Outcome Analytics / Attribution

Module

Telemetry

Status

IMPLEMENTED

Description

Deterministic outcome analytics service providing MTTA/MTTR attribution, per-pipeline deployment attribution, per-severity incident attribution, daily cohort analysis, and executive reporting backed by DORA metrics.

Implementation Details

IOutcomeAnalyticsService: src/Telemetry/StellaOps.Telemetry.Core/StellaOps.Telemetry.Core/IOutcomeAnalyticsService.cs -- service interface for building executive outcome reports
DoraOutcomeAnalyticsService: src/Telemetry/StellaOps.Telemetry.Core/StellaOps.Telemetry.Core/DoraOutcomeAnalyticsService.cs -- deterministic implementation backed by IDoraMetricsService; builds deployment attribution slices grouped by pipeline, incident attribution slices grouped by severity, and daily cohort views for trend reporting
OutcomeAnalyticsModels: src/Telemetry/StellaOps.Telemetry.Core/StellaOps.Telemetry.Core/OutcomeAnalyticsModels.cs -- OutcomeExecutiveReport, DeploymentAttributionSlice, IncidentAttributionSlice, OutcomeCohortSlice records
DI Registration: src/Telemetry/StellaOps.Telemetry.Core/StellaOps.Telemetry.Core/TelemetryServiceCollectionExtensions.cs -- registered automatically via AddDoraMetrics() extension method
Tests: src/Telemetry/StellaOps.Telemetry.Core/StellaOps.Telemetry.Core.Tests/OutcomeAnalyticsServiceTests.cs (3 test cases)
Source: Feature matrix scan + QA verification

Verified Behaviors

Executive report computes total/failed deployments, total/resolved/acknowledged incidents
MTTA and MTTR computed across incidents with deterministic rounding
Deployment attribution grouped by pipeline with per-pipeline CFR and median lead time
Incident attribution grouped by severity with per-severity MTTA/MTTR
Daily cohort view covers full date range with deployment and incident counts
Deterministic: repeated calls with same data produce identical reports
DI registration via AddDoraMetrics() resolves IOutcomeAnalyticsService

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