IAV-683/ feat(community-manager): Improve UI/UX, add chat functionality, and centralize routing system

This MR introduces improvements to the Community Manager agent, including chat functionality with history management, UI/UX enhancements, URL routing, and a centralized routing system for better maintainability.

Chat Functionality & History Management

• Add chat logic with history management
  • Implemented chat interface with message handling
  • Added chat history with persistent storage
  • Support for chat renaming, deletion and search functionality

UI/UX Improvements

• Add menu button and remove tabs from chat interface

  • Added menu button for better navigation
  • Removed tabs from chat interface for cleaner UI
  • Improved sidebar layout and interactions

• Remove unnecessary platforms and add custom frequency selection

URL Routing & Navigation

• Add URL routing and improve error handling
  • Implemented URL-based navigation for tabs
  • Improved error handling and user feedback
  • Better state management for navigation

Centralized Routing System

• Centralize routing system and fix URL navigation
  • Created reusable routing system in shared/routing/
    • Core types, utilities, and hooks
    • Support for agents and modules with URL routing
    • Automatic mapping between internal IDs and URL slugs
  • Migrated Community Manager to centralized system