M2K: ARSAS-style native All-IED live grid with Quality/IED Time and canonical read state

apps/ied_simulator/qml/BrowserDataModelPane.qml

@@ -264,6 +264,9 @@ Rectangle {
                     model: [
                         {label: "Reference", value: root.currentNode.reference},
                         {label: "Value", value: root.currentNode.value},
+                        {label: "Read state", value: root.currentNode.kind === "DA"
+                             ? (root.currentNode.hasReceivedValue === true ? "Received" : "Not read")
+                             : ""},
                         {label: "Quality", value: root.currentNode.quality},
                         {label: "Timestamp", value: root.currentNode.timestamp},
                         {label: "Functional constraint", value: root.currentNode.functionalConstraint},

apps/ied_simulator/qml/BrowserGlobalDataPane.qml

@@ -189,7 +189,12 @@ Rectangle {
                 watchModel.setProperty(i, "value", node.value || "")
                 watchModel.setProperty(i, "quality", node.quality || "")
                 watchModel.setProperty(i, "timestamp", node.timestamp || "")
-                watchModel.setProperty(i, "status", context.online ? (node.readable ? "LIVE" : "UNRESOLVED") : "OFFLINE")
+                // Structural reachability is not a successful MMS sample.
+                // Legitimate empty-string values still count as received via the
+                // canonical model's explicit sample-ingress bit.
+                watchModel.setProperty(i, "status", !context.online ? "OFFLINE"
+                    : !node.readable ? "UNRESOLVED"
+                    : node.hasReceivedValue === true ? "LIVE" : "NOT READ")
             } else if (row.kind === "DATASET") {
                 var members = row.membersText.length > 0 ? row.membersText.split("\n").length : 0
                 watchModel.setProperty(i, "status", context.online ? "READY" : "OFFLINE")

