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0001cdd579fb98a48ba6f11e3096b02802007ffb
lmxopcua/code-reviews/README.md
Joseph Doherty 0001cdd579 fix(scripted-alarms): reuse per-alarm evaluation scratch on the hot path 
Core.ScriptedAlarms-009 resolution: replace the per-call Dictionary +
AlarmPredicateContext allocation with a per-alarm reusable AlarmScratch
held in _scratchByAlarmId, refilled in place under _evalGate on each
evaluation. The hot path no longer allocates per upstream tag change.

Why this matters:
  On a busy line where many tags feeding many alarms change frequently,
  the old BuildReadCache allocated a fresh dictionary + context on every
  predicate evaluation — a steady stream of short-lived allocations the
  GC eventually has to reclaim. With the reuse, the dictionary and
  context are allocated once per alarm (on first evaluation) and refilled
  in place across every subsequent re-eval.

Implementation:
  - New private AlarmScratch class holds the reusable
    Dictionary<string, DataValueSnapshot> read cache (pre-sized to the
    alarm's Inputs.Count) and the AlarmPredicateContext that wraps it by
    reference. The context observes refilled values without being
    re-created.
  - ConcurrentDictionary<string, AlarmScratch> _scratchByAlarmId on the
    engine, cleared in LoadAsync alongside _alarms so a config-publish
    drops the prior generation's scratch (Inputs / Logger may change).
  - EvaluatePredicateToStateAsync looks up scratch via GetOrAdd, calls
    the new RefillReadCache(Dictionary, IReadOnlySet) helper to clear +
    repopulate the dictionary in place, then runs the predicate against
    the reused context.
  - BuildReadCache removed.

Safety:
  Reuse is serialised under _evalGate which guarantees no two threads
  ever observe the same scratch in a half-refilled state. The
  AlarmPredicateContext is bound to the scratch dictionary by reference,
  so the predicate's ctx.GetTag(path) sees the freshly-refilled values
  rather than a stale snapshot.

Verification:
  - All 66 ScriptedAlarms tests pass (was 63 — three new regression tests
    locking the reuse contract).
  - All 56 VirtualTags tests still pass (unchanged).
  - All 104 Core.Scripting tests still pass (unchanged).

New tests in ScriptedAlarmEngineTests:
  - Reevaluation_reuses_the_same_read_cache_dictionary — asserts
    ReferenceEquals(scratch_before, scratch_after) across two
    evaluations of the same alarm.
  - Reevaluation_reuses_the_same_predicate_context — same, for the
    context.
  - LoadAsync_drops_the_prior_generations_scratch — asserts a config
    publish wipes the prior scratch (so a stale Logger / Inputs can't
    leak into the new generation).

Internal test hooks TryGetScratchReadCacheForTest /
TryGetScratchContextForTest added via the existing
InternalsVisibleTo for the tests project. Kept internal — not part of
the public engine surface.

Docs:
  - docs/v2/Galaxy.Performance.md "Scripted-alarm engine" section
    rewritten as "hot-path allocation reuse" documenting the new
    contract + reuse safety reasoning + the three regression tests.
  - code-reviews/Core.ScriptedAlarms/findings.md -009 flipped
    Won't Fix → Resolved.
  - code-reviews/README.md regenerated.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-23 16:10:09 -04:00

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# Code Reviews
<!-- GENERATED FILE - do not edit by hand. Regenerate with: python code-reviews/regen-readme.py -->
Cross-module code review index for the OtOpcUa server codebase (`lmxopcua`). The review process is defined in [../REVIEW-PROCESS.md](../REVIEW-PROCESS.md).
Each module's `findings.md` is the source of truth; this file is generated from them by `regen-readme.py` and must not be edited by hand.
## Module status
| Module | Reviewer | Date | Commit | Status | Open | Total |
|---|---|---|---|---|---|---|
| [Admin](Admin/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 13 |
| [Analyzers](Analyzers/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 7 |
| [Client.CLI](Client.CLI/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 10 |
| [Client.Shared](Client.Shared/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 11 |
| [Client.UI](Client.UI/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 11 |
| [Configuration](Configuration/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 11 |
| [Core](Core/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 12 |
| [Core.Abstractions](Core.Abstractions/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 8 |
| [Core.AlarmHistorian](Core.AlarmHistorian/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 11 |
| [Core.ScriptedAlarms](Core.ScriptedAlarms/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 12 |
| [Core.Scripting](Core.Scripting/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 11 |
| [Core.VirtualTags](Core.VirtualTags/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 13 |
| [Driver.AbCip](Driver.AbCip/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 15 |
| [Driver.AbCip.Cli](Driver.AbCip.Cli/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 8 |
| [Driver.AbLegacy](Driver.AbLegacy/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 13 |
| [Driver.AbLegacy.Cli](Driver.AbLegacy.Cli/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 7 |
| [Driver.Cli.Common](Driver.Cli.Common/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 6 |
| [Driver.FOCAS](Driver.FOCAS/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 12 |
| [Driver.FOCAS.Cli](Driver.FOCAS.Cli/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 5 |
| [Driver.Galaxy](Driver.Galaxy/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 14 |
| [Driver.Historian.Wonderware](Driver.Historian.Wonderware/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 12 |
| [Driver.Historian.Wonderware.Client](Driver.Historian.Wonderware.Client/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 10 |
| [Driver.Modbus](Driver.Modbus/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 12 |
| [Driver.Modbus.Addressing](Driver.Modbus.Addressing/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 9 |
| [Driver.Modbus.Cli](Driver.Modbus.Cli/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 8 |
| [Driver.OpcUaClient](Driver.OpcUaClient/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 15 |
| [Driver.S7](Driver.S7/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 14 |
| [Driver.S7.Cli](Driver.S7.Cli/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 7 |
| [Driver.TwinCAT](Driver.TwinCAT/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 16 |
| [Driver.TwinCAT.Cli](Driver.TwinCAT.Cli/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 7 |
| [Server](Server/findings.md) | Claude Code | 2026-05-22 | `76d35d1` | Reviewed | 0 | 15 |
## Pending findings
Findings with status `Open` or `In Progress`, ordered by severity.
_No pending findings._
## Closed findings
Findings with status `Resolved`, `Won't Fix`, or `Deferred`.
