From 81ee7c04681f5accdf3608016109931a85dfffe9 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 08:28:06 +0700
Subject: [PATCH 01/43] fix(qml): show the selected IED Browser with
 non-shadowed slot services

---
 apps/ied_simulator/qml/Main.qml | 38 +++++++++++++++++++++------------
 1 file changed, 24 insertions(+), 14 deletions(-)

diff --git a/apps/ied_simulator/qml/Main.qml b/apps/ied_simulator/qml/Main.qml
index c11595578..501f3af68 100644
--- a/apps/ied_simulator/qml/Main.qml
+++ b/apps/ied_simulator/qml/Main.qml
@@ -449,28 +449,38 @@ ApplicationWindow {
                         Layout.fillHeight: true
                         currentIndex: root.allIedMonitor ? 1 : 0
 
-                        StackLayout {
+                        Item {
+                            id: perIedBrowserHost
+                            objectName: "perIedBrowserHost"
                             Layout.fillWidth: true
                             Layout.fillHeight: true
-                            currentIndex: fleet.activeIndex
 
-                            // Delegates persist per slot: each IED retains its own
-                            // navigation and P6A Global Data watchlist.
+                            // A Repeater is itself an Item. Putting it inside a
+                            // StackLayout adds a layout child before its delegates:
+                            // indexing by the fleet slot can show a different
+                            // IED's panel from the selected tab. Keep delegates as
+                            // siblings in a plain Item, size them explicitly, and
+                            // show exactly the active slot. Hidden views retain
+                            // their per-IED navigation and Global Data watchlists.
                             Repeater {
                                 id: iedBrowserRepeater
-                                model: fleet
+                                objectName: "iedBrowserRepeater"
+                                model: root.browserFleet
                                 IedBrowserWorkspace {
-                                    property int slotIndex: index
+                                    required property int index
+                                    objectName: "iedBrowserView_" + index
+                                    anchors.fill: parent
+                                    visible: index === root.browserFleet.activeIndex
                                     theme: appTheme
                                     productState: hardening
-                                    fleet: browserFleet
-                                    session: browserFleet.sessionAt(slotIndex)
-                                    client: browserFleet.clientAt(slotIndex)
-                                    context: browserFleet.contextAt(slotIndex)
-                                    reports: browserFleet.reportsAt(slotIndex)
-                                    utilities: browserFleet.utilitiesAt(slotIndex)
-                                    controls: browserFleet.controlsAt(slotIndex)
-                                    engineering: browserFleet.engineeringAt(slotIndex)
+                                    fleet: root.browserFleet
+                                    session: root.browserFleet.sessionAt(index)
+                                    client: root.browserFleet.clientAt(index)
+                                    context: root.browserFleet.contextAt(index)
+                                    reports: root.browserFleet.reportsAt(index)
+                                    utilities: root.browserFleet.utilitiesAt(index)
+                                    controls: root.browserFleet.controlsAt(index)
+                                    engineering: root.browserFleet.engineeringAt(index)
                                     onWatchedDataChanged: fleetGlobalData.refreshRows()
                                 }
                             }

From cd8244a8c03639e3400909831b590d56d0d205b6 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 08:28:10 +0700
Subject: [PATCH 02/43] test(browser): restore validated rendered fleet routing
 and service contracts

---
 apps/ied_simulator/src/main.cpp | 169 ++++++++++++++++++++++++++++++++
 1 file changed, 169 insertions(+)

diff --git a/apps/ied_simulator/src/main.cpp b/apps/ied_simulator/src/main.cpp
index 8a1123adf..6ca0859fd 100644
--- a/apps/ied_simulator/src/main.cpp
+++ b/apps/ied_simulator/src/main.cpp
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #include "IedFleetController.hpp"
+#include "IedBrowserFleetController.hpp"
 
 #include <QCommandLineOption>
 #include <QCommandLineParser>
@@ -10,6 +11,10 @@
 #include <QQmlApplicationEngine>
 #include <QQuickStyle>
 #include <QQuickWindow>
+#include <QQuickItem>
+#include <QEventLoop>
+#include <QElapsedTimer>
+#include <QThread>
 #include <QTimer>
 #include <QUrl>
 
@@ -99,6 +104,9 @@ int main(int argc, char* argv[]) {
     const QCommandLineOption smokeOption{
         QStringLiteral("smoke-test"),
         QStringLiteral("Load the QML scene, wait briefly, and exit.")};
+    const QCommandLineOption qaBrowserRoutingOption{
+        QStringLiteral("qa-browser-routing"),
+        QStringLiteral("QA: verify the rendered active IED Browser and its offline signal tree match the selected fleet slot.")};
     const QCommandLineOption portOption{
         QStringLiteral("port"),
         QStringLiteral("Override the default MMS listen port."),
@@ -125,6 +133,7 @@ int main(int argc, char* argv[]) {
         startIedOption,
         screenshotOption,
         smokeOption,
+        qaBrowserRoutingOption,
         portOption,
         setFirstValueOption,
         qaLiveBurstOption,
@@ -418,6 +427,166 @@ int main(int argc, char* argv[]) {
                 liveTimer->start();
             }
         }
+        if (parser.isSet(qaBrowserRoutingOption)) {
+            QTimer::singleShot(150, &app, [&app, rootObject] {
+                auto fail = [&app](const char* reason, const int code) {
+                    qCritical().noquote() << "BROWSER_FLEET_ROUTING_FAIL" << reason;
+                    app.exit(code);
+                };
+                auto* const fleet = rootObject->findChild<IedBrowserFleetController*>(
+                    QStringLiteral("iedBrowserFleetBackend"));
+                if (!fleet || fleet->workspaceCount() != 1 || !fleet->contextAt(0)) {
+                    fail("initial_fleet", 61);
+                    return;
+                }
+
+                // Deliberately reproduce the reported mismatch: an unselected
+                // multi-IED SCL in slot 0 and a fully loaded, offline IED in
+                // slot 1. The active tab and rendered Browser MUST be slot 1.
+                ar::iec61850::scl::SclDocument document;
+                document.source_name = "fleet-routing-qa.scd";
+                document.edition = ar::iec61850::scl::SclEdition::edition2;
+                for (const std::string name : {"QA_IED_A", "QA_IED_B"}) {
+                    document.ieds.push_back({name, "ARStack", "BrowserQA", "1"});
+                    ar::iec61850::scl::SclLogicalNode node;
+                    node.ied_name = name;
+                    node.ld_inst = "LD0";
+                    node.ln_class = "LLN0";
+                    node.name = "LLN0";
+                    document.logical_nodes.push_back(std::move(node));
+                    ar::iec61850::scl::SclDataSetEntry signal;
+                    signal.ied_name = name;
+                    signal.ld_inst = "LD0";
+                    signal.ln_class = "LLN0";
+                    signal.do_name = "Mod";
+                    signal.da_name = "stVal";
+                    signal.functional_constraint = "ST";
+                    signal.basic_type = "INT32";
+                    signal.cdc = "INC";
+                    signal.signal_reference = name + "LD0/LLN0.Mod.stVal";
+                    document.model_entries.push_back(std::move(signal));
+                }
+                if (!fleet->contextAt(0)->publishSclDocument(
+                        document, QStringLiteral("/qa/fleet-routing.scd")) ||
+                    !fleet->contextAt(0)->selectionRequired() ||
+                    fleet->contextAt(0)->loaded()) {
+                    fail("unselected_source_boundary", 62);
+                    return;
+                }
+                if (!fleet->newWorkspace() || fleet->activeIndex() != 1 ||
+                    !fleet->contextAt(1)->publishSclDocument(
+                        document, QStringLiteral("/qa/fleet-routing.scd"),
+                        QStringLiteral("QA_IED_B"))) {
+                    fail("second_source", 63);
+                    return;
+                }
+                rootObject->setProperty("workspaceIndex", 1);
+                rootObject->setProperty("allIedMonitor", false);
+                QCoreApplication::processEvents(QEventLoop::AllEvents, 50);
+
+                auto* const browserHost = rootObject->findChild<QQuickItem*>(
+                    QStringLiteral("perIedBrowserHost"));
+                const auto browserViewAt = [browserHost](const int index) -> QQuickItem* {
+                    if (!browserHost) return nullptr;
+                    const auto expected =
+                        QStringLiteral("iedBrowserView_%1").arg(index);
+                    for (auto* item : browserHost->childItems()) {
+                        if (item && item->objectName() == expected) return item;
+                    }
+                    return nullptr;
+                };
+                auto* const first = browserViewAt(0);
+                auto* const second = browserViewAt(1);
+                auto* const selected = fleet->contextAt(1);
+                auto* const signalList = second
+                    ? second->findChild<QQuickItem*>(QStringLiteral("iedBrowserSignalTree"))
+                    : nullptr;
+
+                const auto renderedReady = [&]() {
+                    return first && second && signalList && selected &&
+                        signalList->property("count").toInt() >= 3 &&
+                        signalList->width() >= 100 && signalList->isVisible() &&
+                        !first->isVisible() && second->isVisible() &&
+                        selected->loaded() && !selected->online() &&
+                        selected->iedName() == QStringLiteral("QA_IED_B") &&
+                        selected->treeModel()->totalNodeCount() >= 5 &&
+                        selected->treeModel()->visibleNodeCount() >= 3 &&
+                        second->width() >= 100 && second->height() >= 100 &&
+                        second->property("context").value<QObject*>() == selected;
+                };
+
+                QElapsedTimer routingSettle;
+                routingSettle.start();
+                while (!renderedReady() && routingSettle.elapsed() < 1'000) {
+                    QCoreApplication::processEvents(QEventLoop::AllEvents, 25);
+                    QThread::msleep(10);
+                }
+                if (!renderedReady()) {
+                    qCritical().noquote()
+                        << "BROWSER_FLEET_ROUTING_DIAG"
+                        << "activeIndex=" << fleet->activeIndex()
+                        << "host=" << static_cast<void*>(browserHost)
+                        << "visualChildren=" << (browserHost ? browserHost->childItems().size() : -1)
+                        << "first=" << static_cast<void*>(first)
+                        << "second=" << static_cast<void*>(second)
+                        << "signalList=" << static_cast<void*>(signalList)
+                        << "firstVisible=" << (first ? first->isVisible() : false)
+                        << "secondVisible=" << (second ? second->isVisible() : false)
+                        << "secondSize=" << (second ? second->width() : -1.0)
+                        << "x" << (second ? second->height() : -1.0)
+                        << "listVisible=" << (signalList ? signalList->isVisible() : false)
+                        << "listCount=" << (signalList ? signalList->property("count").toInt() : -1)
+                        << "listWidth=" << (signalList ? signalList->width() : -1.0)
+                        << "selectedLoaded=" << (selected ? selected->loaded() : false)
+                        << "selectedIed=" << (selected ? selected->iedName() : QStringLiteral("<null>"))
+                        << "totalNodes=" << (selected ? selected->treeModel()->totalNodeCount() : -1)
+                        << "visibleNodes=" << (selected ? selected->treeModel()->visibleNodeCount() : -1)
+                        << "contextMatch=" << (second && selected
+                            ? second->property("context").value<QObject*>() == selected : false);
+                    fail("active_tab_panel_or_offline_signals_mismatch", 64);
+                    return;
+                }
+                if (!fleet->switchTo(0)) {
+                    fail("switch_to_pending_source", 65);
+                    return;
+                }
+                QCoreApplication::processEvents(QEventLoop::AllEvents, 50);
+                if (!first->isVisible() || second->isVisible()) {
+                    fail("wrong_panel_after_switch", 66);
+                    return;
+                }
+                if (!fleet->switchTo(1)) {
+                    fail("switch_back_to_loaded_ied", 67);
+                    return;
+                }
+                QCoreApplication::processEvents(QEventLoop::AllEvents, 50);
+                if (first->isVisible() || !second->isVisible() ||
+                    !selected->loaded() || selected->treeModel()->visibleNodeCount() < 3 ||
+                    signalList->property("count").toInt() < 3) {
+                    fail("offline_signal_tree_lost_after_switch", 68);
+                    return;
+                }
+
+                if (!fleet->closeWorkspace(0)) {
+                    fail("close_inactive_workspace", 69);
+                    return;
+                }
+                QCoreApplication::processEvents(QEventLoop::AllEvents, 50);
+                auto* const retained = browserViewAt(0);
+                if (fleet->workspaceCount() != 1 || fleet->activeIndex() != 0 ||
+                    !retained || !retained->isVisible() ||
+                    fleet->activeContext() != selected ||
+                    fleet->activeContext()->treeModel()->visibleNodeCount() < 3) {
+                    fail("active_model_lost_after_reindex", 70);
+                    return;
+                }
+                qInfo().noquote()
+                    << "BROWSER_FLEET_ROUTING_PASS active_tab=QA_IED_B"
+                    << "offline_signals=visible"
+                    << "switching=pass reindex=pass cross_ied_panel=false";
+                app.exit(0);
+            });
+        }
         if (parser.isSet(screenshotOption)) {
             const auto outputPath = parser.value(screenshotOption);
             QTimer::singleShot(1600, &app, [&app, rootObject, outputPath] {

