fix(tools): enable web_fetch by default

src/agents/tools/web-tools.enabled-defaults.test.ts

@@ -0,0 +1,23 @@
+import { describe, expect, it } from "vitest";
+
+import { createWebFetchTool, createWebSearchTool } from "./web-tools.js";
+
+describe("web tools defaults", () => {
+  it("enables web_fetch by default (non-sandbox)", () => {
+    const tool = createWebFetchTool({ config: {}, sandboxed: false });
+    expect(tool?.name).toBe("web_fetch");
+  });
+
+  it("disables web_fetch when explicitly disabled", () => {
+    const tool = createWebFetchTool({
+      config: { tools: { web: { fetch: { enabled: false } } } },
+      sandboxed: false,
+    });
+    expect(tool).toBeNull();
+  });
+
+  it("enables web_search by default", () => {
+    const tool = createWebSearchTool({ config: {}, sandboxed: false });
+    expect(tool?.name).toBe("web_search");
+  });
+});