tests fixes and sprints work

docs/dev/SOLUTION_BUILD_GUIDE.md

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+# Solution Build Guide (Module-First)
+
+## Summary
+The root solution file at src/StellaOps.sln is a legacy placeholder and is not used for builds. Use the module-level solutions under src/<Module>/StellaOps.<Module>.sln.
+
+## Build approach
+- Build and test per module solution.
+- Prefer module ownership: keep changes and builds scoped to the module you are working in.
+- When a module depends on shared libraries, the module solution already wires those references.
+
+## Common commands
+- Build a module solution:
+  - dotnet build src/<Module>/StellaOps.<Module>.sln
+- Test a module solution:
+  - dotnet test src/<Module>/StellaOps.<Module>.sln
+
+## Module solution index
+- src/AdvisoryAI/StellaOps.AdvisoryAI.sln
+- src/AirGap/StellaOps.AirGap.sln
+- src/Aoc/StellaOps.Aoc.sln
+- src/Attestor/StellaOps.Attestor.sln
+- src/Authority/StellaOps.Authority.sln
+- src/Bench/StellaOps.Bench.sln
+- src/BinaryIndex/StellaOps.BinaryIndex.sln
+- src/Cartographer/StellaOps.Cartographer.sln
+- src/Cli/StellaOps.Cli.sln
+- src/Concelier/StellaOps.Concelier.sln
+- src/EvidenceLocker/StellaOps.EvidenceLocker.sln
+- src/Excititor/StellaOps.Excititor.sln
+- src/ExportCenter/StellaOps.ExportCenter.sln
+- src/Feedser/StellaOps.Feedser.sln
+- src/Findings/StellaOps.Findings.sln
+- src/Gateway/StellaOps.Gateway.sln
+- src/Graph/StellaOps.Graph.sln
+- src/IssuerDirectory/StellaOps.IssuerDirectory.sln
+- src/Notifier/StellaOps.Notifier.sln
+- src/Notify/StellaOps.Notify.sln
+- src/Orchestrator/StellaOps.Orchestrator.sln
+- src/PacksRegistry/StellaOps.PacksRegistry.sln
+- src/Policy/StellaOps.Policy.sln
+- src/ReachGraph/StellaOps.ReachGraph.sln
+- src/Registry/StellaOps.Registry.sln
+- src/Replay/StellaOps.Replay.sln
+- src/RiskEngine/StellaOps.RiskEngine.sln
+- src/Router/StellaOps.Router.sln
+- src/SbomService/StellaOps.SbomService.sln
+- src/Scanner/StellaOps.Scanner.sln
+- src/Scheduler/StellaOps.Scheduler.sln
+- src/Signer/StellaOps.Signer.sln
+- src/Signals/StellaOps.Signals.sln
+- src/SmRemote/StellaOps.SmRemote.sln
+- src/TaskRunner/StellaOps.TaskRunner.sln
+- src/Telemetry/StellaOps.Telemetry.sln
+- src/TimelineIndexer/StellaOps.TimelineIndexer.sln
+- src/Tools/StellaOps.Tools.sln
+- src/VexHub/StellaOps.VexHub.sln
+- src/VexLens/StellaOps.VexLens.sln
+- src/VulnExplorer/StellaOps.VulnExplorer.sln
+- src/Zastava/StellaOps.Zastava.sln
+
+## Notes
+- The module list is authoritative for CI and local builds.
+- When a new module solution is added, update this list.