feat: Rename to Toju and add translation

toju-app/src/app/app.config.ts

@@ -5,6 +5,7 @@ import {
 } from '@angular/core';
 import { provideRouter } from '@angular/router';
 import { provideHttpClient } from '@angular/common/http';
+import { provideTranslateService } from '@ngx-translate/core';
 import { provideStore } from '@ngrx/store';
 import { provideEffects } from '@ngrx/effects';
 import { provideStoreDevtools } from '@ngrx/store-devtools';
@@ -24,6 +25,7 @@ import { RoomMembersSyncEffects } from './store/rooms/room-members-sync.effects'
 import { RoomStateSyncEffects } from './store/rooms/room-state-sync.effects';
 import { RoomSettingsEffects } from './store/rooms/room-settings.effects';
 import { STORE_DEVTOOLS_MAX_AGE } from './core/constants';
+import { DEFAULT_APP_LOCALE } from './core/i18n';
 
 /** Root application configuration providing routing, HTTP, NgRx store, and devtools. */
 export const appConfig: ApplicationConfig = {
@@ -31,6 +33,10 @@ export const appConfig: ApplicationConfig = {
     provideBrowserGlobalErrorListeners(),
     provideRouter(routes),
     provideHttpClient(),
+    provideTranslateService({
+      fallbackLang: DEFAULT_APP_LOCALE,
+      lang: DEFAULT_APP_LOCALE
+    }),
     provideStore({
       messages: messagesReducer,
       users: usersReducer,

toju-app/src/app/app.html

@@ -34,7 +34,7 @@
           @if (themeStudioFullscreenComponent()) {
           <ng-container *ngComponentOutlet="themeStudioFullscreenComponent()" />
           } @else {
-          <div class="flex h-full items-center justify-center px-6 text-sm text-muted-foreground">Loading Theme Studio...</div>
+          <div class="flex h-full items-center justify-center px-6 text-sm text-muted-foreground">{{ 'app.themeStudio.loading' | translate }}</div>
           }
         </div>
         } @else { @if (showDesktopUpdateNotice()) {
@@ -45,7 +45,7 @@
                 type="button"
                 (click)="dismissDesktopUpdateNotice()"
                 class="absolute right-2 top-2 grid h-8 w-8 place-items-center rounded-lg text-muted-foreground transition-colors hover:bg-secondary hover:text-foreground"
-                aria-label="Dismiss update notice"
+                [attr.aria-label]="'app.desktopUpdate.dismissAriaLabel' | translate"
               >
                 <ng-icon
                   name="lucideX"
@@ -54,15 +54,15 @@
               </button>
 
               <div class="pr-10">
-                <p class="text-[11px] font-semibold uppercase tracking-[0.18em] text-primary">Update Ready</p>
+                <p class="text-[11px] font-semibold uppercase tracking-[0.18em] text-primary">{{ 'app.desktopUpdate.readyBadge' | translate }}</p>
                 <p class="mt-1 text-sm font-semibold text-foreground">
-                  Restart to install {{ desktopUpdateState().targetVersion || 'the latest update' }}
+                  @if (desktopUpdateState().targetVersion) { {{ 'app.desktopUpdate.restartTitle' | translate:{ version:
+                  desktopUpdateState().targetVersion } }} } @else { {{ 'app.desktopUpdate.restartTitle' | translate:{ version:
+                  ('app.desktopUpdate.latestUpdateFallback' | translate) } }} }
                 </p>
               </div>
 
-              <p class="mt-1 pr-10 text-xs leading-5 text-muted-foreground">
-                The update has already been downloaded. Restart the app when you're ready to finish applying it.
-              </p>
+              <p class="mt-1 pr-10 text-xs leading-5 text-muted-foreground">{{ 'app.desktopUpdate.downloadedMessage' | translate }}</p>
 
               <div class="mt-3 flex flex-wrap gap-2">
                 <button
@@ -70,7 +70,7 @@
                   (click)="openUpdatesSettings()"
                   class="inline-flex items-center rounded-lg border border-border bg-secondary px-3 py-1.5 text-xs font-medium text-foreground transition-colors hover:bg-secondary/80"
                 >
-                  Update settings
+                  {{ 'app.desktopUpdate.updateSettings' | translate }}
                 </button>
 
                 <button
@@ -78,7 +78,7 @@
                   (click)="restartToApplyUpdate()"
                   class="inline-flex items-center rounded-lg bg-primary px-3 py-1.5 text-xs font-semibold text-primary-foreground transition-colors hover:bg-primary/90"
                 >
-                  Restart now
+                  {{ 'app.desktopUpdate.restartNow' | translate }}
                 </button>
               </div>
             </div>
@@ -114,7 +114,7 @@
         [class.cursor-grabbing]="isDraggingThemeStudioControls()"
         (pointerdown)="startThemeStudioControlsDrag($event, themeStudioControlsRef)"
       >
-        Theme Studio
+        {{ 'app.themeStudio.title' | translate }}
       </div>
 
