feat: Add API endpoints for system reboot and retrieving system information.

Provider/main/api/system/reboot.cpp

@@ -0,0 +1,41 @@
+#pragma once
+
+#include "cJSON.h"
+#include "esp_http_server.h"
+#include "esp_system.h"
+#include "esp_timer.h"
+
+
+static void restart_timer_callback(void *arg) { esp_restart(); }
+
+static esp_err_t api_system_reboot_handler(httpd_req_t *req) {
+  httpd_resp_set_type(req, "application/json");
+
+  cJSON *root = cJSON_CreateObject();
+  cJSON_AddStringToObject(root, "status", "rebooting");
+
+  const char *response_text = cJSON_Print(root);
+  httpd_resp_sendstr(req, response_text);
+
+  free((void *)response_text);
+  cJSON_Delete(root);
+
+  const esp_timer_create_args_t restart_timer_args = {
+      .callback = &restart_timer_callback,
+      .arg = (void *)0,
+      .dispatch_method = ESP_TIMER_TASK,
+      .name = "restart_timer"};
+  esp_timer_handle_t restart_timer;
+  esp_timer_create(&restart_timer_args, &restart_timer);
+
+  // Schedule reboot 1 second from now to allow HTTP response to flush
+  esp_timer_start_once(restart_timer, 1000000);
+
+  return ESP_OK;
+}
+
+static const httpd_uri_t api_system_reboot_uri = {.uri = "/api/system/reboot",
+                                                  .method = HTTP_POST,
+                                                  .handler =
+                                                      api_system_reboot_handler,
+                                                  .user_ctx = NULL};