Move console payloads to lazy PSRAM storage

src/network_console.c

@@ -12,6 +12,7 @@
 
 #include "esp_console.h"
 #include "esp_err.h"
+#include "esp_heap_caps.h"
 #include "esp_timer.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/queue.h"
@@ -186,7 +187,9 @@ typedef struct {
 
 #define PING_EVENT_QUEUE_LENGTH (PING_MAX_COUNT + 1U)
 static StaticQueue_t s_ping_queue_storage;
-static uint8_t s_ping_queue_bytes[PING_EVENT_QUEUE_LENGTH * sizeof(ping_event_t)];
+/* Dispatcher-owned lazy payload; retain for firmware lifetime so callback queue
+ * storage cannot dangle. Queue control stays internal. No internal-RAM fallback. */
+static uint8_t *s_ping_queue_bytes;
 static QueueHandle_t s_ping_queue;
 
 static void ping_on_success(esp_ping_handle_t handle, void *arguments)
@@ -289,6 +292,15 @@ static int execute_ping(int argc, char **argv)
         return 1;
     }
 
+    if (s_ping_queue_bytes == NULL) {
+        s_ping_queue_bytes = heap_caps_malloc(
+            PING_EVENT_QUEUE_LENGTH * sizeof(ping_event_t),
+            MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
+        if (s_ping_queue_bytes == NULL) {
+            printf("ping: PSRAM event storage unavailable\n");
+            return 1;
+        }
+    }
     if (s_ping_queue == NULL) {
         s_ping_queue = xQueueCreateStatic(PING_EVENT_QUEUE_LENGTH, sizeof(ping_event_t),
                                           s_ping_queue_bytes, &s_ping_queue_storage);