       <button
@@ -122,7 +122,7 @@
         (click)="minimizeThemeStudio()"
         class="rounded-md border border-border bg-secondary px-3 py-1.5 text-xs font-medium text-foreground transition-colors hover:bg-secondary/80"
       >
-        Minimize
+        {{ 'app.themeStudio.minimize' | translate }}
       </button>
 
       <button
@@ -130,7 +130,7 @@
         (click)="closeThemeStudio()"
         class="rounded-md border border-border bg-secondary px-3 py-1.5 text-xs font-medium text-foreground transition-colors hover:bg-secondary/80"
       >
-        Close
+        {{ 'common.close' | translate }}
       </button>
     </div>
   </div>
@@ -138,8 +138,8 @@
   <div class="pointer-events-none absolute bottom-4 right-4 z-[80]">
     <div class="pointer-events-auto flex items-center gap-3 rounded-lg border border-border bg-card px-3 py-3 shadow-lg backdrop-blur">
       <div class="min-w-0">
-        <p class="text-[11px] font-semibold uppercase tracking-[0.18em] text-primary">Theme Studio</p>
-        <p class="mt-1 text-sm font-medium text-foreground">Minimized</p>
+        <p class="text-[11px] font-semibold uppercase tracking-[0.18em] text-primary">{{ 'app.themeStudio.title' | translate }}</p>
+        <p class="mt-1 text-sm font-medium text-foreground">{{ 'app.themeStudio.minimized' | translate }}</p>
       </div>
 
       <button
@@ -147,7 +147,7 @@
         (click)="reopenThemeStudio()"
         class="rounded-md bg-primary px-3 py-1.5 text-xs font-semibold text-primary-foreground transition-colors hover:bg-primary/90"
       >
-        Re-open
+        {{ 'app.themeStudio.reopen' | translate }}
       </button>
 
       <button
@@ -155,7 +155,7 @@
         (click)="dismissMinimizedThemeStudio()"
         class="rounded-md border border-border bg-secondary px-3 py-1.5 text-xs font-medium text-foreground transition-colors hover:bg-secondary/80"
       >
-        Dismiss
+        {{ 'common.dismiss' | translate }}
       </button>
     </div>
   </div>

toju-app/src/app/app.ts

@@ -64,6 +64,7 @@ import {
   ThemePickerOverlayComponent,
   ThemeService
 } from './domains/theme';
+import { AppI18nService, APP_TRANSLATE_IMPORTS } from './core/i18n';
 
 @Component({
   selector: 'app-root',
@@ -81,7 +82,8 @@ import {
     NativeContextMenuComponent,
     PrivateCallComponent,
     ThemeNodeDirective,
-    ThemePickerOverlayComponent
+    ThemePickerOverlayComponent,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [
     provideIcons({
@@ -189,6 +191,7 @@ export class App implements OnInit, OnDestroy {
     };
   });
 
+  private readonly appI18n = inject(AppI18nService);
   private readonly mobilePersistence = inject(MobilePersistenceService);
   private readonly mobileLifecycle = inject(MobileAppLifecycleService);
   private readonly mobileUpdates = inject(MobileAppUpdateService);
@@ -198,6 +201,8 @@ export class App implements OnInit, OnDestroy {
   private themeStudioControlsBounds: { width: number; height: number } | null = null;
 
   constructor() {
+    this.appI18n.initialize();
+
     effect(() => {
       if (!this.isThemeStudioFullscreen() || this.themeStudioFullscreenComponent()) {
         return;

