browser://console should be single resource (#34)

Returning one resource per log line is flooding the Claude UI:

<img width="1061" alt="Screenshot 2025-03-19 at 16 01 45"
src="https://github.com/user-attachments/assets/1779374e-6b9d-44d7-b916-c521933e1085"
/>

Returning one big resource with all lines feels better.

original PR: https://github.com/microsoft/playwright/pull/35276

src/resources/console.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import type { Resource, ResourceResult } from './resource';
+import type { Resource } from './resource';
 
 export const console: Resource = {
   schema: {
@@ -24,14 +24,12 @@ export const console: Resource = {
   },
 
   read: async (context, uri) => {
-    const result: ResourceResult[] = [];
-    for (const message of await context.ensureConsole()) {
-      result.push({
-        uri,
-        mimeType: 'text/plain',
-        text: `[${message.type().toUpperCase()}] ${message.text()}`,
-      });
-    }
-    return result;
+    const messages = await context.ensureConsole();
+    const log = messages.map(message => `[${message.type().toUpperCase()}] ${message.text()}`).join('\n');
+    return [{
+      uri,
+      mimeType: 'text/plain',
+      text: log
+    }];
   },
 };