From edc3540e2186e75ff25e2f986221a26f0af4b8f1 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 08:28:12 +0700
Subject: [PATCH 03/43] test(browser): restore validated rendered fleet routing
 and service contracts

---
 apps/ied_simulator/test_browser_control_ux.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/apps/ied_simulator/test_browser_control_ux.py b/apps/ied_simulator/test_browser_control_ux.py
index db6d800cd..2159b28ef 100644
--- a/apps/ied_simulator/test_browser_control_ux.py
+++ b/apps/ied_simulator/test_browser_control_ux.py
@@ -88,9 +88,9 @@ def require(text: str, token: str, label: str) -> None:
 # per IED slot. Both shell shapes must still wire the proven P6B service.
 if 'IedBrowserFleetController {' in main:
     for token in (
-        'controls: fleet.controlsAt(index)',
-        'session: fleet.sessionAt(index)',
-        'context: fleet.contextAt(index)',
+        'controls: root.browserFleet.controlsAt(index)',
+        'session: root.browserFleet.sessionAt(index)',
+        'context: root.browserFleet.contextAt(index)',
     ):
         require(main, token, "Per-IED application shell")
 else:

From ec8d87e9d7459e68056d38ccd8bcfc69ea2611b8 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 08:28:15 +0700
Subject: [PATCH 04/43] test(browser): restore validated rendered fleet routing
 and service contracts

---
 .../ied_simulator/test_multi_ied_workspace.py | 47 +++++++++++++++----
 1 file changed, 39 insertions(+), 8 deletions(-)

diff --git a/apps/ied_simulator/test_multi_ied_workspace.py b/apps/ied_simulator/test_multi_ied_workspace.py
index d9106470d..117ba5cc2 100644
--- a/apps/ied_simulator/test_multi_ied_workspace.py
+++ b/apps/ied_simulator/test_multi_ied_workspace.py
@@ -58,14 +58,16 @@ def require(haystack, words, label):
     "property var browserSession: fleet.activeSession",
     "property var sclWorkspace: fleet.activeEngineering",
     "model: fleet",
-    "currentIndex: fleet.activeIndex",
-    "browserFleet.contextAt(slotIndex)",
-    "browserFleet.sessionAt(slotIndex)",
-    "browserFleet.clientAt(slotIndex)",
-    "browserFleet.reportsAt(slotIndex)",
-    "browserFleet.controlsAt(slotIndex)",
-    "browserFleet.utilitiesAt(slotIndex)",
-    "browserFleet.engineeringAt(slotIndex)",
+    "visible: index === root.browserFleet.activeIndex",
+    "anchors.fill: parent",
+    'objectName: "iedBrowserView_" + index',
+    "root.browserFleet.contextAt(index)",
+    "root.browserFleet.sessionAt(index)",
+    "root.browserFleet.clientAt(index)",
+    "root.browserFleet.reportsAt(index)",
+    "root.browserFleet.controlsAt(index)",
+    "root.browserFleet.utilitiesAt(index)",
+    "root.browserFleet.engineeringAt(index)",
     "onOpenSourceRequested: function(fileUrl)",
     "fleet.prepareForNewSource()",
     "FleetGlobalDataPane {",
@@ -116,6 +118,35 @@ def require(haystack, words, label):
 ):
     if f"{typename} {{" in main:
         raise SystemExit(f"P6E_FAIL singleton {typename} remained in Main.qml")
+# QML required property 'fleet' in IedBrowserWorkspace shadows Main's
+# id 'fleet': `fleet: fleet` resolves to itself and leaves every Browser
+# service/context undefined, rendering the exact blank signal screenshot.
+require(main, (
+    "property var browserFleet: fleet",
+    "fleet: root.browserFleet",
+    "session: root.browserFleet.sessionAt(index)",
+    "client: root.browserFleet.clientAt(index)",
+    "context: root.browserFleet.contextAt(index)",
+    "reports: root.browserFleet.reportsAt(index)",
+    "utilities: root.browserFleet.utilitiesAt(index)",
+    "controls: root.browserFleet.controlsAt(index)",
+    "engineering: root.browserFleet.engineeringAt(index)",
+), "non-shadowed Browser context/service routing")
+if "fleet: fleet" in main:
+    raise SystemExit("P6E_FAIL QML fleet self-shadowing would empty the Browser")
+
+# A StackLayout containing a Repeater has an extra layout child and can
+# render slot N-1 while the active tab points at slot N.
+if "currentIndex: fleet.activeIndex" in main or \
+        "currentIndex: fleet.activeIndex + 1" in main:
+    raise SystemExit("P6E_FAIL Repeater delegates must not use StackLayout indexing")
+require(main, (
+    'id: perIedBrowserHost',
+    'id: iedBrowserRepeater',
+    'visible: index === root.browserFleet.activeIndex',
+    'objectName: "iedBrowserView_" + index',
+), "exact active Browser panel routing")
+
 if "Timer {" in all_data:
     raise SystemExit("P6E_FAIL aggregate Global Data timer/polling introduced")
 if "setEngineeringContext(fleet.activeContext)" in main:

From 517c7862808804c03769fe1f6db2d124b34cfc22 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 08:28:18 +0700
Subject: [PATCH 05/43] test(browser): reject shadowed services and wrong
 active-slot geometry

---
 .../test_browser_delegate_bindings.py         | 21 +++++++++++--------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/apps/ied_simulator/test_browser_delegate_bindings.py b/apps/ied_simulator/test_browser_delegate_bindings.py
index ef11bde15..3e97fda54 100644
--- a/apps/ied_simulator/test_browser_delegate_bindings.py
+++ b/apps/ied_simulator/test_browser_delegate_bindings.py
@@ -15,15 +15,18 @@
 
 required_main = (
     "property var browserFleet: fleet",
-    "property int slotIndex: index",
-    "fleet: browserFleet",
-    "session: browserFleet.sessionAt(slotIndex)",
-    "client: browserFleet.clientAt(slotIndex)",
-    "context: browserFleet.contextAt(slotIndex)",
-    "reports: browserFleet.reportsAt(slotIndex)",
-    "utilities: browserFleet.utilitiesAt(slotIndex)",
-    "controls: browserFleet.controlsAt(slotIndex)",
-    "engineering: browserFleet.engineeringAt(slotIndex)",
+    'id: perIedBrowserHost',
+    'objectName: "iedBrowserView_" + index',
+    "anchors.fill: parent",
+    "visible: index === root.browserFleet.activeIndex",
+    "fleet: root.browserFleet",
+    "session: root.browserFleet.sessionAt(index)",
+    "client: root.browserFleet.clientAt(index)",
+    "context: root.browserFleet.contextAt(index)",
+    "reports: root.browserFleet.reportsAt(index)",
+    "utilities: root.browserFleet.utilitiesAt(index)",
+    "controls: root.browserFleet.controlsAt(index)",
+    "engineering: root.browserFleet.engineeringAt(index)",
 )
 missing = [token for token in required_main if token not in main]
 if missing:

From 3550f2f5ea3e00f097c42e56f4c71b56db84599c Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 08:28:22 +0700
Subject: [PATCH 06/43] ci(browser): gate rendered active IED and offline
 signal routing

---
 .github/workflows/ied-simulator-qt.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/ied-simulator-qt.yml b/.github/workflows/ied-simulator-qt.yml
index 4d66c60a7..6ff3fb5da 100644
--- a/.github/workflows/ied-simulator-qt.yml
+++ b/.github/workflows/ied-simulator-qt.yml
@@ -71,6 +71,11 @@ jobs:
           QT_QPA_PLATFORM: offscreen
         run: ./build-ied-simulator-qt/arstack_ied_simulator --smoke-test
 
+      - name: P0 rendered fleet Browser and offline signal routing
+        env:
+          QT_QPA_PLATFORM: offscreen
+        run: ./build-ied-simulator-qt/arstack_ied_simulator --qa-browser-routing
+
       - name: MMS client discovery workbench gates
         env:
           QT_QPA_PLATFORM: offscreen

From f59089fd89bf6ba5c6eaac8ff903b50468b0f100 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 08:28:30 +0700
Subject: [PATCH 07/43] ci(browser): verify active slot routing in release
 hardening