toju-app/src/app/core/i18n/app-i18n-catalog.rules.spec.ts

@@ -0,0 +1,72 @@
+import {
+  readFileSync,
+  readdirSync,
+  statSync
+} from 'node:fs';
+import { join } from 'node:path';
+import {
+  describe,
+  expect,
+  it
+} from 'vitest';
+
+import {
+  extractTranslationKeysFromSource,
+  findMissingCatalogKeys,
+  flattenCatalogKeys
+} from './app-i18n-catalog.rules';
+
+const APP_ROOT = join(import.meta.dirname, '../../..');
+const EN_CATALOG_PATH = join(APP_ROOT, '../public/i18n/en.json');
+
+function listSourceFiles(directory: string): string[] {
+  const entries = readdirSync(directory);
+  const files: string[] = [];
+
+  for (const entry of entries) {
+    const fullPath = join(directory, entry);
+    const stats = statSync(fullPath);
+
+    if (stats.isDirectory()) {
+      files.push(...listSourceFiles(fullPath));
+      continue;
+    }
+
+    if (fullPath.endsWith('.html') || (fullPath.endsWith('.ts') && !fullPath.endsWith('.spec.ts'))) {
+      files.push(fullPath);
+    }
+  }
+
+  return files;
+}
+
+describe('app-i18n-catalog.rules', () => {
+  it('defines every translation key referenced in app templates and instant() calls', () => {
+    const catalog = JSON.parse(readFileSync(EN_CATALOG_PATH, 'utf8')) as Record<string, unknown>;
+    const definedKeys = flattenCatalogKeys(catalog);
+    const usedKeys = new Set<string>();
+
+    for (const filePath of listSourceFiles(join(APP_ROOT, 'app'))) {
+      const source = readFileSync(filePath, 'utf8');
+
+      for (const key of extractTranslationKeysFromSource(source)) {
+        usedKeys.add(key);
+      }
+    }
+
+    const missingKeys = findMissingCatalogKeys(definedKeys, usedKeys);
+
+    expect(missingKeys, `Missing i18n keys: ${missingKeys.join(', ')}`).toEqual([]);
+  });
+
+  it('nests extracted theme registry labels under theme.registry', () => {
+    const catalog = JSON.parse(readFileSync(EN_CATALOG_PATH, 'utf8')) as Record<string, unknown>;
+    const theme = catalog['theme'] as Record<string, unknown> | undefined;
+    const registry = theme?.['registry'] as Record<string, { label?: string }> | undefined;
+
+    expect(theme?.['registry']).toBeDefined();
+    expect(catalog['theme.registry']).toBeUndefined();
+    expect(registry?.['appRoot']?.label).toBe('App Root');
+    expect(Object.keys(registry ?? {}).length).toBeGreaterThanOrEqual(60);
+  });
+});

toju-app/src/app/core/i18n/app-i18n-catalog.rules.ts

@@ -0,0 +1,47 @@
+const TRANSLATE_PIPE_KEY_PATTERN = /['"]([a-z][a-zA-Z0-9_.]*)['"]\s*\|\s*translate/g;
+const INSTANT_KEY_PATTERN = /\.instant\(\s*['"]([a-z][a-zA-Z0-9_.]*)['"]/g;
+
+export function flattenCatalogKeys(
+  catalog: Record<string, unknown>,
+  prefix = ''
+): Set<string> {
+  const keys = new Set<string>();
+
+  for (const [key, value] of Object.entries(catalog)) {
+    const path = prefix ? `${prefix}.${key}` : key;
+
+    if (value && typeof value === 'object' && !Array.isArray(value)) {
+      for (const nestedKey of flattenCatalogKeys(value as Record<string, unknown>, path)) {
+        keys.add(nestedKey);
+      }
+
+      continue;
+    }
+
+    keys.add(path);
+  }
+
+  return keys;
+}
+
+export function extractTranslationKeysFromSource(source: string): Set<string> {
+  const keys = new Set<string>();
+
+  for (const pattern of [TRANSLATE_PIPE_KEY_PATTERN, INSTANT_KEY_PATTERN]) {
+    pattern.lastIndex = 0;
+
+    let match: RegExpExecArray | null;
+
+    while ((match = pattern.exec(source)) !== null) {
+      keys.add(match[1]);
+    }
+  }
+
+  return keys;
+}
+
+export function findMissingCatalogKeys(definedKeys: Set<string>, usedKeys: Set<string>): string[] {
+  return [...usedKeys]
+    .filter((key) => !definedKeys.has(key))
+    .sort();
+}

toju-app/src/app/core/i18n/app-i18n.rules.spec.ts

@@ -0,0 +1,29 @@
+import {
+  describe,
+  expect,
+  it
+} from 'vitest';
+
+import {
+  DEFAULT_APP_LOCALE,
+  SUPPORTED_APP_LOCALES,
+  resolveAppLocale
+} from './app-i18n.rules';
+
+describe('app-i18n.rules', () => {
+  it('ships only English as the default locale', () => {
+    expect(DEFAULT_APP_LOCALE).toBe('en');
+    expect(SUPPORTED_APP_LOCALES).toEqual(['en']);
+  });
+
+  it('resolves unknown locale candidates to the default locale', () => {
+    expect(resolveAppLocale(null)).toBe('en');
+    expect(resolveAppLocale(undefined)).toBe('en');
+    expect(resolveAppLocale('')).toBe('en');
+    expect(resolveAppLocale('fr')).toBe('en');
+  });
+
+  it('accepts supported locale candidates', () => {
+    expect(resolveAppLocale('en')).toBe('en');
+  });
+});

