fix: keep control ui slash commands browser-safe

ui/src/ui/chat/slash-commands.browser-import.test.ts

@@ -0,0 +1,34 @@
+// @vitest-environment node
+import { readFile } from "node:fs/promises";
+import { describe, expect, it } from "vitest";
+
+describe("slash command browser import", () => {
+  it("builds fallback commands from the browser-safe shared registry", async () => {
+    const mod = await import("./slash-commands.ts?browser-import");
+
+    expect(mod.SLASH_COMMANDS.find((command) => command.name === "think")).toMatchObject({
+      name: "think",
+      category: "model",
+    });
+  });
+
+  it("keeps provider thinking runtime out of the Control UI import path", async () => {
+    const slashCommands = await readFile(new URL("./slash-commands.ts", import.meta.url), "utf8");
+    const sharedRegistry = await readFile(
+      new URL("../../../../src/auto-reply/commands-registry.shared.ts", import.meta.url),
+      "utf8",
+    );
+    const serverRegistry = await readFile(
+      new URL("../../../../src/auto-reply/commands-registry.data.ts", import.meta.url),
+      "utf8",
+    );
+    const mod = await import("./slash-commands.ts?browser-import");
+
+    expect(mod.SLASH_COMMANDS.some((command) => command.name === "think")).toBe(true);
+    expect(slashCommands).toContain("commands-registry.shared.js");
+    expect(sharedRegistry).toContain("thinking.shared.js");
+    expect(sharedRegistry).not.toContain("./thinking.js");
+    expect(sharedRegistry).not.toContain("provider-thinking");
+    expect(serverRegistry).toContain('from "./thinking.js"');
+  });
+});