feat(run): per-tool run setup fields and binary probe

client/src/components/run/__tests__/RunSetup.test.tsx

@@ -12,6 +12,7 @@
 
 import { MemoryRouter } from "react-router-dom";
 import { fireEvent, render, screen } from "@testing-library/react";
+import userEvent from "@testing-library/user-event";
 import { beforeEach, describe, expect, it, vi } from "vitest";
 import i18n from "i18next";
 import { RunSetup } from "../RunSetup";
@@ -47,6 +48,9 @@ function renderSetup(overrides: Partial<React.ComponentProps<typeof RunSetup>> =
     onStart: vi.fn(),
     onResumeSessionChange: vi.fn(),
     onResumeFromHistory: vi.fn(),
+    onSandboxChange: vi.fn(),
+    onApprovalChange: vi.fn(),
+    onResumeLast: vi.fn(),
   };
   const utils = render(
     <MemoryRouter>
@@ -64,6 +68,9 @@ function renderSetup(overrides: Partial<React.ComponentProps<typeof RunSetup>> =
         resumeSession={null}
         slashCommands={[]}
         runHistory={[]}
+        tool="claude"
+        sandbox="workspace-write"
+        approval="on-request"
         {...spies}
         {...overrides}
       />
@@ -273,6 +280,9 @@ describe("RunSetup — resume picker scopes sessions to the selected lane", () =
           slashCommands={[]}
           runHistory={[]}
           laneCwd="/Users/tester/lane-b"
+          tool="claude"
+          sandbox="workspace-write"
+          approval="on-request"
           onPromptChange={vi.fn()}
           onCwdChange={vi.fn()}
           onModelChange={vi.fn()}
@@ -281,6 +291,9 @@ describe("RunSetup — resume picker scopes sessions to the selected lane", () =
           onStart={vi.fn()}
           onResumeSessionChange={vi.fn()}
           onResumeFromHistory={vi.fn()}
+          onSandboxChange={vi.fn()}
+          onApprovalChange={vi.fn()}
+          onResumeLast={vi.fn()}
         />
       </MemoryRouter>
     );
@@ -291,3 +304,29 @@ describe("RunSetup — resume picker scopes sessions to the selected lane", () =
     );
   });
 });
+
+describe("RunSetup — per-tool fields", () => {
+  it("shows sandbox and approval instead of permission mode for a codex lane", () => {
+    renderSetup({ tool: "codex" });
+    expect(screen.getByText(/sandbox/i)).toBeInTheDocument();
+    expect(screen.getByText(/approval/i)).toBeInTheDocument();
+    expect(screen.queryByText(/permission mode/i)).not.toBeInTheDocument();
+  });
+
+  it("keeps permission mode for a claude lane", () => {
+    renderSetup({ tool: "claude" });
+    expect(screen.getByText(/permission mode/i)).toBeInTheDocument();
+    expect(screen.queryByText(/sandbox/i)).not.toBeInTheDocument();
+  });
+
+  it("sends codex fields on start", async () => {
+    const onStart = vi.fn();
+    const user = userEvent.setup();
+    renderSetup({ tool: "codex", onStart, prompt: "go" });
+    await user.click(screen.getByText(i18n.t("run:actions.start")));
+    expect(onStart).toHaveBeenCalledWith(
+      expect.objectContaining({ sandbox: "workspace-write", approval: "on-request" })
+    );
+    expect(onStart.mock.calls[0]?.[0]?.permissionMode).toBeUndefined();
+  });
+});