feat(sav): SAV dashboard improvements - agent rename, UI fixes, conversation history

Overview

SAV dashboard improvements including UI fixes, agent renaming, and conversation history enhancements.

Changes

• Removed duplicate 'Mes sous agents' section from sidebar
• Renamed sidebar button from 'Outils' to 'Agents' with robot icon
• Renamed agent from ITRI to AYAL across all SAV dashboard files
• Added language dropdown with 15 supported languages in configuration
• Implemented single-click conversation history view
• Added fade-in loading animations to conversation detail view

Technical Details

• CustomSelect interface updated to support ReactNode icons
• Removed unsupported props (dropdownBackground, opaque) from CustomSelect usages
• All animations use MUI Fade component with staggered delays
• Glassmorphism styling maintained throughout
• No commented code

Components Added/Updated

• view.tsx (SAV dashboard main view)
• itri-chat-interface.tsx (renamed to AYALChatInterface)
• conversation-tab.tsx (single-click + animations)
• languages-section.tsx (15 language options)
• agent-card/index.tsx (removed duplicate SubAgentsSection)
• custom-select/index.tsx (SelectOption interface fix)

Files Fixed (Build Errors)

• step-notifications.tsx
• alerts-tab.tsx
• notifications-tab.tsx
• article-creation.tsx
• article-list.tsx
• audit-analytics.tsx
• audit-filters.tsx