| ID | Severity | Status | Category | Location |
|---|---|---|---|---|
| Admin-001 | Critical | Resolved | Security | `Components/Routes.razor:4-11`, `Program.cs:150` |
| Admin-002 | Critical | Resolved | Security | `Components/Pages/Clusters/NewCluster.razor:1-7`, `Home.razor`, `Fleet.razor`, `Hosts.razor`, `AlarmsHistorian.razor`, `Clusters/ClustersList.razor`, `Clusters/Generations.razor`, `Drivers/FocasDetail.razor` |
| Core.AlarmHistorian-001 | Critical | Resolved | Correctness & logic bugs | `src/Core/ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian/SqliteStoreAndForwardSink.cs:255-278` |
| Core.Scripting-001 | Critical | Resolved | Security | `ForbiddenTypeAnalyzer.cs:45`, `ScriptSandbox.cs:54` |
| Driver.Galaxy-001 | Critical | Resolved | Error handling & resilience | `Runtime/EventPump.cs:128`, `GalaxyDriver.cs:222` |
| Server-001 | Critical | Resolved | Correctness & logic bugs | `src/Server/ZB.MOM.WW.OtOpcUa.Server/OpcUa/DriverNodeManager.cs:1791` |
| Admin-003 | High | Resolved | Security | `Program.cs:137-139`, `Hubs/FleetStatusHub.cs:11`, `Hubs/AlertHub.cs:10`, `Hubs/ScriptLogHub.cs:30` |
| Admin-004 | High | Resolved | Security | `appsettings.json:3,13-14` |
| Admin-005 | High | Resolved | Correctness & logic bugs | `Components/Pages/Login.razor:15,107-110` |
| Admin-013 | High | Resolved | Error handling & resilience | `Components/Pages/Clusters/ClusterDetail.razor:180-197`, `Components/Pages/Clusters/AclsTab.razor`, `Components/Pages/Clusters/RedundancyTab.razor`, `Components/Pages/RoleGrants.razor`, `Components/Pages/Hosts.razor`, `Components/Pages/ScriptLog.razor`, `Program.cs:157-159` |
| Client.Shared-005 | High | Resolved | Concurrency & thread safety | `OpcUaClientService.cs:19`, `OpcUaClientService.cs:226-249`, `OpcUaClientService.cs:499-521` |
| Client.Shared-006 | High | Resolved | Concurrency & thread safety | `OpcUaClientService.cs:97-100`, `OpcUaClientService.cs:432-497` |
| Configuration-001 | High | Resolved | Correctness & logic bugs | `src/Core/ZB.MOM.WW.OtOpcUa.Configuration/Migrations/20260417215224_StoredProcedures.cs:282` |
| Configuration-008 | High | Resolved | Security | `src/Core/ZB.MOM.WW.OtOpcUa.Configuration/Migrations/20260417215224_StoredProcedures.cs:150`, `:373`, `:468` |
| Core-001 | High | Resolved | Correctness & logic bugs | `src/Core/ZB.MOM.WW.OtOpcUa.Core/Authorization/UserAuthorizationState.cs:50-68` |
| Core-002 | High | Resolved | Security | `src/Core/ZB.MOM.WW.OtOpcUa.Core/Authorization/TriePermissionEvaluator.cs:24-50` |
| Core.AlarmHistorian-002 | High | Resolved | Correctness & logic bugs | `src/Core/ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian/SqliteStoreAndForwardSink.cs:99-105,386-388` |
| Core.AlarmHistorian-004 | High | Resolved | Concurrency & thread safety | `src/Core/ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian/SqliteStoreAndForwardSink.cs:90,112,176,259` |
| Core.AlarmHistorian-006 | High | Resolved | Error handling & resilience | `src/Core/ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian/SqliteStoreAndForwardSink.cs:103,135-216` |
| Core.ScriptedAlarms-001 | High | Resolved | Concurrency & thread safety | `ScriptedAlarmEngine.cs:175`, `ScriptedAlarmEngine.cs:178`, `ScriptedAlarmEngine.cs:73`, `ScriptedAlarmEngine.cs:368` |
| Core.Scripting-002 | High | Resolved | Security | `ForbiddenTypeAnalyzer.cs:70` |
| Core.VirtualTags-001 | High | Resolved | Correctness & logic bugs | `src/Core/ZB.MOM.WW.OtOpcUa.Core.VirtualTags/VirtualTagEngine.cs:306` |
| Driver.AbCip-001 | High | Resolved | Correctness & logic bugs | `AbCipDriver.cs:111`, `AbCipDriver.cs:163-167` |
| Driver.AbCip-002 | High | Resolved | Correctness & logic bugs | `AbCipStatusMapper.cs:65-78` |
| Driver.AbCip-003 | High | Resolved | Correctness & logic bugs | `AbCipUdtMemberLayout.cs:32-54`, `AbCipDriver.cs:426-430`, `AbCipUdtReadPlanner.cs:48` |
| Driver.AbCip-008 | High | Resolved | Concurrency & thread safety | `AbCipDriver.cs:144-152`, `AbCipDriver.cs:169-183`, `AbCipDriver.cs:235-281` |
| Driver.AbLegacy-001 | High | Resolved | Correctness & logic bugs | `AbLegacyAddress.cs:54`, `AbLegacyDriver.cs:368-374` |
| Driver.AbLegacy-006 | High | Resolved | Concurrency & thread safety | `AbLegacyDriver.cs:107-158`, `AbLegacyDriver.cs:162-234`, `LibplctagLegacyTagRuntime.cs` |
| Driver.Cli.Common-001 | High | Resolved | Correctness & logic bugs | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Cli.Common/SnapshotFormatter.cs:106-119` |
| Driver.FOCAS-001 | High | Resolved | Correctness & logic bugs | `FocasDriverFactoryExtensions.cs:54-86`, `FocasDriverFactoryExtensions.cs:132-140` |
| Driver.FOCAS-002 | High | Resolved | Correctness & logic bugs | `WireFocasClient.cs:164-179`, `FocasDriver.cs:513`, `FocasDriver.cs:593` |
| Driver.Galaxy-002 | High | Resolved | Correctness & logic bugs | `Browse/DataTypeMap.cs:13`, `Runtime/MxValueDecoder.cs:9` |
| Driver.Galaxy-008 | High | Resolved | Error handling & resilience | `GalaxyDriver.cs:264-276`, `Runtime/EventPump.cs:97-103` |
| Driver.Historian.Wonderware-001 | High | Resolved | Correctness and logic bugs | `Backend/SdkAlarmHistorianWriteBackend.cs:68`, `Backend/AahClientManagedAlarmEventWriter.cs:82-103` |
| Driver.Historian.Wonderware.Client-001 | High | Resolved | Correctness & logic bugs | `WonderwareHistorianClient.cs:98-113` |
| Driver.Modbus-001 | High | Resolved | Concurrency & thread safety | `ModbusDriver.cs:92,99-122` |
| Driver.Modbus.Addressing-001 | High | Resolved | Correctness & logic bugs | `ModbusAddressParser.cs:230-235`, `DirectLogicAddress.cs:66-73` |
| Driver.OpcUaClient-001 | High | Resolved | Correctness & logic bugs | `OpcUaClientDriver.cs:444`, `:466`, `:517`, `:540`, `:599`, `:610` |
| Driver.OpcUaClient-002 | High | Resolved | Error handling & resilience | `OpcUaClientDriver.cs:1330-1359` |
| Driver.OpcUaClient-003 | High | Resolved | Correctness & logic bugs | `OpcUaClientDriver.cs:644-711` |
| Driver.OpcUaClient-004 | High | Resolved | Design-document adherence | `OpcUaClientDriver.cs:596-632`, `:789`, `OpcUaClientDriverOptions.cs` |
| Driver.OpcUaClient-005 | High | Resolved | Concurrency & thread safety | `OpcUaClientDriver.cs:1297-1319` |
| Driver.S7-001 | High | Resolved | Correctness & logic bugs | `S7AddressParser.cs:93`, `S7Driver.cs:231` |
| Driver.S7-006 | High | Resolved | Concurrency & thread safety | `S7Driver.cs:140`, `S7Driver.cs:457`, `S7Driver.cs:506` |
| Driver.S7-007 | High | Resolved | Error handling & resilience | `S7Driver.cs:200`, `S7DriverOptions.cs:13`, `docs/v2/driver-specs.md:434` |
| Driver.S7-011 | High | Resolved | Design-document adherence | `S7Driver.cs:82`, `S7Driver.cs:134`, `IDriver.cs:24` |
| Driver.TwinCAT-001 | High | Resolved | Correctness & logic bugs | `TwinCATDriver.cs:41-78` |
| Driver.TwinCAT-002 | High | Resolved | Correctness & logic bugs | `TwinCATDataType.cs:34-48`, `AdsTwinCATClient.cs:264-281` |
| Driver.TwinCAT-007 | High | Resolved | Concurrency & thread safety | `TwinCATDriver.cs:413-429` |
| Driver.TwinCAT-008 | High | Resolved | Concurrency & thread safety | `AdsTwinCATClient.cs:162-169`, `TwinCATDriver.cs:319-324` |
| Driver.TwinCAT-013 | High | Resolved | Design-document adherence | `TwinCATDriver.cs:11-12` (capability list), whole file |
| Server-002 | High | Resolved | Correctness & logic bugs | `src/Server/ZB.MOM.WW.OtOpcUa.Server/Security/AuthorizationGate.cs:60-63` |
| Server-009 | High | Resolved | Security | `src/Server/ZB.MOM.WW.OtOpcUa.Server/Security/LdapOptions.cs:44`, `src/Server/ZB.MOM.WW.OtOpcUa.Server/Program.cs:74` |
| Admin-006 | Medium | Resolved | Security | `Components/Layout/MainLayout.razor:47-49`, `Program.cs:129,131-135` |
| Admin-007 | Medium | Resolved | Design-document adherence | `Components/Pages/Clusters/NewCluster.razor:91,95-96` |
| Admin-008 | Medium | Resolved | Error handling & resilience | `Services/ReservationService.cs:28-37` |
| Admin-009 | Medium | Resolved | Testing coverage | `src/Server/ZB.MOM.WW.OtOpcUa.Admin` (whole module) |
| Analyzers-001 | Medium | Resolved | Correctness & logic bugs | `src/Tooling/ZB.MOM.WW.OtOpcUa.Analyzers/UnwrappedCapabilityCallAnalyzer.cs:135-139` |
| Analyzers-006 | Medium | Resolved | Testing coverage | `tests/Tooling/ZB.MOM.WW.OtOpcUa.Analyzers.Tests/UnwrappedCapabilityCallAnalyzerTests.cs` |
| Client.CLI-001 | Medium | Resolved | Correctness & logic bugs | `Commands/HistoryReadCommand.cs:73`, `Commands/HistoryReadCommand.cs:76` |
| Client.CLI-005 | Medium | Resolved | Concurrency & thread safety | `Commands/SubscribeCommand.cs:66-78`, `Commands/AlarmsCommand.cs:52-64` |
| Client.Shared-001 | Medium | Resolved | Correctness & logic bugs | `OpcUaClientService.cs:552` |
| Client.Shared-002 | Medium | Resolved | Correctness & logic bugs | `OpcUaClientService.cs:351-355`, `OpcUaClientService.cs:373` |
| Client.Shared-007 | Medium | Resolved | Concurrency & thread safety | `OpcUaClientService.cs:581-622` |
| Client.Shared-008 | Medium | Resolved | Error handling & resilience | `OpcUaClientService.cs:170-180`, `Helpers/ValueConverter.cs:15-31` |
| Client.UI-001 | Medium | Resolved | Correctness & logic bugs | `ViewModels/HistoryViewModel.cs:76`, `ViewModels/HistoryViewModel.cs:77` |
| Client.UI-002 | Medium | Resolved | Correctness & logic bugs | `ViewModels/MainWindowViewModel.cs:255`, `ViewModels/MainWindowViewModel.cs:333` |
| Client.UI-005 | Medium | Resolved | Concurrency & thread safety | `ViewModels/MainWindowViewModel.cs:286-304`, `ViewModels/MainWindowViewModel.cs:155-189` |
| Client.UI-007 | Medium | Resolved | Security | `Services/UserSettings.cs:22-23`, `Services/JsonSettingsService.cs:38-50`, `ViewModels/MainWindowViewModel.cs:393-408` |
| Client.UI-008 | Medium | Resolved | Performance & resource management | `ViewModels/MainWindowViewModel.cs:18`, `ViewModels/MainWindowViewModel.cs:125-148`, `App.axaml.cs:18-32` |
| Configuration-002 | Medium | Resolved | Correctness & logic bugs | `src/Core/ZB.MOM.WW.OtOpcUa.Configuration/Migrations/20260417215224_StoredProcedures.cs:325` |
| Configuration-003 | Medium | Resolved | Correctness & logic bugs | `src/Core/ZB.MOM.WW.OtOpcUa.Configuration/Validation/DraftValidator.cs:73` |
| Configuration-006 | Medium | Resolved | Error handling & resilience | `src/Core/ZB.MOM.WW.OtOpcUa.Configuration/LocalCache/ResilientConfigReader.cs:79` |
| Configuration-009 | Medium | Resolved | Security | `src/Core/ZB.MOM.WW.OtOpcUa.Configuration/DesignTimeDbContextFactory.cs:14` |
| Core-003 | Medium | Resolved | Correctness & logic bugs | `src/Core/ZB.MOM.WW.OtOpcUa.Core/Authorization/PermissionTrie.cs:80-98` |
| Core-005 | Medium | Resolved | Concurrency & thread safety | `src/Core/ZB.MOM.WW.OtOpcUa.Core/Authorization/PermissionTrieCache.cs:59-70` |
| Core-006 | Medium | Resolved | Concurrency & thread safety | `src/Core/ZB.MOM.WW.OtOpcUa.Core/OpcUa/GenericDriverNodeManager.cs:42-64` |
| Core-007 | Medium | Resolved | Error handling & resilience | `src/Core/ZB.MOM.WW.OtOpcUa.Core/Resilience/AlarmSurfaceInvoker.cs:75-83` |
| Core.Abstractions-001 | Medium | Resolved | Correctness & logic bugs | `src/Core/ZB.MOM.WW.OtOpcUa.Core.Abstractions/PollGroupEngine.cs:112` |
| Core.Abstractions-002 | Medium | Resolved | Correctness & logic bugs | `src/Core/ZB.MOM.WW.OtOpcUa.Core.Abstractions/PollGroupEngine.cs:105-109` |
| Core.Abstractions-003 | Medium | Resolved | Concurrency & thread safety | `src/Core/ZB.MOM.WW.OtOpcUa.Core.Abstractions/PollGroupEngine.cs:64,121-130` |
| Core.AlarmHistorian-003 | Medium | Resolved | OtOpcUa conventions | `src/Core/ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian/SqliteStoreAndForwardSink.cs:107-127,218-243,246-253` |
| Core.AlarmHistorian-005 | Medium | Resolved | Concurrency & thread safety | `src/Core/ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian/SqliteStoreAndForwardSink.cs:66-71,141-143,199,386-388` |
| Core.AlarmHistorian-007 | Medium | Resolved | Error handling & resilience | `src/Core/ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian/SqliteStoreAndForwardSink.cs:172-174` |
| Core.AlarmHistorian-009 | Medium | Resolved | Design-document adherence | `src/Core/ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian/SqliteStoreAndForwardSink.cs:317-347` |
| Core.AlarmHistorian-010 | Medium | Resolved | Testing coverage | `tests/Core/ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian.Tests/SqliteStoreAndForwardSinkTests.cs` |
| Core.ScriptedAlarms-002 | Medium | Resolved | Correctness & logic bugs | `ScriptedAlarmEngine.cs:162`, `ScriptedAlarmEngine.cs:90` |
| Core.ScriptedAlarms-004 | Medium | Resolved | Concurrency & thread safety | `ScriptedAlarmEngine.cs:138-143`, `ScriptedAlarmEngine.cs:227-234` |
| Core.ScriptedAlarms-005 | Medium | Resolved | Concurrency & thread safety | `ScriptedAlarmEngine.cs:365-369`, `ScriptedAlarmEngine.cs:416-424` |
| Core.ScriptedAlarms-007 | Medium | Resolved | Error handling & resilience | `ScriptedAlarmEngine.cs:216`, `ScriptedAlarmEngine.cs:251`, `ScriptedAlarmEngine.cs:154`, `ScriptedAlarmEngine.cs:387` |
| Core.ScriptedAlarms-012 | Medium | Resolved | Testing coverage | `tests/Core/ZB.MOM.WW.OtOpcUa.Core.ScriptedAlarms.Tests/ScriptedAlarmEngineTests.cs` |
| Core.Scripting-003 | Medium | Resolved | Security | `TimedScriptEvaluator.cs:9`, `ScriptSandbox.cs:30` |
| Core.Scripting-004 | Medium | Resolved | Correctness & logic bugs | `DependencyExtractor.cs:73` |
| Core.Scripting-007 | Medium | Resolved | Error handling & resilience | `TimedScriptEvaluator.cs:60` |
| Core.Scripting-010 | Medium | Resolved | Testing coverage | `tests/Core/ZB.MOM.WW.OtOpcUa.Core.Scripting.Tests/ScriptSandboxTests.cs:54` |
| Core.VirtualTags-002 | Medium | Resolved | Correctness & logic bugs | `src/Core/ZB.MOM.WW.OtOpcUa.Core.VirtualTags/VirtualTagEngine.cs:237` |
| Core.VirtualTags-003 | Medium | Resolved | Correctness & logic bugs | `src/Core/ZB.MOM.WW.OtOpcUa.Core.VirtualTags/VirtualTagEngine.cs:117-120` |
| Core.VirtualTags-005 | Medium | Resolved | Concurrency & thread safety | `src/Core/ZB.MOM.WW.OtOpcUa.Core.VirtualTags/VirtualTagSource.cs:50-64` |
| Core.VirtualTags-008 | Medium | Resolved | Performance & resource management | `src/Core/ZB.MOM.WW.OtOpcUa.Core.VirtualTags/DependencyGraph.cs:81-115` |
| Core.VirtualTags-012 | Medium | Resolved | Testing coverage | `tests/Core/ZB.MOM.WW.OtOpcUa.Core.VirtualTags.Tests/` |
| Driver.AbCip-004 | Medium | Resolved | Correctness & logic bugs | `AbCipDataType.cs:51-58`, `LibplctagTagRuntime.cs:47-49,53` |
| Driver.AbCip-005 | Medium | Resolved | Correctness & logic bugs | `AbCipDriver.cs:124-141` |
| Driver.AbCip-006 | Medium | Resolved | OtOpcUa conventions | `PlcTagHandle.cs:28-59`, `AbCipDriver.cs:806-807,832-833`, `LibplctagTagRuntime.cs:117` |
| Driver.AbCip-009 | Medium | Resolved | Concurrency & thread safety | `AbCipDriver.cs:621-648`, `AbCipDriver.cs:591-614` |
| Driver.AbCip-010 | Medium | Resolved | Error handling & resilience | `AbCipDriver.cs:621-648`, `AbCipDriver.cs:346-391` |
| Driver.AbCip-014 | Medium | Resolved | Testing coverage | `tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.Tests/AbCipStatusMapperTests.cs:28-40` |
| Driver.AbCip.Cli-001 | Medium | Resolved | Error handling & resilience | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.AbCip.Cli/Commands/WriteCommand.cs:70-85` |
| Driver.AbCip.Cli-002 | Medium | Resolved | Correctness & logic bugs | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.AbCip.Cli/Commands/ProbeCommand.cs:21-23`; `Commands/ReadCommand.cs:24-25`; `Commands/SubscribeCommand.cs:20-22` |
| Driver.AbLegacy-002 | Medium | Resolved | Correctness & logic bugs | `AbLegacyDriver.cs:368` |
| Driver.AbLegacy-003 | Medium | Resolved | Correctness & logic bugs | `AbLegacyAddress.cs:62-95` |
| Driver.AbLegacy-004 | Medium | Resolved | Correctness & logic bugs | `LibplctagLegacyTagRuntime.cs:36-37` |
| Driver.AbLegacy-007 | Medium | Resolved | Concurrency & thread safety | `AbLegacyDriver.cs:411-438`, `AbLegacyDriver.cs:386-409` |
| Driver.AbLegacy-008 | Medium | Resolved | Concurrency & thread safety | `AbLegacyDriver.cs:21`, `AbLegacyDriver.cs:138-146`, `AbLegacyDriver.cs:216-229` |
| Driver.AbLegacy-009 | Medium | Resolved | Error handling & resilience | `AbLegacyDriver.cs:41-74` |
| Driver.AbLegacy-010 | Medium | Resolved | Error handling & resilience | `AbLegacyStatusMapper.cs:26-56` |
| Driver.AbLegacy-012 | Medium | Resolved | Design-document adherence | `PlcFamilies/AbLegacyPlcFamilyProfile.cs:7-54`, `AbLegacyDriver.cs:48-52` |
| Driver.AbLegacy.Cli-001 | Medium | Resolved | Error handling & resilience | `Commands/WriteCommand.cs:46`, `Commands/WriteCommand.cs:62-72` |
| Driver.Cli.Common-002 | Medium | Resolved | Correctness & logic bugs | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Cli.Common/SnapshotFormatter.cs:101-122` |
| Driver.Cli.Common-003 | Medium | Resolved | Concurrency & thread safety | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Cli.Common/DriverCommandBase.cs:51-59` |
| Driver.Cli.Common-005 | Medium | Resolved | Testing coverage | `tests/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Cli.Common.Tests/SnapshotFormatterTests.cs:27-37` |
| Driver.FOCAS-003 | Medium | Resolved | Correctness & logic bugs | `FocasDriver.cs:71-79` |
| Driver.FOCAS-004 | Medium | Resolved | OtOpcUa conventions | `FocasDriver.cs:374-379`, `WireFocasClient.cs:48-50` |
| Driver.FOCAS-005 | Medium | Resolved | Concurrency & thread safety | `FocasDriver.cs:28`, `FocasDriver.cs:206-215`, `FocasDriver.cs:261`, `FocasDriver.cs:274` |
| Driver.FOCAS-006 | Medium | Resolved | Error handling & resilience | `FocasDriver.cs:859-874`, `WireFocasClient.cs:22-31` |
| Driver.FOCAS-012 | Medium | Resolved | Testing coverage | `FocasDriverFactoryExtensions.cs`, `FocasDriver.cs:495-629` (`FixedTreeLoopAsync`) |
| Driver.Galaxy-003 | Medium | Resolved | Correctness & logic bugs | `Runtime/StatusCodeMap.cs:86` |
| Driver.Galaxy-004 | Medium | Resolved | Correctness & logic bugs | `GalaxyDriver.cs:901` |
| Driver.Galaxy-006 | Medium | Resolved | Concurrency & thread safety | `GalaxyDriver.cs:848-861` |
| Driver.Galaxy-007 | Medium | Resolved | Concurrency & thread safety | `GalaxyDriver.cs:937-968` |
| Driver.Galaxy-009 | Medium | Resolved | Error handling & resilience | `GalaxyDriver.cs:354-371` |
| Driver.Galaxy-011 | Medium | Resolved | Performance & resource management | `GalaxyDriver.cs:411` |
| Driver.Galaxy-014 | Medium | Resolved | Testing coverage | `src/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Galaxy` (module-wide) |
| Driver.Historian.Wonderware-002 | Medium | Resolved | Correctness and logic bugs | `Ipc/HistorianFrameHandler.cs:162`, `:181` |
| Driver.Historian.Wonderware-003 | Medium | Resolved | Correctness and logic bugs | `Backend/HistorianDataSource.cs:320-323`, `:457-460` |
| Driver.Historian.Wonderware-006 | Medium | Resolved | Error handling and resilience | `Ipc/PipeServer.cs:120-128` |
| Driver.Historian.Wonderware-009 | Medium | Resolved | Performance and resource management | `Backend/HistorianDataSource.cs:382-395`, `Ipc/Contracts.cs:85-99` |
| Driver.Historian.Wonderware.Client-002 | Medium | Resolved | Correctness & logic bugs | `WonderwareHistorianClient.cs:154-199`, `IAlarmHistorianSink.cs:66-74` |
| Driver.Historian.Wonderware.Client-005 | Medium | Resolved | Error handling & resilience | `Ipc/FrameReader.cs:31-32` |
| Driver.Historian.Wonderware.Client-007 | Medium | Resolved | Security | `WonderwareHistorianClient.cs:276` |
| Driver.Historian.Wonderware.Client-009 | Medium | Resolved | Testing coverage | `tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Wonderware.Client.Tests/WonderwareHistorianClientTests.cs` |
| Driver.Modbus-002 | Medium | Resolved | Correctness & logic bugs | `ModbusDriver.cs:127-186` |
| Driver.Modbus-004 | Medium | Resolved | Performance & resource management | `ModbusDriver.cs:1468-1473` |
| Driver.Modbus-005 | Medium | Resolved | Correctness & logic bugs | `ModbusDriver.cs:777-798,323-330` |
| Driver.Modbus-006 | Medium | Resolved | Error handling & resilience | `ModbusDriver.cs:514-524,532-550` |
| Driver.Modbus.Addressing-002 | Medium | Resolved | Correctness & logic bugs | `ModbusAddressParser.cs:86-94` |
| Driver.Modbus.Addressing-003 | Medium | Resolved | Correctness & logic bugs | `ModbusAddressParser.cs:405-406`, `ModbusAddressParser.cs:128` |
| Driver.Modbus.Addressing-004 | Medium | Resolved | Correctness & logic bugs | `ModbusAddressParser.cs:182-194` |
| Driver.Modbus.Addressing-005 | Medium | Resolved | Error handling & resilience | `ModbusAddressParser.cs:200-213` |
| Driver.Modbus.Addressing-008 | Medium | Resolved | Testing coverage | `tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.Addressing.Tests/` |
| Driver.Modbus.Cli-001 | Medium | Resolved | Correctness & logic bugs | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Modbus.Cli/Commands/SubscribeCommand.cs:43-51` |
| Driver.Modbus.Cli-002 | Medium | Resolved | Correctness & logic bugs | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Modbus.Cli/Commands/WriteCommand.cs:54-89` |
| Driver.OpcUaClient-006 | Medium | Resolved | Concurrency & thread safety | `OpcUaClientDriver.cs:1330-1359` |
| Driver.OpcUaClient-007 | Medium | Resolved | Concurrency & thread safety | `OpcUaClientDriver.cs:1374`, `:1376-1383`, `:508` |
| Driver.OpcUaClient-008 | Medium | Resolved | Error handling & resilience | `OpcUaClientDriver.cs:1092-1099` |
| Driver.OpcUaClient-009 | Medium | Resolved | Error handling & resilience | `OpcUaClientDriver.cs:560-564` |
| Driver.OpcUaClient-010 | Medium | Resolved | Correctness & logic bugs | `OpcUaClientDriver.cs:823-824` |
| Driver.OpcUaClient-012 | Medium | Resolved | Security | `OpcUaClientDriver.cs:210-217` |
| Driver.OpcUaClient-013 | Medium | Resolved | Performance & resource management | `OpcUaClientDriver.cs:436-437` |
| Driver.OpcUaClient-015 | Medium | Resolved | Testing coverage | `tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.Tests/*`, `tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.IntegrationTests/OpcUaClientSmokeTests.cs` |
| Driver.S7-002 | Medium | Resolved | Correctness & logic bugs | `S7Driver.cs:350` |
| Driver.S7-004 | Medium | Resolved | OtOpcUa conventions | `S7Driver.cs` (whole file) |
| Driver.S7-008 | Medium | Resolved | Error handling & resilience | `S7Driver.cs:286` |
| Driver.S7-012 | Medium | Resolved | Design-document adherence | `S7DriverOptions.cs:59`, `S7Driver.cs:457` |
| Driver.S7-014 | Medium | Resolved | Testing coverage | `tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.S7.Tests/` |
| Driver.S7.Cli-001 | Medium | Resolved | Error handling & resilience | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.S7.Cli/Commands/WriteCommand.cs:65-80` |
| Driver.S7.Cli-002 | Medium | Resolved | Design-document adherence | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.S7.Cli/Commands/ReadCommand.cs:22-29`, `Commands/WriteCommand.cs:21-33`, `Commands/SubscribeCommand.cs:18-21`; `docs/Driver.S7.Cli.md:70-73,80-81` |
| Driver.S7.Cli-003 | Medium | Resolved | Error handling & resilience | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.S7.Cli/Commands/ProbeCommand.cs:38-50` |
| Driver.TwinCAT-003 | Medium | Resolved | Correctness & logic bugs | `AdsTwinCATClient.cs:264-281`, `283-300` |
| Driver.TwinCAT-005 | Medium | Resolved | OtOpcUa conventions | `TwinCATDriver.cs` (whole file), `AdsTwinCATClient.cs` (whole file) |
| Driver.TwinCAT-009 | Medium | Resolved | Concurrency & thread safety | `TwinCATDriver.cs:80-99`, `41-72`, `366-388` |
| Driver.TwinCAT-010 | Medium | Resolved | Error handling & resilience | `AdsTwinCATClient.cs:178-195` |
| Driver.TwinCAT-011 | Medium | Resolved | Error handling & resilience | `TwinCATStatusMapper.cs:29-42` |
| Driver.TwinCAT-012 | Medium | Resolved | Performance & resource management | `TwinCATDriver.cs:102`, `AdsTwinCATClient.cs:178-195` |
| Server-003 | Medium | Resolved | Correctness & logic bugs | `src/Server/ZB.MOM.WW.OtOpcUa.Server/Phase7/RingBufferHistoryWriter.cs:96-119` |
| Server-005 | Medium | Resolved | Concurrency & thread safety | `src/Server/ZB.MOM.WW.OtOpcUa.Server/Alarms/AlarmConditionService.cs:166`, `src/Server/ZB.MOM.WW.OtOpcUa.Server/OpcUa/DriverNodeManager.cs:303-311` |
| Server-007 | Medium | Resolved | Error handling & resilience | `src/Server/ZB.MOM.WW.OtOpcUa.Server/OpcUa/OpcUaApplicationHost.cs:179-183` |
| Server-010 | Medium | Resolved | Security | `src/Server/ZB.MOM.WW.OtOpcUa.Server/OpcUa/OpcUaServerOptions.cs:59`, `src/Server/ZB.MOM.WW.OtOpcUa.Server/OpcUa/OpcUaApplicationHost.cs:284-291` |
| Server-011 | Medium | Resolved | Security | `src/Server/ZB.MOM.WW.OtOpcUa.Server/OpcUa/OpcUaApplicationHost.cs:322-346` |
| Server-013 | Medium | Resolved | Design-document adherence | `src/Server/ZB.MOM.WW.OtOpcUa.Server/OpcUa/OpcUaServerOptions.cs:9-19`, `src/Server/ZB.MOM.WW.OtOpcUa.Server/OpcUa/OpcUaApplicationHost.cs:296-346`, `src/Server/ZB.MOM.WW.OtOpcUa.Server/Program.cs:89` |
| Admin-010 | Low | Resolved | OtOpcUa conventions | `Components/App.razor:9,16` |
| Admin-011 | Low | Resolved | Concurrency & thread safety | `Hubs/FleetStatusPoller.cs:24-26,98-103` |
| Admin-012 | Low | Resolved | Design-document adherence | `Services/EquipmentCsvImporter.cs:18-19,33-37,229,232` |
| Analyzers-002 | Low | Resolved | Correctness & logic bugs | `src/Tooling/ZB.MOM.WW.OtOpcUa.Analyzers/UnwrappedCapabilityCallAnalyzer.cs:46-50,130` |
| Analyzers-003 | Low | Resolved | Error handling & resilience | `src/Tooling/ZB.MOM.WW.OtOpcUa.Analyzers/UnwrappedCapabilityCallAnalyzer.cs:80,114-116` |
| Analyzers-004 | Low | Resolved | Performance & resource management | `src/Tooling/ZB.MOM.WW.OtOpcUa.Analyzers/UnwrappedCapabilityCallAnalyzer.cs:95-112` |
| Analyzers-005 | Low | Resolved | Design-document adherence | `src/Tooling/ZB.MOM.WW.OtOpcUa.Analyzers/UnwrappedCapabilityCallAnalyzer.cs:33-43` |
| Analyzers-007 | Low | Resolved | Documentation & comments | `src/Tooling/ZB.MOM.WW.OtOpcUa.Analyzers/UnwrappedCapabilityCallAnalyzer.cs:21-26` |
| Client.CLI-002 | Low | Resolved | Correctness & logic bugs | `Commands/SubscribeCommand.cs:129-137` |
| Client.CLI-003 | Low | Resolved | Correctness & logic bugs | `Commands/BrowseCommand.cs:29-30`, `Commands/SubscribeCommand.cs:20-27`, `Commands/AlarmsCommand.cs:28-29`, `Commands/HistoryReadCommand.cs:42-43` |
| Client.CLI-004 | Low | Resolved | OtOpcUa conventions | `Commands/SubscribeCommand.cs:13-37` |
| Client.CLI-006 | Low | Resolved | Error handling & resilience | `Commands/HistoryReadCommand.cs:73`, `Commands/HistoryReadCommand.cs:76`, `Helpers/NodeIdParser.cs:39` |
| Client.CLI-007 | Low | Resolved | Performance & resource management | `CommandBase.cs:112-123` |
| Client.CLI-008 | Low | Resolved | Documentation & comments | `docs/Client.CLI.md:158-217` |
| Client.CLI-009 | Low | Resolved | Code organization & conventions | `Commands/SubscribeCommand.cs:66-165`, `Commands/AlarmsCommand.cs:52-91` |
| Client.CLI-010 | Low | Resolved | Testing coverage | `tests/Client/ZB.MOM.WW.OtOpcUa.Client.CLI.Tests/SubscribeCommandTests.cs` |
| Client.Shared-003 | Low | Resolved | Correctness & logic bugs | `Adapters/DefaultSessionAdapter.cs:76`, `Adapters/DefaultSessionAdapter.cs:273` |
| Client.Shared-004 | Low | Resolved | OtOpcUa conventions | `Adapters/DefaultSessionAdapter.cs:228`, `Adapters/DefaultSessionAdapter.cs:121`, `Adapters/DefaultSessionAdapter.cs:172` |
| Client.Shared-009 | Low | Resolved | Error handling & resilience / Documentation & comments | `OpcUaClientService.cs:302-322` |
| Client.Shared-010 | Low | Resolved | Performance & resource management | `Models/ConnectionSettings.cs:48`, `OpcUaClientService.cs:408-417` |
| Client.Shared-011 | Low | Resolved | Testing coverage | `tests/Client/ZB.MOM.WW.OtOpcUa.Client.Shared.Tests/OpcUaClientServiceTests.cs` |
| Client.UI-003 | Low | Resolved | OtOpcUa conventions | `ZB.MOM.WW.OtOpcUa.Client.UI.csproj:20-21`, `Program.cs:14-20` |
| Client.UI-004 | Low | Resolved | OtOpcUa conventions | `Views/MainWindow.axaml.cs:125-138` |
| Client.UI-006 | Low | Resolved | Error handling & resilience | `ViewModels/MainWindowViewModel.cs:244-252`, `ViewModels/AlarmsViewModel.cs:88-112`, `ViewModels/SubscriptionsViewModel.cs:79-94` |
| Client.UI-009 | Low | Resolved | Design-document adherence | `ViewModels/HistoryViewModel.cs:44-54` |
| Client.UI-010 | Low | Resolved | Code organization & conventions | `Controls/DateTimeRangePicker.axaml.cs:33-37`, `Controls/DateTimeRangePicker.axaml.cs:70-80` |
| Client.UI-011 | Low | Resolved | Documentation & comments | `Views/MainWindow.axaml:81`, `Services/JsonSettingsService.cs:11-15` |
| Configuration-004 | Low | Resolved | OtOpcUa conventions | `src/Core/ZB.MOM.WW.OtOpcUa.Configuration/Enums/NodePermissions.cs:8`, `src/Core/ZB.MOM.WW.OtOpcUa.Configuration/OtOpcUaConfigDbContext.cs:417` |
| Configuration-005 | Low | Resolved | Concurrency & thread safety | `src/Core/ZB.MOM.WW.OtOpcUa.Configuration/LocalCache/LiteDbConfigCache.cs:50` |
| Configuration-007 | Low | Resolved | Error handling & resilience | `src/Core/ZB.MOM.WW.OtOpcUa.Configuration/Apply/GenerationApplier.cs:44` |
| Configuration-010 | Low | Resolved | Security | `src/Core/ZB.MOM.WW.OtOpcUa.Configuration/LocalCache/ResilientConfigReader.cs:81` |
| Configuration-011 | Low | Resolved | Testing coverage | `src/Core/ZB.MOM.WW.OtOpcUa.Configuration/Apply/GenerationApplier.cs:7`, `src/Core/ZB.MOM.WW.OtOpcUa.Configuration/Validation/DraftValidator.cs:60` |
| Core-004 | Low | Resolved | OtOpcUa conventions | `src/Core/ZB.MOM.WW.OtOpcUa.Core/Hosting/DriverHost.cs:55,72,87` |
| Core-008 | Low | Resolved | Error handling & resilience | `src/Core/ZB.MOM.WW.OtOpcUa.Core/OpcUa/GenericDriverNodeManager.cs:42-64` |
| Core-009 | Low | Resolved | Performance & resource management | `src/Core/ZB.MOM.WW.OtOpcUa.Core/Resilience/CapabilityInvoker.cs:121-128` |
| Core-010 | Low | Resolved | Code organization & conventions | `src/Core/ZB.MOM.WW.OtOpcUa.Core/Resilience/DriverResilienceOptions.cs:45-52` |
| Core-011 | Low | Resolved | Testing coverage | `src/Core/ZB.MOM.WW.OtOpcUa.Core/Authorization/PermissionTrieBuilder.cs:58-75` |
| Core-012 | Low | Resolved | Documentation & comments | `src/Core/ZB.MOM.WW.OtOpcUa.Core/Stability/WedgeDetector.cs:26`, `src/Core/ZB.MOM.WW.OtOpcUa.Core/Observability/DriverHealthReport.cs:11-22` |
| Core.Abstractions-004 | Low | Resolved | Concurrency & thread safety | `src/Core/ZB.MOM.WW.OtOpcUa.Core.Abstractions/DriverTypeRegistry.cs:23-40` |
| Core.Abstractions-005 | Low | Resolved | Error handling & resilience | `src/Core/ZB.MOM.WW.OtOpcUa.Core.Abstractions/PollGroupEngine.cs:90,99` |
| Core.Abstractions-006 | Low | Resolved | Code organization & conventions | `src/Core/ZB.MOM.WW.OtOpcUa.Core.Abstractions/IHistoryProvider.cs:63,84-86`, `src/Core/ZB.MOM.WW.OtOpcUa.Core.Abstractions/Historian/IHistorianDataSource.cs:30,63` |
| Core.Abstractions-007 | Low | Resolved | Testing coverage | `tests/Core/ZB.MOM.WW.OtOpcUa.Core.Abstractions.Tests/PollGroupEngineTests.cs` |
| Core.Abstractions-008 | Low | Resolved | Documentation & comments | `src/Core/ZB.MOM.WW.OtOpcUa.Core.Abstractions/DriverHealth.cs:9`, `src/Core/ZB.MOM.WW.OtOpcUa.Core.Abstractions/IHistoryProvider.cs:39-43,65-69` |
| Core.AlarmHistorian-008 | Low | Resolved | Performance & resource management | `src/Core/ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian/SqliteStoreAndForwardSink.cs:107-127,255-278` |
| Core.AlarmHistorian-011 | Low | Resolved | Documentation & comments | `src/Core/ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian/IAlarmHistorianSink.cs:5-9,76`, `AlarmHistorianEvent.cs:20` |
| Core.ScriptedAlarms-003 | Low | Resolved | Documentation & comments | `ScriptedAlarmEngine.cs:343`, `docs/ScriptedAlarms.md:107` |
| Core.ScriptedAlarms-006 | Low | Resolved | Concurrency & thread safety | `ScriptedAlarmEngine.cs:232`, `ScriptedAlarmEngine.cs:369` |
| Core.ScriptedAlarms-008 | Low | Resolved | Performance & resource management | `Part9StateMachine.cs:261-268` |
| Core.ScriptedAlarms-009 | Low | Resolved | Performance & resource management | `ScriptedAlarmEngine.cs:309-315`, `ScriptedAlarmEngine.cs:271` |
| Core.ScriptedAlarms-010 | Low | Resolved | Design-document adherence | `ScriptedAlarmEngine.cs:325-336`, `AlarmPredicateContext.cs:33-40`, `MessageTemplate.cs:47` |
| Core.ScriptedAlarms-011 | Low | Resolved | Code organization & conventions | `Part9StateMachine.cs:275` |
| Core.Scripting-005 | Low | Resolved | Correctness & logic bugs | `DependencyExtractor.cs:97` |
| Core.Scripting-006 | Low | Resolved | Concurrency & thread safety | `CompiledScriptCache.cs:55` |
| Core.Scripting-008 | Low | Resolved | Performance & resource management | `CompiledScriptCache.cs:34`, `ScriptEvaluator.cs:34` |
| Core.Scripting-009 | Low | Resolved | Design-document adherence | `ForbiddenTypeAnalyzer.cs:45` |
| Core.Scripting-011 | Low | Resolved | Testing coverage | `tests/Core/ZB.MOM.WW.OtOpcUa.Core.Scripting.Tests/` |
| Core.VirtualTags-004 | Low | Resolved | Correctness & logic bugs | `src/Core/ZB.MOM.WW.OtOpcUa.Core.VirtualTags/VirtualTagEngine.cs:349` |
| Core.VirtualTags-006 | Low | Resolved | Concurrency & thread safety | `src/Core/ZB.MOM.WW.OtOpcUa.Core.VirtualTags/VirtualTagEngine.cs:177-182`, `:395-401` |
| Core.VirtualTags-007 | Low | Resolved | Error handling & resilience | `src/Core/ZB.MOM.WW.OtOpcUa.Core.VirtualTags/TimerTriggerScheduler.cs:58` |
| Core.VirtualTags-009 | Low | Resolved | Performance & resource management | `src/Core/ZB.MOM.WW.OtOpcUa.Core.VirtualTags/DependencyGraph.cs:64-65`, `:72-73` |
| Core.VirtualTags-010 | Low | Resolved | Documentation & comments | `src/Core/ZB.MOM.WW.OtOpcUa.Core.VirtualTags/ITagUpstreamSource.cs:18`, `VirtualTagContext.cs:30`, `VirtualTagDefinition.cs:28` |
| Core.VirtualTags-011 | Low | Resolved | Code organization & conventions | `src/Core/ZB.MOM.WW.OtOpcUa.Core.VirtualTags/VirtualTagEngine.cs:404-409` |
| Core.VirtualTags-013 | Low | Resolved | Documentation & comments | `src/Core/ZB.MOM.WW.OtOpcUa.Core.VirtualTags/DependencyGraph.cs:266-270` |