---
 .github/workflows/ied-simulator-release-hardening.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/ied-simulator-release-hardening.yml b/.github/workflows/ied-simulator-release-hardening.yml
index 2400fa5cd..5285cdf7c 100644
--- a/.github/workflows/ied-simulator-release-hardening.yml
+++ b/.github/workflows/ied-simulator-release-hardening.yml
@@ -42,6 +42,11 @@ jobs:
           QT_QPA_PLATFORM: offscreen
         run: ./build-ied-simulator-release/ied_product_hardening_qa
 
+      - name: P0 rendered fleet Browser and offline signal routing
+        env:
+          QT_QPA_PLATFORM: offscreen
+        run: ./build-ied-simulator-release/arstack_ied_simulator --qa-browser-routing
+
       - name: MMS reconnect association soak
         env:
           QT_QPA_PLATFORM: offscreen

From 684e32eaca11472af5c4944a23fb4a31b79cf77d Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:14:11 +0700
Subject: [PATCH 08/43] fix(qml): restore canonical Browser tree roles and
 rendered-tree identity

---
 apps/ied_simulator/qml/IedBrowserNavigation.qml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/apps/ied_simulator/qml/IedBrowserNavigation.qml b/apps/ied_simulator/qml/IedBrowserNavigation.qml
index eec8093c4..b795cdc69 100644
--- a/apps/ied_simulator/qml/IedBrowserNavigation.qml
+++ b/apps/ied_simulator/qml/IedBrowserNavigation.qml
@@ -387,6 +387,7 @@ Rectangle {
 
                     ListView {
                         id: modelTree
+                        objectName: "iedBrowserSignalTree"
                         Layout.fillWidth: true
                         Layout.preferredHeight: Math.max(260, Math.min(contentHeight, 620))
                         clip: true
@@ -398,6 +399,8 @@ Rectangle {
                         delegate: Rectangle {
                             id: modelRow
                             required property int index
+                            // Required delegate properties disable implicit model context roles.
+                            required property var model
                             width: modelTree.width
                             height: 30
                             color: model.selected ? root.theme.accentSoft

From 1b104d443e8cb16f79d30cbb2ff93e3a711eb6e5 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:14:14 +0700
Subject: [PATCH 09/43] fix(qml): bind value-table model roles with required
 delegate index

---
 apps/ied_simulator/qml/MmsClientWorkspace.qml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/apps/ied_simulator/qml/MmsClientWorkspace.qml b/apps/ied_simulator/qml/MmsClientWorkspace.qml
index 759f831fa..c3ad44a05 100644
--- a/apps/ied_simulator/qml/MmsClientWorkspace.qml
+++ b/apps/ied_simulator/qml/MmsClientWorkspace.qml
@@ -426,6 +426,7 @@ Item {
 
                         ListView {
                             id: valueTable
+                            objectName: "iedBrowserValueTable"
                             Layout.fillWidth: true
                             Layout.fillHeight: true
                             clip: true
@@ -441,6 +442,8 @@ Item {
                             delegate: Rectangle {
                                 id: valueRow
                                 required property int index
+                                // Bind the complete model role object alongside the index.
+                                required property var model
                                 width: valueTable.width
                                 height: 31
                                 color: model.selected

From 0d1beb8f648ce1ca1a561563ee38cee3f58de71b Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:14:35 +0700
Subject: [PATCH 10/43] test(browser): assert rendered model values as well as
 active signal tree

---
 apps/ied_simulator/src/main.cpp | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/apps/ied_simulator/src/main.cpp b/apps/ied_simulator/src/main.cpp
index 6ca0859fd..a093b2477 100644
--- a/apps/ied_simulator/src/main.cpp
+++ b/apps/ied_simulator/src/main.cpp
@@ -501,11 +501,16 @@ int main(int argc, char* argv[]) {
                 auto* const signalList = second
                     ? second->findChild<QQuickItem*>(QStringLiteral("iedBrowserSignalTree"))
                     : nullptr;
+                auto* const valueList = second
+                    ? second->findChild<QQuickItem*>(QStringLiteral("iedBrowserValueTable"))
+                    : nullptr;
 
                 const auto renderedReady = [&]() {
-                    return first && second && signalList && selected &&
+                    return first && second && signalList && valueList && selected &&
                         signalList->property("count").toInt() >= 3 &&
                         signalList->width() >= 100 && signalList->isVisible() &&
+                        valueList->property("count").toInt() >= 3 &&
+                        valueList->width() >= 100 && valueList->isVisible() &&
                         !first->isVisible() && second->isVisible() &&
                         selected->loaded() && !selected->online() &&
                         selected->iedName() == QStringLiteral("QA_IED_B") &&
@@ -530,6 +535,9 @@ int main(int argc, char* argv[]) {
                         << "first=" << static_cast<void*>(first)
                         << "second=" << static_cast<void*>(second)
                         << "signalList=" << static_cast<void*>(signalList)
+                        << "valueList=" << static_cast<void*>(valueList)
+                        << "valueCount=" << (valueList ? valueList->property("count").toInt() : -1)
+                        << "valueVisible=" << (valueList ? valueList->isVisible() : false)
                         << "firstVisible=" << (first ? first->isVisible() : false)
                         << "secondVisible=" << (second ? second->isVisible() : false)
                         << "secondSize=" << (second ? second->width() : -1.0)
@@ -562,7 +570,8 @@ int main(int argc, char* argv[]) {
                 QCoreApplication::processEvents(QEventLoop::AllEvents, 50);
                 if (first->isVisible() || !second->isVisible() ||
                     !selected->loaded() || selected->treeModel()->visibleNodeCount() < 3 ||
-                    signalList->property("count").toInt() < 3) {
+                    signalList->property("count").toInt() < 3 ||
+                    valueList->property("count").toInt() < 3) {
                     fail("offline_signal_tree_lost_after_switch", 68);
                     return;
                 }
@@ -582,7 +591,7 @@ int main(int argc, char* argv[]) {
                 }
                 qInfo().noquote()
                     << "BROWSER_FLEET_ROUTING_PASS active_tab=QA_IED_B"
-                    << "offline_signals=visible"
+                    << "offline_signals=visible" << "model_values=visible"
                     << "switching=pass reindex=pass cross_ied_panel=false";
                 app.exit(0);
             });

From ed68748da9919f603a2082adeb9d0a43a143d757 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:14:54 +0700
Subject: [PATCH 11/43] test(qml): lock required model roles and observable
 Browser tree IDs

---
 apps/ied_simulator/test_browser_observation_workflow.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/apps/ied_simulator/test_browser_observation_workflow.py b/apps/ied_simulator/test_browser_observation_workflow.py
index f41d0b4b2..060ad2202 100644
--- a/apps/ied_simulator/test_browser_observation_workflow.py
+++ b/apps/ied_simulator/test_browser_observation_workflow.py
@@ -30,6 +30,9 @@ def require(source: str, tokens: tuple[str, ...], label: str) -> None:
         'text: "Model values"',
         'text: root.client.operationBusy ? "Reading…" : "Read visible"',
         "model: root.modelProvider.treeModel",
+        'objectName: "iedBrowserValueTable"',
+        "required property int index",
+        "required property var model",
         "root.refreshCurrentVisible(root.firstVisibleRow(), root.lastVisibleRow())",
         'text: "OBSERVED VALUE"',
         'text: "ENGINEERING IDENTITY"',

From b649c71d3752966be8b0f1fc4a8e4f9b2e63c7cf Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:14:56 +0700
Subject: [PATCH 12/43] test(qml): lock required model roles and observable
 Browser tree IDs

---
 apps/ied_simulator/test_browser_convergence.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/apps/ied_simulator/test_browser_convergence.py b/apps/ied_simulator/test_browser_convergence.py
index 82e4824ce..e4025ca43 100644
--- a/apps/ied_simulator/test_browser_convergence.py
+++ b/apps/ied_simulator/test_browser_convergence.py
@@ -28,6 +28,9 @@
     'title: "DataSets"',
     'title: "Data Model"',
     'context.treeModel',
+    'objectName: "iedBrowserSignalTree"',
+    'required property int index',
+    'required property var model',
 ]
 status_required = [
     'readonly property int maximumEntries: 80',

From cd5551bd9b63a78c4fbbc1dc349325d084018a5d Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:16:39 +0700
Subject: [PATCH 13/43] test(browser): verify all live service pointers match
 selected IED slot

---
 apps/ied_simulator/src/main.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/apps/ied_simulator/src/main.cpp b/apps/ied_simulator/src/main.cpp
index a093b2477..7aee6dbaa 100644
--- a/apps/ied_simulator/src/main.cpp
+++ b/apps/ied_simulator/src/main.cpp
@@ -517,7 +517,13 @@ int main(int argc, char* argv[]) {
                         selected->treeModel()->totalNodeCount() >= 5 &&
                         selected->treeModel()->visibleNodeCount() >= 3 &&
                         second->width() >= 100 && second->height() >= 100 &&
-                        second->property("context").value<QObject*>() == selected;
+                        second->property("context").value<QObject*>() == selected &&
+                        second->property("client").value<QObject*>() == fleet->clientAt(1) &&
+                        second->property("session").value<QObject*>() == fleet->sessionAt(1) &&
+                        second->property("reports").value<QObject*>() == fleet->reportsAt(1) &&
+                        second->property("utilities").value<QObject*>() == fleet->utilitiesAt(1) &&
+                        second->property("controls").value<QObject*>() == fleet->controlsAt(1) &&
+                        second->property("engineering").value<QObject*>() == fleet->engineeringAt(1);
                 };
 
                 QElapsedTimer routingSettle;
@@ -549,6 +555,10 @@ int main(int argc, char* argv[]) {
                         << "selectedIed=" << (selected ? selected->iedName() : QStringLiteral("<null>"))
                         << "totalNodes=" << (selected ? selected->treeModel()->totalNodeCount() : -1)
                         << "visibleNodes=" << (selected ? selected->treeModel()->visibleNodeCount() : -1)
+                        << "clientMatch=" << (second && fleet->clientAt(1)
+                            ? second->property("client").value<QObject*>() == fleet->clientAt(1) : false)
+                        << "sessionMatch=" << (second && fleet->sessionAt(1)
+                            ? second->property("session").value<QObject*>() == fleet->sessionAt(1) : false)
                         << "contextMatch=" << (second && selected
                             ? second->property("context").value<QObject*>() == selected : false);
                     fail("active_tab_panel_or_offline_signals_mismatch", 64);

From f092db2c478535dcc8566f9ac4c23ab6c10df992 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:17:48 +0700
Subject: [PATCH 14/43] test(qml): expose rendered model value label for
 nonblank GUI assertion

