feat: harden platform workflows and UI governance

api/src/channels/channels.controller.ts

@@ -1,6 +1,8 @@
 import { Body, Controller, Delete, Get, Param, Post, Put, Query } from '@nestjs/common';
 import { ApiTags } from '@nestjs/swagger';
 import { RequireRecentAuthentication } from '../auth/require-recent-authentication.decorator';
+import { CurrentSessionUserId } from '../auth/current-session-user.decorator';
+import { DeleteTargetDto, DeletionGovernanceService } from '../deletion-governance/deletion-governance.service';
 import {
   ChannelsService,
   ChangeChannelStatusDto,
@@ -25,7 +27,7 @@ import {
 @ApiTags('channels')
 @Controller('admin')
 export class ChannelsController {
-  constructor(private readonly channels: ChannelsService) {}
+  constructor(private readonly channels: ChannelsService, private readonly deletions: DeletionGovernanceService) {}
 
   @Get('channels')
   listChannels() {
@@ -64,8 +66,8 @@ export class ChannelsController {
 
   @Delete('channels/:id')
   @RequireRecentAuthentication()
-  deleteChannel(@Param('id') channelId: string, @Body() body: ChangeChannelStatusDto) {
-    return this.channels.deleteChannel(channelId, body);
+  deleteChannel(@Param('id') channelId: string, @Body() body: DeleteTargetDto, @CurrentSessionUserId() operatorId?: string) {
+    return this.deletions.delete('channel', channelId, { ...body, operatorId });
   }
 
   @Get('channels/:id/metrics')

api/src/channels/channels.module.ts

@@ -1,8 +1,10 @@
 import { Module } from '@nestjs/common';
 import { ChannelsController } from './channels.controller';
 import { ChannelsService } from './channels.service';
+import { DeletionGovernanceModule } from '../deletion-governance/deletion-governance.module';
 
 @Module({
+  imports: [DeletionGovernanceModule],
   controllers: [ChannelsController],
   providers: [ChannelsService],
   exports: [ChannelsService],