// Test with null values array
        String name = "paramName";
        RequestParameter param = new RequestParameter(name, null);

        assertEquals(name, param.getName());
        assertNull(param.getValues());
    }

    @Test
    public void test_constructor_withEmptyValues() {
        // Test with empty values array
        String name = "paramName";
        String[] values = {};

    /**
     * Applies per-prompt-type parameters to the request from configuration.
     * Reads temperature, max.tokens, and thinking.budget from config using
     * the pattern: {configPrefix}.{promptType}.{paramName}
     *
     * Subclasses can override to add provider-specific parameters (e.g. reasoning_effort, top_p).
     *
     * @param request the LLM chat request