feat: Enhance user dashboard and order management

- Add orders index action to OrdersController with pagination support
- Simplify dashboard to focus on user orders and actions
- Redesign order show page with improved layout and ticket access
- Remove complex event metrics in favor of streamlined order management
- Add direct links to ticket downloads and better order navigation
- Improve responsive design and user experience across order views

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/controllers/pages_controller.rb

@@ -17,30 +17,28 @@ class PagesController < ApplicationController
   # User dashboard showing personalized content
   # Accessible only to authenticated users
   def dashboard
-    # Metrics for dashboard cards
-    @booked_events = current_user.orders.joins(tickets: { ticket_type: :event })
-                                        .where(events: { state: :published })
-                                        .where(orders: { status: [ "paid", "completed" ] })
-                                        .sum("1")
-    @events_today = Event.published.where("DATE(start_time) = ?", Date.current).count
-    @events_tomorrow = Event.published.where("DATE(start_time) = ?", Date.current + 1).count
-    @upcoming_events = Event.published.upcoming.count
-
-    # User's booked events
-    @user_booked_events = Event.joins(ticket_types: { tickets: :order })
-      .where(orders: { user: current_user }, tickets: { status: "active" })
-      .distinct
-      .limit(5)
+    # User's orders with associated data
+    @user_orders = current_user.orders.includes(:event, tickets: :ticket_type)
+                                     .where(status: [ "paid", "completed" ])
+                                     .order(created_at: :desc)
+                                     .limit(10)
 
     # Draft orders that can be retried
     @draft_orders = current_user.orders.includes(tickets: [ :ticket_type, :event ])
                                       .can_retry_payment
                                       .order(:expires_at)
 
-    # Events sections
-    @today_events = Event.published.where("DATE(start_time) = ?", Date.current).order(start_time: :asc)
-    @tomorrow_events = Event.published.where("DATE(start_time) = ?", Date.current + 1).order(start_time: :asc)
-    @other_events = Event.published.upcoming.where.not("DATE(start_time) IN (?)", [ Date.current, Date.current + 1 ]).order(start_time: :asc).page(params[:page])
+    # Simplified upcoming events preview - only show if user has orders
+    if @user_orders.any?
+      ordered_event_ids = @user_orders.map(&:event).map(&:id)
+      @upcoming_preview_events = Event.published
+                                    .upcoming
+                                    .where.not(id: ordered_event_ids)
+                                    .order(start_time: :asc)
+                                    .limit(6)
+    else
+      @upcoming_preview_events = []
+    end
   end
 
   # Events page showing all published events with pagination