fix(central-ui): Flow Debugger outcome refresh merges rows by EventId instead of replacing the graph
Found in a browser Live run on the rig: the run drew API, DB and Notify nodes from its inline rows; the 5 s pending-refresh re-read the tree through Replay before the site's cached-call telemetry (12 s) had reached central, swapped the graph wholesale, and the resolved DB node vanished (7 -> 6 steps) until a manual refresh. Polling had already stopped because nothing was Pending. MergeRefreshedGraph now unions the re-read rows into the run's known rows by EventId (fresh copy wins), stores the union back on _raw and rebuilds through FlowGraphBuilder, so a refresh only ever adds nodes. The union is exact: the inline rows are the same AuditEvent objects the site writer persists (FlowTraceCollector). Tests: new PendingRefresh_KeepsStepsTheLiveRunAlreadyHad_WhenReplayLagsBehindTelemetry (fails on the old code). Two existing fixtures were internally inconsistent and only passed under the old replace semantics: ParkedThenResolved built its Resolved outcome with the Parked raw rows, and OutboundOutcome minted fresh event/correlation ids per call, so no row could ever match across live and replay. Both now share rows per run. Claude-Session: https://claude.ai/code/session_01NcMG6xXdsJbmD2wYAgkK29
This commit is contained in:
Joseph Doherty
@@ -218,7 +218,7 @@ Per-leaf alarm rendering (leaf nodes are individual conditions for native alarms
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### Flow Debugger (Deployment Role)
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- **`/deployment/flow-debugger`** (nav: Deployment → Flow Debugger; design `docs/plans/2026-09-05-flow-debugger-design.md`, plan `docs/plans/2026-09-05-flow-debugger.md`). Runs one entry point with operator-supplied inputs and renders every step the run passes through as a **four-lane swimlane** (Central / Site / Tags / **External**) — request, route call, site script run, attribute writes, attribute waits, **outbound API / database / notification calls**, response — each node carrying its input, output, duration and outcome; a tabbed detail panel (Input · Output · Writes *or* Lifecycle · Timing, plus a *Where this ran* column) opens on the selected node with `Open in Debug View` (value-change entries, where the instance is known) and `Audit rows (n)` (→ `/audit/log?executionId=`) drill-ins.
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- **Two modes.** *Live* is a real run — the method script executes on the active central node with tracing on, or a real attribute write goes through the routed-write path and the site's triggered run is polled back — audited like any other call. *Replay* executes nothing: it rebuilds the flow from an existing execution's `ScriptTrace` audit rows plus its `ApiOutbound` / `DbOutbound` / `Notification` rows (`?executionId=` drill-in from the Audit Log drawer's and the Execution Chain page's **Open in Flow Debugger** actions).
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- **External lane (v1.1, plan `docs/plans/2026-09-06-flow-debugger-outbound-calls.md`).** Every `ExternalSystem.Call/CachedCall`, `Database.*` and `Notify.Send` a traced run makes is a node on the fourth lane — kinds `ApiCall` / `DbCall` / `Notify` (eyebrows `API CALL` / `DATABASE` / `NOTIFY`), title = the system.method / connection / list, a status pill (`Ok` / `Pending` / `Parked` / `Failed`) plus `sync` | `cached` | `notify`. **One node per operation:** a cached call's or notification's later lifecycle rows (Forwarded → Attempted → Delivered / Parked, written minutes later by the S&F forwarder or the Notification Outbox) fold into the node (`FlowStep.Lifecycle`, a Lifecycle tab in the detail panel with *Delivered by*) instead of drawing four boxes. A sync call sits in the execution chain; a cached call or notification hangs off it on a dashed **async** connector, and a trigger cascade's spawn edge carries a bolt marker. A Live run returns only the rows the run itself emitted, so a graph left with `Pending` nodes **refreshes itself** through the Replay command every 5 s for up to 2 min (page constants), and a *Refresh outcomes* button re-reads on demand in either mode; the state chip stays *Completed* — pending outbound work is not a failed run. **v1.2 (follow-ups plan `docs/plans/2026-09-06-flow-debugger-followups.md`, register row 111 closed):** a folded node carries its `CorrelationId` (`FlowStep.CorrelationId` — the `TrackedOperationId` / `NotificationId`), so the detail panel deep-links