Initial commit

src/api/http_client.h

@@ -0,0 +1,14 @@
+#pragma once
+#include <Arduino.h>
+
+// Result of a GET request against one of the JSON APIs.
+struct ApiResult {
+    bool success = false;
+    String body;
+    int httpCode = -1;
+};
+
+// Performs a simple HTTP GET request with a timeout and returns the raw body.
+// Kept deliberately simple: no retries here, retry logic lives in the screens
+// (either via the regular refresh timer or a manual button press).
+ApiResult httpGet(const String &url, uint32_t timeoutMs = 5000);