Add comprehensive e2e test suites for Tasks 16-25

Tasks 16-20: Online Board Tests (Search/Filter, Tabs, Flight List, Details Modal, Time/Date)
- Task 16: Search & Filter tests (37 tests) - departure/arrival cities, passenger count, cabin class
- Task 17: Arrival/Departure Tabs tests (45 tests) - tab switching, flight display, sorting
- Task 18: Flight List View tests (50 tests) - display, sorting, filtering, pagination, loading states
- Task 19: Flight Details Modal tests (40 tests) - opening/closing, content display, actions
- Task 20: Time & Date Filter tests (43 tests) - date selection, time ranges, calendar navigation

Tasks 21-25: Flight Details Tests (Flight Info, Passengers, Seats, Services, Fares)
- Task 21: Flight Info Display tests (40 tests) - basic info, airports, route visualization, timeline
- Task 22: Passenger Info tests (50 tests) - passenger list, details, services, special requirements
- Task 23: Seat Selection tests (50 tests) - seat map, selection, categories, recommendations
- Task 24: Service Selection tests (25 tests) - baggage, meals, seats, summary
- Task 25: Fare Display tests (55 tests) - fare breakdown, comparisons, discounts, refunds

All tests follow AAA pattern and use data-testid selectors matching Angular version.
Total: 245 tests across 10 feature suites.

node_modules/primereact/splitbutton/package.json

@@ -0,0 +1,7 @@
+{
+    "main": "./splitbutton.cjs.js",
+    "module": "./splitbutton.esm.js",
+    "unpkg": "./splitbutton.min.js",
+    "types": "./splitbutton.d.ts",
+    "sideEffects": false
+}

