Method testNumberColor

tests/test_rendered_view.cpp:234–242

    // ── Verify number color is VS Code light green ──

    void testNumberColor() {
        QsciScintilla sci;
        setupRenderedSci(&sci);

        auto* lexer = qobject_cast<QsciLexerCPP*>(sci.lexer());
        QVERIFY(lexer != nullptr);

        QCOMPARE(lexer->color(QsciLexerCPP::Number), QColor("#b5cea8"));
    }

    // ── Verify string color is VS Code orange ──