from typing import Dict, Any, Optional, List


def save_reusable_templates(
    template_name: str,
    components: List[Dict[str, Any]],
    storage_uri: str,
    version: Optional[str] = None
) -> Dict[str, Any]:
    """
    Save Reusable Analysis Templates (placeholder intent)

    Parameters
    ----------
    template_name : str
    components : list[dict]
        Building blocks (charts, queries, transforms).
    storage_uri : str
        Where to store templates (e.g., s3://bucket/path or local path).
    version : str | None
        Optional semantic version tag.
    """
    return {
        "type": "automation_reusable_templates",
        "template_name": template_name,
        "components_count": len(components),
        "storage_uri": storage_uri,
        "version": version,
        "preview": {"saved": True},
    }
