Split agent workload chart on /stats into one chart per status

Previously showed a single combined bar chart across all ticket
statuses; now renders a separate sorted bar chart per status
(new/open/pending/closed), each scaled to its own max.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012o9j9RezxbZVKQMrB7oRLY

src/lib/tickets/service.ts

@@ -705,7 +705,7 @@ export interface StatsOverview {
   statusCounts: Record<TicketStatus, number>;
   channelCounts: Record<TicketChannel, number>;
   ticketsPerDay: { label: string; count: number }[];
-  agentWorkload: { name: string; ticketCount: number }[];
+  agentWorkloadByStatus: Record<TicketStatus, { name: string; count: number }[]>;
 }
 
 /**
@@ -771,20 +771,32 @@ export async function getStatsOverview(): Promise<StatsOverview> {
       : null;
 
   const agents = await listAgents();
-  const ticketCountByAgent = new Map<string, number>();
-  let unassignedCount = 0;
-  for (const t of allTickets) {
-    if (t.assigneeId) {
-      ticketCountByAgent.set(t.assigneeId, (ticketCountByAgent.get(t.assigneeId) ?? 0) + 1);
-    } else {
-      unassignedCount += 1;
+
+  /** Per-agent ticket count for one status, sorted busiest-first. */
+  function workloadForStatus(status: TicketStatus): { name: string; count: number }[] {
+    const countByAgent = new Map<string, number>();
+    let unassignedCount = 0;
+    for (const t of allTickets) {
+      if (t.status !== status) continue;
+      if (t.assigneeId) {
+        countByAgent.set(t.assigneeId, (countByAgent.get(t.assigneeId) ?? 0) + 1);
+      } else {
+        unassignedCount += 1;
+      }
     }
+    const workload = agents.map((a) => ({ name: a.name, count: countByAgent.get(a.id) ?? 0 }));
+    if (unassignedCount > 0) {
+      workload.push({ name: "Не назначено", count: unassignedCount });
+    }
+    return workload.sort((a, b) => b.count - a.count);
   }
-  const agentWorkload = agents.map((a) => ({ name: a.name, ticketCount: ticketCountByAgent.get(a.id) ?? 0 }));
-  if (unassignedCount > 0) {
-    agentWorkload.push({ name: "Не назначено", ticketCount: unassignedCount });
-  }
-  agentWorkload.sort((a, b) => b.ticketCount - a.ticketCount);
+
+  const agentWorkloadByStatus: Record<TicketStatus, { name: string; count: number }[]> = {
+    new: workloadForStatus("new"),
+    open: workloadForStatus("open"),
+    pending: workloadForStatus("pending"),
+    closed: workloadForStatus("closed"),
+  };
 
   return {
     totalTickets: allTickets.length,
@@ -794,6 +806,6 @@ export async function getStatsOverview(): Promise<StatsOverview> {
     statusCounts,
     channelCounts,
     ticketsPerDay,
-    agentWorkload,
+    agentWorkloadByStatus,
   };
 }