feat(workspace,settings): model menu chip in the composer, compact settings panels

The workspace home's composer takes ONE Model chip (ModelMenu: model list
plus Effort) and moves AI Router / Permission / Local-New worktree into the
row under it; Settings drops the General-page cost card and export row,
PricingSettings and the empty states are compacted for settings panels.

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

@@ -5,7 +5,9 @@
  * open, `/` only where slash commands apply), Shift/Alt+Enter newlines, a
  * pasted image shown as a thumbnail and sent as its saved path, and `ModelPicker` — a tool's own
  * list from the server, a fixed list (an AI Router's models) when given one,
- * and Custom…, which is a sentinel, never a model id.
+ * and Custom…, which is a sentinel, never a model id — and `ModelMenu`, the
+ * same list as one chip: aliases up front, pinned versions under More models,
+ * plus the effort slider.
  *
  * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
  */
@@ -14,7 +16,13 @@ import { useState } from "react";
 import { fireEvent, render, screen } from "@testing-library/react";
 import { beforeEach, describe, expect, it, vi } from "vitest";
 import i18n from "i18next";
-import { ModelPicker, PromptEditor, promptWithImages, type PromptImage } from "../RunSetup";
+import {
+  ModelMenu,
+  ModelPicker,
+  PromptEditor,
+  promptWithImages,
+  type PromptImage,
+} from "../RunSetup";
 import { api } from "../../../lib/api";
 
 vi.mock("../../../lib/api", async (importOriginal) => {
@@ -217,3 +225,24 @@ describe("ModelPicker", () => {
     expect(screen.queryByText("Sonnet (latest · 5.5)")).toBeNull();
   });
 });
+
+describe("ModelMenu", () => {
+  it("puts the aliases up front, pinned versions under More models, and sets the effort", async () => {
+    const onChange = vi.fn();
+    const onEffort = vi.fn();
+    render(
+      <ModelMenu value="" onChange={onChange} tool="claude" effort="" onEffortChange={onEffort} />
+    );
+    fireEvent.click(screen.getByTitle(i18n.t("run:fields.model")));
+    await screen.findByText("Sonnet (latest · 5.5)");
+    expect(screen.queryByText("Claude Sonnet 5.5")).toBeNull();
+    // Low, Medium, High, … — index 2 is High.
+    fireEvent.change(screen.getByRole("slider", { name: i18n.t("run:fields.effort") }), {
+      target: { value: "2" },
+    });
+    expect(onEffort).toHaveBeenCalledWith("high");
+    fireEvent.click(screen.getByText(i18n.t("run:fields.moreModels")));
+    fireEvent.click(screen.getByText("Claude Sonnet 5.5"));
+    expect(onChange).toHaveBeenCalledWith("claude-sonnet-5-5");
+  });
+});