logos-package-manager-module/tests/test_package_manager.cpp

// Unit tests for PackageManagerImpl — PackageManagerLib is mocked
// (mock_package_manager_lib.cpp).
//
// Structured lib returns (installed packages, dependency tree, dependents)
// are registered via setMock*() helpers declared in mock_package_manager_lib.h.
// The registries reset automatically on each LogosTestContext, so tests just
// construct a context, set the mocks, and instantiate the impl.

#include <logos_test.h>
#include "package_manager_impl.h"
#include "mocks/mock_package_manager_lib.h"

#include <chrono>
#include <condition_variable>
#include <mutex>
#include <string>
#include <thread>
#include <utility>
#include <vector>

// Qt-free event capture lives in the test framework (logos_test_events.h,
// pulled in by <logos_test.h>); the module-specific event-method bodies these
// drive are in package_manager_events_test.cpp.
using logos_test::EventCapture;
using logos_test::ScopedEventSink;

LOGOS_TEST(onInit_does_not_throw) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;
    LOGOS_ASSERT_FALSE(t.moduleCalled("any_module", "any_method"));
}

LOGOS_TEST(installPlugin_success_core_emits_core_event) {
    auto t = LogosTestContext("package_manager");
    t.mockCFunction("installPluginFile_result").returns("/installed/core.dylib");
    t.mockCFunction("installPluginFile_installedPath").returns("/installed/core.dylib");
    t.mockCFunction("installPluginFile_error").returns("");
    t.mockCFunction("installPluginFile_isCore").returns(true);

    std::string lastEvent;
    std::string lastEventData;
    PackageManagerImpl impl;
    ScopedEventSink _sink([&](const std::string& name, const std::string& data) {
        lastEvent = name;
        lastEventData = data;
    });

    LogosMap m = impl.installPlugin("/path/to/foo.lgx", false);
    LOGOS_ASSERT_EQ(m["path"].get<std::string>(), std::string("/installed/core.dylib"));
    LOGOS_ASSERT_TRUE(m["isCoreModule"].get<bool>());
    LOGOS_ASSERT_FALSE(m.contains("error"));
    LOGOS_ASSERT_EQ(m["name"].get<std::string>(), std::string("foo"));
    LOGOS_ASSERT_EQ(m["signatureStatus"].get<std::string>(), std::string("unsigned"));
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("verifyPackageSignature"));
    LOGOS_ASSERT_EQ(lastEvent, std::string("corePluginFileInstalled"));
    LOGOS_ASSERT_EQ(lastEventData, std::string("/installed/core.dylib"));
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("installPluginFile"));
}

LOGOS_TEST(installPlugin_success_ui_emits_ui_event) {
    auto t = LogosTestContext("package_manager");
    t.mockCFunction("installPluginFile_result").returns("/ui/plugin.qml");
    t.mockCFunction("installPluginFile_installedPath").returns("/ui/plugin.qml");
    t.mockCFunction("installPluginFile_error").returns("");
    t.mockCFunction("installPluginFile_isCore").returns(false);

    std::string lastEvent;
    PackageManagerImpl impl;
    ScopedEventSink _sink([&](const std::string& name, const std::string&) { lastEvent = name; });

    LogosMap m = impl.installPlugin("/path/bar.lgx", false);
    LOGOS_ASSERT_FALSE(m["isCoreModule"].get<bool>());
    LOGOS_ASSERT_EQ(lastEvent, std::string("uiPluginFileInstalled"));
}

// A QML-only ui_qml package has no backend library, so the library reports the
// installed module DIRECTORY rather than a main file. That must still be a
// success: event emitted, non-empty "path", no "error" key. Before the fix the
// library handed back an empty string here and the impl gated its event on it,
// so uiPluginFileInstalled never fired and logos-package-manager-ui — which
// treats an empty "path" as failure — rendered a red RETRY on a package that
// had installed perfectly.
LOGOS_TEST(installPlugin_ui_qml_without_main_emits_event_with_directory_path) {
    auto t = LogosTestContext("package_manager");
    t.mockCFunction("installPluginFile_result").returns("/user/ui_plugins");
    t.mockCFunction("installPluginFile_installedPath").returns("/user/ui_plugins/hello_ui");
    t.mockCFunction("installPluginFile_error").returns("");
    t.mockCFunction("installPluginFile_isCore").returns(false);

    std::string lastEvent;
    std::string lastEventData;
    PackageManagerImpl impl;
    ScopedEventSink _sink([&](const std::string& name, const std::string& data) {
        lastEvent = name;
        lastEventData = data;
    });

    LogosMap m = impl.installPlugin("/path/hello_ui.lgx", false);
    LOGOS_ASSERT_EQ(m["path"].get<std::string>(), std::string("/user/ui_plugins/hello_ui"));
    LOGOS_ASSERT_FALSE(m.contains("error"));
    LOGOS_ASSERT_EQ(lastEvent, std::string("uiPluginFileInstalled"));
    LOGOS_ASSERT_EQ(lastEventData, std::string("/user/ui_plugins/hello_ui"));
}

// Defence in depth against an OLDER logos-package-manager that still leaves
// installedPluginPath empty for a QML-only package: the impl must not take the
// empty value as failure. It falls back to the library's return value (the
// install root), which keeps the event firing and "path" non-empty.
LOGOS_TEST(installPlugin_empty_installedPath_still_succeeds_via_result_fallback) {
    auto t = LogosTestContext("package_manager");
    t.mockCFunction("installPluginFile_result").returns("/user/ui_plugins");
    t.mockCFunction("installPluginFile_installedPath").returns("");
    t.mockCFunction("installPluginFile_error").returns("");
    t.mockCFunction("installPluginFile_isCore").returns(false);

    std::string lastEvent;
    std::string lastEventData;
    PackageManagerImpl impl;
    ScopedEventSink _sink([&](const std::string& name, const std::string& data) {
        lastEvent = name;
        lastEventData = data;
    });

    LogosMap m = impl.installPlugin("/path/hello_ui.lgx", false);
    LOGOS_ASSERT_EQ(m["path"].get<std::string>(), std::string("/user/ui_plugins"));
    LOGOS_ASSERT_FALSE(m.contains("error"));
    LOGOS_ASSERT_EQ(lastEvent, std::string("uiPluginFileInstalled"));
    LOGOS_ASSERT_EQ(lastEventData, std::string("/user/ui_plugins"));
}

LOGOS_TEST(installPlugin_failure_sets_error_no_event) {
    auto t = LogosTestContext("package_manager");
    t.mockCFunction("installPluginFile_result").returns("");
    t.mockCFunction("installPluginFile_error").returns("invalid lgx");
    t.mockCFunction("installPluginFile_installedPath").returns("");

    std::string lastEvent;
    PackageManagerImpl impl;
    ScopedEventSink _sink([&](const std::string& name, const std::string&) { lastEvent = name; });

    LogosMap m = impl.installPlugin("/bad.lgx", false);
    LOGOS_ASSERT_TRUE(m["path"].get<std::string>().empty());
    LOGOS_ASSERT_EQ(m["error"].get<std::string>(), std::string("invalid lgx"));
    LOGOS_ASSERT_TRUE(lastEvent.empty());
}

LOGOS_TEST(installPlugin_skipIfNotNewerVersion_passed_to_mock) {
    auto t = LogosTestContext("package_manager");
    t.mockCFunction("installPluginFile_result").returns("/ok");
    t.mockCFunction("installPluginFile_installedPath").returns("/ok");
    t.mockCFunction("installPluginFile_error").returns("");

    PackageManagerImpl impl;

    impl.installPlugin("/x.lgx", true);
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("installPluginFile_skipIfNotNewer_true"));

    impl.installPlugin("/y.lgx", false);
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("installPluginFile_skipIfNotNewer_false"));
}

LOGOS_TEST(setEmbeddedModulesDirectory_forwards_to_lib) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;
    impl.setEmbeddedModulesDirectory("/emb/mod");
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("setEmbeddedModulesDirectory"));
}

LOGOS_TEST(addEmbeddedModulesDirectory_forwards_to_lib) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;
    impl.addEmbeddedModulesDirectory("/emb/m2");
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("addEmbeddedModulesDirectory"));
}

LOGOS_TEST(setEmbeddedUiPluginsDirectory_forwards_to_lib) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;
    impl.setEmbeddedUiPluginsDirectory("/emb/ui");
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("setEmbeddedUiPluginsDirectory"));
}

LOGOS_TEST(addEmbeddedUiPluginsDirectory_forwards_to_lib) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;
    impl.addEmbeddedUiPluginsDirectory("/emb/ui2");
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("addEmbeddedUiPluginsDirectory"));
}

LOGOS_TEST(setUserModulesDirectory_forwards_to_lib) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;
    impl.setUserModulesDirectory("/user/mod");
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("setUserModulesDirectory"));
}

LOGOS_TEST(setUserUiPluginsDirectory_forwards_to_lib) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;
    impl.setUserUiPluginsDirectory("/user/ui");
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("setUserUiPluginsDirectory"));
}

LOGOS_TEST(getInstalledPackages_returns_struct_registry) {
    auto t = LogosTestContext("package_manager");
    InstalledPackage pkg;
    pkg.name = "pkg1";
    pkg.version = "1.0.0";
    setMockInstalledPackages({pkg});

    PackageManagerImpl impl;

    LogosList list = impl.getInstalledPackages();
    LOGOS_ASSERT_EQ(list.size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(list[0]["name"].get<std::string>(), std::string("pkg1"));
    LOGOS_ASSERT_EQ(list[0]["version"].get<std::string>(), std::string("1.0.0"));
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("getInstalledPackages"));
}

LOGOS_TEST(getInstalledModules_returns_struct_registry) {
    auto t = LogosTestContext("package_manager");
    InstalledPackage mod;
    mod.name = "mod_a";
    mod.type = "core";
    setMockInstalledModules({mod});

    PackageManagerImpl impl;

    LogosList list = impl.getInstalledModules();
    LOGOS_ASSERT_EQ(list.size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(list[0]["name"].get<std::string>(), std::string("mod_a"));
    LOGOS_ASSERT_EQ(list[0]["type"].get<std::string>(), std::string("core"));
}

LOGOS_TEST(getInstalledUiPlugins_returns_struct_registry) {
    auto t = LogosTestContext("package_manager");
    InstalledPackage ui;
    ui.name = "ui_z";
    ui.type = "ui";
    setMockInstalledUiPlugins({ui});

    PackageManagerImpl impl;

    LogosList list = impl.getInstalledUiPlugins();
    LOGOS_ASSERT_EQ(list.size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(list[0]["name"].get<std::string>(), std::string("ui_z"));
}

LOGOS_TEST(getInstalledPackages_empty_registry) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;