to **`/site-calls/report?correlationId=<id>`** / **`/notifications/report?correlationId=<id>`** (*Open in Site Calls* / *Open in Notification report*; both pages accept that query, pre-filter to the one row through an additive per-id query filter — `SiteCallQueryRequest.TrackedOperationIdFilter` / `NotificationOutboxQueryRequest.NotificationIdFilter` — show a removable *Operation* / *Notification* pill and auto-open the row's detail modal; note `NotificationId` is minted as a Guid in **`N` form** — no dashes — so the Notify link passes `N` and the report page normalises any Guid-shaped value to `N`, while `TrackedOperationId` is a `varchar(36)` `D` string and the Site Calls filter binds a `varchar` parameter for the PK seek), and a **`Parked` node offers Retry / Discard in place**: the same site-scope re-check, confirm dialog (Discard = danger) and central→site / Notification Outbox relay the report pages use (`IFlowDebugService.RetryOutboundAsync` / `DiscardOutboundAsync` → `CommunicationService`), then the page re-polls Replay (5 s / 2 min) until the node leaves `Parked`. **Prediction is async-safe:** `FlowDebugService.PredictMethodAsync` resolves route targets by a resolve-and-rewalk loop — its original blocking resolver deadlocked the whole Blazor circuit on the renderer sync context the moment a method routing to a site script was chosen (found 2026-09-06; pinned by a single-thread-pump unit test and the Playwright `FlowDebuggerTests`, which log in through the fixture and run a Live run of an ephemeral method in a real browser).
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- **External lane (v1.1, plan `docs/plans/2026-09-06-flow-debugger-outbound-calls.md`).** Every `ExternalSystem.Call/CachedCall`, `Database.*` and `Notify.Send` a traced run makes is a node on the fourth lane — kinds `ApiCall` / `DbCall` / `Notify` (eyebrows `API CALL` / `DATABASE` / `NOTIFY`), title = the system.method / connection / list, a status pill (`Ok` / `Pending` / `Parked` / `Failed`) plus `sync` | `cached` | `notify`. **One node per operation:** a cached call's or notification's later lifecycle rows (Forwarded → Attempted → Delivered / Parked, written minutes later by the S&F forwarder or the Notification Outbox) fold into the node (`FlowStep.Lifecycle`, a Lifecycle tab in the detail panel with *Delivered by*) instead of drawing four boxes. A sync call sits in the execution chain; a cached call or notification hangs off it on a dashed **async** connector, and a trigger cascade's spawn edge carries a bolt marker. A Live run returns only the rows the run itself emitted, so a graph left with `Pending` nodes **refreshes itself** through the Replay command every 5 s for up to 2 min (page constants), and a *Refresh outcomes* button re-reads on demand in either mode; the state chip stays *Completed* — pending outbound work is not a failed run. A refresh **merges** the re-read rows into the run's known rows by `EventId` (fresh copy wins) and rebuilds the graph from the union, so it only ever adds nodes: the site's outbound rows reach central's audit store by telemetry seconds after the run returned them inline, and a Replay read taken in between would otherwise erase an already-drawn node (observed on the rig 2026-09-06 with a resolved cached DB write). The union is exact because the inline rows are the very `AuditEvent` objects the site writer persists. **v1.2 (follow-ups plan `docs/plans/2026-09-06-flow-debugger-followups.md`, register row 111 closed):** a folded node carries its `CorrelationId` (`FlowStep.CorrelationId` — the `TrackedOperationId` / `NotificationId`), so the detail panel deep-links to **`/site-calls/report?correlationId=<id>`** / **`/notifications/report?correlationId=<id>`** (*Open in Site Calls* / *Open in Notification report*; both pages accept that query, pre-filter to the one row through an additive per-id query filter — `SiteCallQueryRequest.TrackedOperationIdFilter` / `NotificationOutboxQueryRequest.NotificationIdFilter` — show a removable *Operation* / *Notification* pill and auto-open the row's detail modal; note `NotificationId` is minted as a Guid in **`N` form** — no dashes — so the Notify link passes `N` and the report page normalises any Guid-shaped value to `N`, while `TrackedOperationId` is a `varchar(36)` `D` string and the Site Calls filter binds a `varchar` parameter for the PK seek), and a **`Parked` node offers Retry / Discard in place**: the same site-scope re-check, confirm dialog (Discard = danger) and central→site / Notification Outbox relay the report pages use (`IFlowDebugService.RetryOutboundAsync` / `DiscardOutboundAsync` → `CommunicationService`), then the page re-polls Replay (5 s / 2 min) until the node leaves `Parked`. **Prediction is async-safe:** `FlowDebugService.PredictMethodAsync` resolves route targets by a resolve-and-rewalk loop — its original blocking resolver deadlocked the whole Blazor circuit on the renderer sync context the moment a method routing to a site script was chosen (found 2026-09-06; pinned by a single-thread-pump unit test and the Playwright `FlowDebuggerTests`, which log in through the fixture and run a Live run of an ephemeral method in a real browser).
