fix(idaa): also purge db_events on Novi auth failure

Extends the IDB purge from the previous commit to include
db_events.event — covers cached IDAA recovery meeting records.
No module overlap in current client deployments.

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

src/routes/idaa/(idaa)/+layout.svelte

@@ -20,6 +20,7 @@ import {
 import { idaa_loc, idaa_sess, idaa_slct } from '$lib/stores/ae_idaa_stores';
 import { db_posts } from '$lib/ae_posts/db_posts';
 import { db_archives } from '$lib/ae_archives/db_archives';
+import { db_events } from '$lib/ae_events/db_events';
 
 interface Props {
     /** @type {import('./$types').LayoutData} */
@@ -325,11 +326,11 @@ async function verify_novi_uuid(
         $idaa_loc.novi_full_name = null;
         $idaa_loc.novi_verified = false;
         // Purge private IDAA data from IDB — do not leave sensitive data cached after auth failure.
-        // db_events.event is intentionally excluded: it is shared with conference event modules.
         db_posts.post.clear().catch(() => {});
         db_posts.comment.clear().catch(() => {});
         db_archives.archive.clear().catch(() => {});
         db_archives.content.clear().catch(() => {});
+        db_events.event.clear().catch(() => {});
     } finally {
         verify_in_flight = false;
         novi_verifying = false;
@@ -368,6 +369,7 @@ async function verify_novi_uuid(
                     db_posts.comment.clear().catch(() => {});
                     db_archives.archive.clear().catch(() => {});
                     db_archives.content.clear().catch(() => {});
+                    db_events.event.clear().catch(() => {});
                     location.reload();
                 }}>
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