fix: comprehensive boot warnings and exceptions — fixable silenced, unfixable diagnosed

Build system (5 gaps hardened):
- COOKBOOK_OFFLINE defaults to true (fork-mode)
- normalize_patch handles diff -ruN format
- New 'repo validate-patches' command (25/25 relibc patches)
- 14 patched Qt/Wayland/display recipes added to protected list
- relibc archive regenerated with current patch chain

Boot fixes (fixable):
- Full ISO EFI partition: 16 MiB → 1 MiB (matches mini, BIOS hardcoded 2 MiB offset)
- D-Bus system bus: absolute /usr/bin/dbus-daemon path (was skipped)
- redbear-sessiond: absolute /usr/bin/redbear-sessiond path (was skipped)
- daemon framework: silenced spurious INIT_NOTIFY warnings for oneshot_async services (P0-daemon-silence-init-notify.patch)
- udev-shim: demoted INIT_NOTIFY warning to INFO (expected for oneshot_async)
- relibc: comprehensive named semaphores (sem_open/close/unlink) replacing upstream todo!() stubs
- greeterd: Wayland socket timeout 15s → 30s (compositor DRM wait)
- greeter-ui: built and linked (header guard unification, sem_compat stubs removed)
- mc: un-ignored in both configs, fixed glib/libiconv/pcre2 transitive deps
- greeter config: removed stale keymapd dependency from display/greeter services
- prefix toolchain: relibc headers synced, _RELIBC_STDLIB_H guard unified

Unfixable (diagnosed, upstream):
- i2c-hidd: abort on no-I2C-hardware (QEMU) — process::exit → relibc abort
- kded6/greeter-ui: page fault 0x8 — Qt library null deref
- Thread panics fd != -1 — Rust std library on Redox
- DHCP timeout / eth0 MAC — QEMU user-mode networking
- hwrngd/thermald — no hardware RNG/thermal in VM
- live preload allocation — BIOS memory fragmentation, continues on demand

local/recipes/qt/qtbase/source/examples/sql/querymodel/CMakeLists.txt

@@ -0,0 +1,41 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(querymodel LANGUAGES CXX)
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Sql Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(querymodel
+    ../connection.h
+    customsqlmodel.cpp customsqlmodel.h
+    editablesqlmodel.cpp editablesqlmodel.h
+    main.cpp
+)
+
+set_target_properties(querymodel PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(querymodel PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Sql
+    Qt6::Widgets
+)
+
+install(TARGETS querymodel
+    BUNDLE  DESTINATION .
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+)
+
+qt_generate_deploy_app_script(
+    TARGET querymodel
+    OUTPUT_SCRIPT deploy_script
+    NO_UNSUPPORTED_PLATFORM_ERROR
+)
+install(SCRIPT ${deploy_script})

local/recipes/qt/qtbase/source/examples/sql/querymodel/customsqlmodel.cpp

@@ -0,0 +1,27 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "customsqlmodel.h"
+
+#include <QColor>
+
+CustomSqlModel::CustomSqlModel(QObject *parent)
+    : QSqlQueryModel(parent)
+{
+}
+
+//! [0]
+QVariant CustomSqlModel::data(const QModelIndex &index, int role) const
+{
+    QVariant value = QSqlQueryModel::data(index, role);
+    if (value.isValid() && role == Qt::DisplayRole) {
+        if (index.column() == 0)
+            return value.toString().prepend('#');
+        else if (index.column() == 2)
+            return value.toString().toUpper();
+    }
+    if (role == Qt::ForegroundRole && index.column() == 1)
+        return QVariant::fromValue(QColor(Qt::blue));
+    return value;
+}
+//! [0]

local/recipes/qt/qtbase/source/examples/sql/querymodel/customsqlmodel.h

@@ -0,0 +1,21 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef CUSTOMSQLMODEL_H
+#define CUSTOMSQLMODEL_H
+
+#include <QSqlQueryModel>
+
+//! [0]
+class CustomSqlModel : public QSqlQueryModel
+{
+    Q_OBJECT
+
+public:
+    CustomSqlModel(QObject *parent = nullptr);
+
+    QVariant data(const QModelIndex &item, int role) const override;
+};
+//! [0]
+
+#endif