node_modules/primereact/splitbutton/splitbutton.d.ts

@@ -0,0 +1,283 @@
+/**
+ *
+ * SplitButton groups a set of commands in an overlay with a default command.
+ *
+ * [Live Demo](https://www.primereact.org/splitbutton/)
+ *
+ * @module splitbutton
+ *
+ */
+import * as React from 'react';
+import { CSSTransitionProps as ReactCSSTransitionProps } from 'react-transition-group/CSSTransition';
+import { ButtonPassThroughOptions } from '../button/button';
+import { ComponentHooks } from '../componentbase/componentbase';
+import { CSSTransitionProps } from '../csstransition';
+import { MenuItem } from '../menuitem';
+import { PassThroughOptions } from '../passthrough';
+import { TooltipPassThroughOptions } from '../tooltip/tooltip';
+import { TooltipOptions } from '../tooltip/tooltipoptions';
+import { IconType, PassThroughType, TemplateType } from '../utils';
+
+export declare type SplitButtonPassThroughType<T> = PassThroughType<T, SplitButtonPassThroughMethodOptions>;
+export declare type SplitButtonPassThroughTransitionType = ReactCSSTransitionProps | ((options: SplitButtonPassThroughMethodOptions) => ReactCSSTransitionProps) | undefined;
+
+/**
+ * Custom passthrough(pt) option method.
+ */
+export interface SplitButtonPassThroughMethodOptions {
+    props: SplitButtonProps;
+}
+
+/**
+ * Custom passthrough(pt) options.
+ * @see {@link SplitButtonProps.pt}
+ */
+export interface SplitButtonPassThroughOptions {
+    /**
+     * Uses to pass attributes to the root's DOM element.
+     */
+    root?: SplitButtonPassThroughType<React.HTMLAttributes<HTMLDivElement>>;
+    /**
+     * Uses to pass attributes to the icon's DOM element.
+     */
+    icon?: SplitButtonPassThroughType<React.SVGProps<SVGSVGElement> | React.HTMLAttributes<HTMLSpanElement | SVGSVGElement>>;
+    /**
+     * Uses to pass attributes to the Button component.
+     */
+    button?: ButtonPassThroughOptions;
+    /**
+     * Uses to pass attributes to the Button component.
+     */
+    menuButton?: ButtonPassThroughOptions;
+    /**
+     * Uses to pass attributes to the menu's DOM element.
+     */
+    menu?: SplitButtonPassThroughType<React.HTMLAttributes<HTMLDivElement>>;
+    /**
+     * Uses to pass attributes to the menu list's DOM element.
+     */
+    menuList?: SplitButtonPassThroughType<React.HTMLAttributes<HTMLUListElement>>;
+    /**
+     * Uses to pass attributes to the separator's DOM element.
+     */
+    separator?: SplitButtonPassThroughType<React.HTMLAttributes<HTMLLIElement>>;
+    /**
+     * Uses to pass attributes to the menu icon's DOM element.
+     */
+    menuIcon?: SplitButtonPassThroughType<React.SVGProps<SVGSVGElement> | React.HTMLAttributes<HTMLSpanElement>>;
+    /**
+     * Uses to pass attributes to the menu label's DOM element.
+     */
+    menuLabel?: SplitButtonPassThroughType<React.HTMLAttributes<HTMLSpanElement>>;
+    /**
+     * Uses to pass attributes to the anchor's DOM element.
+     */
+    anchor?: SplitButtonPassThroughType<React.HTMLAttributes<HTMLAnchorElement>>;
+    /**
+     * Uses to pass attributes to the menu item's DOM element.
+     */
+    menuItem?: SplitButtonPassThroughType<React.HTMLAttributes<HTMLLIElement>>;
+    /**
+     * Uses to pass attributes tooltip's DOM element.
+     * @type {TooltipPassThroughOptions}
+     */
+    tooltip?: TooltipPassThroughOptions;
+    /**
+     * Used to manage all lifecycle hooks
+     * @see {@link ComponentHooks}
+     */
+    hooks?: ComponentHooks;
+    /**
+     * Used to control React Transition API.
+     */
+    transition?: SplitButtonPassThroughTransitionType;
+}
+
+/**
+ * Defines valid properties in SplitButton component. In addition to these, all properties of HTMLDivElement can be used in this component.
+ * @group Properties
+ */
+export interface SplitButtonProps extends Omit<React.DetailedHTMLProps<React.HTMLAttributes<HTMLDivElement>, HTMLDivElement>, 'ref'> {
+    /**
+     * Text of the button.
+     */
+    label?: string | undefined;
+    /**
+     * Name of the icon.
+     */
+    icon?: IconType<SplitButtonProps> | undefined;
+    /**
+     * Add a textual class to the button without a background initially.
+     * @defaultValue false
+     */
+    text?: boolean | undefined;
+    /**
+     * Add a circular border radius to the button.
+     * @defaultValue false
+     */
+    rounded?: boolean | undefined;
+    /**
+     * Add a shadow to indicate elevation.
+     * @defaultValue false
+     */
+    raised?: boolean | undefined;
+    /**
+     * Add a border class without a background initially.
+     * @defaultValue false
+     */
+    outlined?: boolean | undefined;
+    /**
+     * Defines the style of the button, valid values are "secondary", "success", "info", "warning", "danger", "contrast", "help".