---
 apps/ied_simulator/qml/MmsClientWorkspace.qml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/apps/ied_simulator/qml/MmsClientWorkspace.qml b/apps/ied_simulator/qml/MmsClientWorkspace.qml
index c3ad44a05..dc03ce94e 100644
--- a/apps/ied_simulator/qml/MmsClientWorkspace.qml
+++ b/apps/ied_simulator/qml/MmsClientWorkspace.qml
@@ -488,6 +488,7 @@ Item {
                                             }
                                         }
                                         Label {
+                                            objectName: "iedBrowserValueName_" + valueRow.index
                                             Layout.fillWidth: true
                                             text: model.label
                                             color: theme.text

From 21dc6df93086767a94a73f746d7498eb22863d6e Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:18:03 +0700
Subject: [PATCH 15/43] test(browser): fail rendered QA when first model value
 label is blank

---
 apps/ied_simulator/src/main.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/apps/ied_simulator/src/main.cpp b/apps/ied_simulator/src/main.cpp
index 7aee6dbaa..86cf05c5d 100644
--- a/apps/ied_simulator/src/main.cpp
+++ b/apps/ied_simulator/src/main.cpp
@@ -504,6 +504,14 @@ int main(int argc, char* argv[]) {
                 auto* const valueList = second
                     ? second->findChild<QQuickItem*>(QStringLiteral("iedBrowserValueTable"))
                     : nullptr;
+                // A non-empty ListView is not sufficient: verify the rendered
+                // delegate's actual Name label resolves from the model role.
+                const auto firstValueText = [valueList]() -> QString {
+                    if (!valueList) return {};
+                    auto* const name = valueList->findChild<QObject*>(
+                        QStringLiteral("iedBrowserValueName_0"));
+                    return name ? name->property("text").toString() : QString{};
+                };
 
                 const auto renderedReady = [&]() {
                     return first && second && signalList && valueList && selected &&
@@ -511,6 +519,7 @@ int main(int argc, char* argv[]) {
                         signalList->width() >= 100 && signalList->isVisible() &&
                         valueList->property("count").toInt() >= 3 &&
                         valueList->width() >= 100 && valueList->isVisible() &&
+                        firstValueText() == QStringLiteral("QA_IED_B") &&
                         !first->isVisible() && second->isVisible() &&
                         selected->loaded() && !selected->online() &&
                         selected->iedName() == QStringLiteral("QA_IED_B") &&
@@ -544,6 +553,7 @@ int main(int argc, char* argv[]) {
                         << "valueList=" << static_cast<void*>(valueList)
                         << "valueCount=" << (valueList ? valueList->property("count").toInt() : -1)
                         << "valueVisible=" << (valueList ? valueList->isVisible() : false)
+                        << "firstValue=" << firstValueText()
                         << "firstVisible=" << (first ? first->isVisible() : false)
                         << "secondVisible=" << (second ? second->isVisible() : false)
                         << "secondSize=" << (second ? second->width() : -1.0)
@@ -601,7 +611,7 @@ int main(int argc, char* argv[]) {
                 }
                 qInfo().noquote()
                     << "BROWSER_FLEET_ROUTING_PASS active_tab=QA_IED_B"
-                    << "offline_signals=visible" << "model_values=visible"
+                    << "offline_signals=visible" << "model_values=visible" << "value_label=bound"
                     << "switching=pass reindex=pass cross_ied_panel=false";
                 app.exit(0);
             });

From 48739625c861acab581e057155efc309eeee9f09 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:18:11 +0700
Subject: [PATCH 16/43] test(browser): retain visible value label identity in
 observation contract

---
 apps/ied_simulator/test_browser_observation_workflow.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/apps/ied_simulator/test_browser_observation_workflow.py b/apps/ied_simulator/test_browser_observation_workflow.py
index 060ad2202..6a97d2827 100644
--- a/apps/ied_simulator/test_browser_observation_workflow.py
+++ b/apps/ied_simulator/test_browser_observation_workflow.py
@@ -31,6 +31,7 @@ def require(source: str, tokens: tuple[str, ...], label: str) -> None:
         'text: root.client.operationBusy ? "Reading…" : "Read visible"',
         "model: root.modelProvider.treeModel",
         'objectName: "iedBrowserValueTable"',
+        'objectName: "iedBrowserValueName_" + valueRow.index',
         "required property int index",
         "required property var model",
         "root.refreshCurrentVisible(root.firstVisibleRow(), root.lastVisibleRow())",

From 18e39772dd6d9d39e8056384c68644aaf321fa50 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:50:49 +0700
Subject: [PATCH 17/43] fix(qml): prevent File Home session self-binding loop

---
 apps/ied_simulator/qml/Main.qml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/ied_simulator/qml/Main.qml b/apps/ied_simulator/qml/Main.qml
index 501f3af68..90bc272af 100644
--- a/apps/ied_simulator/qml/Main.qml
+++ b/apps/ied_simulator/qml/Main.qml
@@ -290,7 +290,7 @@ ApplicationWindow {
                 theme: appTheme
                 workspace: sclWorkspace
                 hardening: hardening
-                browserSession: browserSession
+                browserSession: root.browserSession
                 context: iedContext
                 onBrowserRequested: root.workspaceIndex = 1
                 onOpenSourceRequested: function(fileUrl) {

From 24bba54925dec8d4dad3a0360936e308ad9cb507 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:50:53 +0700
Subject: [PATCH 18/43] fix(qml): guard transient DataSet selection before
 dereferencing ownership

---
 apps/ied_simulator/qml/BrowserDataSetPane.qml | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/apps/ied_simulator/qml/BrowserDataSetPane.qml b/apps/ied_simulator/qml/BrowserDataSetPane.qml
index 775345713..533c6a723 100644
--- a/apps/ied_simulator/qml/BrowserDataSetPane.qml
+++ b/apps/ied_simulator/qml/BrowserDataSetPane.qml
@@ -25,7 +25,7 @@ Rectangle {
         return context.treeModel.nodeForReference(reference)
     }
 
-    function hasValue(value) {
+    readonly property var selectedDataSet: reports && reports.dataSets\n        && reports.selectedDataSetIndex >= 0\n        && reports.selectedDataSetIndex < reports.dataSets.length\n        ? reports.dataSets[reports.selectedDataSetIndex] : null\n\n    function hasValue(value) {
         return value !== undefined && value !== null && String(value).length > 0
     }
 
@@ -66,16 +66,16 @@ Rectangle {
                 Layout.preferredWidth: 104
                 Layout.preferredHeight: 22
                 radius: 11
-                color: reports.dataSets[reports.selectedDataSetIndex].dynamicOwned === true
+                color: root.selectedDataSet !== null && root.selectedDataSet.dynamicOwned === true
                        ? theme.greenSoft : theme.surface
                 border.width: 1
-                border.color: reports.dataSets[reports.selectedDataSetIndex].dynamicOwned === true
+                border.color: root.selectedDataSet !== null && root.selectedDataSet.dynamicOwned === true
                               ? theme.green : theme.lineSoft
                 Label {
                     anchors.centerIn: parent
-                    text: reports.dataSets[reports.selectedDataSetIndex].dynamicOwned === true
+                    text: root.selectedDataSet !== null && root.selectedDataSet.dynamicOwned === true
                           ? "DYNAMIC OWNED" : "STATIC / READ-ONLY"
-                    color: reports.dataSets[reports.selectedDataSetIndex].dynamicOwned === true
+                    color: root.selectedDataSet !== null && root.selectedDataSet.dynamicOwned === true
                            ? theme.green : theme.muted
                     font.pixelSize: 7
                     font.weight: Font.Bold
@@ -83,7 +83,7 @@ Rectangle {
             }
             Label {
                 Layout.fillWidth: true
-                text: reports.dataSets[reports.selectedDataSetIndex].dynamicOwned === true
+                text: root.selectedDataSet !== null && root.selectedDataSet.dynamicOwned === true
                       ? "Created and verified on this live association; eligible for owned-only delete."
                       : "Membership is immutable in Browser authoring."
                 color: theme.muted

From 2f71067c1cd70f18c5119b055a97d5b3b796e15f Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:51:15 +0700
Subject: [PATCH 19/43] test(browser): traverse ListView visual children for
 rendered label assertion

---
 apps/ied_simulator/src/main.cpp | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/apps/ied_simulator/src/main.cpp b/apps/ied_simulator/src/main.cpp
index 86cf05c5d..678eb5068 100644
--- a/apps/ied_simulator/src/main.cpp
+++ b/apps/ied_simulator/src/main.cpp
@@ -504,13 +504,21 @@ int main(int argc, char* argv[]) {
                 auto* const valueList = second
                     ? second->findChild<QQuickItem*>(QStringLiteral("iedBrowserValueTable"))
                     : nullptr;
-                // A non-empty ListView is not sufficient: verify the rendered
-                // delegate's actual Name label resolves from the model role.
+                // ListView delegates are visual children of its contentItem.
+                // QObject::findChild does not reliably traverse that visual tree,
+                // so inspect QQuickItem::childItems instead of weakening the QA.
                 const auto firstValueText = [valueList]() -> QString {
                     if (!valueList) return {};
-                    auto* const name = valueList->findChild<QObject*>(
-                        QStringLiteral("iedBrowserValueName_0"));
-                    return name ? name->property("text").toString() : QString{};
+                    const auto target = QStringLiteral("iedBrowserValueName_0");
+                    QVector<QQuickItem*> pending{valueList};
+                    while (!pending.isEmpty()) {
+                        auto* const item = pending.takeLast();
+                        if (!item) continue;
+                        if (item->objectName() == target)
+                            return item->property("text").toString();
+                        for (auto* child : item->childItems()) pending.push_back(child);
+                    }
+                    return {};
                 };
 
                 const auto renderedReady = [&]() {
@@ -554,6 +562,8 @@ int main(int argc, char* argv[]) {
                         << "valueCount=" << (valueList ? valueList->property("count").toInt() : -1)
                         << "valueVisible=" << (valueList ? valueList->isVisible() : false)
                         << "firstValue=" << firstValueText()
+                        << "expectedValue=" << selected->treeModel()->data(
+                            selected->treeModel()->index(0, 0), MmsLiveTreeModel::LabelRole).toString()
                         << "firstVisible=" << (first ? first->isVisible() : false)
                         << "secondVisible=" << (second ? second->isVisible() : false)
                         << "secondSize=" << (second ? second->width() : -1.0)

From 0d322f0f5aceb9c088d741b309fdf88c74152bee Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:51:34 +0700
Subject: [PATCH 20/43] fix(qml): correct DataSet guard syntax and use safe
 selection throughout

---
 apps/ied_simulator/qml/BrowserDataSetPane.qml | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/apps/ied_simulator/qml/BrowserDataSetPane.qml b/apps/ied_simulator/qml/BrowserDataSetPane.qml
index 533c6a723..3d03cf05d 100644
--- a/apps/ied_simulator/qml/BrowserDataSetPane.qml
+++ b/apps/ied_simulator/qml/BrowserDataSetPane.qml
@@ -25,7 +25,12 @@ Rectangle {
         return context.treeModel.nodeForReference(reference)
     }
 