local/recipes/qt/qtbase/source/examples/sql/querymodel/editablesqlmodel.cpp

@@ -0,0 +1,70 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "editablesqlmodel.h"
+
+#include <QSqlQuery>
+
+EditableSqlModel::EditableSqlModel(QObject *parent)
+    : QSqlQueryModel(parent)
+{
+}
+
+//! [0]
+Qt::ItemFlags EditableSqlModel::flags(const QModelIndex &index) const
+{
+    Qt::ItemFlags flags = QSqlQueryModel::flags(index);
+    if (index.column() == 1 || index.column() == 2)
+        flags |= Qt::ItemIsEditable;
+    return flags;
+}
+//! [0]
+
+//! [1]
+bool EditableSqlModel::setData(const QModelIndex &index, const QVariant &value, int /* role */)
+{
+    if (index.column() < 1 || index.column() > 2)
+        return false;
+
+    QModelIndex primaryKeyIndex = QSqlQueryModel::index(index.row(), 0);
+    int id = data(primaryKeyIndex).toInt();
+
+    clear();
+
+    bool ok;
+    if (index.column() == 1)
+        ok = setFirstName(id, value.toString());
+    else
+        ok = setLastName(id, value.toString());
+    refresh();
+    return ok;
+}
+//! [1]
+
+void EditableSqlModel::refresh()
+{
+    setQuery("select * from person");
+    setHeaderData(0, Qt::Horizontal, QObject::tr("ID"));
+    setHeaderData(1, Qt::Horizontal, QObject::tr("First name"));
+    setHeaderData(2, Qt::Horizontal, QObject::tr("Last name"));
+}
+
+//! [2]
+bool EditableSqlModel::setFirstName(int personId, const QString &firstName)
+{
+    QSqlQuery query;
+    query.prepare("update person set firstname = ? where id = ?");
+    query.addBindValue(firstName);
+    query.addBindValue(personId);
+    return query.exec();
+}
+//! [2]
+
+bool EditableSqlModel::setLastName(int personId, const QString &lastName)
+{
+    QSqlQuery query;
+    query.prepare("update person set lastname = ? where id = ?");
+    query.addBindValue(lastName);
+    query.addBindValue(personId);
+    return query.exec();
+}

local/recipes/qt/qtbase/source/examples/sql/querymodel/editablesqlmodel.h

@@ -0,0 +1,25 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef EDITABLESQLMODEL_H
+#define EDITABLESQLMODEL_H
+
+#include <QSqlQueryModel>
+
+class EditableSqlModel : public QSqlQueryModel
+{
+    Q_OBJECT
+
+public:
+    EditableSqlModel(QObject *parent = nullptr);
+
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
+    bool setData(const QModelIndex &index, const QVariant &value, int role) override;
+
+private:
+    bool setFirstName(int personId, const QString &firstName);
+    bool setLastName(int personId, const QString &lastName);
+    void refresh();
+};
+
+#endif

local/recipes/qt/qtbase/source/examples/sql/querymodel/main.cpp

@@ -0,0 +1,52 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "../connection.h"
+#include "customsqlmodel.h"
+#include "editablesqlmodel.h"
+
+#include <QApplication>
+#include <QTableView>
+
+void initializeModel(QSqlQueryModel *model)
+{
+    model->setQuery("select * from person");
+    model->setHeaderData(0, Qt::Horizontal, QObject::tr("ID"));
+    model->setHeaderData(1, Qt::Horizontal, QObject::tr("First name"));
+    model->setHeaderData(2, Qt::Horizontal, QObject::tr("Last name"));
+}
+
+QTableView* createView(QSqlQueryModel *model, const QString &title = "")
+{
+    QTableView *view = new QTableView;
+    view->setModel(model);
+    static int offset = 0;
+
+    view->setWindowTitle(title);
+    view->move(100 + offset, 100 + offset);
+    offset += 20;
+    view->show();
+
+    return view;
+}
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    if (!createConnection())
+        return EXIT_FAILURE;
+
+    QSqlQueryModel plainModel;
+    EditableSqlModel editableModel;
+    CustomSqlModel customModel;
+
+    initializeModel(&plainModel);
+    initializeModel(&editableModel);
+    initializeModel(&customModel);
+
+    createView(&plainModel, QObject::tr("Plain Query Model"));
+    createView(&editableModel, QObject::tr("Editable Query Model"));
+    createView(&customModel, QObject::tr("Custom Query Model"));
+
+    return app.exec();
+}

local/recipes/qt/qtbase/source/examples/sql/querymodel/querymodel.pro

@@ -0,0 +1,13 @@
+HEADERS       = ../connection.h \
+                customsqlmodel.h \
+                editablesqlmodel.h
+SOURCES       = customsqlmodel.cpp \
+                editablesqlmodel.cpp \
+                main.cpp
+QT           += sql widgets
+requires(qtConfig(tableview))
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/sql/querymodel
+INSTALLS += target
+