feat: Complete ADR-001, ADR-009, ADR-012 implementations with zero mocks

ADR-001 (WiFi-Mat disaster response pipeline):
- Add EnsembleClassifier with weighted voting (breathing/heartbeat/movement)
- Wire EventStore into DisasterResponse with domain event emission
- Add scan control API endpoints (push CSI, scan control, pipeline status, domain events)
- Implement START triage protocol (Immediate/Delayed/Minor/Deceased/Unknown)
- Critical patterns (Agonal/Apnea) bypass confidence threshold for safety
- Add 6 deterministic integration tests with synthetic sinusoidal CSI data

ADR-009 (WASM signal pipeline):
- Add pushCsiData() with zero-crossing breathing rate extraction
- Add getPipelineConfig() for runtime configuration access
- Update TypeScript type definitions for new WASM exports

ADR-012 (ESP32 CSI sensor mesh):
- Implement CsiFrame, CsiMetadata, SubcarrierData types
- Implement Esp32CsiParser with binary frame parsing (magic/header/IQ pairs)
- Add parse_stream() with automatic resync on corruption
- Add ParseError enum with descriptive error variants
- 12 unit tests covering valid frames, corruption, multi-frame streams

All 275 workspace tests pass. No mocks, no stubs, no placeholders.

https://claude.ai/code/session_01Ki7pvEZtJDvqJkmyn6B714
This commit is contained in:
Claude
2026-02-28 14:15:26 +00:00
parent a92d5dc9b0
commit 6af0236fc7
17 changed files with 1894 additions and 28 deletions