    LOGOS_ASSERT_TRUE(impl.getInstalledPackages().empty());
}

LOGOS_TEST(getValidVariants_uses_platformVariantsToTry) {
    auto t = LogosTestContext("package_manager");
    t.mockCFunction("platformVariantsToTry_first").returns("custom-variant");

    PackageManagerImpl impl;

    std::vector<std::string> v = impl.getValidVariants();
    LOGOS_ASSERT_EQ(static_cast<int>(v.size()), 1);
    LOGOS_ASSERT_EQ(v[0], std::string("custom-variant"));
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("platformVariantsToTry"));
}

LOGOS_TEST(getValidVariants_default_mock_variant) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;

    std::vector<std::string> v = impl.getValidVariants();
    LOGOS_ASSERT_FALSE(v.empty());
    LOGOS_ASSERT_EQ(v[0], std::string("mock-variant"));
}

LOGOS_TEST(no_cross_module_calls_by_default) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;
    LOGOS_ASSERT_EQ(t.moduleCallCount("capability_module", "requestModule"), 0);
}

LOGOS_TEST(setSignaturePolicy_forwards_to_lib) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;
    impl.setSignaturePolicy("warn");
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("setSignaturePolicy"));
}

LOGOS_TEST(setKeyringDirectory_forwards_to_lib) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;
    impl.setKeyringDirectory("/kr");
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("setKeyringDirectory"));
}

LOGOS_TEST(uninstallPackage_success_core_emits_core_event) {
    auto t = LogosTestContext("package_manager");
    // Scan returns a core package — impl uses this to route the event.
    InstalledPackage pkg;
    pkg.name = "foo";
    pkg.type = "core";
    pkg.installType = InstallType::User;
    setMockInstalledPackages({pkg});
    t.mockCFunction("uninstallPackage_success").returns(true);
    t.mockCFunction("uninstallPackage_removed").returns("/a/foo.dylib,/a/manifest.json");

    std::string lastEvent;
    std::string lastEventData;
    PackageManagerImpl impl;
    ScopedEventSink _sink([&](const std::string& name, const std::string& data) {
        lastEvent = name;
        lastEventData = data;
    });

    LogosMap m = impl.uninstallPackage("foo");
    LOGOS_ASSERT_TRUE(m["success"].get<bool>());
    LOGOS_ASSERT_FALSE(m.contains("error"));
    LOGOS_ASSERT_EQ(m["removedFiles"].size(), static_cast<size_t>(2));
    LOGOS_ASSERT_EQ(lastEvent, std::string("corePluginUninstalled"));
    LOGOS_ASSERT_EQ(lastEventData, std::string("foo"));
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("uninstallPackage"));
}

LOGOS_TEST(uninstallPackage_success_ui_emits_ui_event) {
    auto t = LogosTestContext("package_manager");
    InstalledPackage pkg;
    pkg.name = "widget";
    pkg.type = "ui";
    pkg.installType = InstallType::User;
    setMockInstalledPackages({pkg});
    t.mockCFunction("uninstallPackage_success").returns(true);

    std::string lastEvent;
    PackageManagerImpl impl;
    ScopedEventSink _sink([&](const std::string& name, const std::string&) { lastEvent = name; });

    LogosMap m = impl.uninstallPackage("widget");
    LOGOS_ASSERT_TRUE(m["success"].get<bool>());
    LOGOS_ASSERT_EQ(lastEvent, std::string("uiPluginUninstalled"));
}

LOGOS_TEST(uninstallPackage_failure_sets_error_no_event) {
    auto t = LogosTestContext("package_manager");
    InstalledPackage pkg;
    pkg.name = "foo";
    pkg.type = "core";
    pkg.installType = InstallType::Embedded;
    setMockInstalledPackages({pkg});
    t.mockCFunction("uninstallPackage_success").returns(false);
    t.mockCFunction("uninstallPackage_error").returns("Cannot uninstall embedded package");

    std::string lastEvent;
    PackageManagerImpl impl;
    ScopedEventSink _sink([&](const std::string& name, const std::string&) { lastEvent = name; });

    LogosMap m = impl.uninstallPackage("foo");
    LOGOS_ASSERT_FALSE(m["success"].get<bool>());
    LOGOS_ASSERT_EQ(m["error"].get<std::string>(),
                    std::string("Cannot uninstall embedded package"));
    LOGOS_ASSERT_FALSE(m.contains("removedFiles"));
    LOGOS_ASSERT_TRUE(lastEvent.empty());
}

// ---------------------------------------------------------------------------
// Dependency-resolution helpers — tree fixtures reused across tests.
// ---------------------------------------------------------------------------
// Forward tree:
//   root (installed)
//   └── a (installed)
//       └── c (installed)
// Used by the resolveDependencies + resolveFlatDependencies tests.
static DependencyTreeNode makeForwardTree() {
    DependencyTreeNode root;
    root.name = "root";
    root.status = DependencyStatus::Installed;
    DependencyTreeNode a;
    a.name = "a";
    a.status = DependencyStatus::Installed;
    DependencyTreeNode c;
    c.name = "c";
    c.status = DependencyStatus::Installed;
    a.children = {c};
    root.children = {a};
    return root;
}

// Reverse tree rooted at "dep":
//   dep
//   └── parent_direct
//       └── parent_transitive
static DependentTreeNode makeReverseTree() {
    DependentTreeNode root;
    root.name = "dep";
    DependentTreeNode directChild;
    directChild.name = "parent_direct";
    directChild.version = "1.2.3";
    DependentTreeNode transitiveChild;
    transitiveChild.name = "parent_transitive";
    transitiveChild.version = "4.5.6";
    directChild.children = {transitiveChild};
    root.children = {directChild};
    return root;
}

LOGOS_TEST(resolveDependencies_recursive_returns_full_tree) {
    auto t = LogosTestContext("package_manager");
    setMockDependencyTree(makeForwardTree());

    PackageManagerImpl impl;

    LogosMap out = impl.resolveDependencies("root", true);
    LOGOS_ASSERT_EQ(out["name"].get<std::string>(), std::string("root"));
    LOGOS_ASSERT_EQ(out["status"].get<std::string>(), std::string("installed"));
    LOGOS_ASSERT_EQ(out["children"].size(), static_cast<size_t>(1));
    // Recursive walks the full tree — grandchild survives.
    LOGOS_ASSERT_EQ(out["children"][0]["name"].get<std::string>(), std::string("a"));
    LOGOS_ASSERT_EQ(out["children"][0]["children"].size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(out["children"][0]["children"][0]["name"].get<std::string>(), std::string("c"));
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("resolveDependencies"));
}

LOGOS_TEST(resolveDependencies_non_recursive_clips_to_depth_one) {
    auto t = LogosTestContext("package_manager");
    setMockDependencyTree(makeForwardTree());

    PackageManagerImpl impl;

    LogosMap out = impl.resolveDependencies("root", false);
    LOGOS_ASSERT_EQ(out["name"].get<std::string>(), std::string("root"));
    LOGOS_ASSERT_EQ(out["children"].size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(out["children"][0]["name"].get<std::string>(), std::string("a"));
    // Non-recursive clips at depth 1: "a" has an empty children array, the
    // grandchild "c" does not appear.
    LOGOS_ASSERT_TRUE(out["children"][0]["children"].is_array());
    LOGOS_ASSERT_TRUE(out["children"][0]["children"].empty());
}

LOGOS_TEST(resolveDependencies_unknown_returns_empty_object) {
    auto t = LogosTestContext("package_manager");
    // No registered tree — mock returns nullopt; impl serialises to {}.
    PackageManagerImpl impl;

    LogosMap out = impl.resolveDependencies("ghost", true);
    LOGOS_ASSERT_TRUE(out.is_object());
    LOGOS_ASSERT_TRUE(out.empty());
}

LOGOS_TEST(resolveDependents_recursive_returns_full_tree) {
    auto t = LogosTestContext("package_manager");
    setMockDependentTree(makeReverseTree());

    PackageManagerImpl impl;

    LogosMap out = impl.resolveDependents("dep", true);
    LOGOS_ASSERT_EQ(out["name"].get<std::string>(), std::string("dep"));
    LOGOS_ASSERT_EQ(out["children"].size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(out["children"][0]["name"].get<std::string>(), std::string("parent_direct"));
    LOGOS_ASSERT_EQ(out["children"][0]["version"].get<std::string>(), std::string("1.2.3"));
    // Full tree — grandchild survives.
    LOGOS_ASSERT_EQ(out["children"][0]["children"].size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(out["children"][0]["children"][0]["name"].get<std::string>(),
                    std::string("parent_transitive"));
    // No `direct` field in the new wire format.
    LOGOS_ASSERT_FALSE(out["children"][0].contains("direct"));
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("resolveDependents"));
}

LOGOS_TEST(resolveDependents_non_recursive_clips_to_depth_one) {
    auto t = LogosTestContext("package_manager");
    setMockDependentTree(makeReverseTree());

    PackageManagerImpl impl;

    LogosMap out = impl.resolveDependents("dep", false);
    LOGOS_ASSERT_EQ(out["name"].get<std::string>(), std::string("dep"));
    LOGOS_ASSERT_EQ(out["children"].size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(out["children"][0]["name"].get<std::string>(), std::string("parent_direct"));
    // Clipped: grandchild does not appear.
    LOGOS_ASSERT_TRUE(out["children"][0]["children"].is_array());
    LOGOS_ASSERT_TRUE(out["children"][0]["children"].empty());
}

LOGOS_TEST(resolveDependents_unknown_returns_empty_object) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;

    LogosMap out = impl.resolveDependents("ghost", true);
    LOGOS_ASSERT_TRUE(out.is_object());
    LOGOS_ASSERT_TRUE(out.empty());
}

LOGOS_TEST(resolveFlatDependencies_recursive_flattens_tree) {
    auto t = LogosTestContext("package_manager");
    setMockDependencyTree(makeForwardTree());

    PackageManagerImpl impl;

    LogosList list = impl.resolveFlatDependencies("root", true);
    // Descendants: a + c. Root itself is NOT included.
    LOGOS_ASSERT_EQ(list.size(), static_cast<size_t>(2));
    std::set<std::string> names;
    for (const auto& item : list) names.insert(item["name"].get<std::string>());
    LOGOS_ASSERT_TRUE(names.count("a") != 0);
    LOGOS_ASSERT_TRUE(names.count("c") != 0);
    // No `children` field in the flat wire format.
    LOGOS_ASSERT_FALSE(list[0].contains("children"));
}

LOGOS_TEST(resolveFlatDependencies_non_recursive_emits_children_only) {
    auto t = LogosTestContext("package_manager");
    setMockDependencyTree(makeForwardTree());

    PackageManagerImpl impl;

