feat: Implement Phase 10 support and recommendations features

- Added models for support messages, SLA policies, tickets, ticket events, and ticket links.
- Created routes for help, help admin, newsletter, recommendations, and support for both customer and admin.
- Developed services for help, marketing (newsletter), and recommendations.
- Introduced support service for ticket management, including creation, replies, transitions, and attachments.
- Added validation schemas for support recommendations and ticket management.
- Implemented a cron job for support reconciliation and recommendation cleanup.
- Created migration for new support and recommendation database tables.
- Added unit tests for validation and policy checks related to Phase 10 features.

app/controllers/recommendation.controller.js

@@ -0,0 +1 @@
+const service=require("../services/recommendation/recommendation.service"),{resolveLocale}=require("../services/catalogue/locale.service");const loc=req=>resolveLocale(req),limit=req=>Math.min(Math.max(+req.query.limit||12,1),24);exports.event=async(req,res,next)=>{try{const x=await service.recordView({...req.body,userId:req.user?.id});res.status(x.created?201:200).json({success:true,data:{accepted:true,idempotent:!x.created}});}catch(e){next(e);}};exports.related=async(req,res,next)=>{try{res.json({success:true,data:await service.related(req.params.productId,loc(req),limit(req))});}catch(e){next(e);}};exports.trending=async(req,res,next)=>{try{res.json({success:true,data:await service.ranked({type:"trending",locale:loc(req),limit:limit(req)})});}catch(e){next(e);}};exports.popular=async(req,res,next)=>{try{res.json({success:true,data:await service.ranked({type:"popular",locale:loc(req),limit:limit(req)})});}catch(e){next(e);}};exports.recent=async(req,res,next)=>{try{res.json({success:true,data:await service.recent(req.user.id,loc(req),limit(req))});}catch(e){next(e);}};exports.forYou=async(req,res,next)=>{try{res.json({success:true,data:await service.ranked({type:"for-you",userId:req.user.id,locale:loc(req),limit:limit(req)})});}catch(e){next(e);}};