[MEX-748] Implement Claim Rewards notifications in xPortal

[EmanuelMiron]

Reasoning

• There is a new feature on xPortal which allows dapps to send push notifications through the app.

Proposed Changes

• CronJob which runs once per week and sends notifications to all users that rewards from feesCollector are available to be claimed.

How to test

• N/A

[Copilot]

Pull Request Overview

This pull request adds a new feature to xPortal that enables dapps to send push notifications about claimable rewards on a weekly cadence. It introduces a notifications module with its related services, models, and configuration updates, as well as integrating the new module into the application bootstrap.

Reviewed Changes

Copilot reviewed 6 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/modules/push-notifications/services/push.notifications.setter.service.ts	Implements caching and updating of user energy addresses for notifications
src/modules/push-notifications/push.notifications.service.ts	Contains the notification sending logic with a weekly cron job and retry mechanism
src/modules/push-notifications/push.notifications.module.ts	Organizes notifications-related services into a dedicated module
src/modules/push-notifications/models/push.notifications.model.ts	Defines data models used for energy details and notifications payloads
src/main.ts	Integrates the notifications module into the main bootstrap process
src/helpers/api.config.service.ts	Adds configuration getters for notifications API url, key, batch size, max retries, chainId, and module activation

Files not reviewed (1)

• .env.example: Language not supported

Comments suppressed due to low confidence (1)

src/modules/push-notifications/push.notifications.service.ts:238

• [nitpick] Consider logging the full error object to capture the complete stack trace for debugging purposes rather than just error.message.

this.logger.error('Error in notification cron job:', error.message);

[codecov]

Codecov Report

Attention: Patch coverage is 30.90909% with 38 lines in your changes missing coverage. Please review.

Project coverage is 52.86%. Comparing base (46bc1d0) to head (7084897).
Report is 118 commits behind head on development.

Files with missing lines	Patch %	Lines
src/helpers/api.config.service.ts	0.00%	9 Missing and 3 partials ⚠️
src/modules/energy/services/energy.abi.service.ts	21.42%	11 Missing ⚠️
...multiversx-communication/mx.xportal.api.service.ts	46.15%	7 Missing ⚠️
src/services/caching/cache.service.ts	0.00%	3 Missing and 2 partials ⚠️
...stic-search/services/es.accounts.energy.service.ts	62.50%	3 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##           development    #1598      +/-   ##
===============================================
- Coverage        53.07%   52.86%   -0.22%     
===============================================
  Files              279      281       +2     
  Lines            10947    11036      +89     
  Branches           875      881       +6     
===============================================
+ Hits              5810     5834      +24     
- Misses            4353     4412      +59     
- Partials           784      790       +6     

Flag	Coverage Δ
unittests	52.86% <30.90%> (-0.22%)	⬇️

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