Runtime Timeline API

Module

Scanner

Status

IMPLEMENTED

Description

Provides a chronological timeline of runtime observations (RuntimeTimeline model, TimelineBuilder, RuntimePosture enum) with an API endpoint. Distinct from "Runtime Reachability Collection" which is about gathering data, not the timeline visualization API.

Implementation Details

Timeline Model:
- src/Scanner/__Libraries/StellaOps.Scanner.Analyzers.Native/RuntimeCapture/Timeline/RuntimeTimeline.cs - RuntimeTimeline model representing a chronological sequence of runtime observations with RuntimePosture classification
Timeline Builder:
- src/Scanner/__Libraries/StellaOps.Scanner.Analyzers.Native/RuntimeCapture/Timeline/TimelineBuilder.cs - TimelineBuilder constructs timeline instances from raw runtime observations, ordering events chronologically and computing posture
Tests:
- src/Scanner/__Tests/StellaOps.Scanner.Analyzers.Native.Library.Tests/RuntimeCapture/Timeline/TimelineBuilderTests.cs - Unit tests for timeline construction and posture computation

E2E Test Plan

Build a runtime timeline from a set of native runtime observations and verify events are ordered chronologically
Verify the RuntimePosture enum correctly classifies the overall runtime posture based on observation patterns
Verify timeline entries include observation timestamps, source types, and observation counts
Submit runtime observations over time and verify the timeline reflects the temporal progression accurately
Verify the timeline API endpoint returns the timeline in a serializable format with correct pagination support

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