Claude opus authored everything to make the user and task work. First iteration

Provider/main/api/users/add.cpp

@@ -0,0 +1,67 @@
+// POST /api/users — Create a new user
+// Body: {"name": "Alice"}
+
+#include "cJSON.h"
+#include "esp_http_server.h"
+
+#include "types.hpp"
+#include "user.hpp"
+
+
+internal esp_err_t api_users_post_handler(httpd_req_t *req)
+{
+  httpd_resp_set_type(req, "application/json");
+  httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
+
+  char buf[128];
+  int received = httpd_req_recv(req, buf, sizeof(buf) - 1);
+  if (received <= 0)
+  {
+    httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Empty body");
+    return ESP_FAIL;
+  }
+  buf[received] = '\0';
+
+  cJSON *body = cJSON_Parse(buf);
+  if (!body)
+  {
+    httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Invalid JSON");
+    return ESP_FAIL;
+  }
+
+  cJSON *name_item = cJSON_GetObjectItem(body, "name");
+  if (!cJSON_IsString(name_item) || strlen(name_item->valuestring) == 0)
+  {
+    cJSON_Delete(body);
+    httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Missing 'name'");
+    return ESP_FAIL;
+  }
+
+  user_t *user = add_user(name_item->valuestring);
+  cJSON_Delete(body);
+
+  if (!user)
+  {
+    httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR,
+                        "User limit reached");
+    return ESP_FAIL;
+  }
+
+  cJSON *resp = cJSON_CreateObject();
+  cJSON_AddNumberToObject(resp, "id", user->id);
+  cJSON_AddStringToObject(resp, "name", user->name);
+
+  const char *json = cJSON_PrintUnformatted(resp);
+  httpd_resp_sendstr(req, json);
+
+  free((void *)json);
+  cJSON_Delete(resp);
+
+  return ESP_OK;
+}
+
+internal const httpd_uri_t api_users_post_uri = {.uri = "/api/users",
+                                                 .method = HTTP_POST,
+                                                 .handler =
+                                                     api_users_post_handler,
+                                                 .user_ctx = NULL};