-    readonly property var selectedDataSet: reports && reports.dataSets\n        && reports.selectedDataSetIndex >= 0\n        && reports.selectedDataSetIndex < reports.dataSets.length\n        ? reports.dataSets[reports.selectedDataSetIndex] : null\n\n    function hasValue(value) {
+    readonly property var selectedDataSet: reports && reports.dataSets
+        && reports.selectedDataSetIndex >= 0
+        && reports.selectedDataSetIndex < reports.dataSets.length
+        ? reports.dataSets[reports.selectedDataSetIndex] : null
+
+    function hasValue(value) {
         return value !== undefined && value !== null && String(value).length > 0
     }
 
@@ -50,8 +55,8 @@ Rectangle {
 
         Label {
             Layout.fillWidth: true
-            text: reports.selectedDataSetIndex >= 0 && reports.selectedDataSetIndex < reports.dataSets.length
-                  ? root.text(reports.dataSets[reports.selectedDataSetIndex].reference)
+            text: root.selectedDataSet !== null
+                  ? root.text(root.selectedDataSet.reference)
                   : "Select a DataSet in the navigation tree."
             color: theme.textSoft
             font.pixelSize: theme.labelSize
@@ -60,8 +65,7 @@ Rectangle {
 
         RowLayout {
             Layout.fillWidth: true
-            visible: reports.selectedDataSetIndex >= 0
-                     && reports.selectedDataSetIndex < reports.dataSets.length
+            visible: root.selectedDataSet !== null
             Rectangle {
                 Layout.preferredWidth: 104
                 Layout.preferredHeight: 22

From aeefe1b56921a58a0f215c4f1589f36d6f3243b7 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:54:19 +0700
Subject: [PATCH 21/43] fix(qml): give confirmation dialogs explicit widths to
 avoid implicit sizing loops

---
 apps/ied_simulator/qml/BrowserDataSetAuthoringDialog.qml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/apps/ied_simulator/qml/BrowserDataSetAuthoringDialog.qml b/apps/ied_simulator/qml/BrowserDataSetAuthoringDialog.qml
index 282b7c7e6..a8baaca1c 100644
--- a/apps/ied_simulator/qml/BrowserDataSetAuthoringDialog.qml
+++ b/apps/ied_simulator/qml/BrowserDataSetAuthoringDialog.qml
@@ -285,6 +285,7 @@ Dialog {
 
     Dialog {
         id: createConfirm
+        width: 510
         title: "Confirm dynamic DataSet create"
         modal: true
         anchors.centerIn: Overlay.overlay
@@ -303,6 +304,7 @@ Dialog {
 
     Dialog {
         id: deleteDialog
+        width: 510
         title: "Confirm dynamic DataSet delete"
         modal: true
         anchors.centerIn: Overlay.overlay

From c821c58ad576eb2258db3ca175888460c4a2150d Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:54:22 +0700
Subject: [PATCH 22/43] fix(qml): give confirmation dialogs explicit widths to
 avoid implicit sizing loops

---
 apps/ied_simulator/qml/BrowserReportAuthoringDialog.qml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/apps/ied_simulator/qml/BrowserReportAuthoringDialog.qml b/apps/ied_simulator/qml/BrowserReportAuthoringDialog.qml
index f4fec65a4..6b6bb31a4 100644
--- a/apps/ied_simulator/qml/BrowserReportAuthoringDialog.qml
+++ b/apps/ied_simulator/qml/BrowserReportAuthoringDialog.qml
@@ -321,6 +321,7 @@ Dialog {
 
     Dialog {
         id: confirmEnable
+        width: 540
         title: "Confirm authored RCB enable"
         modal: true
         anchors.centerIn: Overlay.overlay

From f4a12d6f956cd535b2b6175c15367fd1f402949e Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:54:41 +0700
Subject: [PATCH 23/43] ci(browser): fail rendered milestone on QML binding and
 runtime errors

---
 .github/workflows/ied-simulator-qt.yml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ied-simulator-qt.yml b/.github/workflows/ied-simulator-qt.yml
index 6ff3fb5da..b6273d470 100644
--- a/.github/workflows/ied-simulator-qt.yml
+++ b/.github/workflows/ied-simulator-qt.yml
@@ -74,7 +74,13 @@ jobs:
       - name: P0 rendered fleet Browser and offline signal routing
         env:
           QT_QPA_PLATFORM: offscreen
-        run: ./build-ied-simulator-qt/arstack_ied_simulator --qa-browser-routing
+        run: |
+          set -o pipefail
+          ./build-ied-simulator-qt/arstack_ied_simulator --qa-browser-routing 2>&1 | tee browser-routing.log
+          if grep -E 'ReferenceError:|TypeError:|Binding loop detected' browser-routing.log; then
+            echo '::error::Qt Browser emitted an unresolved runtime binding diagnostic'
+            exit 1
+          fi
 
       - name: MMS client discovery workbench gates
         env:

From 4af3da4817204eb75600b38df4a5a657c9503a75 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:54:44 +0700
Subject: [PATCH 24/43] ci(browser): fail rendered milestone on QML binding and
 runtime errors

---
 .github/workflows/ied-simulator-release-hardening.yml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ied-simulator-release-hardening.yml b/.github/workflows/ied-simulator-release-hardening.yml
index 5285cdf7c..4b0daa8bc 100644
--- a/.github/workflows/ied-simulator-release-hardening.yml
+++ b/.github/workflows/ied-simulator-release-hardening.yml
@@ -45,7 +45,13 @@ jobs:
       - name: P0 rendered fleet Browser and offline signal routing
         env:
           QT_QPA_PLATFORM: offscreen
-        run: ./build-ied-simulator-release/arstack_ied_simulator --qa-browser-routing
+        run: |
+          set -o pipefail
+          ./build-ied-simulator-release/arstack_ied_simulator --qa-browser-routing 2>&1 | tee browser-routing.log
+          if grep -E 'ReferenceError:|TypeError:|Binding loop detected' browser-routing.log; then
+            echo '::error::Qt Browser emitted an unresolved runtime binding diagnostic'
+            exit 1
+          fi
 
       - name: MMS reconnect association soak
         env:

From 0d858cfb9a438277d49f7fa2e2424e18cd90fbac Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:57:12 +0700
Subject: [PATCH 25/43] fix(qml): normalize transient undefined DataSet entry
 to null

---
 apps/ied_simulator/qml/BrowserDataSetPane.qml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/ied_simulator/qml/BrowserDataSetPane.qml b/apps/ied_simulator/qml/BrowserDataSetPane.qml
index 3d03cf05d..54fb89cb7 100644
--- a/apps/ied_simulator/qml/BrowserDataSetPane.qml
+++ b/apps/ied_simulator/qml/BrowserDataSetPane.qml
@@ -28,7 +28,7 @@ Rectangle {
     readonly property var selectedDataSet: reports && reports.dataSets
         && reports.selectedDataSetIndex >= 0
         && reports.selectedDataSetIndex < reports.dataSets.length
-        ? reports.dataSets[reports.selectedDataSetIndex] : null
+        ? (reports.dataSets[reports.selectedDataSetIndex] || null) : null
 
     function hasValue(value) {
         return value !== undefined && value !== null && String(value).length > 0

From cab1eb01aed54e4a1de976ae15c0a4f2bf61d06d Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:58:36 +0700
Subject: [PATCH 26/43] ci: cancel superseded workbench Qt and release runs;
 validate exact head

---
 .github/workflows/ied-simulator-qt.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/ied-simulator-qt.yml b/.github/workflows/ied-simulator-qt.yml
index b6273d470..10d425ad1 100644
--- a/.github/workflows/ied-simulator-qt.yml
+++ b/.github/workflows/ied-simulator-qt.yml
@@ -38,6 +38,11 @@ on:
       - 'CMakeLists.txt'
       - '.github/workflows/ied-simulator-qt.yml'
 
+# Superseded commits must not occupy CI runners or mask the exact-head result.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 permissions:
   contents: read
 

From 35e97a77525264548f9d1f17e0a1767486ce0c29 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:58:39 +0700
Subject: [PATCH 27/43] ci: cancel superseded workbench Qt and release runs;
 validate exact head

---
 .github/workflows/ied-simulator-release-hardening.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/ied-simulator-release-hardening.yml b/.github/workflows/ied-simulator-release-hardening.yml
index 4b0daa8bc..eedc697aa 100644
--- a/.github/workflows/ied-simulator-release-hardening.yml
+++ b/.github/workflows/ied-simulator-release-hardening.yml
@@ -11,6 +11,11 @@ on:
       - 'apps/ied_simulator/**'
       - '.github/workflows/ied-simulator-release-hardening.yml'
 
+# Superseded commits must not occupy CI runners or mask the exact-head result.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 permissions:
   contents: read
 

From e53a35389cfdf99aa514bb49e53cda29a55ed9e6 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:59:11 +0700
Subject: [PATCH 28/43] test(browser): reject File session self-binding
 regression

---
 apps/ied_simulator/test_browser_delegate_bindings.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/apps/ied_simulator/test_browser_delegate_bindings.py b/apps/ied_simulator/test_browser_delegate_bindings.py
index 3e97fda54..198492e7c 100644
--- a/apps/ied_simulator/test_browser_delegate_bindings.py
+++ b/apps/ied_simulator/test_browser_delegate_bindings.py
@@ -15,6 +15,7 @@
 
 required_main = (
     "property var browserFleet: fleet",
+    "browserSession: root.browserSession",
     'id: perIedBrowserHost',
     'objectName: "iedBrowserView_" + index',
     "anchors.fill: parent",
@@ -37,6 +38,7 @@
     line == "fleet: fleet"
     or line.startswith("session: fleet.")
     or line.startswith("client: fleet.")
+    or line == "browserSession: browserSession"
     for line in delegate_lines
 ):
     raise SystemExit("BROWSER_DELEGATE_FAIL self-binding fleet authority")

From 48728708a29d02546b30a7085a30a4e74f9b6867 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 09:59:20 +0700
Subject: [PATCH 29/43] test(browser): enforce null-safe DataSet ownership
 binding

---
 apps/ied_simulator/test_browser_observation_workflow.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/apps/ied_simulator/test_browser_observation_workflow.py b/apps/ied_simulator/test_browser_observation_workflow.py
index 6a97d2827..2fe226684 100644
--- a/apps/ied_simulator/test_browser_observation_workflow.py
+++ b/apps/ied_simulator/test_browser_observation_workflow.py
@@ -48,6 +48,9 @@ def require(source: str, tokens: tuple[str, ...], label: str) -> None:
     datasets,
     (
         "context.treeModel.nodeForReference(reference)",
+        "readonly property var selectedDataSet:",
+        "(reports.dataSets[reports.selectedDataSetIndex] || null)",
+        "root.selectedDataSet !== null",
         "root.client.refreshEngineeringReferences(reports.selectedDataSetMembers)",
         "signal inspectRequested(string reference)",
         'text: "Ordered members and observed values"',
@@ -68,6 +71,9 @@ def require(source: str, tokens: tuple[str, ...], label: str) -> None:
     "browser routing",
 )
 
