fix(test): align stage names with consolidated pipeline enum

Followup to 886119c (refactor(sales): consolidate pipeline stages) — the
runtime enum was renamed but a few test fixtures and PDF report templates
still referenced the legacy names, leaving them broken at the type level
(36 tsc errors before this fix).

Renames in this commit:
  visited        -> in_communication (alerts test) / removed (PDF reports)
  signed_eoi_nda -> eoi_signed
  contract       -> contract_signed (interests test) / contract_sent (factory)

Affected files: pipeline-report, revenue-report, makeCreateInterestInput
factory, alerts-engine, pipeline-transitions, interest-scoring.

Verification: tsc clean, 858/858 vitest passing.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

tests/integration/alerts-engine.test.ts

@@ -181,7 +181,7 @@ describe('alert engine', () => {
     await db.insert(interests).values({
       portId: port.id,
       clientId: client.id,
-      pipelineStage: 'visited',
+      pipelineStage: 'in_communication',
       leadCategory: 'hot_lead',
       dateLastContact: stale,
       updatedAt: stale,

tests/integration/pipeline-transitions.test.ts

@@ -170,7 +170,7 @@ describe('Pipeline Transitions', () => {
       await import('@/lib/services/interests.service');
     const meta = makeAuditMeta({ portId });
 
-    await changeInterestStage(interestId, portId, { pipelineStage: 'signed_eoi_nda' }, meta);
+    await changeInterestStage(interestId, portId, { pipelineStage: 'eoi_signed' }, meta);
 
     const updated = await getInterestById(interestId, portId);
     expect(updated.dateEoiSigned).not.toBeNull();
@@ -181,7 +181,7 @@ describe('Pipeline Transitions', () => {
       await import('@/lib/services/interests.service');
     const meta = makeAuditMeta({ portId });
 
-    await changeInterestStage(interestId, portId, { pipelineStage: 'contract' }, meta);
+    await changeInterestStage(interestId, portId, { pipelineStage: 'contract_signed' }, meta);
 
     const updated = await getInterestById(interestId, portId);
     expect(updated.dateContractSigned).not.toBeNull();