"""Utilities to load the system prompt from the prompts directory."""

from __future__ import annotations

from pathlib import Path

DEFAULT_PROMPT_PATH = Path("prompts/micro-trend-prompt.md")


def load_system_prompt(path: Path | str = DEFAULT_PROMPT_PATH) -> str:
    prompt_path = Path(path)
    if not prompt_path.exists():
        raise FileNotFoundError(f"Prompt file not found at {prompt_path}")
    return prompt_path.read_text(encoding="utf-8")