+if "reports.dataSets[reports.selectedDataSetIndex].dynamicOwned" in datasets:
+    raise SystemExit("BROWSER_OBSERVATION_FAIL unguarded DataSet ownership selection")
+
 if "ListModel {" in inspector or "ListModel {" in datasets:
     raise SystemExit(
         "BROWSER_OBSERVATION_FAIL canonical projection duplicated into a QML ListModel"

From 08b9ac9047414d4f9b411812df5a67ddd7218993 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 11:25:14 +0700
Subject: [PATCH 30/43] fix(fleet): defer retired QObject services until QML
 Repeater visual teardown

---
 .../src/IedBrowserFleetController.cpp             | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/apps/ied_simulator/src/IedBrowserFleetController.cpp b/apps/ied_simulator/src/IedBrowserFleetController.cpp
index 1a8b0dd7b..f844a48c1 100644
--- a/apps/ied_simulator/src/IedBrowserFleetController.cpp
+++ b/apps/ied_simulator/src/IedBrowserFleetController.cpp
@@ -1,6 +1,8 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
 #include "IedBrowserFleetController.hpp"
 
+#include <QTimer>
+
 #include <algorithm>
 #include <utility>
 
@@ -260,8 +262,15 @@ bool IedBrowserFleetController::closeWorkspace(const int index) {
     if (activeIndex_ > index) --activeIndex_;
     else if (activeIndex_ == index) activeIndex_ = std::min(index, workspaceCount() - 1);
     emit activeChanged();
-    // Retire services only AFTER Qt views process the row removal and all
-    // active QObject bindings have been retargeted away from the removed IED.
-    retired.reset();
+    // QML Repeater removal and its nested delegates may finish after
+    // endRemoveRows() returns. Destroying QObject services synchronously here
+    // nulls dozens of still-live required QML properties, even though the
+    // remaining IED and its canonical model are correct. Keep this Entry alive
+    // through the next event-loop turn so visual teardown can complete.
+    // Capture a copyable shared owner because Qt stores the callback.
+    const auto retiredLifetime = std::shared_ptr<Entry>(std::move(retired));
+    QTimer::singleShot(0, this, [retiredLifetime] {
+        // The lifetime guard is released after queued QML delegate removal.
+    });
     return true;
 }

From 4e93973d3b36fa46a0fa14c7a015512dfccd10b1 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 11:25:23 +0700
Subject: [PATCH 31/43] test(fleet): require deferred visual-safe service
 retirement

---
 apps/ied_simulator/test_multi_ied_workspace.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/apps/ied_simulator/test_multi_ied_workspace.py b/apps/ied_simulator/test_multi_ied_workspace.py
index 117ba5cc2..e767cd4e8 100644
--- a/apps/ied_simulator/test_multi_ied_workspace.py
+++ b/apps/ied_simulator/test_multi_ied_workspace.py
@@ -39,7 +39,8 @@ def require(haystack, words, label):
     "entry->reports->cleanupRequired()",
     "activeEngineering()->adoptSourceFrom(*original->engineering)",
     "auto retired = std::move(entries_[static_cast<std::size_t>(index)])",
-    "retired.reset();",
+    "std::shared_ptr<Entry>(std::move(retired))",
+    "QTimer::singleShot(0, this, [retiredLifetime]",
 ), "fleet authority")
 require(fleet_hpp, (
     "QAbstractListModel",

From fe1e41ba41902793425bfc0be97d5415bbbd5456 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 11:26:42 +0700
Subject: [PATCH 32/43] fix(browser): detach QML delegates before fleet
 destruction

---
 apps/ied_simulator/qml/Main.qml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/apps/ied_simulator/qml/Main.qml b/apps/ied_simulator/qml/Main.qml
index 90bc272af..ea6b51da8 100644
--- a/apps/ied_simulator/qml/Main.qml
+++ b/apps/ied_simulator/qml/Main.qml
@@ -134,6 +134,13 @@ ApplicationWindow {
         }
     }
 
+    // Detach rendered Browser delegates while their per-IED service owners
+    // remain alive. Destroying the fleet first during application exit
+    // otherwise nulls nested QML properties and raises runtime TypeErrors.
+    function prepareForShutdown() {
+        iedBrowserRepeater.model = null
+    }
+
     function importModel() { sclDialog.open() }
 
     Shortcut { sequence: "Ctrl+1"; onActivated: root.workspaceIndex = 0 }

From b883d55842f343be8cc36e8cf4e01ad6af283d67 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 11:26:51 +0700
Subject: [PATCH 33/43] fix(browser): detach QML fleet views in aboutToQuit
 before C++ teardown

---
 apps/ied_simulator/src/main.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/apps/ied_simulator/src/main.cpp b/apps/ied_simulator/src/main.cpp
index 678eb5068..ea06a34ba 100644
--- a/apps/ied_simulator/src/main.cpp
+++ b/apps/ied_simulator/src/main.cpp
@@ -151,6 +151,11 @@ int main(int argc, char* argv[]) {
 
     if (!engine.rootObjects().isEmpty()) {
         auto* const rootObject = engine.rootObjects().constFirst();
+        // Qt Quick views must detach before their C++ per-IED services die,
+        // including when the user closes the application window normally.
+        QObject::connect(&app, &QCoreApplication::aboutToQuit, rootObject, [rootObject] {
+            QMetaObject::invokeMethod(rootObject, "prepareForShutdown");
+        });
         auto* const backend = rootObject->findChild<QObject*>(QStringLiteral("simulatorBackend"));
         int defaultPort = 102;
         if (backend != nullptr && parser.isSet(portOption)) {

From d06716adfa26a71e0fcfa20f7f050fca0dca66ea Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 11:27:03 +0700
Subject: [PATCH 34/43] test(browser): preserve shutdown delegate-detach
 contract

---
 apps/ied_simulator/test_browser_delegate_bindings.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/apps/ied_simulator/test_browser_delegate_bindings.py b/apps/ied_simulator/test_browser_delegate_bindings.py
index 198492e7c..cd550d3a0 100644
--- a/apps/ied_simulator/test_browser_delegate_bindings.py
+++ b/apps/ied_simulator/test_browser_delegate_bindings.py
@@ -15,6 +15,8 @@
 
 required_main = (
     "property var browserFleet: fleet",
+    "function prepareForShutdown()",
+    "iedBrowserRepeater.model = null",
     "browserSession: root.browserSession",
     'id: perIedBrowserHost',
     'objectName: "iedBrowserView_" + index',

From ca040f0966de84dc01be031b66badd73ffc5999f Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 11:28:07 +0700
Subject: [PATCH 35/43] ci(release): gate Windows RC artifacts on rendered
 Browser acceptance

---
 .github/workflows/ied-simulator-release-hardening.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/ied-simulator-release-hardening.yml b/.github/workflows/ied-simulator-release-hardening.yml
index eedc697aa..2800850ce 100644
--- a/.github/workflows/ied-simulator-release-hardening.yml
+++ b/.github/workflows/ied-simulator-release-hardening.yml
@@ -75,6 +75,8 @@ jobs:
           --cycles 12
 
   windows-release-package:
+    # Do not publish a Windows RC if rendered Linux Browser QA is red.
+    needs: linux-release-soak
     runs-on: windows-2025
     steps:
       - uses: actions/checkout@v4

From fcb2c0ab44384a55434db3f2a30c51b1ad3f04e3 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 11:35:20 +0700
Subject: [PATCH 36/43] fix(qml): freeze per-IED service bindings at delegate
 creation across reindex/removal

---
 apps/ied_simulator/qml/Main.qml | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/apps/ied_simulator/qml/Main.qml b/apps/ied_simulator/qml/Main.qml
index ea6b51da8..4009828fa 100644
--- a/apps/ied_simulator/qml/Main.qml
+++ b/apps/ied_simulator/qml/Main.qml
@@ -475,6 +475,18 @@ ApplicationWindow {
                                 model: root.browserFleet
                                 IedBrowserWorkspace {
                                     required property int index
+                                    // One independently owned controller set belongs to this
+                                    // delegate for its entire lifetime. Repeater reindex/removal
+                                    // must NEVER rebind an outgoing IED to another slot or null.
+                                    Component.onCompleted: {
+                                        session = root.browserFleet.sessionAt(index)
+                                        client = root.browserFleet.clientAt(index)
+                                        context = root.browserFleet.contextAt(index)
+                                        reports = root.browserFleet.reportsAt(index)
+                                        utilities = root.browserFleet.utilitiesAt(index)
+                                        controls = root.browserFleet.controlsAt(index)
+                                        engineering = root.browserFleet.engineeringAt(index)
+                                    }
                                     objectName: "iedBrowserView_" + index
                                     anchors.fill: parent
                                     visible: index === root.browserFleet.activeIndex

From c33e7d28181853bc4fb76706ea1e3b09d7961b21 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 11:35:31 +0700
Subject: [PATCH 37/43] fix(fleet): keep removed IED services alive through
 visual teardown frame

---
 apps/ied_simulator/src/IedBrowserFleetController.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/apps/ied_simulator/src/IedBrowserFleetController.cpp b/apps/ied_simulator/src/IedBrowserFleetController.cpp
index f844a48c1..86ffa888b 100644
--- a/apps/ied_simulator/src/IedBrowserFleetController.cpp
+++ b/apps/ied_simulator/src/IedBrowserFleetController.cpp
@@ -269,8 +269,11 @@ bool IedBrowserFleetController::closeWorkspace(const int index) {
     // through the next event-loop turn so visual teardown can complete.
     // Capture a copyable shared owner because Qt stores the callback.
     const auto retiredLifetime = std::shared_ptr<Entry>(std::move(retired));
-    QTimer::singleShot(0, this, [retiredLifetime] {
-        // The lifetime guard is released after queued QML delegate removal.
+    // Let the Qt Quick removal complete through a rendered frame before the
+    // old controller set is retired. This is a bounded teardown grace period,
+    // not a timer for MMS requests or reporting.
+    QTimer::singleShot(50, this, [retiredLifetime] {
+        // The retired Entry dies after the old visual delegate is detached.
     });
     return true;
 }

From d64d4b97315909ae7d077bdc05648260d45f1a0c Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 11:35:43 +0700
Subject: [PATCH 38/43] test(browser): lock per-slot service snapshots against
 Repeater reindex