    LogosList list = impl.resolveFlatDependencies("root", false);
    // Only direct children of root — "a". Grandchild "c" does not appear.
    LOGOS_ASSERT_EQ(list.size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(list[0]["name"].get<std::string>(), std::string("a"));
    LOGOS_ASSERT_FALSE(list[0].contains("children"));
}

LOGOS_TEST(resolveFlatDependencies_unknown_returns_empty_list) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;

    LogosList list = impl.resolveFlatDependencies("ghost", true);
    LOGOS_ASSERT_TRUE(list.is_array());
    LOGOS_ASSERT_TRUE(list.empty());
}

LOGOS_TEST(resolveFlatDependents_recursive_flattens_tree) {
    auto t = LogosTestContext("package_manager");
    setMockDependentTree(makeReverseTree());

    PackageManagerImpl impl;

    LogosList list = impl.resolveFlatDependents("dep", true);
    LOGOS_ASSERT_EQ(list.size(), static_cast<size_t>(2));
    std::set<std::string> names;
    for (const auto& item : list) names.insert(item["name"].get<std::string>());
    LOGOS_ASSERT_TRUE(names.count("parent_direct") != 0);
    LOGOS_ASSERT_TRUE(names.count("parent_transitive") != 0);
    LOGOS_ASSERT_FALSE(list[0].contains("direct"));
    LOGOS_ASSERT_FALSE(list[0].contains("children"));
}

LOGOS_TEST(resolveFlatDependents_non_recursive_emits_children_only) {
    auto t = LogosTestContext("package_manager");
    setMockDependentTree(makeReverseTree());

    PackageManagerImpl impl;

    LogosList list = impl.resolveFlatDependents("dep", false);
    LOGOS_ASSERT_EQ(list.size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(list[0]["name"].get<std::string>(), std::string("parent_direct"));
    LOGOS_ASSERT_FALSE(list[0].contains("children"));
}

LOGOS_TEST(resolveFlatDependents_unknown_returns_empty_list) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;

    LogosList list = impl.resolveFlatDependents("ghost", true);
    LOGOS_ASSERT_TRUE(list.is_array());
    LOGOS_ASSERT_TRUE(list.empty());
}

LOGOS_TEST(verifyPackage_maps_signature_result) {
    auto t = LogosTestContext("package_manager");
    t.mockCFunction("verifyPackageSignature_is_signed").returns(true);
    t.mockCFunction("verifyPackageSignature_signature_valid").returns(true);
    t.mockCFunction("verifyPackageSignature_package_valid").returns(true);
    t.mockCFunction("verifyPackageSignature_signer_did").returns("did:jwk:test");

    PackageManagerImpl impl;

    LogosMap m = impl.verifyPackage("/any.lgx");
    LOGOS_ASSERT_TRUE(m["isSigned"].get<bool>());
    LOGOS_ASSERT_TRUE(m["signatureValid"].get<bool>());
    LOGOS_ASSERT_TRUE(m["packageValid"].get<bool>());
    LOGOS_ASSERT_EQ(m["signerDid"].get<std::string>(), std::string("did:jwk:test"));
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("verifyPackageSignature"));
}

// ===========================================================================
// Gated uninstall / upgrade flow
// ===========================================================================
//
// Tests the two-phase listener-ack protocol:
//
//   requestXxx -> beforeXxx event -> ackPendingAction (within ackTimeout)
//               -> confirmXxx (destructive) | cancelXxx (aborts)
//
// The ack-timeout worker emits on a background thread, so every test uses
// the thread-safe EventCapture from the test framework (<logos_test.h>).
// Synchronous paths (request / confirm / cancel) also go through the same
// capture to keep assertions uniform. Timeout-path tests shrink the timeout
// via setAckTimeoutMsForTest so they fire in milliseconds rather than the
// 3-second production default.

namespace {

// EventCapture / ScopedEventSink come from the test framework
// (<logos_test.h>); the PackageManagerImpl event-method bodies they observe
// are defined in package_manager_events_test.cpp (linked into both targets).

// Convenience: registers `pkgName` as an installed user-package so
// isEmbedded / installedDependentsNames return sensible values. `type` is
// "core" or "ui" — controls which *Uninstalled event doUninstall emits.
static void primeInstalledUserPackage(const std::string& pkgName,
                                      const std::string& type = "core") {
    InstalledPackage pkg;
    pkg.name = pkgName;
    pkg.type = type;
    pkg.installType = InstallType::User;
    setMockInstalledPackages({pkg});
}

} // namespace

// ---------------------------------------------------------------------------
// requestUninstall / requestUpgrade: validation, happy path, pending lock-out
// ---------------------------------------------------------------------------

LOGOS_TEST(requestUninstall_rejects_empty_name) {
    auto t = LogosTestContext("package_manager");
    EventCapture events;
    PackageManagerImpl impl;
    LogosMap r = impl.requestUninstall("");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_EQ(r["error"].get<std::string>(),
                    std::string("Package name cannot be empty"));
    LOGOS_ASSERT_EQ(events.size(), static_cast<size_t>(0));
}

LOGOS_TEST(requestUninstall_rejects_embedded_package) {
    auto t = LogosTestContext("package_manager");
    InstalledPackage pkg;
    pkg.name = "core_embed";
    pkg.type = "core";
    pkg.installType = InstallType::Embedded;
    setMockInstalledPackages({pkg});

    EventCapture events;
    PackageManagerImpl impl;
    LogosMap r = impl.requestUninstall("core_embed");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_EQ(r["error"].get<std::string>(),
                    std::string("Cannot uninstall embedded module 'core_embed'"));
    LOGOS_ASSERT_FALSE(events.has("beforeUninstall"));
}

LOGOS_TEST(requestUninstall_happy_emits_beforeUninstall_with_dependents) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    // A listener-style reverse tree rooted at "foo" with one direct dependent.
    DependentTreeNode root;
    root.name = "foo";
    DependentTreeNode parent;
    parent.name = "parent_pkg";
    root.children = {parent};
    setMockDependentTree(root);

    EventCapture events;
    PackageManagerImpl impl;
    LogosMap r = impl.requestUninstall("foo");
    LOGOS_ASSERT_TRUE(r["success"].get<bool>());
    LOGOS_ASSERT_FALSE(r.contains("error"));

    auto matches = events.all("beforeUninstall");
    LOGOS_ASSERT_EQ(matches.size(), static_cast<size_t>(1));
    LogosMap payload = LogosMap::parse(matches[0].data);
    LOGOS_ASSERT_EQ(payload["name"].get<std::string>(), std::string("foo"));
    LOGOS_ASSERT_EQ(payload["installedDependents"].size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(payload["installedDependents"][0].get<std::string>(),
                    std::string("parent_pkg"));

    // Clean up the pending action so the dtor doesn't emit a timeout event.
    impl.resetPendingAction();
}

LOGOS_TEST(requestUninstall_rejects_when_already_pending) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    LogosMap first = impl.requestUninstall("foo");
    LOGOS_ASSERT_TRUE(first["success"].get<bool>());

    LogosMap second = impl.requestUninstall("foo");
    LOGOS_ASSERT_FALSE(second["success"].get<bool>());
    // Error message mentions the in-progress op ("uninstall") and its name.
    std::string err = second["error"].get<std::string>();
    LOGOS_ASSERT_TRUE(err.find("uninstall") != std::string::npos);
    LOGOS_ASSERT_TRUE(err.find("foo") != std::string::npos);

    impl.resetPendingAction();
}

LOGOS_TEST(requestUpgrade_rejects_empty_name) {
    auto t = LogosTestContext("package_manager");
    EventCapture events;
    PackageManagerImpl impl;
    LogosMap r = impl.requestUpgrade("", "v1.0.0", 0, "");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_EQ(r["error"].get<std::string>(),
                    std::string("Package name cannot be empty"));
    LOGOS_ASSERT_FALSE(events.has("beforeUpgrade"));
}

LOGOS_TEST(requestUpgrade_rejects_embedded_package) {
    auto t = LogosTestContext("package_manager");
    InstalledPackage pkg;
    pkg.name = "core_embed";
    pkg.type = "core";
    pkg.installType = InstallType::Embedded;
    setMockInstalledPackages({pkg});

    EventCapture events;
    PackageManagerImpl impl;
    LogosMap r = impl.requestUpgrade("core_embed", "v2.0.0", 0, "");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_EQ(r["error"].get<std::string>(),
                    std::string("Cannot upgrade embedded module 'core_embed'"));
    LOGOS_ASSERT_FALSE(events.has("beforeUpgrade"));
}

LOGOS_TEST(requestUpgrade_happy_emits_beforeUpgrade_with_tag_and_mode) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    LogosMap r = impl.requestUpgrade("foo", "v2.0.0", 7, "");
    LOGOS_ASSERT_TRUE(r["success"].get<bool>());

    auto matches = events.all("beforeUpgrade");
    LOGOS_ASSERT_EQ(matches.size(), static_cast<size_t>(1));
    LogosMap payload = LogosMap::parse(matches[0].data);
    LOGOS_ASSERT_EQ(payload["name"].get<std::string>(), std::string("foo"));
    LOGOS_ASSERT_EQ(payload["releaseTag"].get<std::string>(), std::string("v2.0.0"));
    LOGOS_ASSERT_EQ(payload["mode"].get<int64_t>(), static_cast<int64_t>(7));

    impl.resetPendingAction();
}

LOGOS_TEST(requestUpgrade_rejects_when_already_pending) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUpgrade("foo", "v1.0.0", 0, "")["success"].get<bool>());

    // A second gated op (of either kind) must fail while another is pending.
    LogosMap blocked = impl.requestUninstall("foo");
    LOGOS_ASSERT_FALSE(blocked["success"].get<bool>());
    std::string err = blocked["error"].get<std::string>();
    LOGOS_ASSERT_TRUE(err.find("upgrade") != std::string::npos);

    impl.resetPendingAction();
}

// ---------------------------------------------------------------------------
// ackPendingAction: success / missing / mismatch / idempotent
// ---------------------------------------------------------------------------

LOGOS_TEST(ackPendingAction_success_on_pending_uninstall) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUninstall("foo")["success"].get<bool>());

    LogosMap ack = impl.ackPendingAction("foo");
    LOGOS_ASSERT_TRUE(ack["success"].get<bool>());
    LOGOS_ASSERT_FALSE(ack.contains("error"));

    impl.resetPendingAction();
}

LOGOS_TEST(ackPendingAction_no_pending_returns_error) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;

    LogosMap ack = impl.ackPendingAction("anything");
    LOGOS_ASSERT_FALSE(ack["success"].get<bool>());
    LOGOS_ASSERT_TRUE(ack["error"].get<std::string>().find("No matching pending") != std::string::npos);
}

