Fix aria-labels and placeholder links (Issues #154, #155) - Tier 0 Bounty

[YPC0813]

Changes

Issue INDIGOAZUL#154: Add aria-labels to icon buttons (25 LTD)

• Added aria-label="Cerrar menú" to mobile drawer close button (line 1279)
• All icon-only buttons now have Spanish aria-labels for accessibility

Issue INDIGOAZUL#155: Fix broken placeholder links (30 LTD)

• Converted href="#" links with data-action to <button> elements:
  • Logout menu item → <button class="more-menu-item"> with aria-label
  • MIA Assistant drawer item → <button class="mobile-drawer-item"> with aria-label
• Zero href="#" remaining in file
• All action triggers properly use <button data-action> pattern

Verification Answers

Issue INDIGOAZUL#154

How many <button> elements contain only an <i> icon and no text?

Answer: 2 buttons

1. <button class="mobile-drawer-close"> with <i class="fas fa-times"> - Added aria-label
2. <button class="mobile-fab"> with <i class="fas fa-plus"> - Already had aria-label

Issue INDIGOAZUL#155

How many HTML files at root? Name 5. What tag for click actions?

Answer: 55 HTML files
Examples: home-dashboard.html, index.html, perfil.html, marketplace-social.html, lottery-predictor.html

Click action pattern: <button data-action> (not <a onclick>)

Definition of Done

• All icon-only buttons have aria-label
• Labels are in Spanish
• No functional changes
• Zero href="#" placeholder links
• Action triggers converted from <a> to <button>
• No broken navigation