---
 apps/ied_simulator/test_browser_delegate_bindings.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/apps/ied_simulator/test_browser_delegate_bindings.py b/apps/ied_simulator/test_browser_delegate_bindings.py
index cd550d3a0..1e2cfc0cf 100644
--- a/apps/ied_simulator/test_browser_delegate_bindings.py
+++ b/apps/ied_simulator/test_browser_delegate_bindings.py
@@ -23,6 +23,13 @@
     "anchors.fill: parent",
     "visible: index === root.browserFleet.activeIndex",
     "fleet: root.browserFleet",
+    "session = root.browserFleet.sessionAt(index)",
+    "client = root.browserFleet.clientAt(index)",
+    "context = root.browserFleet.contextAt(index)",
+    "reports = root.browserFleet.reportsAt(index)",
+    "utilities = root.browserFleet.utilitiesAt(index)",
+    "controls = root.browserFleet.controlsAt(index)",
+    "engineering = root.browserFleet.engineeringAt(index)",
     "session: root.browserFleet.sessionAt(index)",
     "client: root.browserFleet.clientAt(index)",
     "context: root.browserFleet.contextAt(index)",

From 8b077f5e7e3f16d0d9a0c13559dbfb5ec67b74a8 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 11:36:14 +0700
Subject: [PATCH 39/43] test(fleet): track bounded visual teardown grace period

---
 apps/ied_simulator/test_multi_ied_workspace.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/ied_simulator/test_multi_ied_workspace.py b/apps/ied_simulator/test_multi_ied_workspace.py
index e767cd4e8..72b5e23cd 100644
--- a/apps/ied_simulator/test_multi_ied_workspace.py
+++ b/apps/ied_simulator/test_multi_ied_workspace.py
@@ -40,7 +40,7 @@ def require(haystack, words, label):
     "activeEngineering()->adoptSourceFrom(*original->engineering)",
     "auto retired = std::move(entries_[static_cast<std::size_t>(index)])",
     "std::shared_ptr<Entry>(std::move(retired))",
-    "QTimer::singleShot(0, this, [retiredLifetime]",
+    "QTimer::singleShot(50, this, [retiredLifetime]",
 ), "fleet authority")
 require(fleet_hpp, (
     "QAbstractListModel",

From 0f581c8a491aebbe59dac9b0be479c2049fc78bd Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 18:55:24 +0700
Subject: [PATCH 40/43] feat(browser-ux): compact two-row IEDScout-style model
 and connection command bar

---
 .../ied_simulator/qml/IedBrowserWorkspace.qml | 288 +++++++++---------
 1 file changed, 152 insertions(+), 136 deletions(-)

diff --git a/apps/ied_simulator/qml/IedBrowserWorkspace.qml b/apps/ied_simulator/qml/IedBrowserWorkspace.qml
index e7cc21e54..e31c7c291 100644
--- a/apps/ied_simulator/qml/IedBrowserWorkspace.qml
+++ b/apps/ied_simulator/qml/IedBrowserWorkspace.qml
@@ -121,163 +121,179 @@ Item {
         anchors.fill: parent
         spacing: 0
 
+        // Two distinct, compact tool rows keep every label and command visible
+        // at the supported 1024px window width. The old single RowLayout was
+        // wider than its container, leaving ghost/blank controls in the GUI.
         Rectangle {
             Layout.fillWidth: true
-            Layout.preferredHeight: 68
+            Layout.preferredHeight: 96
             color: root.theme.chrome
             border.width: 1
             border.color: root.theme.lineSoft
 
-            RowLayout {
+            ColumnLayout {
                 anchors.fill: parent
-                anchors.leftMargin: 14
-                anchors.rightMargin: 14
-                spacing: 8
+                anchors.leftMargin: 12
+                anchors.rightMargin: 12
+                anchors.topMargin: 7
+                anchors.bottomMargin: 7
+                spacing: 5
 
-                ColumnLayout {
-                    Layout.preferredWidth: 168
-                    spacing: 1
-                    Label {
-                        text: "MODEL"
-                        color: root.theme.text
-                        font.pixelSize: root.theme.labelSize
-                        font.weight: Font.DemiBold
-                    }
-                    Label {
-                        text: context.loaded
-                              ? root.activeIedLabel() + " · " + context.authority
-                              : "Open SCL or discover one IED endpoint"
-                        color: root.theme.muted
-                        font.pixelSize: root.theme.captionSize
-                    }
-                }
-
-                ActionButton {
-                    theme: root.theme
-                    text: "Open SCL"
-                    enabled: !session.configurationLocked && !engineering.busy
-                    onClicked: browserSclDialog.open()
-                    ToolTip.visible: hovered
-                    ToolTip.text: "Open SCL/CID/SCD/IID/ICD into the persistent Browser model."
-                }
-
-                ActionButton {
-                    theme: root.theme
-                    text: engineering.busy ? "Saving…" : "Save SCL"
-                    visible: context.loaded && context.authorityKey === "live-discovery"
-                    enabled: engineering.engineeringContextExportSupported
-                             && !engineering.busy
-                    onClicked: saveSclDialog.open()
-                    ToolTip.visible: hovered
-                    ToolTip.text: context.online
-                                  ? "Save the cached canonical IED model locally; no rediscovery is performed."
-                                  : "Save the persistent canonical IED model while offline."
-                }
-
-                TextField {
-                    id: hostField
-                    Layout.preferredWidth: 190
-                    text: session.host
-                    placeholderText: "IED IP / hostname"
-                    selectByMouse: true
-                    enabled: !session.configurationLocked
-                    onEditingFinished: session.host = text
-                }
-
-                SpinBox {
-                    id: portField
-                    Layout.preferredWidth: 102
-                    from: 1
-                    to: 65535
-                    value: session.port
-                    editable: true
-                    enabled: !session.configurationLocked
-                    onValueModified: session.port = value
-                }
+                RowLayout {
+                    Layout.fillWidth: true
+                    Layout.preferredHeight: 35
+                    spacing: 8
 
-                ActionButton {
-                    theme: root.theme
-                    text: "Online"
-                    visible: context.loaded
-                    enabled: !session.connected && !session.busy && !context.selectionRequired
-                    primary: enabled
-                    onClicked: {
-                        session.host = hostField.text
-                        session.port = portField.value
-                        session.connectUsingEngineeringContext()
+                    ColumnLayout {
+                        Layout.preferredWidth: 240
+                        spacing: 1
+                        Label {
+                            text: "MODEL"
+                            color: root.theme.text
+                            font.pixelSize: root.theme.labelSize
+                            font.weight: Font.DemiBold
+                        }
+                        Label {
+                            Layout.fillWidth: true
+                            text: context.loaded
+                                  ? root.activeIedLabel() + " · " + context.authority
+                                  : "Open SCL or discover one IED endpoint"
+                            color: root.theme.muted
+                            font.pixelSize: root.theme.captionSize
+                            elide: Text.ElideRight
+                        }
                     }
-                    ToolTip.visible: hovered
-                    ToolTip.text: context.authorityKey === "scl"
-                                  ? "Connect using the active trusted SCL model."
-                                  : "Reconnect/discover the active IED endpoint."
-                }
 
-                ActionButton {
-                    theme: root.theme
-                    text: session.busy && !session.connected ? "Discovering…" : "Discover IED"
-                    enabled: !session.connected && !session.busy
-                    onClicked: {
-                        session.host = hostField.text
-                        session.port = portField.value
-                        session.discoverAndConnect()
+                    ActionButton {
+                        theme: root.theme
+                        text: "Open SCL"
+                        enabled: !session.configurationLocked && !engineering.busy
+                        onClicked: browserSclDialog.open()
+                        ToolTip.visible: hovered
+                        ToolTip.text: "Open SCL/CID/SCD/IID/ICD into the persistent Browser model."
                     }
-                    ToolTip.visible: hovered
-                    ToolTip.text: "Ignore trusted SCL for this connect, discover the live MMS model, and publish it into this Browser context."
-                }
-
-                ActionButton {
-                    theme: root.theme
-                    text: "Disconnect"
-                    enabled: session.connected || session.busy
-                    danger: true
-                    onClicked: session.disconnectFromIed()
-                }
-
-                Rectangle {
-                    width: 8
-                    height: 8
-                    radius: 4
-                    color: session.lastError.length ? root.theme.red
-                                                   : session.connected ? root.theme.green
-                                                                       : session.busy ? root.theme.amber
-                                                                                      : root.theme.muted
-                }
-
-                ColumnLayout {
-                    spacing: 0
-                    Label {
-                        text: session.stateText
-                        color: session.lastError.length ? root.theme.red : root.theme.textSoft
-                        font.pixelSize: root.theme.labelSize
-                        font.weight: Font.DemiBold
+                    ActionButton {
+                        theme: root.theme
+                        text: engineering.busy ? "Saving…" : "Save SCL"
+                        visible: context.loaded && context.authorityKey === "live-discovery"
+                        enabled: engineering.engineeringContextExportSupported && !engineering.busy
+                        onClicked: saveSclDialog.open()
+                        ToolTip.visible: hovered
+                        ToolTip.text: "Save the cached canonical IED model locally; no rediscovery is performed."
                     }
-                    Label {
-                        text: session.endpoint
-                        color: root.theme.muted
-                        font.pixelSize: root.theme.captionSize
+                    Item { Layout.fillWidth: true }
+                    ColumnLayout {
+                        visible: context.loaded
+                        spacing: 0
+                        Label {
+                            Layout.alignment: Qt.AlignRight
+                            text: context.iedName.length ? context.iedName
+                                  : context.selectionRequired ? "Select active IED" : "IED model"
+                            color: root.theme.text
+                            font.pixelSize: root.theme.labelSize
+                            font.weight: Font.DemiBold
+                        }
+                        Label {
+                            Layout.alignment: Qt.AlignRight
+                            text: context.logicalDeviceCount + " LD · " + context.logicalNodeCount + " LN · "
+                                  + context.dataAttributeCount + " DA · "
+                                  + (context.online ? "ONLINE" : "OFFLINE")
+                            color: root.theme.muted
+                            font.pixelSize: root.theme.captionSize
+                        }
                     }
                 }
 
-                Item { Layout.fillWidth: true }
+                RowLayout {
+                    Layout.fillWidth: true
+                    Layout.preferredHeight: 37
+                    spacing: 8
 