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@@ -0,0 +1,327 @@
//! Ensemble classifier that combines breathing, heartbeat, and movement signals
//! into a unified survivor detection confidence score.
//!
//! The ensemble uses weighted voting across the three detector signals:
//! - Breathing presence is the strongest indicator of a living survivor
//! - Heartbeat (when enabled) provides high-confidence confirmation
//! - Movement type distinguishes active vs trapped survivors
//!
//! The classifier produces a single confidence score and a recommended
//! triage status based on the combined signals.
use crate::domain::{
BreathingType, MovementType, TriageStatus, VitalSignsReading,
};
/// Configuration for the ensemble classifier
#[derive(Debug, Clone)]
pub struct EnsembleConfig {
/// Weight for breathing signal (0.0-1.0)
pub breathing_weight: f64,
/// Weight for heartbeat signal (0.0-1.0)
pub heartbeat_weight: f64,
/// Weight for movement signal (0.0-1.0)
pub movement_weight: f64,
/// Minimum combined confidence to report a detection
pub min_ensemble_confidence: f64,
}
impl Default for EnsembleConfig {
fn default() -> Self {
Self {
breathing_weight: 0.50,
heartbeat_weight: 0.30,
movement_weight: 0.20,
min_ensemble_confidence: 0.3,
}
}
}
/// Result of ensemble classification
#[derive(Debug, Clone)]
pub struct EnsembleResult {
/// Combined confidence score (0.0-1.0)
pub confidence: f64,
/// Recommended triage status based on signal analysis
pub recommended_triage: TriageStatus,
/// Whether breathing was detected
pub breathing_detected: bool,
/// Whether heartbeat was detected
pub heartbeat_detected: bool,
/// Whether meaningful movement was detected
pub movement_detected: bool,
/// Individual signal confidences
pub signal_confidences: SignalConfidences,
}
/// Individual confidence scores for each signal type
#[derive(Debug, Clone)]
pub struct SignalConfidences {
/// Breathing detection confidence
pub breathing: f64,
/// Heartbeat detection confidence
pub heartbeat: f64,
/// Movement detection confidence
pub movement: f64,
}
/// Ensemble classifier combining breathing, heartbeat, and movement detectors
pub struct EnsembleClassifier {
config: EnsembleConfig,
}
impl EnsembleClassifier {
/// Create a new ensemble classifier
pub fn new(config: EnsembleConfig) -> Self {
Self { config }
}
/// Classify a vital signs reading using weighted ensemble voting.
///
/// The ensemble combines individual detector outputs with configured weights
/// to produce a single confidence score and triage recommendation.
pub fn classify(&self, reading: &VitalSignsReading) -> EnsembleResult {
// Extract individual signal confidences (using method calls)
let breathing_conf = reading
.breathing
.as_ref()
.map(|b| b.confidence())
.unwrap_or(0.0);
let heartbeat_conf = reading
.heartbeat
.as_ref()
.map(|h| h.confidence())
.unwrap_or(0.0);
let movement_conf = if reading.movement.movement_type != MovementType::None {
reading.movement.confidence()
} else {
0.0
};
// Weighted ensemble confidence
let total_weight =
self.config.breathing_weight + self.config.heartbeat_weight + self.config.movement_weight;
let ensemble_confidence = if total_weight > 0.0 {
(breathing_conf * self.config.breathing_weight
+ heartbeat_conf * self.config.heartbeat_weight
+ movement_conf * self.config.movement_weight)
/ total_weight
} else {
0.0
};
let breathing_detected = reading.breathing.is_some();
let heartbeat_detected = reading.heartbeat.is_some();
let movement_detected = reading.movement.movement_type != MovementType::None;
// Determine triage status from signal combination
let recommended_triage = self.determine_triage(reading, ensemble_confidence);
EnsembleResult {
confidence: ensemble_confidence,
recommended_triage,
breathing_detected,
heartbeat_detected,
movement_detected,
signal_confidences: SignalConfidences {
breathing: breathing_conf,
heartbeat: heartbeat_conf,
movement: movement_conf,
},
}
}
/// Determine triage status based on vital signs analysis.
///
/// Uses START triage protocol logic:
/// - Immediate (Red): Breathing abnormal (agonal, apnea, too fast/slow)
/// - Delayed (Yellow): Breathing present, limited movement
/// - Minor (Green): Normal breathing + active movement
/// - Deceased (Black): No vitals detected at all
/// - Unknown: Insufficient data to classify
///
/// Critical patterns (Agonal, Apnea, extreme rates) are always classified
/// as Immediate regardless of confidence level, because in disaster response
/// a false negative (missing a survivor in distress) is far more costly
/// than a false positive.
fn determine_triage(
&self,
reading: &VitalSignsReading,
confidence: f64,
) -> TriageStatus {
// CRITICAL PATTERNS: always classify regardless of confidence.
// In disaster response, any sign of distress must be escalated.
if let Some(ref breathing) = reading.breathing {
match breathing.pattern_type {
BreathingType::Agonal | BreathingType::Apnea => {
return TriageStatus::Immediate;
}
_ => {}
}
let rate = breathing.rate_bpm;
if rate < 10.0 || rate > 30.0 {
return TriageStatus::Immediate;
}
}
// Below confidence threshold: not enough signal to classify further
if confidence < self.config.min_ensemble_confidence {
return TriageStatus::Unknown;
}
let has_breathing = reading.breathing.is_some();
let has_movement = reading.movement.movement_type != MovementType::None;
if !has_breathing && !has_movement {
return TriageStatus::Deceased;
}
if !has_breathing && has_movement {
return TriageStatus::Immediate;
}
// Has breathing above threshold - assess triage level
if let Some(ref breathing) = reading.breathing {
let rate = breathing.rate_bpm;
if rate < 12.0 || rate > 24.0 {
if has_movement {
return TriageStatus::Delayed;
}
return TriageStatus::Immediate;
}
// Normal breathing rate
if has_movement {
return TriageStatus::Minor;
}
return TriageStatus::Delayed;
}
TriageStatus::Unknown
}
/// Get configuration
pub fn config(&self) -> &EnsembleConfig {
&self.config
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::domain::{
BreathingPattern, HeartbeatSignature, MovementProfile,
SignalStrength, ConfidenceScore,
};
fn make_reading(
breathing: Option<(f32, BreathingType)>,
heartbeat: Option<f32>,
movement: MovementType,
) -> VitalSignsReading {
let bp = breathing.map(|(rate, pattern_type)| BreathingPattern {
rate_bpm: rate,
pattern_type,
amplitude: 0.9,
regularity: 0.9,
});
let hb = heartbeat.map(|rate| HeartbeatSignature {
rate_bpm: rate,
variability: 0.1,
strength: SignalStrength::Moderate,
});
let is_moving = movement != MovementType::None;
let mv = MovementProfile {
movement_type: movement,
intensity: if is_moving { 0.5 } else { 0.0 },
frequency: 0.0,
is_voluntary: is_moving,
};
VitalSignsReading::new(bp, hb, mv)
}
#[test]
fn test_normal_breathing_with_movement_is_minor() {
let classifier = EnsembleClassifier::new(EnsembleConfig::default());
let reading = make_reading(
Some((16.0, BreathingType::Normal)),
None,
MovementType::Periodic,
);
let result = classifier.classify(&reading);
assert!(result.confidence > 0.0);
assert_eq!(result.recommended_triage, TriageStatus::Minor);
assert!(result.breathing_detected);
}
#[test]
fn test_agonal_breathing_is_immediate() {
let classifier = EnsembleClassifier::new(EnsembleConfig::default());
let reading = make_reading(
Some((8.0, BreathingType::Agonal)),
None,
MovementType::None,
);
let result = classifier.classify(&reading);
assert_eq!(result.recommended_triage, TriageStatus::Immediate);
}
#[test]
fn test_normal_breathing_no_movement_is_delayed() {
let classifier = EnsembleClassifier::new(EnsembleConfig::default());
let reading = make_reading(
Some((16.0, BreathingType::Normal)),
None,
MovementType::None,
);
let result = classifier.classify(&reading);
assert_eq!(result.recommended_triage, TriageStatus::Delayed);
}
#[test]
fn test_no_vitals_is_deceased() {
let mv = MovementProfile::default();
let mut reading = VitalSignsReading::new(None, None, mv);
reading.confidence = ConfidenceScore::new(0.5);
let mut config = EnsembleConfig::default();
config.min_ensemble_confidence = 0.0;
let classifier = EnsembleClassifier::new(config);
let result = classifier.classify(&reading);
assert_eq!(result.recommended_triage, TriageStatus::Deceased);
}
#[test]
fn test_ensemble_confidence_weighting() {
let classifier = EnsembleClassifier::new(EnsembleConfig {
breathing_weight: 0.6,
heartbeat_weight: 0.3,
movement_weight: 0.1,
min_ensemble_confidence: 0.0,
});
let reading = make_reading(
Some((16.0, BreathingType::Normal)),
Some(72.0),
MovementType::Periodic,
);
let result = classifier.classify(&reading);
assert!(result.confidence > 0.0);
assert!(result.breathing_detected);
assert!(result.heartbeat_detected);
assert!(result.movement_detected);
}
}

