feat(ws): stream data to line chart

backend/data.json

@@ -0,0 +1,62 @@
+[
+  {
+    "number": 43,
+    "timestamp": 1751904678378
+  },
+  {
+    "number": 44,
+    "timestamp": 1751904688400
+  },
+  {
+    "number": 50,
+    "timestamp": 1751904698413
+  },
+  {
+    "number": 55,
+    "timestamp": 1751904708422
+  },
+  {
+    "number": 52,
+    "timestamp": 1751904718446
+  },
+  {
+    "number": 45,
+    "timestamp": 1751904728342
+  },
+  {
+    "number": 73,
+    "timestamp": 1751904738349
+  },
+  {
+    "number": 45,
+    "timestamp": 1751904748375
+  },
+  {
+    "number": 45,
+    "timestamp": 1751904758402
+  },
+  {
+    "number": 49,
+    "timestamp": 1751904768420
+  },
+  {
+    "number": 71,
+    "timestamp": 1751904778446
+  },
+  {
+    "number": 62,
+    "timestamp": 1751904788455
+  },
+  {
+    "number": 46,
+    "timestamp": 1751904798494
+  },
+  {
+    "number": 46,
+    "timestamp": 1751904808488
+  },
+  {
+    "number": 63,
+    "timestamp": 1751904818496
+  }
+]