Function resolve_database_with_message 

pub fn resolve_database_with_message(
    path: Option<&Path>,
    action: &str,
) -> Result<(PathBuf, PathBuf)>

Resolve database path with user-friendly messaging

This is a shared utility used by both search and index commands. It finds the best database and prints appropriate messages when using a database from a parent directory or global location.

Arguments

• path - Optional target path (defaults to current directory)
• action - Action verb for messaging (e.g., “searching”, “indexing”)

Returns

• Ok((db_path, project_path)) - Tuple of database path and project root path
• Err(...) - If path resolution fails