polish(techdemo): make demo customer-ready

req: examples/001

req: dx/008

req: form/002

examples/techdemo/tests/browser_e2e.rs

@@ -47,7 +47,7 @@ async fn browser_drives_typed_product_end_to_end() -> WebDriverResult<()> {
 
     let result = async {
         driver.goto(&format!("http://{APP_ADDR}/")).await?;
-        assert_text(&driver, "Rust owns the interaction graph").await?;
+        assert_text(&driver, "A Linear-class work system without a frontend framework").await?;
         assert_text(&driver, "Compile checked handles").await?;
         assert_text(&driver, "No selectors. Generated resources address every target.").await?;
         wait_for_runtime(&driver).await?;
@@ -70,25 +70,15 @@ async fn browser_drives_typed_product_end_to_end() -> WebDriverResult<()> {
             )
             .await?;
         driver
-            .execute(
-                &format!(
-                    r#"
-                    return fetch("/", {{
-                        method: "POST",
-                        headers: {{ "Content-Type": "application/x-www-form-urlencoded" }},
-                        body: "__h={}&title=Browser+verified+issue&lane=product&impact=8"
-                    }})
-                    .then((response) => response.arrayBuffer())
-                    .then((buffer) => {{ window.slhx.applyBatch(buffer, document.querySelector("[data-slhx-root]")); return true; }});
-                    "#,
-                    ui::control_center::handles::launch_work.id().id
-                ),
-                Vec::new(),
-            )
+            .find(By::Css(&format!(
+                "button{}",
+                handle_selector(ui::control_center::handles::launch_work.id().id)
+            )))
+            .await?
+            .click()
             .await?;
 
-        wait_for_text(&driver, &slot_selector(ui::control_center::slots::notice.id().id), "Launch accepted").await?;
-        assert_text(&driver, "Browser verified issue").await?;
+        wait_for_text(&driver, "body", "Browser verified issue").await?;
         assert_text(&driver, "width:88%").await?;
 
         driver