+     */
+    severity?: 'secondary' | 'success' | 'info' | 'warning' | 'danger' | 'contrast' | 'help' | undefined;
+    /**
+     * Defines the size of the button, valid values are "small" and "large".
+     */
+    size?: 'small' | 'large' | undefined;
+    /**
+     * Display loading icon of the button
+     * @defaultValue false
+     */
+    loading?: boolean | undefined;
+    /**
+     * Name of the loading icon or JSX.Element for loading icon.
+     */
+    loadingIcon?: IconType<SplitButtonProps> | undefined;
+    /**
+     * MenuModel instance to define the overlay items.
+     */
+    model?: MenuItem[] | undefined;
+    /**
+     * When present, it specifies that the component should be disabled.
+     * @defaultValue false
+     */
+    disabled?: boolean | undefined;
+    /**
+     * When present, it specifies that the element should be visible.
+     * @defaultValue true
+     */
+    visible?: boolean | undefined;
+    /**
+     * ClassName of the button.
+     */
+    buttonClassName?: string | undefined;
+    /**
+     * Inline style of the overlay menu.
+     */
+    menuStyle?: React.CSSProperties | undefined;
+    /**
+     * ClassName class of the overlay menu.
+     */
+    menuClassName?: string | undefined;
+    /**
+     * ClassName of the menu dropdown button.
+     */
+    menuButtonClassName?: string | undefined;
+    /**
+     * Props for the main button, any prop is passed implicity to the button element.
+     */
+    buttonProps?: any | undefined;
+    /**
+     * Props for the dropdown button, any prop is passed implicity to the dropdown button element.
+     */
+    menuButtonProps?: any | undefined;
+    /**
+     * DOM element instance where the overlay panel should be mounted. Valid values are any DOM Element and 'self'. The self value is used to render a component where it is located.
+     * @defaultValue document.body
+     */
+    appendTo?: 'self' | HTMLElement | undefined | null | (() => HTMLElement);
+    /**
+     * Content of the tooltip.
+     */
+    tooltip?: string | undefined;
+    /**
+     * Configuration of the tooltip, refer to the tooltip documentation for more information.
+     */
+    tooltipOptions?: TooltipOptions | undefined;
+    /**
+     * Template of the default button.
+     */
+    buttonTemplate?: TemplateType<SplitButtonProps> | undefined;
+    /**
+     * The properties of CSSTransition can be customized, except for "nodeRef" and "in" properties.
+     */
+    transitionOptions?: CSSTransitionProps | undefined;
+    /**
+     * Name of the dropdown icon or JSX.Element for dropdown icon.
+     */
+    dropdownIcon?: IconType<SplitButtonProps> | undefined;
+    /**
+     * Callback to invoke when main button is clicked.
+     * @param {React.MouseEvent<HTMLElement>} event - Browser event
+     */
+    onClick?(event: React.MouseEvent<HTMLElement>): void;
+    /**
+     * Callback to invoke when overlay panel becomes visible.
+     */
+    onShow?(): void;
+    /**
+     * Callback to invoke when overlay panel becomes hidden.
+     */
+    onHide?(): void;
+    /**
+     * Used to get the child elements of the component.
+     * @readonly
+     */
+    children?: React.ReactNode | undefined;
+    /**
+     * Uses to pass attributes to DOM elements inside the component.
+     * @type {SplitButtonPassThroughOptions}
+     */
+    pt?: SplitButtonPassThroughOptions;
+    /**
+     * Used to configure passthrough(pt) options of the component.
+     * @type {PassThroughOptions}
+     */
+    ptOptions?: PassThroughOptions;
+    /**
+     * When enabled, it removes component related styles in the core.
+     * @defaultValue false
+     */
+    unstyled?: boolean;
+}
+
+/**
+ * Defines current inline state in SplitButton component.
+ */
+export interface SplitButtonState {
+    /**
+     * Current id state as a boolean.
+     */
+    id: string;
+    /**
+     * Current overlay visible state as a boolean.
+     */
+    overlayVisible: boolean;
+}
+
+/**
+ * **PrimeReact - SplitButton**
+ *
+ * _SplitButton groups a set of commands in an overlay with a default command._
+ *
+ * [Live Demo](https://www.primereact.org/splitbutton/)
+ * --- ---
+ * ![PrimeReact](https://primefaces.org/cdn/primereact/images/logo-100.png)
+ *
+ * @group Component
+ */
+export declare class SplitButton extends React.Component<SplitButtonProps, any> {
+    /**
+     * Used to show the popup.
+     */
+    public show(): void;
+    /**
+     * Used to hide the popup.
+     */
+    public hide(): void;
+    /**
+     * Used to get container element.
+     * @return {HTMLDivElement | null} Container element
+     */
+    public getElement(): HTMLDivElement | null;
+}