LOGOS_TEST(ackPendingAction_name_mismatch_rejected) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUninstall("foo")["success"].get<bool>());

    LogosMap ack = impl.ackPendingAction("not_foo");
    LOGOS_ASSERT_FALSE(ack["success"].get<bool>());
    LOGOS_ASSERT_TRUE(ack["error"].get<std::string>().find("not_foo") != std::string::npos);

    impl.resetPendingAction();
}

LOGOS_TEST(ackPendingAction_idempotent_on_repeat) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUninstall("foo")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());
    // Second ack should still succeed (same pending, already acked).
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    impl.resetPendingAction();
}

// ---------------------------------------------------------------------------
// confirmUninstall: happy / failed-uninstall / missing / mismatch
// ---------------------------------------------------------------------------

LOGOS_TEST(confirmUninstall_happy_performs_uninstall_and_emits_core_event) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo", "core");
    t.mockCFunction("uninstallPackage_success").returns(true);
    t.mockCFunction("uninstallPackage_removed").returns("/m/foo.dylib");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUninstall("foo")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    LogosMap r = impl.confirmUninstall("foo");
    LOGOS_ASSERT_TRUE(r["success"].get<bool>());
    LOGOS_ASSERT_EQ(r["removedFiles"].size(), static_cast<size_t>(1));
    LOGOS_ASSERT_TRUE(events.has("corePluginUninstalled"));
    LOGOS_ASSERT_TRUE(t.cFunctionCalled("uninstallPackage"));

    // Pending cleared — a subsequent confirm should fail with "no matching".
    LogosMap again = impl.confirmUninstall("foo");
    LOGOS_ASSERT_FALSE(again["success"].get<bool>());
}

LOGOS_TEST(confirmUninstall_surfaces_uninstall_failure) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo", "core");
    t.mockCFunction("uninstallPackage_success").returns(false);
    t.mockCFunction("uninstallPackage_error").returns("delete failed");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUninstall("foo")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    LogosMap r = impl.confirmUninstall("foo");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_EQ(r["error"].get<std::string>(), std::string("delete failed"));
    LOGOS_ASSERT_FALSE(events.has("corePluginUninstalled"));
    LOGOS_ASSERT_FALSE(events.has("uiPluginUninstalled"));
}

LOGOS_TEST(confirmUninstall_no_pending_returns_error) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;

    LogosMap r = impl.confirmUninstall("foo");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_TRUE(r["error"].get<std::string>().find("No matching pending uninstall") != std::string::npos);
}

LOGOS_TEST(confirmUninstall_name_mismatch_returns_error) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo", "core");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUninstall("foo")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    LogosMap r = impl.confirmUninstall("bar");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    // Original pending still valid.
    LOGOS_ASSERT_TRUE(impl.cancelUninstall("foo")["success"].get<bool>());
}

// ---------------------------------------------------------------------------
// confirmUpgrade: happy / tag-mismatch / failed-uninstall suppresses event
// ---------------------------------------------------------------------------

LOGOS_TEST(confirmUpgrade_happy_emits_upgradeUninstallDone) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo", "core");
    t.mockCFunction("uninstallPackage_success").returns(true);

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUpgrade("foo", "v2.0.0", 3, "")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    LogosMap r = impl.confirmUpgrade("foo", "v2.0.0");
    LOGOS_ASSERT_TRUE(r["success"].get<bool>());

    auto done = events.all("upgradeUninstallDone");
    LOGOS_ASSERT_EQ(done.size(), static_cast<size_t>(1));
    LogosMap payload = LogosMap::parse(done[0].data);
    LOGOS_ASSERT_EQ(payload["name"].get<std::string>(), std::string("foo"));
    LOGOS_ASSERT_EQ(payload["releaseTag"].get<std::string>(), std::string("v2.0.0"));
    LOGOS_ASSERT_EQ(payload["mode"].get<int64_t>(), static_cast<int64_t>(3));
}

LOGOS_TEST(confirmUpgrade_suppresses_event_on_uninstall_failure) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo", "core");
    // Uninstall step inside confirmUpgrade fails — upgradeUninstallDone must NOT fire.
    t.mockCFunction("uninstallPackage_success").returns(false);
    t.mockCFunction("uninstallPackage_error").returns("cannot remove");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUpgrade("foo", "v2.0.0", 0, "")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    LogosMap r = impl.confirmUpgrade("foo", "v2.0.0");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_FALSE(events.has("upgradeUninstallDone"));
}

LOGOS_TEST(confirmUpgrade_tag_mismatch_returns_error) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo", "core");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUpgrade("foo", "v2.0.0", 0, "")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    LogosMap r = impl.confirmUpgrade("foo", "v3.0.0");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_TRUE(r["error"].get<std::string>().find("No matching pending upgrade") != std::string::npos);

    // Original upgrade still pending — the mismatched tag must not have cleared state.
    LOGOS_ASSERT_TRUE(impl.cancelUpgrade("foo", "v2.0.0")["success"].get<bool>());
}

LOGOS_TEST(confirmUpgrade_no_pending_returns_error) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;

    LogosMap r = impl.confirmUpgrade("foo", "v1.0.0");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_TRUE(r["error"].get<std::string>().find("No matching pending upgrade") != std::string::npos);
}

LOGOS_TEST(confirmUpgrade_requires_ack_before_confirm) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo", "core");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUpgrade("foo", "v2.0.0", 0, "")["success"].get<bool>());

    LogosMap r = impl.confirmUpgrade("foo", "v2.0.0");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_TRUE(r["error"].get<std::string>().find("has not been acknowledged") != std::string::npos);
    LOGOS_ASSERT_FALSE(events.has("upgradeUninstallDone"));

    // Pending action should remain active until acknowledged/cancelled/reset.
    // Ack first because cancelUpgrade (like confirmUpgrade) now requires a
    // prior ack for protocol uniformity — see cancelUpgrade_requires_ack_before_cancel.
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.cancelUpgrade("foo", "v2.0.0")["success"].get<bool>());
}

// ---------------------------------------------------------------------------
// requestInstall / confirmInstall / cancelInstall: the fresh-install gate.
// Mirrors the upgrade gate but with no in-module uninstall step — confirm
// emits installApproved so the initiator runs its own download+install.
// ---------------------------------------------------------------------------

LOGOS_TEST(requestInstall_rejects_empty_name) {
    auto t = LogosTestContext("package_manager");
    EventCapture events;
    PackageManagerImpl impl;
    LogosMap r = impl.requestInstall("", "v1.0.0", "https://repo", "");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_EQ(r["error"].get<std::string>(),
                    std::string("Package name cannot be empty"));
    LOGOS_ASSERT_FALSE(events.has("beforeInstall"));
}

LOGOS_TEST(requestInstall_happy_emits_beforeInstall_with_repo_and_depChanges) {
    auto t = LogosTestContext("package_manager");

    EventCapture events;
    PackageManagerImpl impl;
    // A fresh install need not be already installed — the gate is pure
    // confirmation. depChanges is opaque JSON the host dialog will render.
    const std::string depChanges =
        "[{\"name\":\"dep1\",\"action\":\"install\",\"toVersion\":\"1.2.0\"}]";
    LogosMap r = impl.requestInstall("newpkg", "v1.0.0", "https://repo/x", depChanges);
    LOGOS_ASSERT_TRUE(r["success"].get<bool>());

    auto matches = events.all("beforeInstall");
    LOGOS_ASSERT_EQ(matches.size(), static_cast<size_t>(1));
    LogosMap payload = LogosMap::parse(matches[0].data);
    LOGOS_ASSERT_EQ(payload["name"].get<std::string>(), std::string("newpkg"));
    LOGOS_ASSERT_EQ(payload["releaseTag"].get<std::string>(), std::string("v1.0.0"));
    LOGOS_ASSERT_EQ(payload["repositoryUrl"].get<std::string>(), std::string("https://repo/x"));
    // depChanges is embedded as a parsed JSON array, not a re-stringified blob.
    LOGOS_ASSERT_TRUE(payload["depChanges"].is_array());
    LOGOS_ASSERT_EQ(payload["depChanges"].size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(payload["depChanges"][0]["name"].get<std::string>(), std::string("dep1"));

    impl.resetPendingAction();
}

LOGOS_TEST(requestInstall_empty_depChanges_yields_empty_array) {
    auto t = LogosTestContext("package_manager");
    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestInstall("newpkg", "v1.0.0", "", "")["success"].get<bool>());

    LogosMap payload = LogosMap::parse(events.all("beforeInstall")[0].data);
    LOGOS_ASSERT_TRUE(payload["depChanges"].is_array());
    LOGOS_ASSERT_EQ(payload["depChanges"].size(), static_cast<size_t>(0));

    impl.resetPendingAction();
}

LOGOS_TEST(requestInstall_rejects_when_already_pending) {
    auto t = LogosTestContext("package_manager");
    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestInstall("newpkg", "v1.0.0", "", "")["success"].get<bool>());

    LogosMap blocked = impl.requestInstall("other", "v1.0.0", "", "");
    LOGOS_ASSERT_FALSE(blocked["success"].get<bool>());
    LOGOS_ASSERT_TRUE(blocked["error"].get<std::string>().find("install") != std::string::npos);

    impl.resetPendingAction();
}

LOGOS_TEST(confirmInstall_happy_emits_installApproved) {
    auto t = LogosTestContext("package_manager");
    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestInstall("newpkg", "v1.0.0", "https://repo/x", "")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("newpkg")["success"].get<bool>());

    LogosMap r = impl.confirmInstall("newpkg");
    LOGOS_ASSERT_TRUE(r["success"].get<bool>());

    auto approved = events.all("installApproved");
    LOGOS_ASSERT_EQ(approved.size(), static_cast<size_t>(1));
    LogosMap payload = LogosMap::parse(approved[0].data);
    LOGOS_ASSERT_EQ(payload["name"].get<std::string>(), std::string("newpkg"));
    LOGOS_ASSERT_EQ(payload["releaseTag"].get<std::string>(), std::string("v1.0.0"));
    LOGOS_ASSERT_EQ(payload["repositoryUrl"].get<std::string>(), std::string("https://repo/x"));

    // Gate cleared — a fresh request must now succeed.
    LOGOS_ASSERT_TRUE(impl.requestInstall("again", "v1.0.0", "", "")["success"].get<bool>());
    impl.resetPendingAction();
}

LOGOS_TEST(confirmInstall_requires_ack_before_confirm) {
    auto t = LogosTestContext("package_manager");
    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestInstall("newpkg", "v1.0.0", "", "")["success"].get<bool>());