apps/ied_simulator/qml/FleetGlobalDataPane.qml

@@ -23,35 +23,99 @@ Rectangle {
 
     ListModel { id: rows }
 
+    // Presentation only. Each IED retains its canonical watchlist, MMS
+    // association, and report authority; this pane never owns measurements.
+    property string filterText: ""
+    property int sourceCount: 0
+    readonly property int maximumPreviewLength: 256
+
+    function preview(value) {
+        const text = value === undefined || value === null ? "" : String(value)
+        return text.length <= maximumPreviewLength ? text
+            : text.slice(0, maximumPreviewLength - 1) + "…"
+    }
+
+    function requestRefresh() {
+        // Event-driven coalescing: a multi-value MMS update is one UI refresh.
+        Qt.callLater(root.refreshRows)
+    }
+
     function refreshRows() {
-        rows.clear()
-        for (var index = 0; index < fleet.workspaceCount; ++index) {
-            var view = browserViews.itemAt(index)
-            var context = fleet.contextAt(index)
-            if (!view || !context)
-                continue
-            var entries = view.watchedRows()
-            for (var i = 0; i < entries.length; ++i) {
-                if (rows.count >= maximumRows) {
-                    statusMessage = "Combined watchlist bound reached (2048); no more rows retained."
-                    return
-                }
-                var row = entries[i]
-                rows.append({
+        const next = []
+        const needle = filterText.trim().toLowerCase()
+        let sourceTotal = 0
+        let truncated = false
+        for (let index = 0; index < fleet.workspaceCount; ++index) {
+            const view = browserViews.itemAt(index)
+            const context = fleet.contextAt(index)
+            if (!view || !context) continue
+            const entries = view.watchedRows()
+            const ied = context.iedName || ("IED " + String(index + 1))
+            for (let i = 0; i < entries.length; ++i) {
+                const row = entries[i]
+                ++sourceTotal
+                const item = {
                     "slotIndex": index,
-                    "iedName": context.iedName || ("IED " + String(index + 1)),
+                    "iedName": ied,
                     "kind": row.kind || "",
                     "reference": row.reference || "",
-                    "detail": row.detail || "",
-                    "value": row.value || "",
-                    "quality": row.quality || "",
-                    "timestamp": row.timestamp || "",
+                    "detail": preview(row.detail),
+                    "value": preview(row.value),
+                    "quality": preview(row.quality),
+                    "timestamp": preview(row.timestamp),
                     "status": row.status || "OFFLINE"
-                })
+                }
+                // Search a bounded presentation preview, not a potentially
+                // megabyte-long MMS scalar or a second indexing/cache system.
+                if (needle.length > 0 &&
+                    [item.iedName, item.kind, preview(item.reference),
+                     item.detail, item.value, item.quality, item.timestamp,
+                     item.status].join(" ").toLowerCase().indexOf(needle) < 0)
+                    continue
+                if (next.length >= maximumRows) {
+                    truncated = true
+                    continue
+                }
+                next.push(item)
+            }
+        }
+
+        sourceCount = sourceTotal
+        // Keep virtualized delegates and scroll position stable for frequent
+        // real MMS value updates. Structural change is the only reset path.
+        let stable = rows.count === next.length
+        if (stable) {
+            for (let i = 0; i < next.length; ++i) {
+                const old = rows.get(i)
+                if (old.slotIndex !== next[i].slotIndex ||
+                    old.kind !== next[i].kind ||
+                    old.reference !== next[i].reference) {
+                    stable = false
+                    break
+                }
+            }
+        }
+        if (stable) {
+            const dynamicRoles = ["iedName", "detail", "value", "quality", "timestamp", "status"]
+            for (let i = 0; i < next.length; ++i) {
+                const before = rows.get(i)
+                for (let k = 0; k < dynamicRoles.length; ++k) {
+                    const role = dynamicRoles[k]
+                    if (before[role] !== next[i][role])
+                        rows.setProperty(i, role, next[i][role])
+                }
             }
+        } else {
+            rows.clear()
+            for (let i = 0; i < next.length; ++i)
+                rows.append(next[i])
         }
-        statusMessage = String(rows.count) + " entries from "
-                        + String(fleet.workspaceCount) + " separate IED workspace(s)."
+        statusMessage = truncated
+            ? "Visible result limit reached (2048). Refine search."
+            : needle.length > 0
+              ? String(rows.count) + " matches across " + String(sourceTotal) + " watched entries."
+              : String(sourceTotal) + " watched entries from "
+                    + String(fleet.workspaceCount) + " independent IED(s)."
     }
 
     function refreshSelected() {
@@ -68,7 +132,7 @@ Rectangle {
 
     Connections {
         target: fleet
-        function onWorkspacesChanged() { root.refreshRows() }
+        function onWorkspacesChanged() { root.requestRefresh() }
     }
 
     ColumnLayout {
@@ -106,9 +170,29 @@ Rectangle {
                     }
                 }
 
+                TextField {
+                    id: signalSearch
+                    objectName: "fleetGlobalDataSearch"
+                    Layout.preferredWidth: 215
+                    Layout.maximumWidth: 270
+                    maximumLength: 128
+                    placeholderText: "Search IED, signal, value, quality…"
+                    selectByMouse: true
+                    onTextChanged: {
+                        root.filterText = text
+                        root.requestRefresh()
+                    }
+                    ToolTip.visible: hovered
+                    ToolTip.text: "Filter this view only. Never changes watched signals or starts MMS traffic."
+                }
+                Button {
+                    text: "Clear"
+                    visible: signalSearch.length > 0
+                    onClicked: signalSearch.clear()
+                }
                 ComboBox {
                     id: selectedIed
-                    Layout.preferredWidth: 185
+                    Layout.preferredWidth: 160
                     model: fleet
                     textRole: "label"
                 }
@@ -146,11 +230,13 @@ Rectangle {
                 anchors.leftMargin: 12
                 anchors.rightMargin: 12
                 spacing: 9
-                Label { Layout.preferredWidth: 110; text: "IED"; color: theme.muted; font.pixelSize: 8 }
-                Label { Layout.preferredWidth: 70; text: "TYPE"; color: theme.muted; font.pixelSize: 8 }
-                Label { Layout.fillWidth: true; text: "CANONICAL REFERENCE"; color: theme.muted; font.pixelSize: 8 }
-                Label { Layout.preferredWidth: 150; text: "VALUE"; color: theme.muted; font.pixelSize: 8 }
-                Label { Layout.preferredWidth: 90; text: "STATUS"; color: theme.muted; font.pixelSize: 8 }
+                Label { Layout.preferredWidth: 96; text: "IED"; color: theme.muted; font.pixelSize: 8 }
+                Label { Layout.preferredWidth: 58; text: "TYPE"; color: theme.muted; font.pixelSize: 8 }
+                Label { Layout.fillWidth: true; text: "IEC REFERENCE"; color: theme.muted; font.pixelSize: 8 }
+                Label { Layout.preferredWidth: 120; text: "VALUE"; color: theme.muted; font.pixelSize: 8 }
+                Label { Layout.preferredWidth: 110; text: "QUALITY"; color: theme.muted; font.pixelSize: 8 }
+                Label { Layout.preferredWidth: 145; text: "IED TIMESTAMP"; color: theme.muted; font.pixelSize: 8 }
+                Label { Layout.preferredWidth: 90; text: "STATE"; color: theme.muted; font.pixelSize: 8 }
             }
         }
 