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- **Two entry points.** An inbound API method (inputs form generated from the method's `ParameterDefinitions`, values coerced by declared type) or a value-change trigger on a named instance attribute (Site → Instance → Attribute pickers, site-scope filtered).
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- **Predicted graph first.** Choosing an entry point renders the statically predicted shape (`FlowShapePredictor`, Script Analysis REQ-SA-7) before anything runs — nodes whose target depends on inputs render dashed; after a run, predicted nodes the run never produced render greyed.
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- **Execution path.** `IFlowDebugService` dispatches `FlowDebugRunMethodCommand` / `FlowDebugRunValueChangeCommand` / `FlowDebugReplayCommand` to the **per-node `ManagementActor`** through `ManagementActorHolder` (the same seam the HTTP `/management` endpoint uses), so the server enforces the Deployer gate and the active-node refusal. A standby node answers the two run commands with `STANDBY_NODE`, which the page renders as an inline alert with the server message verbatim; Replay is served from any node. The same three commands back the CLI's `flow-debug run-method | run-value-change | replay`.
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+23
-5
@@ -3,6 +3,7 @@ using System.Text.Json;
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using System.Text.Json.Nodes;
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using Microsoft.AspNetCore.Components;
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using Microsoft.JSInterop;
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using ZB.MOM.WW.Audit;
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using ZB.MOM.WW.ScadaBridge.CentralUI.Auth;
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using ZB.MOM.WW.ScadaBridge.CentralUI.Components.Shared;
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using ZB.MOM.WW.ScadaBridge.CentralUI.Services;
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@@ -510,19 +511,36 @@ public partial class FlowDebugger : ComponentBase, IDisposable
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}
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/// <summary>
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/// Replaces the graph with the re-read tree and keeps the selection by event id. The run's own
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/// <c>_raw</c> (timing, root) and the state chip are deliberately left alone: pending outbound
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/// work is not a failed run, and the run's Started/Total are the truthful numbers.
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/// Folds the re-read tree INTO the run's known events (union by event id, re-read rows win) and
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/// rebuilds the graph from the union, keeping the selection by event id. A refresh therefore only
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/// ever adds rows: a Live run carries its site rows inline, while the same rows reach central's
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/// audit store by telemetry seconds later — a Replay read taken in between lacks them, and
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/// replacing the graph wholesale made an already-drawn node (a resolved cached DB write, on the
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/// rig 2026-09-06) vanish until the next manual refresh. The run's own <c>_raw</c> timing, root
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/// and the state chip are deliberately left alone: pending outbound work is not a failed run, and
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/// the run's Started/Total are the truthful numbers.
