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Safety Event Integrator (SEI)#

SEI is a core component of the Halos Outside-In Safety AI Agent. It fuses reported events, prioritizes them by severity, and forwards consolidated results to SDM for control decisions.

Sub-components#

Communication Interface (legacy: PSSComm) — Manages IPC between SEI clients, SDM, and Safety Black Box.
Core Processing Unit (legacy: PSSCore) — Collates event parameters from SIPP clients and evaluates them against defined safety conditions. Also consumes trust reports from SAIM to qualify per-sensor input integrity, and propagates the resulting health state to SDM so that downstream decisions can react to compromised sensors.

Fusion operations#

SEI Fusion Operations#
Operation	Description
Temporal	Correlates events from multiple pipelines at different time points (same real-world occurrence).
Spatial	Correlates events from multiple sensors observing the same area.
Attribute	Combines event attributes across sources for a balanced representation.
Reordering	Prioritizes fused events by severity; critical events reach SDM with minimal latency.

Output: SEI forwards fused events to SDM with parameters (type, severity, confidence) for action determination.