    LogosMap r = impl.confirmInstall("newpkg");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_TRUE(r["error"].get<std::string>().find("has not been acknowledged") != std::string::npos);
    LOGOS_ASSERT_FALSE(events.has("installApproved"));

    impl.resetPendingAction();
}

LOGOS_TEST(cancelInstall_emits_installCancelled_with_user_reason) {
    auto t = LogosTestContext("package_manager");
    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestInstall("newpkg", "v1.0.0", "https://repo/x", "")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("newpkg")["success"].get<bool>());

    LogosMap r = impl.cancelInstall("newpkg");
    LOGOS_ASSERT_TRUE(r["success"].get<bool>());

    auto cancelled = events.all("installCancelled");
    LOGOS_ASSERT_EQ(cancelled.size(), static_cast<size_t>(1));
    LogosMap payload = LogosMap::parse(cancelled[0].data);
    LOGOS_ASSERT_EQ(payload["name"].get<std::string>(), std::string("newpkg"));
    LOGOS_ASSERT_EQ(payload["reason"].get<std::string>(), std::string("user cancelled"));
    LOGOS_ASSERT_FALSE(events.has("installApproved"));
}

LOGOS_TEST(requestUpgrade_carries_depChanges_in_beforeUpgrade) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    const std::string depChanges =
        "[{\"name\":\"dep1\",\"action\":\"upgrade\",\"fromVersion\":\"1.0.0\",\"toVersion\":\"1.2.0\"}]";
    LOGOS_ASSERT_TRUE(impl.requestUpgrade("foo", "v2.0.0", 0, depChanges)["success"].get<bool>());

    LogosMap payload = LogosMap::parse(events.all("beforeUpgrade")[0].data);
    LOGOS_ASSERT_TRUE(payload["depChanges"].is_array());
    LOGOS_ASSERT_EQ(payload["depChanges"].size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(payload["depChanges"][0]["action"].get<std::string>(), std::string("upgrade"));

    impl.resetPendingAction();
}

// ---------------------------------------------------------------------------
// cancelUninstall / cancelUpgrade: happy / missing / mismatch
// ---------------------------------------------------------------------------

LOGOS_TEST(cancelUninstall_emits_uninstallCancelled_with_user_reason) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUninstall("foo")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    LogosMap r = impl.cancelUninstall("foo");
    LOGOS_ASSERT_TRUE(r["success"].get<bool>());

    auto cancelled = events.all("uninstallCancelled");
    LOGOS_ASSERT_EQ(cancelled.size(), static_cast<size_t>(1));
    LogosMap payload = LogosMap::parse(cancelled[0].data);
    LOGOS_ASSERT_EQ(payload["name"].get<std::string>(), std::string("foo"));
    LOGOS_ASSERT_EQ(payload["reason"].get<std::string>(), std::string("user cancelled"));

    // State cleared — a second cancel is a no-match error.
    LogosMap again = impl.cancelUninstall("foo");
    LOGOS_ASSERT_FALSE(again["success"].get<bool>());
}

LOGOS_TEST(cancelUninstall_no_pending_returns_error) {
    auto t = LogosTestContext("package_manager");
    EventCapture events;
    PackageManagerImpl impl;
    LogosMap r = impl.cancelUninstall("foo");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_FALSE(events.has("uninstallCancelled"));
}

LOGOS_TEST(cancelUpgrade_emits_upgradeCancelled_with_tag_and_reason) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUpgrade("foo", "v2.0.0", 0, "")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    LogosMap r = impl.cancelUpgrade("foo", "v2.0.0");
    LOGOS_ASSERT_TRUE(r["success"].get<bool>());

    auto cancelled = events.all("upgradeCancelled");
    LOGOS_ASSERT_EQ(cancelled.size(), static_cast<size_t>(1));
    LogosMap payload = LogosMap::parse(cancelled[0].data);
    LOGOS_ASSERT_EQ(payload["name"].get<std::string>(), std::string("foo"));
    LOGOS_ASSERT_EQ(payload["releaseTag"].get<std::string>(), std::string("v2.0.0"));
    LOGOS_ASSERT_EQ(payload["reason"].get<std::string>(), std::string("user cancelled"));
}

LOGOS_TEST(cancelUpgrade_tag_mismatch_returns_error) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUpgrade("foo", "v2.0.0", 0, "")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    LogosMap r = impl.cancelUpgrade("foo", "v9.9.9");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_FALSE(events.has("upgradeCancelled"));

    // Original pending survives the mismatched cancel.
    LOGOS_ASSERT_TRUE(impl.cancelUpgrade("foo", "v2.0.0")["success"].get<bool>());
}

LOGOS_TEST(cancelUninstall_requires_ack_before_cancel) {
    // Symmetric with confirmUninstall_requires_ack_before_confirm: cancel
    // also demands a prior ack so the gated protocol's two-phase contract
    // is uniform across all four confirm/cancel slots. An un-acked pending
    // state belongs to the ack-reception timer — cancelling it directly
    // would suppress the "no listener acknowledged" timeout event that
    // initiators rely on for uniform cancellation handling.
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUninstall("foo")["success"].get<bool>());

    LogosMap r = impl.cancelUninstall("foo");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_TRUE(r["error"].get<std::string>().find("has not been acknowledged") != std::string::npos);
    // No uninstallCancelled event fires — the un-acked request is still
    // owned by the timer, not by a confirming listener.
    LOGOS_ASSERT_FALSE(events.has("uninstallCancelled"));

    // Pending survives — an ack+cancel still succeeds.
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.cancelUninstall("foo")["success"].get<bool>());
}

LOGOS_TEST(cancelUpgrade_requires_ack_before_cancel) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUpgrade("foo", "v2.0.0", 0, "")["success"].get<bool>());

    LogosMap r = impl.cancelUpgrade("foo", "v2.0.0");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_TRUE(r["error"].get<std::string>().find("has not been acknowledged") != std::string::npos);
    LOGOS_ASSERT_FALSE(events.has("upgradeCancelled"));

    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.cancelUpgrade("foo", "v2.0.0")["success"].get<bool>());
}

// ---------------------------------------------------------------------------
// Ack-timeout worker: fires cancellation on no-ack; ack / confirm / cancel /
// reset all cancel the timer.
// ---------------------------------------------------------------------------

LOGOS_TEST(ackTimeout_fires_uninstallCancelled_with_timeout_reason) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    // Hook must be set before requestUninstall — otherwise the worker is
    // already running with the 3s default.
    impl.setAckTimeoutMsForTest(30);
    LOGOS_ASSERT_TRUE(impl.requestUninstall("foo")["success"].get<bool>());

    // No ack within 30 ms — worker should fire uninstallCancelled.
    auto e = events.waitFor("uninstallCancelled", 1000);
    LOGOS_ASSERT_EQ(e.name, std::string("uninstallCancelled"));
    LogosMap payload = LogosMap::parse(e.data);
    LOGOS_ASSERT_EQ(payload["name"].get<std::string>(), std::string("foo"));
    std::string reason = payload["reason"].get<std::string>();
    LOGOS_ASSERT_TRUE(reason.find("no listener acknowledged") != std::string::npos);
    LOGOS_ASSERT_TRUE(reason.find("30ms") != std::string::npos);
}

LOGOS_TEST(ackTimeout_fires_upgradeCancelled_with_timeout_reason) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    impl.setAckTimeoutMsForTest(30);
    LOGOS_ASSERT_TRUE(impl.requestUpgrade("foo", "v2.0.0", 0, "")["success"].get<bool>());

    auto e = events.waitFor("upgradeCancelled", 1000);
    LOGOS_ASSERT_EQ(e.name, std::string("upgradeCancelled"));
    LogosMap payload = LogosMap::parse(e.data);
    LOGOS_ASSERT_EQ(payload["name"].get<std::string>(), std::string("foo"));
    LOGOS_ASSERT_EQ(payload["releaseTag"].get<std::string>(), std::string("v2.0.0"));
    LOGOS_ASSERT_TRUE(payload["reason"].get<std::string>().find("no listener acknowledged") != std::string::npos);
}

LOGOS_TEST(ack_cancels_timer_no_timeout_event) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    impl.setAckTimeoutMsForTest(30);
    LOGOS_ASSERT_TRUE(impl.requestUninstall("foo")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    // Sleep past the timeout window — no cancellation should be emitted.
    std::this_thread::sleep_for(std::chrono::milliseconds(200));
    LOGOS_ASSERT_FALSE(events.has("uninstallCancelled"));

    impl.resetPendingAction();
}

LOGOS_TEST(confirmUninstall_cancels_timer_no_timeout_event) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo", "core");
    t.mockCFunction("uninstallPackage_success").returns(true);

    EventCapture events;
    PackageManagerImpl impl;
    impl.setAckTimeoutMsForTest(30);
    LOGOS_ASSERT_TRUE(impl.requestUninstall("foo")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.confirmUninstall("foo")["success"].get<bool>());

    std::this_thread::sleep_for(std::chrono::milliseconds(200));
    LOGOS_ASSERT_FALSE(events.has("uninstallCancelled"));
    // The real uninstall event did still fire.
    LOGOS_ASSERT_TRUE(events.has("corePluginUninstalled"));
}

LOGOS_TEST(cancelUninstall_cancels_timer_only_user_reason_emitted) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    impl.setAckTimeoutMsForTest(30);
    LOGOS_ASSERT_TRUE(impl.requestUninstall("foo")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.cancelUninstall("foo")["success"].get<bool>());

    // Wait well past the short timeout — exactly one uninstallCancelled
    // (from cancelUninstall) with reason "user cancelled", no duplicate
    // from the worker.
    std::this_thread::sleep_for(std::chrono::milliseconds(200));
    auto cancelled = events.all("uninstallCancelled");
    LOGOS_ASSERT_EQ(cancelled.size(), static_cast<size_t>(1));
    LogosMap payload = LogosMap::parse(cancelled[0].data);
    LOGOS_ASSERT_EQ(payload["reason"].get<std::string>(), std::string("user cancelled"));
}

LOGOS_TEST(resetPendingAction_cancels_timer_no_timeout_event) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    impl.setAckTimeoutMsForTest(30);
    LOGOS_ASSERT_TRUE(impl.requestUninstall("foo")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.resetPendingAction()["success"].get<bool>());

    std::this_thread::sleep_for(std::chrono::milliseconds(200));
    LOGOS_ASSERT_FALSE(events.has("uninstallCancelled"));
    LOGOS_ASSERT_FALSE(events.has("upgradeCancelled"));
}

// ---------------------------------------------------------------------------
// resetPendingAction: clears pending state so the next request goes through.
// ---------------------------------------------------------------------------

