[FEATURE]: Phase 1: Mobile Responsive Foundation & Navigation

[amankv1234]

Feature and its Use Cases

Goal

As part of the Mobile Responsiveness Epic, this first phase focuses on fixing the main application shell and navigation for mobile devices.

Tasks

• Create a mobile-friendly hamburger menu (☰) for the Navbar/Sidebar.
• Set up a responsive shell container so the main layout doesn't overflow horizontally on small screens.
• Ensure global CSS handles basic mobile resets.

Additional Context

No response

Code of Conduct

• I have joined the Discord server and will post updates there
• I have searched existing issues to avoid duplicates

[SagarGupta-30]

Phase 1 — Mobile Responsive Foundation Completed ✅

Implemented and verified the Phase 1 mobile responsive foundation in PR #296.

Completed

• 📱 Mobile-responsive navigation and hamburger menu
• 🎨 Theme toggle behavior for mobile navigation
• ♿ Accessibility improvements and keyboard navigation
• 🎯 Focus restoration after mobile menu dismissal
• 📐 Responsive rate-limit banner wrapping for narrow/zoomed viewports
• 🔗 Semantic, keyboard-accessible Add PAT action
• 🧩 Navbar string externalization
• 🖥️ Desktop/mobile breakpoint isolation
• 📌 Preserved sticky navbar behavior

Verification

• 62/62 relevant tests passing
• Production build successful
• git diff --check clean
• Working tree clean
• CodeRabbit findings reviewed and resolved/verified

PR: #296 — feat: complete Phase 1 mobile responsive foundation

This implementation is ready for review.