chore: release v1.0.7

Playout: slate fallback, strict ffprobe validation, Prometheus metrics
Chat: history on join, DM offline delivery, env-config rate limits,
  Redis auto-reconnect, heartbeat, ban/mute enforcement, DM metrics
Viewer: presence indicators, schedule overlay, public /api/schedule
Admin: playlist drag-reorder, schedule overrides CRUD, user actions,
  inline mod buttons, CSV export, config editor, restart buttons,
  upload normalization gate, analytics time range
nginx: CORS preflight, JSON health, stub_status
Docs: test-lab vs production distinction across all configs/docs
Infra: Redis maxmemory, CD health IP-agnostic, slate volume mount

frontend/public/admin/analytics.html

@@ -3,7 +3,15 @@
         <h1>Analytics</h1>
         <p>Basic activity counters from chat history and moderation audit logs.</p>
     </div>
-    <button id="reload-analytics-btn" type="button" class="btn btn-secondary">Reload analytics</button>
+    <div class="button-row">
+        <select id="analytics-range" class="text-input" style="width:auto">
+            <option value="1h">Last hour</option>
+            <option value="6h">Last 6 hours</option>
+            <option value="24h" selected>Last 24 hours</option>
+            <option value="7d">Last 7 days</option>
+        </select>
+        <button id="reload-analytics-btn" type="button" class="btn btn-secondary">Reload analytics</button>
+    </div>
 </div>
 
 <div class="stat-grid">