Align integration assertions with typography defaults

Co-authored-by: Princess Donut <b238ea756dee4d98afa5883fc7f1de61eeabe65bf700e3a5a5a80db5e42e2c2b@buzz.block.builderlab.xyz>
Signed-off-by: Princess Donut <b238ea756dee4d98afa5883fc7f1de61eeabe65bf700e3a5a5a80db5e42e2c2b@buzz.block.builderlab.xyz>

desktop/tests/e2e/agents.spec.ts

@@ -732,9 +732,11 @@ test("moves agent actions into an overflow menu in a narrow view", async ({
   });
 
   await expect(page.getByTestId("agent-defaults-button")).toBeVisible();
+  // The app-wide default renders text-base at 17.142857px with Tailwind's
+  // 1.5 line-height ratio, which rounds to a 26px one-line scroll height.
   await expect(
     page.getByText("Set up and manage your agents.", { exact: true }),
-  ).toHaveJSProperty("scrollHeight", 24);
+  ).toHaveJSProperty("scrollHeight", 26);
 
   await page.getByTestId("agents-page-content").evaluate((element) => {
     (element as HTMLElement).style.width = "600px";

desktop/tests/e2e/onboarding.spec.ts

@@ -2020,7 +2020,7 @@ test("connected first-community profile keeps Back bottom-left and balances the
   );
   expect(nameKeyStyles).toMatchObject({
     borderRadius: "16px",
-    fontSize: "14px",
+    fontSize: "15px",
   });
   await expect(page.getByText("Your username", { exact: true })).toBeVisible();
   await expect(page.getByTestId("community-onboarding-flow")).toHaveAttribute(