feat: Add notification, integrate data retention service, and improve i18n support (#164)

* fix(ssl):  Ensure edit form saves notification_id and template_id in DB.

- The SSL edit form was not saving the `notification_id` and `template_id` fields to the PB database when re-assigning the Notification Channel and Alert Template.

* chore(partners): add Cloudflare to Ecosystem & Community Partner section

- Cloudflare has been added to the Ecosystem & Community Partner list to acknowledge their support and contribution.

* ⏳ chore(project): update development status and progress

- fix(ssl): ensure edit form saves notification_id and template_id in DB
- feat(notifications): add Notifiarr notification channel (planned)

* feat: Add Notifiarr to notification channels (UI)

- Add Notifiarr as a new channel type in the notification settings. The Notifiarr channel will use the `api_token` field for API key storage in PB.

* feat: Add channel_id field for Notifiarr

- Add channel_id field for Notifiarr to store record of the discord channel_id into the PB.

* feat: Implement Notifiarr notification service

- The Notifiarr notification functionality has been implemented. The alert configuration channel will now use the `api_token` and `channel_id` field for send to the Notifiarr API endpoint.

* ⏳ chore(project): update development status and progress

- feat: Add channel_id field for Notifiarr
- feat: Implement Notifiarr notification service

Closes: #133

* feat: add SSL history and Notifiarr notification channel schema

* Fix: Remove duplicate close button

- Removed the duplicate close button from the test email dialog.

* feat: Add Gotify to notification channels

- Add Gotify  as a new channel type in the notification settings. The Gotify channel will use the `api_token` and `server_url` field for API key storage in PB.

* feat: Implement Gotify notification service

- The Gotify notification functionality has been implemented. The alert configuration channel will now use the `api_token` and `server_url` field for send to the Gotify API endpoint.

* ⏳ chore(project): update development status and progress
- feat: Add server_url field for Gotify
- feat: Implement Gotify notification service

* refactory(i18n): Improve internationalization configuration and add new translations

- Added multiple new translation items
- Updated the two language files: en and zhcn
- Added type definitions for new translation items in types/services.ts
- Modified some components to use the new translation items

* refactory(i18n): Added architecture import function translation for the "About" page

- Added translation items related to schema import in English, Chinese, and type definition files
- Replaced hard-coded text with new translation items in the AboutSystem component

* refactory(i18n): Added architecture import function translation for the "About" page

- Added translation items related to schema import in English, Chinese, and type definition files
- Replaced hard-coded text with new translation items in the AboutSystem component

* refactory(i18n): Add internationalization support for the service statistics card

* feat: Add NTFY API token field for Token-based authentication to ntfy server

- Add the api_token field for NTFY notifications in both the dialog and service to save it to PB. NTFY schema to include api_token field.

* feat(auth): add token support for ntfy

- Updated the NTFY service to support API token authentication by adding Authorization Bearer header when api_token is provided.

Closes: #89

* refactor(i18n): Added Chinese translations for Create Event and Maintenance

- Supplemented missing Chinese translations
- Added translation entries related to Create Event and Maintenance in both English and Chinese translation files

* chore: deactivate GitHub donation

* refactor(i18n): Optimize internationalization configuration and add new translation items

- Add internationalization support to the LoadingState component
- Implement internationalization translations in the Profile page
- Use internationalized text in the TestEmailDialog component
- Update English and Chinese translation files by adding new translation entries

* docs(readme): deactivate donations, accept only infra support (cloud, domain, hosting)

* feat(i18n): Enhanced internationalization support with variable interpolation

- Refactored the `t` function in LanguageContext to support multiple parameter combinations
- Added variable interpolation feature, allowing variables in translated texts
- Optimized translation logic to improve accuracy and performance
- Enhanced type safety by using TypeScript generics to ensure correct typing

* refactor(i18n): Optimize service pagination internationalization copy

- Added service pagination related copy in English and Chinese translation files
- Updated type definitions to include new translation fields
- Modified the ServicesPagination component to use the newly added translation fields

* docs(README_zhcn): Update documentation content and sponsorship policy

- Update image links in the documentation
- Revise the sponsorship policy to no longer accept individual sponsorships, only enterprise-level collaborations
- Update the display method for supporters and partners
- Add Cloudflare and DigitalOcean as new partners

* feat: Integrate data retention service

- Implemented the data retention service in Go (service-operation) that manages cleanup of old records based on configured retention periods. The service runs once per day to ensure outdated data is removed automatically.

* refactor: Remove manual cleanup buttons from Data Retention Settings

- The three manual cleanup buttons have been removed from the dashboard.
- The data retention service now automatically runs once per day, cleaning up older data based on the configured retention settings.

---------

Co-authored-by: YiZixuan <sqkkyzx@qq.com>
Co-authored-by: YiZixuan <sqkkyzx@outlook.com>

docs/DEVELOPMENT_ROADMAP.md

@@ -86,6 +86,9 @@ The roadmap is divided into the following stages:
 - [ ] ✅ sync German translations across incident, maintenance, services & settings. By @ghotso [#141](https://github.com/operacle/checkcle/pull/141)
 - [ ] ✅ fix(services-form): max retry attempts. By @ghotso [#147](https://github.com/operacle/checkcle/pull/147)
 - [ ] ✅ Add Pushover notifications
+- [ ] ✅ fix(ssl):  Ensure edit form saves notification_id and template_id in DB.
+- [ ] ✅ Add Notifiarr notifications
+- [ ] ✅ Add Gotify notifications
 - [ ] 🔧 Enhance the Data retention feature
 - [ ] 🔧 Improve docker agent for server monitoring
 - [ ] 🔧 Improve the Server Agent on Unraid
@@ -96,6 +99,7 @@ The roadmap is divided into the following stages:
 - [ ] 🔧 Server support with Multiple Network Interfaces 
 - [ ] 🔧 Improve the Operational status page
 - [ ] 🔧 Server network bandwidth monitoring
+- [ ] 🔧 Grouping uptime services
 - [ ] 🎯 Improve the Schedule and Incident for automation
 - [ ] 🎯 Uptime Monitoring option for choose: HTTP/HTTPS. Add Option to Bypass SSL Verification in Uptime
 - [ ] 🎯 Add 2FA support
@@ -106,7 +110,6 @@ The roadmap is divided into the following stages:
 
 These are community-suggested or experimental features under review:
 
-- [ ] Grouping uptime services
 - [ ] OIDC Connect | OAuth2 integration
 - [ ] PWA support
 - [ ] Server outbound and inbound traffic usage
@@ -125,12 +128,6 @@ To get involved:
 - Join us in shaping the roadmap via [Discussions](https://github.com/operacle/checkcle/discussions)
 
 ---
-
-## 📅 Last Updated
-_This roadmap was last updated on **July 26, 2025**._
-
----
-
 With ❤️ from the CheckCle  
 [Website](https://checkcle.io) | [GitHub](https://github.com/operacle/checkcle)