Fix OTA partition name matching (#9302)

src/platform/esp32/BleOta.cpp

@@ -1,31 +1,53 @@
 #include "BleOta.h"
 #include "Arduino.h"
+#include <cctype>
 #include <esp_ota_ops.h>
+#include <string>
 
-static const String MESHTASTIC_OTA_APP_PROJECT_NAME("Meshtastic-OTA");
+static bool isMeshtasticOtaProject(const esp_app_desc_t &desc)
+{
+    std::string name(desc.project_name);
+    return name.find("Meshtastic") != std::string::npos && name.find("OTA") != std::string::npos;
+}
 
 const esp_partition_t *BleOta::findEspOtaAppPartition()
 {
-    const esp_partition_t *part = esp_partition_find_first(ESP_PARTITION_TYPE_APP, ESP_PARTITION_SUBTYPE_APP_OTA_0, nullptr);
-
     esp_app_desc_t app_desc;
-    esp_err_t ret = ESP_ERROR_CHECK_WITHOUT_ABORT(esp_ota_get_partition_description(part, &app_desc));
+    esp_err_t ret = ESP_ERR_INVALID_ARG;
 
-    if (ret != ESP_OK || MESHTASTIC_OTA_APP_PROJECT_NAME != app_desc.project_name) {
+    // Try standard OTA slots first (app0 / app1)
-        part = esp_partition_find_first(ESP_PARTITION_TYPE_APP, ESP_PARTITION_SUBTYPE_APP_OTA_1, nullptr);
+    const esp_partition_t *part = esp_partition_find_first(ESP_PARTITION_TYPE_APP, ESP_PARTITION_SUBTYPE_APP_OTA_0, nullptr);
+    if (part) {
         ret = ESP_ERROR_CHECK_WITHOUT_ABORT(esp_ota_get_partition_description(part, &app_desc));
     }
 
-    if (ret == ESP_OK && MESHTASTIC_OTA_APP_PROJECT_NAME == app_desc.project_name) {
+    if (!part || ret != ESP_OK || !isMeshtasticOtaProject(app_desc)) {
-        return part;
+        part = esp_partition_find_first(ESP_PARTITION_TYPE_APP, ESP_PARTITION_SUBTYPE_APP_OTA_1, nullptr);
-    } else {
+        if (part) {
-        return nullptr;
+            ret = ESP_ERROR_CHECK_WITHOUT_ABORT(esp_ota_get_partition_description(part, &app_desc));
+        }
     }
+
+    // Fallback: look by partition label "app1" in case table uses custom labels
+    if ((!part || ret != ESP_OK || !isMeshtasticOtaProject(app_desc))) {
+        part = esp_partition_find_first(ESP_PARTITION_TYPE_APP, ESP_PARTITION_SUBTYPE_ANY, "app1");
+        if (part) {
+            ret = ESP_ERROR_CHECK_WITHOUT_ABORT(esp_ota_get_partition_description(part, &app_desc));
+        }
+    }
+
+    if (part && ret == ESP_OK && isMeshtasticOtaProject(app_desc)) {
+        return part;
+    }
+    return nullptr;
 }
 
 String BleOta::getOtaAppVersion()
 {
     const esp_partition_t *part = findEspOtaAppPartition();
+    if (!part) {
+        return String();
+    }
     esp_app_desc_t app_desc;
     esp_err_t ret = ESP_ERROR_CHECK_WITHOUT_ABORT(esp_ota_get_partition_description(part, &app_desc));
     String version;