add more stats to mobile and fix refresh stint

tests/server_persistence.integration.test.js

@@ -26,7 +26,8 @@ function waitForServer(child, timeoutMs = 10000) {
   return new Promise((resolve, reject) => {
     let output = "";
     const timeout = setTimeout(() => {
-      reject(new Error(`Server startup timed out. Output:\n${output}`));
+      reject(new Error(`Server startup timed out. Output:
+${output}`));
     }, timeoutMs);
     const onData = (chunk) => {
       output += chunk.toString();
@@ -42,7 +43,8 @@ function waitForServer(child, timeoutMs = 10000) {
     });
     child.once("exit", (code, signal) => {
       clearTimeout(timeout);
-      reject(new Error(`Server exited before startup (code=${code}, signal=${signal}). Output:\n${output}`));
+      reject(new Error(`Server exited before startup (code=${code}, signal=${signal}). Output:
+${output}`));
     });
   });
 }
@@ -211,6 +213,28 @@ test("SQLite API persists state, passings, and overlay session results", { timeo
     const storedPayload = await storedResponse.json();
     assert.deepEqual(storedPayload.state, initialState);
 
+    const markerResponse = await fetch(baseUrl + "/public-training/api/" + shareToken + "/markers", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ classId: "class_1", type: "car", note: "Ride height change" }),
+    });
+    const markerPayload = await markerResponse.json();
+    assert.equal(markerResponse.status, 201);
+    assert.equal(markerPayload.marker.type, "car");
+    const markerStateResponse = await fetch(baseUrl + "/api/state");
+    const markerState = await markerStateResponse.json();
+    assert.equal(markerState.state.training.markers.length, 1);
+    assert.equal(markerState.state.training.markers[0].driverId, "driver_1");
+    assert.equal(markerState.state.training.markers[0].classId, "class_1");
+    assert.equal(markerState.state.training.markers[0].note, "Ride height change");
+
+    const invalidMarkerResponse = await fetch(baseUrl + "/public-training/api/" + shareToken + "/markers", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ classId: "unknown_class", type: "car" }),
+    });
+    assert.equal(invalidMarkerResponse.status, 404);
+
     const sessionResult = {
       competitors: {
         driver_1: { key: "driver_1", driverName: "Driver One", laps: 1, bestLapMs: 16500 },