feat: add Matrix chat notification support (#211)

Implements native Matrix notification channel support, allowing users
to receive service alerts in any Matrix room via the Client-Server API.

Changes:
- server/service-operation/notification/matrix.go: new Matrix service
  implementing the NotificationService interface (PUT /_matrix/client/v3/...)
- server/service-operation/notification/types.go: add MatrixHomeserver,
  MatrixRoomID, MatrixAccessToken fields to AlertConfiguration
- server/service-operation/notification/manager.go: register MatrixService
- server/pb_migrations/1772200000_updated_alert_configurations_matrix.js:
  PocketBase migration adding matrix fields and notification_type value
- application: Matrix option in channel dialog with homeserver/room/token
  fields, tab filter, list display, type definitions and translations (en, km)
- application/public/upload/notification/matrix.png: Matrix channel icon

application/src/translations/en/settings.ts

@@ -73,6 +73,7 @@ export const settingsTranslations: SettingsTranslations = {
   googleChat: "Google Chat",
   email: "Email",
   webhook: "Webhook",
+  matrix: "Matrix",
 
   // NotificationChannelDialog.tsx
   editChannel: "Edit Notification Channel",
@@ -129,6 +130,12 @@ export const settingsTranslations: SettingsTranslations = {
   notifiarrChannelIdDesc: "The Discord channel ID where notifications will be sent",
   gotifyServerUrl: "Server URL",
   gotifyServerUrlDesc: "The URL of your Gotify server",
+  matrixHomeserver: "Homeserver URL",
+  matrixHomeserverDesc: "The URL of your Matrix homeserver (e.g. https://matrix.org)",
+  matrixRoomId: "Room ID",
+  matrixRoomIdDesc: "The Matrix room ID to send notifications to (e.g. !abc123:matrix.org)",
+  matrixAccessToken: "Access Token",
+  matrixAccessTokenDesc: "The access token of your Matrix bot account",
   errorSaveChannel: "Failed to save notification channel",
 
   channelNamePlaceholder: "My Notification Channel",
@@ -150,6 +157,9 @@ export const settingsTranslations: SettingsTranslations = {
   notifiarrChannelIdPlaceholder: "Discord Channel ID",
   gotifyServerUrlPlaceholder: "https://your-gotify-server.com",
   webhookUrlPlaceholder: "https://api.example.com/webhook",
+  matrixHomeserverPlaceholder: "https://matrix.org",
+  matrixRoomIdPlaceholder: "!roomid:matrix.org",
+  matrixAccessTokenPlaceholder: "syt_...",
 
   // DataRetentionSettings.tsx
   // permissionNotice: "Permission Notice:",

application/src/translations/km/settings.ts

@@ -73,6 +73,7 @@ descriptionChannelsServices: "កំណត់រចនាសម្ព័ន្
   googleChat: "Google Chat",
   email: "អ៊ីមែល",
   webhook: "Webhook",
+  matrix: "Matrix",
 
   // NotificationChannelDialog.tsx
   editChannel: "កែសម្រួលបណ្តាញជូនដំណឹង",
@@ -129,6 +130,12 @@ descriptionChannelsServices: "កំណត់រចនាសម្ព័ន្
   notifiarrChannelIdDesc: "លេខសម្គាល់បណ្តាញ Discord ដែលការជូនដំណឹងនឹងត្រូវបានផ្ញើទៅ",
   gotifyServerUrl: "URL នៃម៉ាស៊ីនបម្រើ",
   gotifyServerUrlDesc: "URL នៃម៉ាស៊ីនបម្រើ Gotify របស់អ្នក",
+  matrixHomeserver: "Homeserver URL",
+  matrixHomeserverDesc: "URL នៃ Matrix homeserver របស់អ្នក (ឧ. https://matrix.org)",
+  matrixRoomId: "Room ID",
+  matrixRoomIdDesc: "Matrix room ID ដែលការជូនដំណឹងនឹងត្រូវបានផ្ញើទៅ (ឧ. !abc123:matrix.org)",
+  matrixAccessToken: "Access Token",
+  matrixAccessTokenDesc: "Access token នៃ Matrix bot account របស់អ្នក",
   errorSaveChannel: "បរាជ័យក្នុងការរក្សាទុកបណ្តាញជូនដំណឹង",
 
   channelNamePlaceholder: "ប៉ុស្តិ៍ផ្ទាល់សារជូនដំណឹងរបស់ខ្ញុំ",
@@ -150,6 +157,9 @@ descriptionChannelsServices: "កំណត់រចនាសម្ព័ន្
   notifiarrChannelIdPlaceholder: "ID ប៉ុស្តិ៍ផ្ទាល់សារ Discord",
   gotifyServerUrlPlaceholder: "https://your-gotify-server.com",
   webhookUrlPlaceholder: "https://api.example.com/webhook",
+  matrixHomeserverPlaceholder: "https://matrix.org",
+  matrixRoomIdPlaceholder: "!roomid:matrix.org",
+  matrixAccessTokenPlaceholder: "syt_...",
 
   // DataRetentionSettings.tsx
   permissionNoticeDataRetention: "ជាអ្នកប្រើប្រាស់អ្នកគ្រប់គ្រង អ្នកមិនមានសិទ្ធចូលដំណើរការការកំណត់រក្សាទុកទិន្នន័យទេ។ ការកំណត់ទាំងនេះអាចត្រូវបានចូលដំណើរការនិងកែប្រែដោយតែអ្នកគ្រប់គ្រងដ៏ខ្ពស់ប៉ុណ្ណោះ។",

application/src/translations/types/settings.ts

@@ -71,6 +71,7 @@ export interface SettingsTranslations {
   googleChat: string;
   email: string;
   webhook: string;
+  matrix: string;
 
   // NotificationChannelDialog.tsx
   editChannel: string;
@@ -127,6 +128,12 @@ export interface SettingsTranslations {
   notifiarrChannelIdDesc: string;
   gotifyServerUrl: string;
   gotifyServerUrlDesc: string;
+  matrixHomeserver: string;
+  matrixHomeserverDesc: string;
+  matrixRoomId: string;
+  matrixRoomIdDesc: string;
+  matrixAccessToken: string;
+  matrixAccessTokenDesc: string;
   errorSaveChannel: string;
 
   channelNamePlaceholder: string;
@@ -148,6 +155,9 @@ export interface SettingsTranslations {
   notifiarrChannelIdPlaceholder: string;
   gotifyServerUrlPlaceholder: string;
   webhookUrlPlaceholder: string;
+  matrixHomeserverPlaceholder: string;
+  matrixRoomIdPlaceholder: string;
+  matrixAccessTokenPlaceholder: string;
 
   // DataRetentionSettings.tsx
   // permissionNotice: string;