LOGOS_TEST(resetPendingAction_allows_new_request) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackage("foo");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestUninstall("foo")["success"].get<bool>());
    // Without reset the second request fails:
    LOGOS_ASSERT_FALSE(impl.requestUninstall("foo")["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.resetPendingAction()["success"].get<bool>());
    // Now it goes through again.
    LOGOS_ASSERT_TRUE(impl.requestUninstall("foo")["success"].get<bool>());

    impl.resetPendingAction();
}

// ---------------------------------------------------------------------------
// requestMultiUninstall / confirmMultiUninstall / cancelMultiUninstall
// ---------------------------------------------------------------------------
//
// Multi-package gated uninstall: same protocol as the single-package version
// (one pending slot, one ack, one confirm/cancel) but operates on a batch.
// Tests below mirror the single-uninstall structure (validation → happy →
// confirm → cancel → cross-op) plus the batch-specific bits: dependents
// dedup + batch-member exclusion, the multiUninstallCancelled payload shape.

namespace {
// Prime N user-installed packages — installedDependentsNames lookups in
// requestMultiUninstall need each one visible to isEmbedded.
static void primeInstalledUserPackages(const std::vector<std::string>& names,
                                       const std::string& type = "core") {
    std::vector<InstalledPackage> pkgs;
    pkgs.reserve(names.size());
    for (const auto& n : names) {
        InstalledPackage p;
        p.name = n;
        p.type = type;
        p.installType = InstallType::User;
        pkgs.push_back(p);
    }
    setMockInstalledPackages(pkgs);
}
} // namespace

LOGOS_TEST(requestMultiUninstall_rejects_empty_list) {
    auto t = LogosTestContext("package_manager");
    EventCapture events;
    PackageManagerImpl impl;
    LogosMap r = impl.requestMultiUninstall({});
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_EQ(r["error"].get<std::string>(),
                    std::string("Package list cannot be empty"));
    LOGOS_ASSERT_FALSE(events.has("beforeMultiUninstall"));
}

LOGOS_TEST(requestMultiUninstall_rejects_empty_name_in_list) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo"});

    EventCapture events;
    PackageManagerImpl impl;
    LogosMap r = impl.requestMultiUninstall({"foo", ""});
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_EQ(r["error"].get<std::string>(),
                    std::string("Package names cannot be empty"));
    LOGOS_ASSERT_FALSE(events.has("beforeMultiUninstall"));
}

LOGOS_TEST(requestMultiUninstall_rejects_when_any_embedded) {
    auto t = LogosTestContext("package_manager");
    InstalledPackage user;
    user.name = "foo";
    user.type = "core";
    user.installType = InstallType::User;
    InstalledPackage embedded;
    embedded.name = "core_embed";
    embedded.type = "core";
    embedded.installType = InstallType::Embedded;
    setMockInstalledPackages({user, embedded});

    EventCapture events;
    PackageManagerImpl impl;
    LogosMap r = impl.requestMultiUninstall({"foo", "core_embed"});
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    // Error message lists the offending embedded package(s).
    std::string err = r["error"].get<std::string>();
    LOGOS_ASSERT_TRUE(err.find("embedded") != std::string::npos);
    LOGOS_ASSERT_TRUE(err.find("core_embed") != std::string::npos);
    LOGOS_ASSERT_FALSE(events.has("beforeMultiUninstall"));
}

LOGOS_TEST(requestMultiUninstall_rejects_when_already_pending) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo", "bar"});

    EventCapture events;
    PackageManagerImpl impl;
    LogosMap first = impl.requestMultiUninstall({"foo", "bar"});
    LOGOS_ASSERT_TRUE(first["success"].get<bool>());

    // A subsequent multi-uninstall while one is pending must be rejected,
    // and the error message must mention the in-progress op.
    LogosMap second = impl.requestMultiUninstall({"foo", "bar"});
    LOGOS_ASSERT_FALSE(second["success"].get<bool>());
    std::string err = second["error"].get<std::string>();
    LOGOS_ASSERT_TRUE(err.find("multi-uninstall") != std::string::npos);

    impl.resetPendingAction();
}

LOGOS_TEST(requestMultiUninstall_emits_beforeMultiUninstall_with_names_and_dependents) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo", "bar"});

    // The same dependent tree is returned for every resolveDependents call
    // (mock semantics). Root="foo" with child "parent_pkg" — verifies the
    // payload carries `installedDependents`.
    DependentTreeNode root;
    root.name = "foo";
    DependentTreeNode parent;
    parent.name = "parent_pkg";
    root.children = {parent};
    setMockDependentTree(root);

    EventCapture events;
    PackageManagerImpl impl;
    LogosMap r = impl.requestMultiUninstall({"foo", "bar"});
    LOGOS_ASSERT_TRUE(r["success"].get<bool>());
    LOGOS_ASSERT_FALSE(r.contains("error"));

    auto matches = events.all("beforeMultiUninstall");
    LOGOS_ASSERT_EQ(matches.size(), static_cast<size_t>(1));
    LogosMap payload = LogosMap::parse(matches[0].data);

    // Payload carries the full `names` array (not a single `name` string).
    LOGOS_ASSERT_TRUE(payload.contains("names"));
    LOGOS_ASSERT_FALSE(payload.contains("name"));
    LOGOS_ASSERT_EQ(payload["names"].size(), static_cast<size_t>(2));
    LOGOS_ASSERT_EQ(payload["names"][0].get<std::string>(), std::string("foo"));
    LOGOS_ASSERT_EQ(payload["names"][1].get<std::string>(), std::string("bar"));

    // installedDependents has at least parent_pkg (mock returns same tree
    // for both packages, dedup keeps it just once).
    LOGOS_ASSERT_TRUE(payload["installedDependents"].is_array());
    bool hasParent = false;
    for (size_t i = 0; i < payload["installedDependents"].size(); ++i) {
        if (payload["installedDependents"][i].get<std::string>() == "parent_pkg") {
            hasParent = true;
            break;
        }
    }
    LOGOS_ASSERT_TRUE(hasParent);

    impl.resetPendingAction();
}

LOGOS_TEST(requestMultiUninstall_dependents_excludes_batch_members) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo", "bar"});

    // Tree where one of the dependents IS a member of the batch (`bar`).
    // The non-trivial logic under test: bar should NOT appear in
    // installedDependents because it's already being uninstalled.
    DependentTreeNode root;
    root.name = "foo";
    DependentTreeNode barNode;
    barNode.name = "bar";
    DependentTreeNode parent;
    parent.name = "parent_pkg";
    root.children = {barNode, parent};
    setMockDependentTree(root);

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestMultiUninstall({"foo", "bar"})["success"].get<bool>());

    auto matches = events.all("beforeMultiUninstall");
    LogosMap payload = LogosMap::parse(matches[0].data);
    // Walk installedDependents: bar must be filtered out, parent_pkg must remain.
    bool sawBar = false;
    bool sawParent = false;
    for (size_t i = 0; i < payload["installedDependents"].size(); ++i) {
        const std::string n = payload["installedDependents"][i].get<std::string>();
        if (n == "bar")        sawBar = true;
        if (n == "parent_pkg") sawParent = true;
    }
    LOGOS_ASSERT_FALSE(sawBar);
    LOGOS_ASSERT_TRUE(sawParent);

    impl.resetPendingAction();
}

LOGOS_TEST(ackPendingAction_works_using_first_batch_name) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo", "bar"});

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestMultiUninstall({"foo", "bar"})["success"].get<bool>());

    // Per the impl: m_pendingAction.name is set to names[0], so single-name
    // ackPendingAction continues to work unchanged for the multi flow.
    LogosMap ack = impl.ackPendingAction("foo");
    LOGOS_ASSERT_TRUE(ack["success"].get<bool>());

    impl.resetPendingAction();
}

LOGOS_TEST(confirmMultiUninstall_all_succeed_emits_per_package_events) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo", "bar"}, "core");
    t.mockCFunction("uninstallPackage_success").returns(true);
    t.mockCFunction("uninstallPackage_removed").returns("/m/x.dylib");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestMultiUninstall({"foo", "bar"})["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    LogosMap r = impl.confirmMultiUninstall({"foo", "bar"});
    LOGOS_ASSERT_TRUE(r["success"].get<bool>());
    // Per-package results array carries one entry per submitted name.
    LOGOS_ASSERT_EQ(r["results"].size(), static_cast<size_t>(2));
    LOGOS_ASSERT_EQ(r["results"][0]["name"].get<std::string>(), std::string("foo"));
    LOGOS_ASSERT_TRUE(r["results"][0]["success"].get<bool>());
    LOGOS_ASSERT_EQ(r["results"][1]["name"].get<std::string>(), std::string("bar"));
    LOGOS_ASSERT_TRUE(r["results"][1]["success"].get<bool>());

    // Per-package corePluginUninstalled events fired (one per uninstall, two total).
    LOGOS_ASSERT_EQ(events.all("corePluginUninstalled").size(), static_cast<size_t>(2));

    // A second confirm fails — pending was cleared.
    LogosMap again = impl.confirmMultiUninstall({"foo", "bar"});
    LOGOS_ASSERT_FALSE(again["success"].get<bool>());
}

LOGOS_TEST(confirmMultiUninstall_all_fail_returns_top_level_success_false) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo", "bar"}, "core");
    t.mockCFunction("uninstallPackage_success").returns(false);
    t.mockCFunction("uninstallPackage_error").returns("delete failed");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestMultiUninstall({"foo", "bar"})["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    LogosMap r = impl.confirmMultiUninstall({"foo", "bar"});
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_EQ(r["results"].size(), static_cast<size_t>(2));
    // Both results carry success=false and the per-package error.
    for (size_t i = 0; i < r["results"].size(); ++i) {
        LOGOS_ASSERT_FALSE(r["results"][i]["success"].get<bool>());
        LOGOS_ASSERT_EQ(r["results"][i]["error"].get<std::string>(),
                        std::string("delete failed"));
    }
    // No per-package corePluginUninstalled events when uninstalls fail.
    LOGOS_ASSERT_FALSE(events.has("corePluginUninstalled"));
}

LOGOS_TEST(confirmMultiUninstall_no_pending_returns_error) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;

    LogosMap r = impl.confirmMultiUninstall({"foo", "bar"});
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_TRUE(r["error"].get<std::string>()
                          .find("No matching pending multi-uninstall") != std::string::npos);
}

LOGOS_TEST(confirmMultiUninstall_name_mismatch_returns_error) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo", "bar"}, "core");

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestMultiUninstall({"foo", "bar"})["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    // Confirm with a different list — same first name but a different second name.
    LogosMap r = impl.confirmMultiUninstall({"foo", "baz"});
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());

    // Pending state must still be valid — a correct cancel should succeed.
    LOGOS_ASSERT_TRUE(impl.cancelMultiUninstall({"foo", "bar"})["success"].get<bool>());
}

LOGOS_TEST(confirmMultiUninstall_without_ack_returns_error) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo", "bar"});

