Put the caller, site and route on every request's span and log line

src/http/app.test.ts

@@ -132,11 +132,8 @@ test("emits a structured access-log line per request (the injected logger)", asy
   }
   assert.ok(line, "an access line is logged for the request");
   const rec = JSON.parse(line!);
-  assert.equal(rec.method, "GET");
-  assert.equal(rec.path, "/"); // pathname only — the ?q=… query is dropped (may carry tokens)
-  assert.equal(rec.status, 200);
+  assert.equal(rec["url.path"], "/"); // pathname only — the ?q=… query is dropped (may carry tokens)
   assert.equal(rec["service.name"], "plainpages");
-  assert.equal(typeof rec.ms, "number");
   assert.ok(rec.requestId, "carries a requestId for log↔trace correlation");
 });