@@ -186,14 +272,14 @@ Rectangle {
                     anchors.rightMargin: 12
                     spacing: 9
                     Label {
-                        Layout.preferredWidth: 110
+                        Layout.preferredWidth: 96
                         text: iedName
                         color: theme.text
                         font.pixelSize: 8
                         elide: Text.ElideRight
                     }
                     Label {
-                        Layout.preferredWidth: 70
+                        Layout.preferredWidth: 58
                         text: kind
                         color: theme.muted
                         font.pixelSize: 8
@@ -206,12 +292,26 @@ Rectangle {
                         elide: Text.ElideMiddle
                     }
                     Label {
-                        Layout.preferredWidth: 150
-                        text: value
+                        Layout.preferredWidth: 120
+                        text: value.length ? value : "—"
                         color: theme.text
                         font.pixelSize: 8
                         elide: Text.ElideRight
                     }
+                    Label {
+                        Layout.preferredWidth: 110
+                        text: quality.length ? quality : "—"
+                        color: quality.length ? theme.textSoft : theme.muted
+                        font.pixelSize: 8
+                        elide: Text.ElideRight
+                    }
+                    Label {
+                        Layout.preferredWidth: 145
+                        text: timestamp.length ? timestamp : "—"
+                        color: timestamp.length ? theme.textSoft : theme.muted
+                        font.pixelSize: 8
+                        elide: Text.ElideRight
+                    }
                     Label {
                         Layout.preferredWidth: 90
                         text: status
@@ -235,7 +335,9 @@ Rectangle {
                 anchors.centerIn: parent
                 visible: rows.count === 0
                 width: Math.max(250, parent.width - 80)
-                text: "No watched signals yet. Open an IED tab and add DataAttributes, DataSets, Reports, or GOOSE to its Global Data."
+                text: root.filterText.length > 0
+                    ? "No watched signals match this search. Clear the filter to see all IEDs."
+                    : "No watched signals yet. Open an IED tab and add DataAttributes, DataSets, Reports, or GOOSE to its Global Data."
                 color: theme.muted
                 font.pixelSize: 9
                 horizontalAlignment: Text.AlignHCenter

apps/ied_simulator/qml/Main.qml

@@ -482,7 +482,7 @@ ApplicationWindow {
                                     utilities: root.browserFleet.utilitiesAt(index)
                                     controls: root.browserFleet.controlsAt(index)
                                     engineering: root.browserFleet.engineeringAt(index)
-                                    onWatchedDataChanged: fleetGlobalData.refreshRows()
+                                    onWatchedDataChanged: fleetGlobalData.requestRefresh()
                                 }
                             }
                         }

