feat(progress): Add ProgramaObraService for work schedule management

Sprint 2 - S2-T01 backend support

New service with methods:
- createPrograma: Create new work schedule with auto-generated code
- findAll/findById: List and get programas with actividades
- updatePrograma: Update programa details
- createVersion: Create new version for reprogramming
- addActividad/updateActividad/removeActividad: Activity management
- reorderActividades: Reorder with WBS code regeneration
- getGanttData: Data formatted for Gantt chart
- getSCurveData: Planned vs actual progress curves

DTOs: CreateProgramaDto, UpdateProgramaDto, CreateActividadDto, etc.

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

src/modules/progress/services/index.ts

@@ -8,3 +8,17 @@ export type { CreateAvanceDto, AddFotoDto, AvanceFilters } from './avance-obra.s
 
 export { BitacoraObraService } from './bitacora-obra.service';
 export type { CreateBitacoraDto, UpdateBitacoraDto, BitacoraFilters } from './bitacora-obra.service';
+
+export { ProgramaObraService } from './programa-obra.service';
+export type {
+  CreateProgramaDto,
+  UpdateProgramaDto,
+  CreateActividadDto,
+  UpdateActividadDto,
+  ProgramaFilters,
+  GanttData,
+  GanttActivity,
+  SCurveData,
+  SCurveDataPoint,
+  ReorderItem,
+} from './programa-obra.service';