perf: keep IP after provisioning

main/main.c

@@ -82,7 +82,15 @@ static void wifi_init_sta(void)
 {
     esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, wifi_event_handler, NULL);
     esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, wifi_event_handler, NULL);
-    ESP_ERROR_CHECK(esp_wifi_connect());
+
+    esp_netif_t *netif = esp_netif_get_handle_from_ifkey("WIFI_STA_DEF");
+    esp_netif_ip_info_t ip_info = {0};
+    if (netif && esp_netif_get_ip_info(netif, &ip_info) == ESP_OK && ip_info.ip.addr != 0) {
+        ESP_LOGI(TAG, "WiFi already connected (IP: " IPSTR ")", IP2STR(&ip_info.ip));
+        xEventGroupSetBits(s_evt, WIFI_CONNECTED_BIT);
+    } else {
+        ESP_ERROR_CHECK(esp_wifi_connect());
+    }
 }
 
 static bool resolve_mqtt_broker_mdns(char *host_out, size_t host_len, uint16_t *port_out)

sdkconfig

@@ -3295,6 +3295,15 @@ CONFIG_VFS_SEMIHOSTFS_MAX_MOUNT_POINTS=1
 CONFIG_VFS_INITIALIZE_DEV_NULL=y
 # end of Virtual file system
 
+#
+# Sensor Configuration
+#
+# default:
+CONFIG_SENSOR_RESET_GPIO=0
+# default:
+CONFIG_SENSOR_RESET_HOLD_MS=5000
+# end of Sensor Configuration
+
 #
 # cJSON
 #
@@ -3408,9 +3417,7 @@ CONFIG_NETWORK_PROV_AUTOSTOP_TIMEOUT=30
 # CONFIG_NETWORK_PROV_BLE_NOTIFY is not set
 # default:
 # CONFIG_NETWORK_PROV_KEEP_BLE_ON_AFTER_PROV is not set
-# default:
 CONFIG_NETWORK_PROV_WIFI_STA_ALL_CHANNEL_SCAN=y
-# default:
 # CONFIG_NETWORK_PROV_WIFI_STA_FAST_SCAN is not set
 # end of Network Provisioning Manager
 # end of Component config

sdkconfig.defaults

@@ -20,3 +20,7 @@ CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions.csv"
 
 # Enable OTA
 CONFIG_BOOTLOADER_APP_ROLLBACK_ENABLE=y
+
+# Factory reset button (GPIO 0 = BOOT button on ESP32 DevKit)
+CONFIG_ANCHOR_RESET_GPIO=0
+CONFIG_ANCHOR_RESET_HOLD_MS=5000