apps/ied_simulator/src/MmsLiveTreeModel.cpp

@@ -344,6 +344,7 @@ QVariantMap MmsLiveTreeModel::nodeMap(const int nodeIndex) const {
         }
     }
     result.insert(QStringLiteral("value"), displayValue);
+    result.insert(QStringLiteral("hasReceivedValue"), node.hasReceivedValue);
     result.insert(QStringLiteral("engineeringEvidence"), node.engineeringEvidence);
     result.insert(QStringLiteral("hasChildren"), !node.children.isEmpty());
     result.insert(QStringLiteral("childCount"), node.children.size());
@@ -667,7 +668,9 @@ void MmsLiveTreeModel::applyReadValue(
     if (found == mmsIndex_.cend()) return;
     const auto nodeIndex = found.value();
     auto& node = nodes_[nodeIndex];
-    if (node.value == displayValue && node.engineeringEvidence == engineeringEvidence) return;
+    if (node.hasReceivedValue && node.value == displayValue &&
+        node.engineeringEvidence == engineeringEvidence) return;
+    node.hasReceivedValue = true;
     node.value = displayValue;
     // Evidence is immutable per received sample; a later untyped update must
     // clear previous bit/clock details rather than reuse stale measurements.

apps/ied_simulator/src/MmsLiveTreeModel.hpp

@@ -187,6 +187,7 @@ class MmsLiveTreeModel : public QAbstractListModel {
         QString typeStatus;
         QString description;
         QString value;
+        bool hasReceivedValue{};  // updated only at actual MMS sample ingress
         QVariantMap engineeringEvidence;
         bool writable{};
     };

apps/ied_simulator/src/ied_browser_large_model_qa.cpp

@@ -201,6 +201,19 @@ int main(int argc, char** argv) {
 
     const QString liveKey = QStringLiteral("LD4") + QChar(0x1f) +
                             QStringLiteral("LLN19$MX$DO99$DA4");
+    // ARSAS parity: discovered/readable is not the same as measured. An
+    // empty-string MMS sample is still a real received value, not "Not read".
+    if (model.nodeForReference(QStringLiteral("LD4/LLN19.DO99.DA4"))
+            .value(QStringLiteral("hasReceivedValue")).toBool()) {
+        std::cerr << "IED_BROWSER_LARGE_MODEL_FAIL unread_sample_false_live\n";
+        return 30;
+    }
+    model.applyReadValue(liveKey, QString{});
+    if (!model.nodeForReference(QStringLiteral("LD4/LLN19.DO99.DA4"))
+             .value(QStringLiteral("hasReceivedValue")).toBool()) {
+        std::cerr << "IED_BROWSER_LARGE_MODEL_FAIL empty_sample_received\n";
+        return 31;
+    }
     model.applyReadValue(liveKey, QStringLiteral("23"));
     if (model.nodeForReference(QStringLiteral("LD4/LLN19.DO99.DA4  [MX]"))
              .value(QStringLiteral("value")).toString() != QStringLiteral("23")) {

apps/ied_simulator/test_browser_convergence.py

@@ -12,6 +12,11 @@
 navigation = Path(sys.argv[2]).read_text(encoding="utf-8")
 status = Path(sys.argv[3]).read_text(encoding="utf-8")
 data_model = Path(sys.argv[4]).read_text(encoding="utf-8")
+fleet_global = (workspace_path.parent / "FleetGlobalDataPane.qml").read_text(encoding="utf-8")
+per_ied_global = (workspace_path.parent / "BrowserGlobalDataPane.qml").read_text(encoding="utf-8")
+canonical_header = (workspace_path.parent.parent / "src" / "MmsLiveTreeModel.hpp").read_text(encoding="utf-8")
+canonical_tree = (workspace_path.parent.parent / "src" / "MmsLiveTreeModel.cpp").read_text(encoding="utf-8")
+large_model_qa = (workspace_path.parent.parent / "src" / "ied_browser_large_model_qa.cpp").read_text(encoding="utf-8")
 
 workspace_required = [
     'component RibbonAction: Button',
@@ -105,11 +110,38 @@
 if 'readEngineeringSelected()' in data_set or 'readEngineeringSelected()' in data_model:
     raise SystemExit("BROWSER_TYPED_EVIDENCE_FAIL passive inspector initiated MMS Read")
 
