refactor state and overlay runtime helpers

src/core/services/mpv-transport.ts

@@ -0,0 +1,28 @@
+export function getMpvReconnectDelay(
+  attempt: number,
+  hasConnectedOnce: boolean,
+): number {
+  if (hasConnectedOnce) {
+    if (attempt < 2) {
+      return 1000;
+    }
+    if (attempt < 4) {
+      return 2000;
+    }
+    if (attempt < 7) {
+      return 5000;
+    }
+    return 10000;
+  }
+
+  if (attempt < 2) {
+    return 200;
+  }
+  if (attempt < 4) {
+    return 500;
+  }
+  if (attempt < 6) {
+    return 1000;
+  }
+  return 2000;
+}