Use 1000-row Jitsi pages

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

src/lib/ae_reports/reports_functions.ts

@@ -29,7 +29,7 @@ interface MeetingReport {
     events: MeetingEvent[];
 }
 
-const JITSI_REPORT_PAGE_SIZE = 500;
+const JITSI_REPORT_PAGE_SIZE = 1000;
 
 // MariaDB TEXT columns come back as JSON strings from the API — parse safely.
 function safe_parse_meta(raw: unknown): Record<string, unknown> {

src/routes/idaa/(idaa)/jitsi_reports/+page.svelte

@@ -280,7 +280,7 @@ let meetings_filtered = $derived.by(() => {
 });
 
 // --- Derived: grouped by room ---
-// Rooms sorted by most-recent session desc; sessions within each room sorted asc.
+// Rooms sorted by most-recent session desc; sessions within each room sorted desc.
 let meetings_grouped = $derived.by<Map<string, MeetingReportEnriched[]>>(() => {
     const groups = new Map<string, MeetingReportEnriched[]>();
     for (const m of meetings_filtered) {
@@ -291,8 +291,8 @@ let meetings_grouped = $derived.by<Map<string, MeetingReportEnriched[]>>(() => {
     for (const sessions of groups.values()) {
         sessions.sort(
             (a, b) =>
-                new Date(a.start_time).getTime() -
-                new Date(b.start_time).getTime()
+                new Date(b.start_time).getTime() -
+                new Date(a.start_time).getTime()
         );
     }
     return new Map(