feat(itinerary): add row views for itinerary items

Add specialized row components for the new unified itinerary system:
- DayHeaderRow: Day number, date display, and add item button
- GameItemRow: Prominent card with sport color bar for games
- TravelItemRow: Gold-styled travel segments with drag handle
- CustomItemRow: Minimal custom items with icon, title, and optional time

All views follow existing Theme patterns and use SportColorBar for consistency.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

SportsTime/Features/Trip/Views/ItineraryRows/GameItemRow.swift

@@ -0,0 +1,68 @@
+//
+//  GameItemRow.swift
+//  SportsTime
+//
+//  Row view for displaying a game in the itinerary. Prominent card styling with sport color accent.
+//  Games are not reorderable so no drag handle is shown.
+//
+
+import SwiftUI
+
+struct GameItemRow: View {
+    let game: RichGame
+
+    @Environment(\.colorScheme) private var colorScheme
+
+    var body: some View {
+        HStack(spacing: Theme.Spacing.md) {
+            // Sport color bar
+            SportColorBar(sport: game.game.sport)
+
+            VStack(alignment: .leading, spacing: 4) {
+                // Sport badge + Matchup
+                HStack(spacing: 6) {
+                    HStack(spacing: 3) {
+                        Image(systemName: game.game.sport.iconName)
+                            .font(.caption2)
+                        Text(game.game.sport.rawValue)
+                            .font(.caption2)
+                    }
+                    .foregroundStyle(game.game.sport.themeColor)
+
+                    HStack(spacing: 4) {
+                        Text(game.awayTeam.abbreviation)
+                            .font(.body)
+                        Text("@")
+                            .foregroundStyle(Theme.textMuted(colorScheme))
+                        Text(game.homeTeam.abbreviation)
+                            .font(.body)
+                    }
+                    .foregroundStyle(Theme.textPrimary(colorScheme))
+                }
+
+                // Stadium
+                HStack(spacing: 4) {
+                    Image(systemName: "building.2")
+                        .font(.caption2)
+                    Text(game.stadium.name)
+                        .font(.subheadline)
+                }
+                .foregroundStyle(Theme.textSecondary(colorScheme))
+            }
+
+            Spacer()
+
+            // Time
+            Text(game.localGameTimeShort)
+                .font(.subheadline)
+                .foregroundStyle(Theme.warmOrange)
+        }
+        .padding(Theme.Spacing.md)
+        .background(Theme.cardBackgroundElevated(colorScheme))
+        .clipShape(RoundedRectangle(cornerRadius: Theme.CornerRadius.medium))
+        .overlay {
+            RoundedRectangle(cornerRadius: Theme.CornerRadius.medium)
+                .strokeBorder(game.game.sport.themeColor.opacity(0.3), lineWidth: 1)
+        }
+    }
+}