feat: agent summary, AHT, and performance aggregation endpoint

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/ozonetel/ozonetel-agent.controller.ts

@@ -202,6 +202,55 @@ export class OzonetelAgentController {
         return result;
     }
 
+    @Get('performance')
+    async performance(@Query('date') date?: string) {
+        const targetDate = date ?? new Date().toISOString().split('T')[0];
+        this.logger.log(`Performance: date=${targetDate} agent=${this.defaultAgentId}`);
+
+        const [cdr, summary, aht] = await Promise.all([
+            this.ozonetelAgent.fetchCDR({ date: targetDate }),
+            this.ozonetelAgent.getAgentSummary(this.defaultAgentId, targetDate),
+            this.ozonetelAgent.getAHT(this.defaultAgentId),
+        ]);
+
+        const totalCalls = cdr.length;
+        const inbound = cdr.filter((c: any) => c.Type === 'InBound').length;
+        const outbound = cdr.filter((c: any) => c.Type === 'Manual' || c.Type === 'Progressive').length;
+        const answered = cdr.filter((c: any) => c.Status === 'Answered').length;
+        const missed = cdr.filter((c: any) => c.Status === 'Unanswered' || c.Status === 'NotAnswered').length;
+
+        const talkTimes = cdr
+            .filter((c: any) => c.TalkTime && c.TalkTime !== '00:00:00')
+            .map((c: any) => {
+                const parts = c.TalkTime.split(':').map(Number);
+                return parts[0] * 3600 + parts[1] * 60 + parts[2];
+            });
+        const avgTalkTimeSec = talkTimes.length > 0
+            ? Math.round(talkTimes.reduce((a: number, b: number) => a + b, 0) / talkTimes.length)
+            : 0;
+
+        const dispositions: Record<string, number> = {};
+        for (const c of cdr) {
+            const d = (c as any).Disposition || 'No Disposition';
+            dispositions[d] = (dispositions[d] ?? 0) + 1;
+        }
+
+        const appointmentsBooked = cdr.filter((c: any) =>
+            c.Disposition?.toLowerCase().includes('appointment'),
+        ).length;
+
+        return {
+            date: targetDate,
+            calls: { total: totalCalls, inbound, outbound, answered, missed },
+            avgTalkTimeSec,
+            avgHandlingTime: aht,
+            conversionRate: totalCalls > 0 ? Math.round((appointmentsBooked / totalCalls) * 100) : 0,
+            appointmentsBooked,
+            timeUtilization: summary,
+            dispositions,
+        };
+    }
+
     private mapToOzonetelDisposition(disposition: string): string {
         // Campaign only has 'General Enquiry' configured currently
         const map: Record<string, string> = {