//! Analytical tools and metrics for spatial narratives.
//!
//! This module provides functions for analyzing narratives,
//! including spatial metrics, temporal metrics, clustering,
//! and movement analysis.
//!
//! # Planned Features
//!
//! - `SpatialMetrics` - Geographic extent, distance, dispersion
//! - `TemporalMetrics` - Duration, event rate, gaps
//! - `MovementAnalyzer` - Trajectory extraction and analysis
//! - `SpatialClustering` - DBSCAN, k-means clustering
// TODO: Phase 5 implementation