Module tui 

Real-Time Terminal Monitoring and Visualization (ENT-054 through ENT-067)

Terminal-based training visualization using trueno-viz exclusively.

Features

• MetricsBuffer: O(1) ring buffer for streaming metrics (ENT-055)
• Sparkline: Unicode sparklines for inline metrics (ENT-057)
• ProgressBar: Progress bar with Kalman-filtered ETA (ENT-058)
• RefreshPolicy: Adaptive refresh rate control (ENT-060)
• AndonSystem: Health monitoring with NaN/Inf detection (ENT-066)
• TerminalMonitorCallback: Unified callback for training loop (ENT-054)

References

• Tufte, E. R. (2006). Beautiful Evidence. Graphics Press. (Sparklines)
• Welch, G., & Bishop, G. (1995). “An Introduction to the Kalman Filter.” (ETA)

Structs

Alert

Training health alert.

AndonSystem

Andon system for training health monitoring.

FeatureImportanceChart

Feature importance bar chart for terminal display.

GradientFlowHeatmap

Gradient flow heatmap for visualizing per-layer gradients.

KalmanEta

Kalman filter for ETA estimation.

LossCurveDisplay

Wrapper for trueno-viz LossCurve with terminal output support.

MetricsBuffer

Fixed-size ring buffer for streaming metrics.

MonitorConfig

Monitor configuration for YAML.

ProgressBar

Progress bar renderer.

ReferenceCurve

Reference curve for comparison with current training run.

RefreshPolicy

Adaptive refresh rate policy.

TerminalCapabilities

Detected terminal capabilities.

TerminalMonitorCallback

Real-time terminal monitoring callback.

Enums

AlertLevel

Alert severity level.

DashboardLayout

Dashboard layout style.

TerminalMode

Terminal rendering mode.

Constants

SPARK_CHARS

Unicode sparkline characters for inline metric visualization.

Functions

format_duration

Format duration in seconds to human-readable string.

sparkline

Generate a sparkline string from a slice of values.

sparkline_range

Generate a sparkline with custom range.

Type Aliases

SeriesSummaryTuple

Summary of a metric series: (name, min_value, last_smoothed, best_epoch).