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@@ -7,11 +7,13 @@
//! - Ensemble classification combining all signals
mod breathing;
mod ensemble;
mod heartbeat;
mod movement;
mod pipeline;
pub use breathing::{BreathingDetector, BreathingDetectorConfig};
pub use ensemble::{EnsembleClassifier, EnsembleConfig, EnsembleResult, SignalConfidences};
pub use heartbeat::{HeartbeatDetector, HeartbeatDetectorConfig};
pub use movement::{MovementClassifier, MovementClassifierConfig};
pub use pipeline::{DetectionPipeline, DetectionConfig, VitalSignsDetector, CsiDataBuffer};

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@@ -183,14 +183,19 @@ impl DetectionPipeline {
self.ml_pipeline.as_ref().map_or(true, |ml| ml.is_ready())
}
/// Process a scan zone and return detected vital signs
/// Process a scan zone and return detected vital signs.
///
/// CSI data must be pushed into the pipeline via [`add_data`] before calling
/// this method. The pipeline processes buffered amplitude/phase samples through
/// breathing, heartbeat, and movement detectors. If ML is enabled and ready,
/// results are enhanced with ML predictions.
///
/// Returns `None` if insufficient data is buffered (< 5 seconds) or if
/// detection confidence is below the configured threshold.
pub async fn process_zone(&self, zone: &ScanZone) -> Result<Option<VitalSignsReading>, MatError> {
// In a real implementation, this would:
// 1. Collect CSI data from sensors in the zone
// 2. Preprocess the data
// 3. Run detection algorithms
// For now, check if we have buffered data
// Process buffered CSI data through the signal processing pipeline.
// Data arrives via add_data() from hardware adapters (ESP32, Intel 5300, etc.)
// or from the CSI push API endpoint.
let buffer = self.data_buffer.read();
if !buffer.has_sufficient_data(5.0) {