feat(renderer): vertical timeline for multiple events (M10.10)

- TimelineRenderer.vue: alternating left/right on desktop, single column mobile
- Animated entries with staggered fade-up
- Auto-switches to timeline when 3+ events detected
- Individual EventCards for 1-2 events

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/app/src/components/chat/ChatMessage.vue

@@ -192,7 +192,12 @@
         />
       </div>
 
-      <div v-if="inlineEvents.length > 0" class="mt-3 space-y-2" @click.stop>
+      <!-- Timeline view for 3+ events -->
+      <div v-if="inlineEvents.length >= 3" class="mt-3" @click.stop>
+        <TimelineRenderer :events="inlineEvents" />
+      </div>
+      <!-- Individual event cards for 1-2 events -->
+      <div v-else-if="inlineEvents.length > 0" class="mt-3 space-y-2" @click.stop>
         <EventCard
           v-for="(event, i) in inlineEvents"
           :key="`event-${i}`"
@@ -356,6 +361,7 @@ import { extractRecipes, extractEvents } from '@/composables/contentExtraction'
 import RecipeCard from '@/components/renderers/RecipeCard.vue'
 import EventCard from '@/components/renderers/EventCard.vue'
 import InteractiveTable from '@/components/renderers/InteractiveTable.vue'
+import TimelineRenderer from '@/components/renderers/TimelineRenderer.vue'
 import { extractTables } from '@/composables/useTableExtractor'
 
 const props = withDefaults(

packages/app/src/components/renderers/TimelineRenderer.vue

@@ -0,0 +1,53 @@
+<template>
+  <div class="timeline-renderer my-4">
+    <div class="relative">
+      <!-- Vertical line -->
+      <div class="absolute left-4 md:left-1/2 top-0 bottom-0 w-px bg-white/10 md:-translate-x-px" />
+
+      <!-- Timeline entries -->
+      <div
+        v-for="(event, i) in events"
+        :key="i"
+        class="relative flex items-start gap-4 mb-6 animate-fade-up-fast"
+        :class="i % 2 === 0 ? 'md:flex-row' : 'md:flex-row-reverse'"
+        :style="{ animationDelay: `${i * 80}ms` }"
+      >
+        <!-- Dot -->
+        <div
+          class="absolute left-4 md:left-1/2 w-3 h-3 rounded-full bg-accent border-2 border-black z-10 md:-translate-x-1.5"
+          :style="{ top: '6px' }"
+        />
+
+        <!-- Date (mobile: inline, desktop: left/right side) -->
+        <div class="hidden md:block w-[calc(50%-2rem)] text-right shrink-0" :class="i % 2 === 0 ? '' : 'order-last text-left'">
+          <p class="text-[10px] text-white/40 tabular-nums pt-1">{{ formatDate(event.date) }}</p>
+        </div>
+
+        <!-- Card -->
+        <div class="ml-10 md:ml-0 md:w-[calc(50%-2rem)] shrink-0">
+          <div class="rounded-lg bg-white/5 border border-white/10 px-3 py-2">
+            <p class="text-[10px] text-white/30 md:hidden tabular-nums">{{ formatDate(event.date) }}</p>
+            <h4 class="text-xs font-medium text-white/90">{{ event.title }}</h4>
+            <p v-if="event.location" class="text-[10px] text-white/40 mt-0.5">{{ event.location }}</p>
+            <p v-if="event.description" class="text-[10px] text-white/50 mt-1 line-clamp-2">{{ event.description }}</p>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import type { EventData } from '@/composables/contentExtraction'
+
+defineProps<{
+  events: EventData[]
+}>()
+
+function formatDate(dateStr: string): string {
+  if (!dateStr) return ''
+  const d = new Date(dateStr)
+  if (isNaN(d.getTime())) return dateStr
+  return d.toLocaleDateString('en', { year: 'numeric', month: 'short', day: 'numeric' })
+}
+</script>