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

Provider/main/api/tasks/store.hpp

@@ -0,0 +1,12 @@
+#pragma once
+
+#include "todo.hpp"
+#include "types.hpp"
+
+// Data store operations for tasks
+internal task_t *find_task(uint16 id);
+internal task_t *add_task(uint8 user_id, const char *title, int64 due_date);
+internal bool remove_task(uint16 id);
+internal void remove_tasks_for_user(uint8 user_id);
+internal void sort_tasks_by_due_date(task_t **arr, int count);
+internal void seed_tasks();