fix: improve browser upload triggering

src/browser/pw-tools-core.ts

@@ -283,6 +283,20 @@ export async function armFileUploadViaPlaywright(opts: {
         return;
       }
       await fileChooser.setFiles(opts.paths);
+      try {
+        const input =
+          typeof fileChooser.element === "function"
+            ? await fileChooser.element()
+            : null;
+        if (input) {
+          await input.evaluate((el) => {
+            el.dispatchEvent(new Event("input", { bubbles: true }));
+            el.dispatchEvent(new Event("change", { bubbles: true }));
+          });
+        }
+      } catch {
+        // Best-effort for sites that don't react to setFiles alone.
+      }
     })
     .catch(() => {
       // Ignore timeouts; the chooser may never appear.