fix(call-attribution): resolve Ozonetel chain AgentNames to agent.id

Inbound transferred calls arrive with AgentName like 'RamaiahAdmin -> GlobalHealthX'. The webhook was persisting the raw chain string and leaving agentId null; the CDR enrichment cron then silently skipped 100% of rows because the bulk CDR keys on caller-leg UCID while the webhook stores monitorUCID — the join never matched.

- missed-call-webhook: split chain on ' -> ', take final handler,
  resolve via AgentLookupService (ozonetelAgentId + display name)
- cdr-enrichment: index CDR rows by both UCID and monitorUCID so
  the cron actually patches historical rows
- enrichment also parses chain in CDR AgentName as a second fallback
- spec: add CallerResolutionService + AgentLookupService mocks

src/worklist/missed-call-webhook.spec.ts

@@ -11,6 +11,8 @@ import { Test } from '@nestjs/testing';
 import { ConfigService } from '@nestjs/config';
 import { MissedCallWebhookController } from './missed-call-webhook.controller';
 import { PlatformGraphqlService } from '../platform/platform-graphql.service';
+import { AgentLookupService } from '../platform/agent-lookup.service';
+import { CallerResolutionService } from '../caller/caller-resolution.service';
 import {
     WEBHOOK_INBOUND_ANSWERED,
     WEBHOOK_INBOUND_MISSED,
@@ -48,11 +50,28 @@ describe('MissedCallWebhookController', () => {
             }),
         };
 
+        const mockCaller = {
+            resolve: jest.fn().mockResolvedValue({
+                leadId: '',
+                firstName: '',
+                lastName: '',
+                patientId: '',
+                isNew: true,
+            }),
+        };
+
+        const mockAgentLookup = {
+            resolveByOzonetelId: jest.fn().mockResolvedValue(null),
+            resolveByDisplayName: jest.fn().mockResolvedValue(null),
+        };
+
         const module = await Test.createTestingModule({
             controllers: [MissedCallWebhookController],
             providers: [
                 { provide: PlatformGraphqlService, useValue: mockPlatformGql },
                 { provide: ConfigService, useValue: mockConfig },
+                { provide: CallerResolutionService, useValue: mockCaller },
+                { provide: AgentLookupService, useValue: mockAgentLookup },
             ],
         }).compile();