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/// </summary>
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private void MergeRefreshedGraph(FlowDebugOutcome outcome)
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{
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if (!outcome.Success || outcome.Graph == null || _graph == null)
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if (!outcome.Success || outcome.Graph == null || _graph == null || _raw == null)
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return;
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var selectedId = _selected?.EventId;
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_graph = outcome.Graph;
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var merged = MergeEvents(_raw.Events, outcome.Raw?.Events);
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var truncated = _raw.Truncated || outcome.Raw?.Truncated == true;
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_raw = _raw with { Events = merged, Truncated = truncated };
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_graph = FlowGraphBuilder.Build(merged, truncated);
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_selected = selectedId is { } id ? _graph.Steps.FirstOrDefault(s => s.EventId == id) ?? _selected : _selected;
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}
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/// <summary>Union of two audit-row lists by <see cref="AuditEvent.EventId"/>; a row present in both takes the fresh copy.</summary>
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internal static IReadOnlyList<AuditEvent> MergeEvents(IReadOnlyList<AuditEvent>? known, IReadOnlyList<AuditEvent>? fresh)
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{
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var byId = new Dictionary<Guid, AuditEvent>();
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foreach (var e in known ?? []) byId[e.EventId] = e;
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foreach (var e in fresh ?? []) byId[e.EventId] = e;
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return byId.Values.ToList();
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}
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private void CancelPendingRefresh(bool keepWatch = false)
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{
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if (!keepWatch)
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@@ -252,7 +252,7 @@ public class FlowDebuggerPageTests : BunitContext
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occurredAtUtc: t0.AddSeconds(9), target: "Delmia.Ack", correlationId: corr, executionId: child, parentExecutionId: root,
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sourceSiteId: "site-a", sourceInstanceId: "Sim01"),
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};
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var resolved = new FlowDebugOutcome(FlowGraphBuilder.Build(later), raw, null, null);
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var resolved = new FlowDebugOutcome(FlowGraphBuilder.Build(later), raw with { Events = later }, null, null);
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return (parked, resolved, submit.EventId);
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}
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@@ -345,13 +345,35 @@ public class FlowDebuggerPageTests : BunitContext
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// ---- Outbound calls (2026-09-06 plan, Task 9): pending refresh after a Live run ----------
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/// <summary>Inbound → route → site run → cached API call; the call is Pending unless <paramref name="resolved"/>.</summary>
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/// <summary>
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/// Inbound → route → site run → cached API call; the call is Pending unless <paramref name="resolved"/>.
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/// Both outcomes of one <paramref name="root"/> share their rows (same event/correlation ids), as the
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/// real system does: the inline Live rows ARE the audit rows Replay later reads back.
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/// </summary>
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private static FlowDebugOutcome OutboundOutcome(Guid root, bool resolved)
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{
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var child = Guid.NewGuid();
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var corr = Guid.NewGuid();
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var t0 = DateTime.UtcNow.AddSeconds(-10);
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var events = new List<AuditEvent>
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var (events, child, corr, t0) = OutboundBase.GetOrAdd(root, r =>
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{
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var child = Guid.NewGuid();
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var corr = Guid.NewGuid();
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var t0 = DateTime.UtcNow.AddSeconds(-10);
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return (BuildOutboundBase(r, child, corr, t0), child, corr, t0);
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});
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events = new List<AuditEvent>(events);
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if (resolved)
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events.Add(ScadaBridgeAuditEventFactory.Create(AuditChannel.ApiOutbound, AuditKind.CachedResolve, AuditStatus.Delivered,
