*
     * @return the collection of phases in Maven 3 compatible ordering
     */
    default Collection<Phase> v3phases() {
        return phases();
    }

    /**
     * Stream of phases containing all child phases recursively.
     *
     * @return a stream of all phases in this lifecycle, including nested phases
     */
    default Stream<Phase> allPhases() {
        return phases().stream().flatMap(Phase::allPhases);
    }

                            @Override
                            public List<Plugin> plugins() {
                                Map<String, LifecyclePhase> lfPhases = lifecycle.getDefaultLifecyclePhases();
                                LifecyclePhase phase = lfPhases != null ? lfPhases.get(name) : null;
                                if (phase != null) {
                                    Map<String, Plugin> plugins = new LinkedHashMap<>();

                    .filter(a -> phase.equals(a.v3Phase()))
                    .findFirst()
                    .map(Lifecycle.Alias::v4Phase)
                    .orElse(phase);
        }

        private String getResolvedPhase(String phase) {
            return lifecycles.stream()
                    .flatMap(l -> l.aliases().stream())
                    .filter(a -> phase.equals(a.v3Phase()))
                    .findFirst()

        callback.onPhaseStart(ChatPhaseCallback.PHASE_ANSWER, "msg");

        assertEquals(5, phases.size());
        assertEquals("intent", phases.get(0));
        assertEquals("search", phases.get(1));
        assertEquals("evaluate", phases.get(2));
        assertEquals("fetch", phases.get(3));
        assertEquals("answer", phases.get(4));
    }

        }
    }

    /**
     * Upgrades deprecated Maven 3 phase names to Maven 4 equivalents.
     * This replaces pre-/post- phases with before:/after: phases.
     */
    private void upgradeDeprecatedPhases(Editor editor, UpgradeContext context) {
        // Create mapping of deprecated phases to their Maven 4 equivalents
        Map<String, String> phaseUpgrades = createPhaseUpgradeMap();

        Element root = editor.root();

                String phase = event.getMojoExecution().getLifecyclePhase();
                if (phase != null) {
                    Deque<String> phases = getLifecycles(project);
                    if (!Objects.equals(phase, phases.peekLast())) {
                        phases.addLast(phase);
                        if ("clean".equals(phase)) {
                            synchronized (project) {

- 1 QA engineer for test infrastructure
- 1 DevOps engineer for CI/CD setup

### Timeline
- **Total Duration**: 6-8 months for all features
- **Phases 1-2**: 2-3 months (High priority)
- **Phases 3-4**: 2 months (Medium priority)
- **Phases 5-6**: 2-3 months (Low priority)

### Infrastructure
- Windows Server test lab
- RDMA-capable test hardware
- Continuous integration environment

                List<String> phases = shellContext.lookup.lookup(LifecycleRegistry.class).stream()
                        .flatMap(Lifecycle::allPhases)
                        .map(Lifecycle.Phase::name)
                        .toList();
                // TODO: add goals dynamically
                List<String> goals = List.of("wrapper:wrapper");
                names = Stream.concat(phases.stream(), goals.stream()).toList();

            MavenOptions options = parseArgs("maven.config", args);
            if (options.goals().isPresent()) {
                // This file can only contain options, not args (goals or phases)
                throw new IllegalArgumentException("Unrecognized entries in maven.config (" + configFile + ") file: "
                        + options.goals().get());
            }
            return options;

            assertTrue(result.success(), "Model upgrade should succeed");
            assertTrue(result.modifiedCount() > 0, "Should have upgraded phases");

            // Verify phases were upgraded
            verifyCleanPluginPhases(document);
            verifyFailsafePluginPhases(document);
            verifySitePluginPhases(document);