[INT-002] docs: Update OAuth 2.0 integration status to completed

- Update MASTER_INVENTORY.yml: INT-002 oauth status "planificado" -> "completado"
- Add Apple provider to OAuth description (4 providers total)
- Add OAuth row to PROJECT-STATUS.md modules table
- OAuth implementation was already complete (backend + frontend)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

orchestration/PROJECT-STATUS.md

@@ -74,6 +74,7 @@
 | Settings | P1 | N/A | N/A | 100% |
 | Webhooks | P2 | 100% | 100% | 100% |
 | Email | P1 | N/A | 100% | N/A |
+| OAuth | P1 | 100% | 100% | 100% |
 
 ---
 

orchestration/inventarios/MASTER_INVENTORY.yml

@@ -218,10 +218,10 @@ integraciones:
 
   - id: "INT-002"
     nombre: "oauth"
-    descripcion: "OAuth 2.0 (Google, GitHub, Microsoft)"
-    estado: "planificado"
+    descripcion: "OAuth 2.0 (Google, GitHub, Microsoft, Apple)"
+    estado: "completado"
     modulo_relacionado: "SAAS-001"
-    nota: "DDL existe, endpoints pendientes"
+    nota: "Backend + Frontend completos. 4 proveedores soportados."
 
   - id: "INT-003"
     nombre: "email"