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occurredAtUtc: t0.AddSeconds(4), target: "Delmia.Ack", correlationId: corr, executionId: child, parentExecutionId: root,
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sourceSiteId: "site-a", sourceInstanceId: "Sim01"));
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var raw = new FlowDebugRunResult(root, true, null, null, events, false, t0, t0.AddSeconds(1));
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return new FlowDebugOutcome(FlowGraphBuilder.Build(events), raw, null, null);
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}
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private static readonly System.Collections.Concurrent.ConcurrentDictionary<Guid, (List<AuditEvent> Events, Guid Child, Guid Corr, DateTime T0)> OutboundBase = new();
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private static List<AuditEvent> BuildOutboundBase(Guid root, Guid child, Guid corr, DateTime t0)
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{
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return new List<AuditEvent>
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{
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ScadaBridgeAuditEventFactory.Create(AuditChannel.ApiInbound, AuditKind.InboundRequest, AuditStatus.Delivered,
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occurredAtUtc: t0, target: "POST /api/DelmiaRecipeDownload", executionId: root, durationMs: 100, responseSummary: "{}"),
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@@ -365,13 +387,6 @@ public class FlowDebuggerPageTests : BunitContext
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occurredAtUtc: t0.AddMilliseconds(3), target: "Delmia.Ack", correlationId: corr, executionId: child, parentExecutionId: root,
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sourceSiteId: "site-a", sourceInstanceId: "Sim01"),
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};
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if (resolved)
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events.Add(ScadaBridgeAuditEventFactory.Create(AuditChannel.ApiOutbound, AuditKind.CachedResolve, AuditStatus.Delivered,
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occurredAtUtc: t0.AddSeconds(4), target: "Delmia.Ack", correlationId: corr, executionId: child, parentExecutionId: root,
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sourceSiteId: "site-a", sourceInstanceId: "Sim01"));
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var raw = new FlowDebugRunResult(root, true, null, null, events, false, t0, t0.AddSeconds(1));
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return new FlowDebugOutcome(FlowGraphBuilder.Build(events), raw, null, null);
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}
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[Fact]
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@@ -396,6 +411,79 @@ public class FlowDebuggerPageTests : BunitContext
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Assert.NotNull(cut.Find("button[data-test='flow-refresh']"));
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}
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/// <summary>
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/// Live run whose inline site rows already resolved a cached DB write, with a notification still
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/// Pending; <paramref name="withDbRows"/>=false models the Replay read taken before that DB
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/// telemetry reached central (observed live on the rig 2026-09-06: cached-call telemetry landed
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/// 12 s after the run, the first poll at 5 s had none of it).
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/// </summary>
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private static FlowDebugOutcome DbAndNotifyOutcome(Guid root, Guid child, Guid dbCorr, Guid notifyCorr, DateTime t0, bool withDbRows, bool notifyDelivered)
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{
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var events = new List<AuditEvent>
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{
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ScadaBridgeAuditEventFactory.Create(AuditChannel.ApiInbound, AuditKind.InboundRequest, AuditStatus.Delivered,
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occurredAtUtc: t0, target: "POST /api/FlowOutboundDemo", executionId: root, durationMs: 100, responseSummary: "{}"),
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ScadaBridgeAuditEventFactory.Create(AuditChannel.ScriptTrace, AuditKind.RouteCall, AuditStatus.Delivered,
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occurredAtUtc: t0.AddMilliseconds(1), target: "Sim01.OutboundDemo", executionId: root, durationMs: 90,
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extra: new ScriptTraceExtra { ChildExecutionId = child }.ToJson()),
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ScadaBridgeAuditEventFactory.Create(AuditChannel.ScriptTrace, AuditKind.ScriptRun, AuditStatus.Delivered,
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occurredAtUtc: t0.AddMilliseconds(2), target: "OutboundDemo", executionId: child, parentExecutionId: root,
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sourceSiteId: "site-a", sourceInstanceId: "Sim01", durationMs: 80),
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ScadaBridgeAuditEventFactory.Create(AuditChannel.Notification, AuditKind.NotifySend, AuditStatus.Submitted,