+# M2K — migrate ARSAS live-grid presentation while retaining one authoritative
+# per-IED canonical MMS tree and rejecting "readable means LIVE" shortcuts.
+for token in [
+    'objectName: "fleetGlobalDataSearch"',
+    'text: "QUALITY"',
+    'text: "IED TIMESTAMP"',
+    'function requestRefresh()',
+    'Qt.callLater(root.refreshRows)',
+    'rows.setProperty(i, role, next[i][role])',
+    'readonly property int maximumPreviewLength: 256',
+    'onDoubleClicked: root.iedRequested(slotIndex)',
+]:
+    if token not in fleet_global:
+        raise SystemExit("BROWSER_ARSAS_LIVE_GRID_FAIL missing=" + token)
+if ("node.hasReceivedValue === true ? \"LIVE\" : \"NOT READ\"" not in per_ied_global or
+        "bool hasReceivedValue{};" not in canonical_header or
+        'QStringLiteral("hasReceivedValue")' not in canonical_tree or
+        "node.hasReceivedValue = true;" not in canonical_tree or
+        "unread_sample_false_live" not in large_model_qa or
+        "empty_sample_received" not in large_model_qa):
+    raise SystemExit("BROWSER_ARSAS_SSOT_FAIL unread values fabricated as LIVE")
+main_qml = (workspace_path.parent / "Main.qml").read_text(encoding="utf-8")
+if 'onWatchedDataChanged: fleetGlobalData.requestRefresh()' not in main_qml:
+    raise SystemExit("BROWSER_ARSAS_LIVE_GRID_FAIL uncoalesced cross-IED burst")
+
+if "Timer {" in fleet_global or "readEngineeringSelected()" in fleet_global:
+    raise SystemExit("BROWSER_ARSAS_SSOT_FAIL implicit MMS polling or read")
+
 # Typed MMS evidence from the initial trusted-SCL snapshot must survive into
 # both canonical trees. The large-model QA exercises valid/invalid wire cases.
 snapshot_projection = (workspace_path.parent.parent / "src" / "MmsSclClientProjection.hpp").read_text(encoding="utf-8")
 mms_client = (workspace_path.parent.parent / "src" / "MmsClientController.cpp").read_text(encoding="utf-8")
-large_model_qa = (workspace_path.parent.parent / "src" / "ied_browser_large_model_qa.cpp").read_text(encoding="utf-8")
 if ("isSclTypedEvidenceLeaf(item)" not in snapshot_projection or
         "item[item.size() - 2] == '$'" not in snapshot_projection or
         "kMaximumSclInitialTypedEvidence = 96U" not in snapshot_projection or

apps/ied_simulator/test_multi_ied_workspace.py

@@ -71,7 +71,7 @@ def require(haystack, words, label):
     "onOpenSourceRequested: function(fileUrl)",
     "fleet.prepareForNewSource()",
     "FleetGlobalDataPane {",
-    "onWatchedDataChanged: fleetGlobalData.refreshRows()",
+    "onWatchedDataChanged: fleetGlobalData.requestRefresh()",
 ), "shell routing")
 require(browser, (
     "required property var fleet",
@@ -91,7 +91,14 @@ def require(haystack, words, label):
     "view.watchedRows()",
     "view.refreshWatchedGlobalData()",
     "maximumRows: 2048",
+    "function requestRefresh()",
+    "Qt.callLater(root.refreshRows)",
+    "rows.setProperty(i, role, next[i][role])",
+    'text: "QUALITY"',
+    'text: "IED TIMESTAMP"',
 ), "all-IED Global Data")
+if 'onWatchedDataChanged: fleetGlobalData.refreshRows()' in main:
+    raise SystemExit("P6E_FAIL uncoalesced cross-IED watch refresh")
 require(global_data, (
     "signal watchSnapshotChanged()",
     "function snapshotRows()",