Add Gitea OTA firmware update, dual-slot partition layout, and Gitea Actions release workflow

main/main.c

@@ -9,6 +9,7 @@
 #include "wifi_manager.h"
 #include "scryfall_client.h"
 #include "web_server.h"
+#include "ota_manager.h"
 
 static const char *TAG = "MAIN";
 
@@ -16,6 +17,9 @@ void app_main(void)
 {
     ESP_LOGI(TAG, "MTG RFID Companion booting...");
 
+    /* Validate OTA partition & cancel rollback if just updated */
+    ota_manager_init();
+
     ESP_ERROR_CHECK(storage_manager_init());
 
     /* RFID comes BEFORE the display: the reader lives on its own SPI3 bus