="/repo"
-          attachmentMenuItems={[]}
-          client={{ isConnected: true } as never}
+          attachmentMenuItems={EMPTY_ATTACHMENT_MENU_ITEMS}
+          client={FAKE_CONNECTED_CLIENT}
           isAgentRunning={false}
           isReadyForDictation={false}
           onQueue={vi.fn()}
@@ -370,10 +374,10 @@ describe("MessageInput dictation shortcuts", () => {
           value=""
           onChangeText={vi.fn()}
           onSubmit={vi.fn()}
-          attachments={[]}
+          attachments={EMPTY_ATTACHMENTS}
           cwd="/repo"
-          attachmentMenuItems={[]}
-          client={{ isConnected: true } as never}
+          attachmentMenuItems={EMPTY_ATTACHMENT_MENU_ITEMS}
+          client={FAKE_CONNECTED_CLIENT}
           isAgentRunning={false}
           isReadyForDictation
           onQueue={vi.fn()}

packages/app/src/components/stream-strategy-web.test.tsx

@@ -18,11 +18,13 @@ function userMessage(index: number): StreamItem {
   };
 }
 
+const VIRTUAL_ROW_STYLE = { height: 24 };
+
 function createRenderers(onRowRender: () => void): StreamSegmentRenderers {
   return {
     renderHistoryVirtualizedRow: (item) => {
       onRowRender();
-      return <div style={{ height: 24 }}>{item.id}</div>;
+      return <div style={VIRTUAL_ROW_STYLE}>{item.id}</div>;
     },
     renderHistoryMountedRow: (item) => <div>{item.id}</div>,
     renderLiveHeadRow: (item) => <div>{item.id}</div>,

packages/app/src/panels/agent-panel.test.tsx

@@ -294,6 +294,19 @@ function seedReadyAgent(agent: Agent = makeAgent()) {
   store.setAgentAuthoritativeHistoryApplied("server", "agent", true);
 }
 
+function buildTestPaneValue() {
+  return {
+    serverId: "server",
+    workspaceId: "workspace",
+    tabId: "agent-agent",
+    target: { kind: "agent" as const, agentId: "agent" },
+    openTab: vi.fn(),
+    closeCurrentTab: vi.fn(),
+    retargetCurrentTab: vi.fn(),
+    openFileInWorkspace: vi.fn(),
+  };
+}
+
 async function renderAgentPanel(
   root: Root,
   focus: PaneFocusContextValue = {
@@ -309,21 +322,11 @@ async function renderAgentPanel(
       mutations: { retry: false },
     },
   });
+  const paneValue = buildTestPaneValue();
   await act(async () => {
     root.render(
       <QueryClientProvider client={queryClient}>
-        <PaneProvider
-          value={{
-            serverId: "server",
-            workspaceId: "workspace",
-            tabId: "agent-agent",
-            target: { kind: "agent", agentId: "agent" },
-            openTab: vi.fn(),
-            closeCurrentTab: vi.fn(),
-            retargetCurrentTab: vi.fn(),
-            openFileInWorkspace: vi.fn(),
-          }}
-        >
+        <PaneProvider value={paneValue}>
           <PaneFocusProvider value={focus}>
             <AgentPanel />
           </PaneFocusProvider>

packages/app/src/screens/new-workspace-screen.test.tsx

@@ -17,7 +17,7 @@ const {
   saveDraftInputMock,
   clearDraftInputMock,
   queueDraftSubmissionMock,
-  createdAgent,
+  createdAgent: _createdAgent,
   createdWorkspace,
   prItem,
   prItemB,
@@ -163,6 +163,13 @@ vi.mock("lucide-react-native", () => {
   };
 });
 
+function flattenReanimatedStyle(style: unknown) {
+  if (!Array.isArray(style)) {
+    return style;
+  }
+  return Object.assign({}, ...style.filter(Boolean));
+}
+
 vi.mock("react-native-reanimated", () => ({
   default: {
     View: ({
@@ -170,9 +177,7 @@ vi.mock("react-native-reanimated", () => ({
       style,
       ...props
     }: React.HTMLAttributes<HTMLDivElement> & { testID?: string; style?: unknown }) => {
-      const flattenedStyle = Array.isArray(style)
-        ? Object.assign({}, ...style.filter(Boolean))
-        : style;
+      const flattenedStyle = flattenReanimatedStyle(style);
       return <div {...props} data-testid={testID} style={flattenedStyle as React.CSSProperties} />;
     },
   },