-                ColumnLayout {
-                    visible: context.loaded
-                    spacing: 0
                     Label {
-                        Layout.alignment: Qt.AlignRight
-                        text: context.iedName.length ? context.iedName
-                              : context.selectionRequired ? "Select active IED" : "IED model"
-                        color: root.theme.text
-                        font.pixelSize: root.theme.labelSize
-                        font.weight: Font.DemiBold
+                        text: "IED endpoint"
+                        color: root.theme.textSoft
+                        font.pixelSize: root.theme.captionSize
+                    }
+                    TextField {
+                        id: hostField
+                        Layout.preferredWidth: 190
+                        placeholderText: "IED IP / hostname"
+                        text: session.host
+                        selectByMouse: true
+                        enabled: !session.configurationLocked
+                        onEditingFinished: session.host = text
+                    }
+                    SpinBox {
+                        id: portField
+                        Layout.preferredWidth: 102
+                        from: 1
+                        to: 65535
+                        value: session.port
+                        editable: true
+                        enabled: !session.configurationLocked
+                        onValueModified: session.port = value
+                    }
+                    ActionButton {
+                        theme: root.theme
+                        text: "Online"
+                        visible: context.loaded && !session.connected
+                        enabled: !session.busy && !context.selectionRequired
+                        primary: enabled
+                        onClicked: {
+                            session.host = hostField.text
+                            session.port = portField.value
+                            session.connectUsingEngineeringContext()
+                        }
+                        ToolTip.visible: hovered
+                        ToolTip.text: context.authorityKey === "scl"
+                                      ? "Connect using the active trusted SCL model."
+                                      : "Reconnect/discover the active IED endpoint."
+                    }
+                    ActionButton {
+                        theme: root.theme
+                        text: session.busy && !session.connected ? "Discovering…" : "Discover IED"
+                        visible: !session.connected
+                        enabled: !session.busy
+                        onClicked: {
+                            session.host = hostField.text
+                            session.port = portField.value
+                            session.discoverAndConnect()
+                        }
+                        ToolTip.visible: hovered
+                        ToolTip.text: "Discover the live MMS model and publish it into this Browser context."
+                    }
+                    ActionButton {
+                        theme: root.theme
+                        text: "Disconnect"
+                        visible: session.connected || session.busy
+                        enabled: session.connected || session.busy
+                        danger: true
+                        onClicked: session.disconnectFromIed()
+                    }
+                    Rectangle {
+                        width: 7
+                        height: 7
+                        radius: 4
+                        color: session.lastError.length ? root.theme.red
+                                                       : session.connected ? root.theme.green
+                                                                           : session.busy ? root.theme.amber
+                                                                                          : root.theme.muted
                     }
                     Label {
-                        Layout.alignment: Qt.AlignRight
-                        text: context.logicalDeviceCount + " LD · " + context.logicalNodeCount + " LN · "
-                              + context.dataAttributeCount + " DA · "
-                              + (context.online ? "ONLINE" : "OFFLINE")
-                        color: root.theme.muted
+                        Layout.fillWidth: true
+                        text: session.lastError.length ? session.lastError
+                              : session.stateText + (session.endpoint.length ? " · " + session.endpoint : "")
+                        color: session.lastError.length ? root.theme.red : root.theme.textSoft
                         font.pixelSize: root.theme.captionSize
+                        elide: Text.ElideRight
+                        ToolTip.visible: sessionStatusMouse.containsMouse
+                        ToolTip.text: text
+                        MouseArea {
+                            id: sessionStatusMouse
+                            anchors.fill: parent
+                            hoverEnabled: true
+                            acceptedButtons: Qt.NoButton
+                        }
                     }
                 }
             }

From a7ed2bb606ee5c7db595832adb2b13bc96b331fd Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 18:56:02 +0700
Subject: [PATCH 41/43] test(browser-ux): expose command-bar and endpoint
 geometry for minimum-width rendered QA

---
 apps/ied_simulator/qml/IedBrowserWorkspace.qml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/apps/ied_simulator/qml/IedBrowserWorkspace.qml b/apps/ied_simulator/qml/IedBrowserWorkspace.qml
index e31c7c291..496bf6c27 100644
--- a/apps/ied_simulator/qml/IedBrowserWorkspace.qml
+++ b/apps/ied_simulator/qml/IedBrowserWorkspace.qml
@@ -126,6 +126,8 @@ Item {
         // wider than its container, leaving ghost/blank controls in the GUI.
         Rectangle {
             Layout.fillWidth: true
+            id: browserCommandBar
+            objectName: "iedBrowserCommandBar"
             Layout.preferredHeight: 96
             color: root.theme.chrome
             border.width: 1
@@ -216,6 +218,7 @@ Item {
                     }
                     TextField {
                         id: hostField
+                        objectName: "iedBrowserHostField"
                         Layout.preferredWidth: 190
                         placeholderText: "IED IP / hostname"
                         text: session.host
@@ -225,6 +228,7 @@ Item {
                     }
                     SpinBox {
                         id: portField
+                        objectName: "iedBrowserPortField"
                         Layout.preferredWidth: 102
                         from: 1
                         to: 65535
@@ -280,6 +284,7 @@ Item {
                                                                                           : root.theme.muted
                     }
                     Label {
+                        objectName: "iedBrowserSessionStatus"
                         Layout.fillWidth: true
                         text: session.lastError.length ? session.lastError
                               : session.stateText + (session.endpoint.length ? " · " + session.endpoint : "")

From 1c3e3c55b86a65224255d57cb0f1376aa3fef1dd Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 18:56:21 +0700
Subject: [PATCH 42/43] test(browser-ux): render 1024px minimum width and
 assert endpoint command bar fits

---
 apps/ied_simulator/src/main.cpp | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/apps/ied_simulator/src/main.cpp b/apps/ied_simulator/src/main.cpp
index ea06a34ba..929edae80 100644
--- a/apps/ied_simulator/src/main.cpp
+++ b/apps/ied_simulator/src/main.cpp
@@ -485,6 +485,9 @@ int main(int argc, char* argv[]) {
                     fail("second_source", 63);
                     return;
                 }
+                // Exercise the actual minimum supported desktop width, not
+                // just the 1360px default where overfull toolbars appear fine.
+                rootObject->setProperty("width", 1024);
                 rootObject->setProperty("workspaceIndex", 1);
                 rootObject->setProperty("allIedMonitor", false);
                 QCoreApplication::processEvents(QEventLoop::AllEvents, 50);
@@ -503,6 +506,28 @@ int main(int argc, char* argv[]) {
                 auto* const first = browserViewAt(0);
                 auto* const second = browserViewAt(1);
                 auto* const selected = fleet->contextAt(1);
+                auto* const commandBar = second
+                    ? second->findChild<QQuickItem*>(QStringLiteral("iedBrowserCommandBar"))
+                    : nullptr;
+                auto* const hostField = second
+                    ? second->findChild<QQuickItem*>(QStringLiteral("iedBrowserHostField"))
+                    : nullptr;
+                auto* const portField = second
+                    ? second->findChild<QQuickItem*>(QStringLiteral("iedBrowserPortField"))
+                    : nullptr;
+                auto* const sessionStatus = second
+                    ? second->findChild<QQuickItem*>(QStringLiteral("iedBrowserSessionStatus"))
+                    : nullptr;
+                const auto toolbarFits = [&]() {
+                    if (!commandBar || !hostField || !portField || !sessionStatus) return false;
+                    if (commandBar->height() < 90 || commandBar->width() < 980) return false;
+                    const auto left = hostField->mapToScene(QPointF{}).x();
+                    const auto port = portField->mapToScene(QPointF{}).x();
+                    const auto right = sessionStatus->mapToScene(
+                        QPointF{sessionStatus->width(), 0}).x();
+                    return left >= 0 && port > left && right <= 1024 &&
+                        sessionStatus->width() >= 50 && sessionStatus->isVisible();
+                };
                 auto* const signalList = second
                     ? second->findChild<QQuickItem*>(QStringLiteral("iedBrowserSignalTree"))
                     : nullptr;
@@ -528,6 +553,7 @@ int main(int argc, char* argv[]) {
 
                 const auto renderedReady = [&]() {
                     return first && second && signalList && valueList && selected &&
+                        toolbarFits() &&
                         signalList->property("count").toInt() >= 3 &&
                         signalList->width() >= 100 && signalList->isVisible() &&
                         valueList->property("count").toInt() >= 3 &&
@@ -558,6 +584,8 @@ int main(int argc, char* argv[]) {
                     qCritical().noquote()
                         << "BROWSER_FLEET_ROUTING_DIAG"
                         << "activeIndex=" << fleet->activeIndex()
+                        << "toolbarFits1024=" << toolbarFits()
+                        << "statusWidth=" << (sessionStatus ? sessionStatus->width() : -1)
                         << "host=" << static_cast<void*>(browserHost)
                         << "visualChildren=" << (browserHost ? browserHost->childItems().size() : -1)
                         << "first=" << static_cast<void*>(first)
@@ -626,7 +654,7 @@ int main(int argc, char* argv[]) {
                 }
                 qInfo().noquote()
                     << "BROWSER_FLEET_ROUTING_PASS active_tab=QA_IED_B"
-                    << "offline_signals=visible" << "model_values=visible" << "value_label=bound"
+                    << "offline_signals=visible" << "model_values=visible" << "value_label=bound" << "toolbar_1024=visible"
                     << "switching=pass reindex=pass cross_ied_panel=false";
                 app.exit(0);
             });

From 3a3ceef9149fc0dd31b27f4c9232418a68fae0e6 Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Sun, 27 Sep 2026 18:56:35 +0700
Subject: [PATCH 43/43] test(browser-ux): enforce compact two-row header and
 unique endpoint inputs

---
 apps/ied_simulator/test_browser_convergence.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/apps/ied_simulator/test_browser_convergence.py b/apps/ied_simulator/test_browser_convergence.py
index e4025ca43..a26bf90e6 100644
--- a/apps/ied_simulator/test_browser_convergence.py
+++ b/apps/ied_simulator/test_browser_convergence.py
@@ -11,6 +11,11 @@
 
 workspace_required = [
     'text: "MODEL"',
+    'objectName: "iedBrowserCommandBar"',
+    'Layout.preferredHeight: 96',
+    'objectName: "iedBrowserHostField"',
+    'objectName: "iedBrowserPortField"',
+    'objectName: "iedBrowserSessionStatus"',
     'text: "COMMANDS"',
     'text: "Online"',
     '"Discover IED"',
@@ -49,6 +54,11 @@
     if missing:
         raise SystemExit("BROWSER_CONVERGENCE_FAIL " + label + " missing=" + ",".join(missing))
 
+if "Layout.preferredHeight: 68" in workspace:
+    raise SystemExit("BROWSER_CONVERGENCE_FAIL overfull single-row toolbar restored")
+if workspace.count("id: hostField") != 1 or workspace.count("id: portField") != 1:
+    raise SystemExit("BROWSER_CONVERGENCE_FAIL endpoint controls duplicated")
+
 if "client.treeModel" in navigation:
     raise SystemExit("BROWSER_CONVERGENCE_FAIL navigation regressed to session-owned model")
 if "Timer {" in status: