fix(dashboard): ShowTagValues now gates the alarms hub and /browse live values
This commit is contained in:
Joseph Doherty
@@ -25,7 +25,7 @@
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| TST-10 | Not started | **Confirmed open** | No `docs/Deployment.md` (`ls docs/` — no deploy doc); no deploy script under `scripts/` | Deploy knowledge still lives only in operator memory notes. |
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| TST-14 | Not started | **Confirmed open** | Repo root still holds `MxAccessGateway-docs-{issues,fixed,final}.md`, `MxGatewayClient-docs-{issues,fixed}.md`, `oldtasks.md`, `stillpending.md` (root `ls`) | `oldtasks.md` did gain a legitimate new role as the epic-governance record (TST-04), so "delete when epic closes" needs re-deciding; the five untracked `*-docs-*.md` files remain pure clutter. |
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| TST-15 | Not started (design done) | **Confirmed open** | `Server/Dashboard/Hubs/EventsHub.cs:42` — `TODO(per-session-acl)` still present | Design now exists: `docs/plans/2026-07-10-dashboard-session-acl-tst15.md`. Mitigation shipped meanwhile: SEC-25 value redaction in the hub mirror (see TST-27). |
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| TST-16 | Not started | **Partially resolved — see TST-27** | `Server/Dashboard/Hubs/DashboardEventBroadcaster.cs:16,29` — `ShowTagValues` now gates value redaction of the SignalR mirror (SEC-25) | The flag is no longer fully dead, but it still does not gate `/browse` live-value display, and the config doc still calls it "Reserved" — fresh drift (TST-27). |
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| TST-16 | Not started | **Partially resolved — see TST-27** | `Server/Dashboard/Hubs/DashboardEventBroadcaster.cs:16,29` — `ShowTagValues` now gates value redaction of the SignalR mirror (SEC-25) | The flag is no longer fully dead, but it still does not gate `/browse` live-value display, and the config doc still calls it "Reserved" — fresh drift (TST-27). **Closed 2026-08-17** (branch `feat/followup-closeout`): both residuals shipped — `AlarmsHubPublisher` redacts `current_value`/`limit_value` from a deep clone on both value-bearing `AlarmFeedMessage` arms before the `/hubs/alarms` broadcast, and `DashboardLiveDataService` substitutes `[redacted]` for `/browse` value text at the service boundary (the recommended seam), so the flag now gates every dashboard value surface. Source never mutated on either hub, so gRPC subscribers are unaffected. Tests: `AlarmsHubPublisherTests`, two `DashboardLiveDataServiceTests` cases. TST-16 → `Done` in [../remediation/00-tracking.md](../remediation/00-tracking.md#change-log). |
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| TST-17 | Not started | **Confirmed open** | `Worker/MxAccess/WnWrapAlarmConsumer.cs:~264-275` — `_ = ackOperatorDomain; _ = ackOperatorFullName;` then 6-arg call; no diagnostic surfaced in the ack reply | Silent drop unchanged (comment block explains the −55 stub, but callers still can't see the degrade). |
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| TST-18 | Not started | **Confirmed open** | No `*HostedService*` test files under `Tests/Gateway/Sessions/` or `Tests/Gateway/Workers/` | Sweep cores remain covered indirectly (`SessionManagerTests.cs:985,1015` now also cover faulted-reap). |
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| TST-19 | Not started | **Confirmed open** | `Tests/Gateway/Workers/Fakes/FakeWorkerHarness.cs` — no lockstep note / `WorkerPipeSession` pointer (grep empty); no README in `Fakes/` | Risk is higher now that the real-worker suite has no scheduled run (TST-25). |
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### TST-27 — `ShowTagValues` config doc still says "Reserved" after SEC-25 made the flag live — **Medium** · documentation currency
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- **Files:** `docs/GatewayConfiguration.md:185` ("Reserved display control for tag values"); `src/ZB.MOM.WW.MxGateway.Server/Dashboard/Hubs/DashboardEventBroadcaster.cs:16-29` (flag read and enforced); `docs/GatewayDashboardDesign.md:170` (current, documents the redaction)
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- **Description:** SEC-25 wired `Dashboard:ShowTagValues` into `DashboardEventBroadcaster`: when `false` (default), tag values are blanked from the deep-cloned event before it is mirrored to SignalR. The flag is therefore no longer dead — but the authoritative config reference still labels it "Reserved", so an operator consulting the options table concludes toggling it does nothing, when it actually controls whether tag values leak to every dashboard hub subscriber. This is remediation-created drift: the dashboard design doc was updated in the same change, the config doc was not. (Residual of TST-16 remains separately: the flag still gates nothing in the `/browse` live-value path.)
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- **Description:** SEC-25 wired `Dashboard:ShowTagValues` into `DashboardEventBroadcaster`: when `false` (default), tag values are blanked from the deep-cloned event before it is mirrored to SignalR. The flag is therefore no longer dead — but the authoritative config reference still labels it "Reserved", so an operator consulting the options table concludes toggling it does nothing, when it actually controls whether tag values leak to every dashboard hub subscriber. This is remediation-created drift: the dashboard design doc was updated in the same change, the config doc was not. (Residual of TST-16 remains separately: the flag still gates nothing in the `/browse` live-value path.) **Closed 2026-08-17** — the config row was rewritten again when TST-16's residuals shipped: it now states the three seams the flag covers (events-hub mirror, alarms hub, `/browse`), so neither the "Reserved" wording nor the `/browse` carve-out survives. See the TST-16 row above.
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- **Recommendation:** Update the `:185` row to describe the mirror-redaction behavior (and its security relevance given the missing per-session ACL, TST-15); note the `/browse` gap or close it when TST-16 is decided.
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### TST-28 — Gateway-side `max_frame_bytes` handshake field has no test in the portable suite — **Low** · test coverage
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