[Accessibility] info-list — empty overlay links, icon alt, waypoint animation

[ShubhamGupta05]

Parent: #238

Findings (2 P0, 2 P1, 1 P2, 0 P3 = 5 total)

P0 Critical:

1. info-list.php:162 — Empty overlay <a> (complete link mode) has no aria-label. Screen readers announce blank link (WCAG 4.1.2, 2.4.4)
2. info-list.php:169 — Empty overlay <a> (icon link mode) has no aria-label (WCAG 4.1.2, 2.4.4)

P1 Major:
3. info-list.php:95-128 — List item icon/images missing alt text via image-icon sub-module (WCAG 1.1.1)
4. frontend.js.php:25-33 — Waypoint pulse animation ignores prefers-reduced-motion (WCAG 2.3.3)

P2 Minor:
5. css/frontend.css:146-155 — Overlay link z-index:9 conflicts with inner interactive elements, confusing focus order (WCAG 2.4.3)

Files

• modules/info-list/info-list.php
• modules/info-list/includes/frontend.js.php