| Driver.AbCip-007 | Low | Resolved | OtOpcUa conventions | `AbCipDriver.cs` (whole file), `AbCipAlarmProjection.cs`, `LibplctagTagRuntime.cs` |
| Driver.AbCip-011 | Low | Resolved | Error handling & resilience | `AbCipDriver.cs:144-152`, `AbCipDriverOptions.cs:131-143` |
| Driver.AbCip-012 | Low | Resolved | Performance & resource management | `LibplctagTemplateReader.cs:15-35`, `AbCipDriver.cs:88-92` |
| Driver.AbCip-013 | Low | Resolved | Design-document adherence | `AbCipDriverOptions.cs:70-73`, `PlcFamilies/AbCipPlcFamilyProfile.cs:13-19`, `LibplctagTagRuntime.cs:16-27` |
| Driver.AbCip-015 | Low | Resolved | Documentation & comments | `AbCipDriver.cs:9-11`, `PlcTagHandle.cs:23-27,53-58`, `AbCipTemplateCache.cs:12-15`, `IAbCipTagEnumerator.cs:6-11`, `AbCipDriverOptions.cs:21` |
| Driver.AbCip.Cli-003 | Low | Resolved | Concurrency & thread safety | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.AbCip.Cli/Commands/SubscribeCommand.cs:50-56,60-61` |
| Driver.AbCip.Cli-004 | Low | Resolved | Error handling & resilience | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.AbCip.Cli/Commands/SubscribeCommand.cs:28,58`; `AbCipCommandBase.cs:26-34` |
| Driver.AbCip.Cli-005 | Low | Resolved | Performance & resource management | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Cli.Common/DriverCommandBase.cs:51-59` |
| Driver.AbCip.Cli-006 | Low | Resolved | Design-document adherence | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.AbCip.Cli/AbCipCommandBase.cs:29-34` |
| Driver.AbCip.Cli-007 | Low | Resolved | Testing coverage | `tests/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.AbCip.Cli.Tests/WriteCommandParseValueTests.cs` |
| Driver.AbCip.Cli-008 | Low | Resolved | Documentation & comments | `docs/Driver.AbCip.Cli.md:8-9` |
| Driver.AbLegacy-005 | Low | Resolved | OtOpcUa conventions | `AbLegacyDriver.cs` (whole file) |
| Driver.AbLegacy-011 | Low | Resolved | Performance & resource management | `AbLegacyDriver.cs:440` |
| Driver.AbLegacy-013 | Low | Resolved | Code organization & conventions | `AbLegacyDriver.cs:340-345`, `AbLegacyDriver.cs:238-264` |
| Driver.AbLegacy.Cli-002 | Low | Resolved | Correctness & logic bugs | `Commands/WriteCommand.cs:27-29`, `Program.cs:6-9` |
| Driver.AbLegacy.Cli-003 | Low | Resolved | Concurrency & thread safety | `Commands/SubscribeCommand.cs:47-53` |
| Driver.AbLegacy.Cli-004 | Low | Resolved | Error handling & resilience | `Commands/ProbeCommand.cs:37-56`, `Commands/ReadCommand.cs:39-50`, `Commands/WriteCommand.cs:48-59`, `Commands/SubscribeCommand.cs:41-76` |
| Driver.AbLegacy.Cli-005 | Low | Resolved | Design-document adherence | `Commands/SubscribeCommand.cs:23-25`, `docs/Driver.AbLegacy.Cli.md:94-96` |
| Driver.AbLegacy.Cli-006 | Low | Resolved | Code organization & conventions | `Commands/ProbeCommand.cs:20-22` |
| Driver.AbLegacy.Cli-007 | Low | Resolved | Testing coverage | `tests/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.Cli.Tests/WriteCommandParseValueTests.cs` |
| Driver.Cli.Common-004 | Low | Resolved | Error handling & resilience | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Cli.Common/SnapshotFormatter.cs:68-70` |
| Driver.Cli.Common-006 | Low | Resolved | Documentation & comments | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Cli.Common/SnapshotFormatter.cs:71`, `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Cli.Common/DriverCommandBase.cs:9` |
| Driver.FOCAS-007 | Low | Resolved | Error handling & resilience | `FocasDriver.cs:140-148`, `FocasDriver.cs:478-484`, `FocasDriver.cs:529-533`, `FocasAlarmProjection.cs:61-63` |
| Driver.FOCAS-008 | Low | Resolved | Performance & resource management | `FocasDriver.cs:201`, `FocasDriver.cs:253` |
| Driver.FOCAS-009 | Low | Resolved | Design-document adherence | `FocasDriverOptions.cs:110-115`, `FocasDriver.cs:468-486`, `FocasDriverFactoryExtensions.cs:75-80` |
| Driver.FOCAS-010 | Low | Resolved | Code organization & conventions | `IFocasClient.cs:210-227` (`FocasOpMode`), `FocasConstants.cs:42-78` (`FocasOperationMode`) |
| Driver.FOCAS-011 | Low | Resolved | Code organization & conventions | `IFocasClient.cs:275-287` (`FocasAlarmType`), `FocasAlarmProjection.cs:149-175` |
| Driver.FOCAS.Cli-001 | Low | Resolved | Error handling & resilience | `Commands/WriteCommand.cs:58-68` |
| Driver.FOCAS.Cli-002 | Low | Resolved | Concurrency & thread safety | `Commands/SubscribeCommand.cs:45-51` |
| Driver.FOCAS.Cli-003 | Low | Resolved | Error handling & resilience | `FocasCommandBase.cs:19` (`CncPort`), `FocasCommandBase.cs:27` (`TimeoutMs`), `Commands/SubscribeCommand.cs:23` (`IntervalMs`) |
| Driver.FOCAS.Cli-004 | Low | Resolved | Performance & resource management | `Commands/ProbeCommand.cs:37,54`; `Commands/ReadCommand.cs:37,46`; `Commands/WriteCommand.cs:45,54`; `Commands/SubscribeCommand.cs:39,73` |
| Driver.FOCAS.Cli-005 | Low | Resolved | Design-document adherence | `Commands/WriteCommand.cs:50`, `Commands/ProbeCommand.cs:50` (via `SnapshotFormatter.FormatStatus`) |
| Driver.Galaxy-005 | Low | Resolved | OtOpcUa conventions | `Runtime/EventPump.cs:81-88` |
| Driver.Galaxy-010 | Low | Resolved | Security | `GalaxyDriver.cs:311-341` |
| Driver.Galaxy-012 | Low | Resolved | Performance & resource management | `Runtime/SubscriptionRegistry.cs:65-67`, `GalaxyDriver.cs:538`, `GalaxyDriver.cs:675` |
| Driver.Galaxy-013 | Low | Resolved | Design-document adherence | `GalaxyDriver.cs:14-27`, `GalaxyDriver.cs:374-382`, `Config/GalaxyDriverOptions.cs:84-86` |
| Driver.Historian.Wonderware-004 | Low | Resolved | Correctness and logic bugs | `Backend/SdkAlarmHistorianWriteBackend.cs:198-201` |
| Driver.Historian.Wonderware-005 | Low | Resolved | Concurrency and thread safety | `Backend/HistorianDataSource.cs:124`, `:126-127` |
| Driver.Historian.Wonderware-007 | Low | Resolved | Error handling and resilience | `Ipc/PipeServer.cs:70-75` |
| Driver.Historian.Wonderware-008 | Low | Resolved | Error handling and resilience | `Backend/HistorianDataSource.cs:301-307`, `:374-380` |
| Driver.Historian.Wonderware-010 | Low | Resolved | Performance and resource management | `Backend/HistorianConfiguration.cs:32-36`, `Backend/HistorianDataSource.cs` (all read methods) |
| Driver.Historian.Wonderware-011 | Low | Resolved | Design-document adherence | `Backend/HistorianDataSource.cs:9-12`, `Backend/IHistorianDataSource.cs:9-11`, `Backend/HistorianSample.cs:7-9`, `Backend/HistorianConfiguration.cs:7-9` |
| Driver.Historian.Wonderware-012 | Low | Resolved | Testing coverage | `Backend/HistorianDataSource.cs`, `tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Wonderware.Tests/` |
| Driver.Historian.Wonderware.Client-003 | Low | Resolved | Concurrency & thread safety | `WonderwareHistorianClient.cs:207`, `WonderwareHistorianClient.cs:132-150` |
| Driver.Historian.Wonderware.Client-004 | Low | Resolved | Concurrency & thread safety | `WonderwareHistorianClient.cs:203-267` |
