feat: add domains, ideas, layouts, widgets API modules

- Add DomainsModule with full CRUD, search, and activity logging
- Add IdeasModule with quick capture endpoint
- Add LayoutsModule for user dashboard layouts
- Add WidgetsModule for widget definitions (read-only)
- Update ActivityService with domain/idea logging methods
- Register all new modules in AppModule

apps/api/src/events/events.service.ts

@@ -1,4 +1,5 @@
 import { Injectable, NotFoundException } from "@nestjs/common";
+import { Prisma } from "@prisma/client";
 import { PrismaService } from "../prisma/prisma.service";
 import { ActivityService } from "../activity/activity.service";
 import type { CreateEventDto, UpdateEventDto, QueryEventsDto } from "./dto";
@@ -157,7 +158,7 @@ export class EventsService {
         id,
         workspaceId,
       },
-      data: updateEventDto,
+      data: updateEventDto as any,
       include: {
         creator: {
           select: { id: true, name: true, email: true },
@@ -170,7 +171,7 @@ export class EventsService {
 
     // Log activity
     await this.activityService.logEventUpdated(workspaceId, userId, id, {
-      changes: updateEventDto,
+      changes: updateEventDto as Prisma.JsonValue,
     });
 
     return event;