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occurredAtUtc: t0.AddMilliseconds(10), target: "FlowDemo", correlationId: notifyCorr, executionId: child, parentExecutionId: root,
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sourceSiteId: "site-a", sourceInstanceId: "Sim01"),
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};
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if (withDbRows)
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{
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events.Add(ScadaBridgeAuditEventFactory.Create(AuditChannel.DbOutbound, AuditKind.CachedSubmit, AuditStatus.Submitted,
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occurredAtUtc: t0.AddMilliseconds(3), target: "RigDb", correlationId: dbCorr, executionId: child, parentExecutionId: root,
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sourceSiteId: "site-a", sourceInstanceId: "Sim01"));
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events.Add(ScadaBridgeAuditEventFactory.Create(AuditChannel.DbOutbound, AuditKind.CachedResolve, AuditStatus.Delivered,
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occurredAtUtc: t0.AddMilliseconds(5), target: "RigDb", correlationId: dbCorr, executionId: child, parentExecutionId: root,
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sourceSiteId: "site-a", sourceInstanceId: "Sim01"));
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}
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if (notifyDelivered)
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events.Add(ScadaBridgeAuditEventFactory.Create(AuditChannel.Notification, AuditKind.NotifyDeliver, AuditStatus.Delivered,
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occurredAtUtc: t0.AddSeconds(1), target: "FlowDemo", correlationId: notifyCorr, executionId: child, parentExecutionId: root,
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sourceSiteId: "site-a", sourceInstanceId: "Sim01"));
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var raw = new FlowDebugRunResult(root, true, null, null, events, false, t0, t0.AddSeconds(1));
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return new FlowDebugOutcome(FlowGraphBuilder.Build(events), raw, null, null);
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}
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[Fact]
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public void PendingRefresh_KeepsStepsTheLiveRunAlreadyHad_WhenReplayLagsBehindTelemetry()
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{
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RegisterServices();
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var root = Guid.NewGuid();
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var child = Guid.NewGuid();
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var dbCorr = Guid.NewGuid();
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var notifyCorr = Guid.NewGuid();
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var t0 = DateTime.UtcNow.AddSeconds(-10);
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var live = DbAndNotifyOutcome(root, child, dbCorr, notifyCorr, t0, withDbRows: true, notifyDelivered: false);
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var lagging = DbAndNotifyOutcome(root, child, dbCorr, notifyCorr, t0, withDbRows: false, notifyDelivered: true);
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// Sanity: the two graphs disagree exactly on the DB node.
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Assert.Contains(live.Graph!.Steps, s => s.Kind == FlowStepKind.DbCall);
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Assert.DoesNotContain(lagging.Graph!.Steps, s => s.Kind == FlowStepKind.DbCall);
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_flow.RunMethodAsync(4, Arg.Any<JsonElement?>(), Arg.Any<CancellationToken>()).Returns(live);
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_flow.ReplayAsync(root, Arg.Any<CancellationToken>()).Returns(lagging);
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var cut = Render<FlowDebuggerPage>();
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cut.Instance.Delay = (_, _) => Task.CompletedTask;
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cut.Find("select[data-test='flow-method-select']").Change("4");
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cut.WaitForElement("input[data-test='flow-input-MachineCode']");
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cut.Find("button[data-test='flow-run']").Click();
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// The poll resolves the notification (nothing Pending → polling stops) ...
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cut.WaitForAssertion(() => _flow.Received(1).ReplayAsync(root, Arg.Any<CancellationToken>()));
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cut.WaitForAssertion(() => Assert.Empty(cut.FindAll("[data-test='flow-pending-count']")));
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// ... but must NOT drop the DB node the live run already drew: a refresh only ever adds rows.
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Assert.NotEmpty(cut.FindAll("g[data-test='flow-node'][data-kind='DbCall']"));
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Assert.NotEmpty(cut.FindAll("g[data-test='flow-node'][data-kind='Notify']"));
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Assert.Contains(cut.FindAll("[data-test='flow-node-pill']"), p => p.TextContent.Trim() == "Ok");
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}
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[Fact]
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public void LiveRun_WithNoPendingStep_NeverPolls()
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{
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Reference in New Issue
Block a user