task trajectory planner

Generation of requirements document from user prompt

> user_query
> best_practices (ecs design, etc.)
> bevy_template (2d & 3d templates)
< prd
< complexity

Task trajectory decomposition from PRD

> context
> prd
< estimated number of tasks based on prd complexity
< list of tasks
< confidence on current task trajectory

Task complexity analysis

> context
> task list
< complexity analysis report
< confidence on current task trajectory

Task expansion for each task

> parent_task
> child_task
> current_task
> expansion_rationale
> complexity_reasoning
< subtasks