feat: integrate MCP and ES3C28P audio support with upstream compatibility updates

Tactility/Source/service/wifi/WifiApSettings.cpp

@@ -107,6 +107,23 @@ static bool decrypt(const std::string& ssidInput, std::string& ssidOutput) {
         return false;
     }
 
+    // Strip PKCS#7 padding
+    if (result_length > 0) {
+        uint8_t pad_val = result[result_length - 1];
+        if (pad_val >= 1 && pad_val <= 16 && pad_val <= result_length) {
+            bool valid_padding = true;
+            for (size_t i = result_length - pad_val; i < result_length; ++i) {
+                if (result[i] != pad_val) {
+                    valid_padding = false;
+                    break;
+                }
+            }
+            if (valid_padding) {
+                result[result_length - pad_val] = 0;
+            }
+        }
+    }
+
     ssidOutput = reinterpret_cast<char*>(result);
     free(result);
     return true;

Tactility/Source/service/wifi/WifiEsp.cpp

@@ -20,6 +20,9 @@
 #include <Tactility/service/wifi/WifiSettings.h>
 
 #include <esp_wifi_default.h>
+#include <esp_mac.h>
+#include <esp_netif.h>
+#include <mdns.h>
 #include <lwip/esp_netif_net_stack.h>
 #include <freertos/FreeRTOS.h>
 #include <atomic>
@@ -543,6 +546,28 @@ static void dispatchEnable(std::shared_ptr<Wifi> wifi) {
         }
         wifi->netif = esp_netif_create_default_wifi_sta();
 
+        if (wifi->netif != nullptr) {
+            uint8_t mac[6];
+            char hostname[32];
+            if (esp_read_mac(mac, ESP_MAC_WIFI_STA) == ESP_OK) {
+                snprintf(hostname, sizeof(hostname), "kidsOS-%02X%02X", mac[4], mac[5]);
+            } else {
+                strncpy(hostname, "kidsOS", sizeof(hostname));
+            }
+            LOGGER.info("Setting DHCP Hostname to '{}'", hostname);
+            esp_netif_set_hostname(wifi->netif, hostname);
+
+            // Initialize mDNS
+            esp_err_t mdns_err = mdns_init();
+            if (mdns_err == ESP_OK) {
+                LOGGER.info("mDNS initialized, setting hostname to '{}.local'", hostname);
+                mdns_hostname_set(hostname);
+                mdns_instance_name_set("kidsOS Tactility Device");
+            } else {
+                LOGGER.error("Failed to initialize mDNS: {}", (int)mdns_err);
+            }
+        }
+
         // Warning: this is the memory-intensive operation
         // It uses over 117kB of RAM with default settings for S3 on IDF v5.1.2
         wifi_init_config_t config = WIFI_INIT_CONFIG_DEFAULT();