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git.stella-ops.org/docs/features/unchecked/zastava/verdict-observer-validator-ledger.md

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Verdict Observer/Validator/Ledger

Module

Zastava

Status

IMPLEMENTED

Description

Verdict subsystem with observer, validator, and ledger interfaces for tracking security verdicts at runtime.

Implementation Details

  • IVerdictObserver interface: src/Zastava/__Libraries/StellaOps.Zastava.Core/Verdicts/IVerdictObserver.cs -- observes and records verdict decisions
  • IVerdictValidator interface: src/Zastava/__Libraries/StellaOps.Zastava.Core/Verdicts/IVerdictValidator.cs -- validates verdict integrity and consistency
  • IVerdictLedger interface: src/Zastava/__Libraries/StellaOps.Zastava.Core/Verdicts/IVerdictLedger.cs -- append-only ledger for verdict history
  • VerdictObserverContracts: src/Zastava/__Libraries/StellaOps.Zastava.Core/Verdicts/VerdictObserverContracts.cs -- verdict DTOs and contract models
  • AdmissionDecision: src/Zastava/__Libraries/StellaOps.Zastava.Core/Contracts/AdmissionDecision.cs -- admission verdict decision model
  • ZastavaContractVersions: src/Zastava/__Libraries/StellaOps.Zastava.Core/Contracts/ZastavaContractVersions.cs -- contract versioning for verdict schemas
  • Tests: src/Zastava/__Tests/StellaOps.Zastava.Core.Tests/Contracts/ZastavaContractVersionsTests.cs
  • Source: Feature matrix scan

E2E Test Plan

  • Verify verdict observer records admission decisions with full context
  • Test verdict validator checks decision integrity (hash, signature, timestamp)
  • Verify verdict ledger provides append-only history with immutable entries
  • Test contract versioning handles schema evolution
  • Verify verdict chain maintains consistency across observer restarts