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestMultiUninstall({"foo", "bar"})["success"].get<bool>());
    // Skip ackPendingAction — confirm should fail.
    LogosMap r = impl.confirmMultiUninstall({"foo", "bar"});
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_TRUE(r["error"].get<std::string>()
                          .find("not been acknowledged") != std::string::npos);

    impl.resetPendingAction();
}

LOGOS_TEST(cancelMultiUninstall_emits_multiUninstallCancelled_with_names_array) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo", "bar"});

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestMultiUninstall({"foo", "bar"})["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    LogosMap r = impl.cancelMultiUninstall({"foo", "bar"});
    LOGOS_ASSERT_TRUE(r["success"].get<bool>());

    auto matches = events.all("multiUninstallCancelled");
    LOGOS_ASSERT_EQ(matches.size(), static_cast<size_t>(1));
    LogosMap payload = LogosMap::parse(matches[0].data);
    // Distinct from uninstallCancelled / upgradeCancelled: payload uses
    // `names` (array) rather than `name` (string).
    LOGOS_ASSERT_TRUE(payload.contains("names"));
    LOGOS_ASSERT_FALSE(payload.contains("name"));
    LOGOS_ASSERT_EQ(payload["names"].size(), static_cast<size_t>(2));
    LOGOS_ASSERT_EQ(payload["reason"].get<std::string>(), std::string("user cancelled"));
}

LOGOS_TEST(cancelMultiUninstall_no_pending_returns_error) {
    auto t = LogosTestContext("package_manager");
    PackageManagerImpl impl;

    LogosMap r = impl.cancelMultiUninstall({"foo", "bar"});
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    LOGOS_ASSERT_TRUE(r["error"].get<std::string>()
                          .find("No matching pending multi-uninstall") != std::string::npos);
}

LOGOS_TEST(cancelMultiUninstall_name_mismatch_returns_error) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo", "bar"});

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestMultiUninstall({"foo", "bar"})["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    LogosMap r = impl.cancelMultiUninstall({"foo", "baz"});
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    // Original pending still valid.
    LOGOS_ASSERT_TRUE(impl.cancelMultiUninstall({"foo", "bar"})["success"].get<bool>());
}

LOGOS_TEST(requestMultiUninstall_blocks_subsequent_requestUninstall) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo", "bar"});

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestMultiUninstall({"foo", "bar"})["success"].get<bool>());

    // A single-package request while a multi is pending must fail.
    LogosMap r = impl.requestUninstall("foo");
    LOGOS_ASSERT_FALSE(r["success"].get<bool>());
    std::string err = r["error"].get<std::string>();
    LOGOS_ASSERT_TRUE(err.find("multi-uninstall") != std::string::npos);

    impl.resetPendingAction();
}

LOGOS_TEST(requestMultiUninstall_dedupes_duplicate_input_names) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo", "bar"});

    EventCapture events;
    PackageManagerImpl impl;
    // Caller passes duplicates; impl must dedupe so doUninstall isn't called
    // twice for the same name in confirmMultiUninstall.
    LogosMap r = impl.requestMultiUninstall({"foo", "foo", "bar", "foo"});
    LOGOS_ASSERT_TRUE(r["success"].get<bool>());

    auto matches = events.all("beforeMultiUninstall");
    LogosMap payload = LogosMap::parse(matches[0].data);
    // First-occurrence order preserved: foo (first), bar (third). The
    // duplicate "foo"s drop out.
    LOGOS_ASSERT_EQ(payload["names"].size(), static_cast<size_t>(2));
    LOGOS_ASSERT_EQ(payload["names"][0].get<std::string>(), std::string("foo"));
    LOGOS_ASSERT_EQ(payload["names"][1].get<std::string>(), std::string("bar"));

    impl.resetPendingAction();
}

LOGOS_TEST(confirmMultiUninstall_accepts_caller_with_duplicates) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo", "bar"}, "core");
    t.mockCFunction("uninstallPackage_success").returns(true);
    t.mockCFunction("uninstallPackage_removed").returns("/m/x.dylib");

    EventCapture events;
    PackageManagerImpl impl;
    // Stored pending state holds the deduped list — confirm with the original
    // duplicated form must still match (both sides dedupe at the boundary)
    // and must call doUninstall exactly once per unique name.
    LOGOS_ASSERT_TRUE(impl.requestMultiUninstall({"foo", "foo", "bar"})["success"].get<bool>());
    LOGOS_ASSERT_TRUE(impl.ackPendingAction("foo")["success"].get<bool>());

    LogosMap r = impl.confirmMultiUninstall({"foo", "foo", "bar"});
    LOGOS_ASSERT_TRUE(r["success"].get<bool>());
    LOGOS_ASSERT_EQ(r["results"].size(), static_cast<size_t>(2));      // not 3
    LOGOS_ASSERT_EQ(events.all("corePluginUninstalled").size(),
                    static_cast<size_t>(2));                            // not 3
}

LOGOS_TEST(ackPendingAction_accepts_any_name_in_multi_uninstall_batch) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo", "bar", "baz"});

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestMultiUninstall({"foo", "bar", "baz"})["success"].get<bool>());

    // Listener acks with the THIRD batch member — must succeed. Coupling the
    // wire protocol to names[0] specifically would force callers to know an
    // internal storage detail.
    LogosMap ack = impl.ackPendingAction("baz");
    LOGOS_ASSERT_TRUE(ack["success"].get<bool>());

    impl.resetPendingAction();
}

LOGOS_TEST(ackPendingAction_rejects_name_not_in_multi_uninstall_batch) {
    auto t = LogosTestContext("package_manager");
    primeInstalledUserPackages({"foo", "bar"});

    EventCapture events;
    PackageManagerImpl impl;
    LOGOS_ASSERT_TRUE(impl.requestMultiUninstall({"foo", "bar"})["success"].get<bool>());

    // Names not in the batch must still be rejected — the relaxation is
    // "any batch member", not "any name at all".
    LogosMap ack = impl.ackPendingAction("not_in_batch");
    LOGOS_ASSERT_FALSE(ack["success"].get<bool>());

    impl.resetPendingAction();
}

// ---------------------------------------------------------------------------
// Dependency CONSTRAINTS across the module ABI: the constraint crosses, and an
// unconstrained package crosses byte-identically to before.
// ---------------------------------------------------------------------------

LOGOS_TEST(getInstalledPackages_carries_dependency_constraints) {
    auto t = LogosTestContext("package_manager");
    InstalledPackage pkg;
    pkg.name = "app";
    pkg.version = "1.0.0";
    pkg.dependencies = {"plain", "lib"};
    PackageDependency constrained;
    constrained.name = "lib";
    constrained.version = "^2.0.0";
    constrained.signer = "did:jwk:eyJrdHkiOiJPS1AifQ";
    pkg.dependencyConstraints = {constrained};
    setMockInstalledPackages({pkg});

    PackageManagerImpl impl;

    LogosList list = impl.getInstalledPackages();
    LOGOS_ASSERT_EQ(list.size(), static_cast<size_t>(1));

    // The edge set is unchanged: plain name STRINGS, both entries, in
    // declared order — consumers index this array as text.
    LOGOS_ASSERT_EQ(list[0]["dependencies"].size(), static_cast<size_t>(2));
    LOGOS_ASSERT_EQ(list[0]["dependencies"][0].get<std::string>(), std::string("plain"));
    LOGOS_ASSERT_EQ(list[0]["dependencies"][1].get<std::string>(), std::string("lib"));

    LOGOS_ASSERT_TRUE(list[0].contains("dependencyConstraints"));
    LOGOS_ASSERT_EQ(list[0]["dependencyConstraints"].size(), static_cast<size_t>(1));
    LogosMap c = list[0]["dependencyConstraints"][0];
    LOGOS_ASSERT_EQ(c["name"].get<std::string>(), std::string("lib"));
    LOGOS_ASSERT_EQ(c["version"].get<std::string>(), std::string("^2.0.0"));
    LOGOS_ASSERT_EQ(c["signer"].get<std::string>(), std::string("did:jwk:eyJrdHkiOiJPS1AifQ"));
}

LOGOS_TEST(getInstalledPackages_omits_constraints_for_bare_names) {
    // The key must be ABSENT, not an empty array, so a reader that does not
    // know it sees the payload it has always seen.
    auto t = LogosTestContext("package_manager");
    InstalledPackage pkg;
    pkg.name = "app";
    pkg.dependencies = {"lib"};
    setMockInstalledPackages({pkg});

    PackageManagerImpl impl;

    LogosList list = impl.getInstalledPackages();
    LOGOS_ASSERT_EQ(list.size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(list[0]["dependencies"].size(), static_cast<size_t>(1));
    LOGOS_ASSERT_FALSE(list[0].contains("dependencyConstraints"));
}

LOGOS_TEST(getInstalledPackages_carries_a_range_only_constraint) {
    // `signer` is optional independently of `version`; a range-only entry must
    // not grow an empty signer key.
    auto t = LogosTestContext("package_manager");
    InstalledPackage pkg;
    pkg.name = "app";
    pkg.dependencies = {"lib"};
    PackageDependency constrained;
    constrained.name = "lib";
    constrained.version = "^2.0.0";
    pkg.dependencyConstraints = {constrained};
    setMockInstalledPackages({pkg});

    PackageManagerImpl impl;

    LogosList list = impl.getInstalledPackages();
    LogosMap c = list[0]["dependencyConstraints"][0];
    LOGOS_ASSERT_EQ(c["version"].get<std::string>(), std::string("^2.0.0"));
    LOGOS_ASSERT_FALSE(c.contains("signer"));
}

// Child installed at a version its parent's range rejects: lib is 1.0.0, the
// edge asked for ^2.0.0.
static DependencyTreeNode makeVersionMismatchTree() {
    DependencyTreeNode root;
    root.name = "app";
    root.status = DependencyStatus::Installed;
    DependencyTreeNode lib;
    lib.name = "lib";
    lib.status = DependencyStatus::VersionMismatch;
    lib.version = "1.0.0";
    lib.installType = InstallType::User;
    lib.requiredVersion = "^2.0.0";
    lib.requiredSigner = "did:jwk:eyJrdHkiOiJPS1AifQ";
    root.children = {lib};
    return root;
}

LOGOS_TEST(resolveDependencies_surfaces_version_mismatch) {
    auto t = LogosTestContext("package_manager");
    setMockDependencyTree(makeVersionMismatchTree());

    PackageManagerImpl impl;

