fix: add error handling to changePeriod async function

Wrap await call in try/catch to satisfy JS-006 architecture rule.

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

static/vendor/js/analytics.js

@@ -140,7 +140,11 @@ function vendorAnalytics() {
          */
         async changePeriod(newPeriod) {
             this.period = newPeriod;
-            await this.loadAllData();
+            try {
+                await this.loadAllData();
+            } catch (error) {
+                vendorAnalyticsLog.error('Failed to change period:', error);
+            }
         },
 
         /**