chore: clarify deferred reconnect fallback log

Co-authored-by: 78 <4488133+78@users.noreply.github.com>

main/boards/common/wifi_board.cc

@@ -25,6 +25,8 @@ static const char *TAG = "WifiBoard";
 
 // Connection timeout in seconds
 static constexpr int CONNECT_TIMEOUT_SEC = 60;
+// Give SoftAP/web teardown a brief window to finish before restarting STA mode.
+static constexpr uint64_t CONFIG_EXIT_RECONNECT_DELAY_US = 500000;
 
 WifiBoard::WifiBoard() {
     // Create connection timeout timer
@@ -36,6 +38,15 @@ WifiBoard::WifiBoard() {
         .skip_unhandled_events = true
     };
     esp_timer_create(&timer_args, &connect_timer_);
+
+    esp_timer_create_args_t config_exit_timer_args = {
+        .callback = OnWifiConfigExitReconnect,
+        .arg = this,
+        .dispatch_method = ESP_TIMER_TASK,
+        .name = "wifi_cfg_exit_timer",
+        .skip_unhandled_events = true
+    };
+    esp_timer_create(&config_exit_timer_args, &config_exit_timer_);
 }
 
 WifiBoard::~WifiBoard() {
@@ -43,6 +54,10 @@ WifiBoard::~WifiBoard() {
         esp_timer_stop(connect_timer_);
         esp_timer_delete(connect_timer_);
     }
+    if (config_exit_timer_) {
+        esp_timer_stop(config_exit_timer_);
+        esp_timer_delete(config_exit_timer_);
+    }
 }
 
 std::string WifiBoard::GetBoardType() {
@@ -131,8 +146,12 @@ void WifiBoard::OnNetworkEvent(NetworkEvent event, const std::string& data) {
         case NetworkEvent::WifiConfigModeExit:
             ESP_LOGI(TAG, "WiFi config mode exited");
             in_config_mode_ = false;
-            // Try to connect with the new credentials
-            TryWifiConnect();
+            // Defer reconnect until config AP teardown has fully completed.
+            esp_timer_stop(config_exit_timer_);
+            if (esp_timer_start_once(config_exit_timer_, CONFIG_EXIT_RECONNECT_DELAY_US) != ESP_OK) {
+                ESP_LOGW(TAG, "Failed to schedule deferred WiFi reconnect, attempting immediate connection");
+                TryWifiConnect();
+            }
             break;
         default:
             break;
@@ -156,6 +175,11 @@ void WifiBoard::OnWifiConnectTimeout(void* arg) {
     board->StartWifiConfigMode();
 }
 
+void WifiBoard::OnWifiConfigExitReconnect(void* arg) {
+    auto* board = static_cast<WifiBoard*>(arg);
+    board->TryWifiConnect();
+}
+
 void WifiBoard::StartWifiConfigMode() {
     in_config_mode_ = true;
     // Transition to wifi configuring state

main/boards/common/wifi_board.h

@@ -9,6 +9,7 @@
 class WifiBoard : public Board {
 protected:
     esp_timer_handle_t connect_timer_ = nullptr;
+    esp_timer_handle_t config_exit_timer_ = nullptr;
     bool in_config_mode_ = false;
     NetworkEventCallback network_event_callback_ = nullptr;
 
@@ -36,6 +37,11 @@ protected:
      */
     static void OnWifiConnectTimeout(void* arg);
 
+    /**
+     * Delayed reconnect after WiFi config AP teardown
+     */
+    static void OnWifiConfigExitReconnect(void* arg);
+
 public:
     WifiBoard();
     virtual ~WifiBoard();