    LogosMap out = impl.resolveDependencies("app", true);
    LogosMap dep = out["children"][0];
    LOGOS_ASSERT_EQ(dep["status"].get<std::string>(), std::string("version_mismatch"));
    // Installed, so it keeps the fields an installed node has; blanking them
    // would hide the version that makes the mismatch actionable.
    LOGOS_ASSERT_EQ(dep["version"].get<std::string>(), std::string("1.0.0"));
    LOGOS_ASSERT_EQ(dep["installType"].get<std::string>(), std::string("user"));
    LOGOS_ASSERT_EQ(dep["requiredVersion"].get<std::string>(), std::string("^2.0.0"));
    LOGOS_ASSERT_EQ(dep["requiredSigner"].get<std::string>(),
                    std::string("did:jwk:eyJrdHkiOiJPS1AifQ"));
}

LOGOS_TEST(resolveFlatDependencies_surfaces_version_mismatch) {
    // A status that only existed on the tree would never reach a list-shaped
    // consumer.
    auto t = LogosTestContext("package_manager");
    setMockDependencyTree(makeVersionMismatchTree());

    PackageManagerImpl impl;

    LogosList flat = impl.resolveFlatDependencies("app", true);
    LOGOS_ASSERT_EQ(flat.size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(flat[0]["name"].get<std::string>(), std::string("lib"));
    LOGOS_ASSERT_EQ(flat[0]["status"].get<std::string>(), std::string("version_mismatch"));
    LOGOS_ASSERT_EQ(flat[0]["requiredVersion"].get<std::string>(), std::string("^2.0.0"));
}

LOGOS_TEST(resolveDependencies_omits_constraint_keys_when_unconstrained) {
    // Pinned as an EXACT KEY SET, not as a few absences: a new key is additive
    // only if it is truly conditional, and `signerDid` is a property of the
    // PACKAGE, not the edge, so it does not go absent just because this edge is
    // unconstrained. Naming only requiredVersion/requiredSigner would not have
    // caught it appearing here. These five are what this API emitted before.
    auto t = LogosTestContext("package_manager");
    setMockDependencyTree(makeForwardTree());

    PackageManagerImpl impl;

    LogosMap out = impl.resolveDependencies("root", true);
    LogosMap dep = out["children"][0];
    LOGOS_ASSERT_EQ(dep["status"].get<std::string>(), std::string("installed"));
    LOGOS_ASSERT_EQ(dep.size(), static_cast<size_t>(5));
    LOGOS_ASSERT_TRUE(dep.contains("name"));
    LOGOS_ASSERT_TRUE(dep.contains("status"));
    LOGOS_ASSERT_TRUE(dep.contains("version"));
    LOGOS_ASSERT_TRUE(dep.contains("installType"));
    LOGOS_ASSERT_TRUE(dep.contains("children"));
    // Named individually too, so a failure says WHICH key appeared.
    LOGOS_ASSERT_FALSE(dep.contains("requiredVersion"));
    LOGOS_ASSERT_FALSE(dep.contains("requiredSigner"));
    LOGOS_ASSERT_FALSE(dep.contains("signerDid"));
}

LOGOS_TEST(resolveDependencies_absent_dependency_keeps_its_declared_range) {
    // Absence outranks mismatch — the library decides that, but a
    // not_installed node still reports the range, so a caller can say WHICH
    // version to go and install.
    auto t = LogosTestContext("package_manager");
    DependencyTreeNode root;
    root.name = "app";
    root.status = DependencyStatus::Installed;
    DependencyTreeNode absent;
    absent.name = "lib";
    absent.status = DependencyStatus::NotInstalled;
    absent.requiredVersion = "^2.0.0";
    root.children = {absent};
    setMockDependencyTree(root);

    PackageManagerImpl impl;

    LogosMap out = impl.resolveDependencies("app", true);
    LogosMap dep = out["children"][0];
    LOGOS_ASSERT_EQ(dep["status"].get<std::string>(), std::string("not_installed"));
    LOGOS_ASSERT_EQ(dep["version"].get<std::string>(), std::string(""));
    LOGOS_ASSERT_EQ(dep["requiredVersion"].get<std::string>(), std::string("^2.0.0"));
}

// ---------------------------------------------------------------------------
// The signer identity, across the ABI
//
// Two different facts, and downstream needs both: `requiredSigner` is the pin
// the dependant declared, `signerDid` is what the installed package's own
// signature says of itself. The verdict is NOT the two compared — it comes
// from verifying under the pin's key, so a signer_mismatch row legitimately
// carries a signerDid that differs from requiredSigner.
// ---------------------------------------------------------------------------

LOGOS_TEST(getInstalledPackages_carries_the_signer_did) {
    auto t = LogosTestContext("package_manager");
    InstalledPackage pkg;
    pkg.name = "app";
    pkg.version = "1.0.0";
    pkg.signerDid = "did:jwk:eyJrdHkiOiJPS1AifQ";
    setMockInstalledPackages({pkg});

    PackageManagerImpl impl;

    LogosList list = impl.getInstalledPackages();
    LOGOS_ASSERT_EQ(list.size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(list[0]["signerDid"].get<std::string>(),
                    std::string("did:jwk:eyJrdHkiOiJPS1AifQ"));
}

LOGOS_TEST(getInstalledPackages_omits_the_signer_did_when_unsigned) {
    // ABSENT, not an empty string: a reader must be able to tell "no
    // signature" from signed, and an empty string reads as neither.
    auto t = LogosTestContext("package_manager");
    InstalledPackage pkg;
    pkg.name = "app";
    setMockInstalledPackages({pkg});

    PackageManagerImpl impl;

    LogosList list = impl.getInstalledPackages();
    LOGOS_ASSERT_FALSE(list[0].contains("signerDid"));
}

// A dependency installed under the right name, signed by the WRONG KEY.
static DependencyTreeNode makeSignerMismatchTree() {
    DependencyTreeNode root;
    root.name = "app";
    root.status = DependencyStatus::Installed;
    DependencyTreeNode lib;
    lib.name = "lib";
    lib.status = DependencyStatus::SignerMismatch;
    lib.version = "1.0.0";
    lib.installType = InstallType::User;
    lib.requiredSigner = "did:jwk:PINNED";
    lib.signerDid = "did:jwk:SOMEBODY_ELSE";
    root.children = {lib};
    return root;
}

LOGOS_TEST(resolveDependencies_surfaces_signer_mismatch_with_both_dids) {
    auto t = LogosTestContext("package_manager");
    setMockDependencyTree(makeSignerMismatchTree());

    PackageManagerImpl impl;

    LogosMap out = impl.resolveDependencies("app", true);
    LogosMap dep = out["children"][0];
    LOGOS_ASSERT_EQ(dep["status"].get<std::string>(), std::string("signer_mismatch"));
    LOGOS_ASSERT_EQ(dep["requiredSigner"].get<std::string>(), std::string("did:jwk:PINNED"));
    LOGOS_ASSERT_EQ(dep["signerDid"].get<std::string>(),
                    std::string("did:jwk:SOMEBODY_ELSE"));
    // A signer-mismatched package IS on disk, so it keeps these; the
    // `Installed || VersionMismatch` chain this replaced blanked them.
    LOGOS_ASSERT_EQ(dep["version"].get<std::string>(), std::string("1.0.0"));
    LOGOS_ASSERT_EQ(dep["installType"].get<std::string>(), std::string("user"));
}

LOGOS_TEST(resolveFlatDependencies_surfaces_signer_mismatch) {
    // The flat projection is the ONLY one basecamp's load gate reads; a status
    // that reached the tree and not this list would block nothing.
    auto t = LogosTestContext("package_manager");
    setMockDependencyTree(makeSignerMismatchTree());

    PackageManagerImpl impl;

    LogosList flat = impl.resolveFlatDependencies("app", true);
    LOGOS_ASSERT_EQ(flat.size(), static_cast<size_t>(1));
    LOGOS_ASSERT_EQ(flat[0]["status"].get<std::string>(), std::string("signer_mismatch"));
    LOGOS_ASSERT_EQ(flat[0]["requiredSigner"].get<std::string>(), std::string("did:jwk:PINNED"));
    LOGOS_ASSERT_EQ(flat[0]["signerDid"].get<std::string>(),
                    std::string("did:jwk:SOMEBODY_ELSE"));
    LOGOS_ASSERT_EQ(flat[0]["version"].get<std::string>(), std::string("1.0.0"));
}

LOGOS_TEST(resolveDependencies_surfaces_signer_unknown_without_a_signer_did) {
    // Absence of evidence crosses as its own status with no signerDid key, so
    // the far side names no signer it does not have.
    auto t = LogosTestContext("package_manager");
    DependencyTreeNode root;
    root.name = "app";
    root.status = DependencyStatus::Installed;
    DependencyTreeNode lib;
    lib.name = "lib";
    lib.status = DependencyStatus::SignerUnknown;
    lib.version = "1.0.0";
    lib.installType = InstallType::Embedded;
    lib.requiredSigner = "did:jwk:PINNED";
    root.children = {lib};
    setMockDependencyTree(root);

    PackageManagerImpl impl;

    LogosMap dep = impl.resolveDependencies("app", true)["children"][0];
    LOGOS_ASSERT_EQ(dep["status"].get<std::string>(), std::string("signer_unknown"));
    LOGOS_ASSERT_EQ(dep["requiredSigner"].get<std::string>(), std::string("did:jwk:PINNED"));
    LOGOS_ASSERT_FALSE(dep.contains("signerDid"));
    // Still on disk. An embedded package can NEVER carry a signature: only
    // installPluginFile copies a manifest.sig into an install tree.
    LOGOS_ASSERT_EQ(dep["version"].get<std::string>(), std::string("1.0.0"));
    LOGOS_ASSERT_EQ(dep["installType"].get<std::string>(), std::string("embedded"));
}

LOGOS_TEST(resolveDependencies_omits_signer_did_for_an_absent_dependency) {
    // NotInstalled blanks version/installType, and an absent package has no
    // signature to report.
    auto t = LogosTestContext("package_manager");
    DependencyTreeNode root;
    root.name = "app";
    root.status = DependencyStatus::Installed;
    DependencyTreeNode absent;
    absent.name = "lib";
    absent.status = DependencyStatus::NotInstalled;
    absent.requiredSigner = "did:jwk:PINNED";
    root.children = {absent};
    setMockDependencyTree(root);

    PackageManagerImpl impl;

    LogosMap dep = impl.resolveDependencies("app", true)["children"][0];
    LOGOS_ASSERT_EQ(dep["status"].get<std::string>(), std::string("not_installed"));
    LOGOS_ASSERT_EQ(dep["version"].get<std::string>(), std::string(""));
    LOGOS_ASSERT_FALSE(dep.contains("signerDid"));
    // The pin still rides along, so a caller can name the publisher to get it
    // from — as requiredVersion does on an absent row.
    LOGOS_ASSERT_EQ(dep["requiredSigner"].get<std::string>(), std::string("did:jwk:PINNED"));
}