| Driver.Historian.Wonderware.Client-006 | Low | Resolved | Error handling & resilience | `Internal/PipeChannel.cs:96-107`, `WonderwareHistorianClientOptions.cs:11-12` |
| Driver.Historian.Wonderware.Client-008 | Low | Resolved | Security | `ZB.MOM.WW.OtOpcUa.Driver.Historian.Wonderware.Client.csproj:29-32` |
| Driver.Historian.Wonderware.Client-010 | Low | Resolved | Documentation & comments | `WonderwareHistorianClient.cs:355-361`, `WonderwareHistorianClient.cs:132-150` |
| Driver.Modbus-003 | Low | Resolved | Concurrency & thread safety | `ModbusDriver.cs:59,188,241,259,266,726,745,759` |
| Driver.Modbus-007 | Low | Resolved | Design-document adherence | `ModbusDriver.cs:1392`, `ModbusDriverOptions.cs:74-80` |
| Driver.Modbus-008 | Low | Resolved | Documentation & comments | `ModbusDriver.cs:411-417,700-703,737-744` |
| Driver.Modbus-009 | Low | Resolved | Correctness & logic bugs | `ModbusDriver.cs:1160-1167`, `ModbusTcpTransport.cs:94-95` |
| Driver.Modbus-010 | Low | Resolved | Error handling & resilience | `ModbusDriver.cs:864-868`, `ModbusDriverOptions.cs:116-125` |
| Driver.Modbus-011 | Low | Resolved | Code organization & conventions | `ModbusDriver.cs:23-43,89-97,408-432` |
| Driver.Modbus-012 | Low | Resolved | Testing coverage | `tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.Tests/` |
| Driver.Modbus.Addressing-006 | Low | Resolved | Error handling & resilience | `ModbusAddressParser.cs:297-301` |
| Driver.Modbus.Addressing-007 | Low | Resolved | Design-document adherence | `ModbusDataType.cs:91-95`, `docs/v2/dl205.md` section Strings |
| Driver.Modbus.Addressing-009 | Low | Resolved | Documentation & comments | `ModbusModiconAddress.cs:55-64`, `ModbusModiconAddress.cs:104-110` |
| Driver.Modbus.Cli-003 | Low | Resolved | Correctness & logic bugs | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Modbus.Cli/ModbusCommandBase.cs:14-24` |
| Driver.Modbus.Cli-004 | Low | Resolved | Concurrency & thread safety | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Modbus.Cli/Commands/SubscribeCommand.cs:61-67` |
| Driver.Modbus.Cli-005 | Low | Resolved | Error handling & resilience | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Modbus.Cli/Commands/ProbeCommand.cs:21-54`; `Commands/ReadCommand.cs:46-75`; `Commands/WriteCommand.cs:54-89` |
| Driver.Modbus.Cli-006 | Low | Resolved | Error handling & resilience | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Modbus.Cli/Commands/ProbeCommand.cs:35-53` |
| Driver.Modbus.Cli-007 | Low | Resolved | Design-document adherence | `docs/Driver.Modbus.Cli.md:124-156`; `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Modbus.Cli/Commands/ReadCommand.cs` |
| Driver.Modbus.Cli-008 | Low | Resolved | Testing coverage | `tests/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Modbus.Cli.Tests/` |
| Driver.OpcUaClient-011 | Low | Resolved | Documentation & comments | `OpcUaClientDriver.cs:1007-1015` |
| Driver.OpcUaClient-014 | Low | Resolved | Performance & resource management | `OpcUaClientDriver.cs:1138`, `:1314` |
| Driver.S7-003 | Low | Resolved | Correctness & logic bugs | `S7Driver.cs:172`, `S7Driver.cs:255` |
| Driver.S7-005 | Low | Resolved | OtOpcUa conventions | `S7Driver.cs:33`, `S7Driver.cs:433` |
| Driver.S7-009 | Low | Resolved | Error handling & resilience | `S7Driver.cs:392` |
| Driver.S7-010 | Low | Resolved | Performance & resource management | `S7Driver.cs:504` |
| Driver.S7-013 | Low | Resolved | Code organization & conventions | `S7DriverOptions.cs:90`, `S7Driver.cs:300` |
| Driver.S7.Cli-004 | Low | Resolved | Performance & resource management | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.S7.Cli/Commands/ProbeCommand.cs:36,53`, `Commands/ReadCommand.cs:45,54`, `Commands/WriteCommand.cs:51,60`, `Commands/SubscribeCommand.cs:39,73` |
| Driver.S7.Cli-005 | Low | Resolved | Code organization & conventions | `tests/ZB.MOM.WW.OtOpcUa.Driver.S7.Cli.Tests/` |
| Driver.S7.Cli-006 | Low | Resolved | Testing coverage | `tests/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.S7.Cli.Tests/WriteCommandParseValueTests.cs` |
| Driver.S7.Cli-007 | Low | Resolved | Documentation & comments | `src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.S7.Cli/Commands/SubscribeCommand.cs:45-51` |
| Driver.TwinCAT-004 | Low | Resolved | Correctness & logic bugs | `TwinCATDataType.cs:24-27` |
| Driver.TwinCAT-006 | Low | Resolved | OtOpcUa conventions | `TwinCATDriver.cs:406-411` |
| Driver.TwinCAT-014 | Low | Resolved | Design-document adherence | `TwinCATDriverOptions.cs:41-43`, `TwinCATDriverOptions.cs:57-62`, `AdsTwinCATClient.cs:145` |
| Driver.TwinCAT-015 | Low | Resolved | Code organization & conventions | `TwinCATDriver.cs:431-432` |
| Driver.TwinCAT-016 | Low | Resolved | Testing coverage | `tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.Tests/` |
| Driver.TwinCAT.Cli-001 | Low | Resolved | Correctness & logic bugs | `TwinCATCommandBase.cs:23-24`, `Commands/SubscribeCommand.cs:23-24`, `Commands/BrowseCommand.cs:21-24` |
| Driver.TwinCAT.Cli-002 | Low | Resolved | Concurrency & thread safety | `Commands/SubscribeCommand.cs:46-58` |
| Driver.TwinCAT.Cli-003 | Low | Resolved | Error handling & resilience | `Commands/SubscribeCommand.cs:56-58` |
| Driver.TwinCAT.Cli-004 | Low | Resolved | Design-document adherence | `TwinCATCommandBase.cs:26-29`, `Commands/BrowseCommand.cs` |
| Driver.TwinCAT.Cli-005 | Low | Resolved | Code organization & conventions | `Commands/ProbeCommand.cs:23`, `Commands/ReadCommand.cs:20`, `Commands/WriteCommand.cs:20`, `Commands/SubscribeCommand.cs:18` |
| Driver.TwinCAT.Cli-006 | Low | Resolved | Testing coverage | `tests/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.Cli.Tests/WriteCommandParseValueTests.cs` |
| Driver.TwinCAT.Cli-007 | Low | Resolved | Documentation & comments | `TwinCATCommandBase.cs:31-36` |
| Server-004 | Low | Resolved | OtOpcUa conventions | `src/Server/ZB.MOM.WW.OtOpcUa.Server/OpcUa/OtOpcUaServer.cs:187-200` |
| Server-006 | Low | Resolved | Concurrency & thread safety | `src/Server/ZB.MOM.WW.OtOpcUa.Server/OpcUa/DriverNodeManager.cs:478-482, 1342-1348` |
| Server-008 | Low | Resolved | Error handling & resilience | `src/Server/ZB.MOM.WW.OtOpcUa.Server/OpcUa/DriverNodeManager.cs:736` |
| Server-012 | Low | Resolved | Performance & resource management | `src/Server/ZB.MOM.WW.OtOpcUa.Server/Hosting/PeerHttpProbeLoop.cs:78-79` |
| Server-014 | Low | Resolved | Code organization & conventions | `src/Server/ZB.MOM.WW.OtOpcUa.Server/SealedBootstrap.cs` |
| Server-015 | Low | Resolved | Documentation & comments | `src/Server/ZB.MOM.WW.OtOpcUa.Server/OpcUa/OtOpcUaServer.cs:16-21`, `src/Server/ZB.MOM.WW.OtOpcUa.Server/OpcUa/OpcUaServerOptions.cs:21-26` |
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