toju-app/src/app/core/i18n/app-i18n.rules.ts

@@ -0,0 +1,13 @@
+export const DEFAULT_APP_LOCALE = 'en' as const;
+
+export const SUPPORTED_APP_LOCALES = [DEFAULT_APP_LOCALE] as const;
+
+export type AppLocale = (typeof SUPPORTED_APP_LOCALES)[number];
+
+export function resolveAppLocale(candidate: string | null | undefined): AppLocale {
+  if (candidate && SUPPORTED_APP_LOCALES.includes(candidate as AppLocale)) {
+    return candidate as AppLocale;
+  }
+
+  return DEFAULT_APP_LOCALE;
+}

toju-app/src/app/core/i18n/app-i18n.service.spec.ts

@@ -0,0 +1,40 @@
+import { createEnvironmentInjector } from '@angular/core';
+import { TranslateService, provideTranslateService } from '@ngx-translate/core';
+
+import { AppI18nService } from './app-i18n.service';
+
+describe('AppI18nService', () => {
+  let injector: ReturnType<typeof createEnvironmentInjector>;
+  let service: AppI18nService;
+  let translate: TranslateService;
+
+  beforeEach(() => {
+    injector = createEnvironmentInjector([
+      provideTranslateService({
+        fallbackLang: 'en',
+        lang: 'en'
+      }),
+      AppI18nService
+    ]);
+
+    service = injector.get(AppI18nService);
+    translate = injector.get(TranslateService);
+  });
+
+  afterEach(() => {
+    injector.destroy();
+  });
+
+  it('loads bundled English translations on initialize', () => {
+    service.initialize();
+
+    expect(translate.getCurrentLang()).toBe('en');
+    expect(translate.instant('common.brand')).toBe('Toju');
+  });
+
+  it('falls back to English for unsupported locale requests', () => {
+    service.initialize('fr');
+
+    expect(translate.getCurrentLang()).toBe('en');
+  });
+});

toju-app/src/app/core/i18n/app-i18n.service.ts

@@ -0,0 +1,22 @@
+import { Injectable, inject } from '@angular/core';
+import { TranslateService } from '@ngx-translate/core';
+
+import translationsEn from '../../../../public/i18n/en.json';
+import { DEFAULT_APP_LOCALE, resolveAppLocale } from './app-i18n.rules';
+
+@Injectable({ providedIn: 'root' })
+export class AppI18nService {
+  private readonly translate = inject(TranslateService);
+
+  initialize(locale?: string | null): void {
+    const resolvedLocale = resolveAppLocale(locale);
+
+    this.translate.setTranslation(DEFAULT_APP_LOCALE, translationsEn);
+    this.translate.setFallbackLang(DEFAULT_APP_LOCALE);
+    this.translate.use(resolvedLocale);
+  }
+
+  instant(key: string, params?: Record<string, unknown>): string {
+    return this.translate.instant(key, params);
+  }
+}

toju-app/src/app/core/i18n/app-i18n.testing.ts

@@ -0,0 +1,19 @@
+import { Injector, Provider } from '@angular/core';
+import { provideTranslateService } from '@ngx-translate/core';
+
+import { AppI18nService } from './app-i18n.service';
+
+/** Vitest/Injector harness providers for components and services that inject AppI18nService. */
+export function provideAppI18nForTests(): Provider[] {
+  return [
+    provideTranslateService({
+      fallbackLang: 'en',
+      lang: 'en'
+    }),
+    AppI18nService
+  ];
+}
+
+export function initializeAppI18nForTests(injector: Injector): void {
+  injector.get(AppI18nService).initialize();
+}

toju-app/src/app/core/i18n/app-translate.imports.ts

@@ -0,0 +1,4 @@
+import { TranslateModule } from '@ngx-translate/core';
+
+/** Standalone component imports for templates using the `translate` pipe. */
+export const APP_TRANSLATE_IMPORTS = [TranslateModule] as const;

toju-app/src/app/core/i18n/index.ts

@@ -0,0 +1,5 @@
+export * from './app-i18n.rules';
+export * from './app-i18n-catalog.rules';
+export * from './app-i18n.service';
+export * from './app-translate.imports';
+export * from './app-i18n.testing';

toju-app/src/app/domains/access-control/domain/rules/role-assignment.rules.ts

@@ -5,6 +5,7 @@ import {
   RoomRoleAssignment
 } from '../../../../shared-kernel';
 import { SYSTEM_ROLE_IDS } from '../constants/access-control.constants';
+import { localizeSystemRoleDisplayName } from './role-display.rules';
 import type { MemberIdentity } from '../models/access-control.model';
 import {
   buildRoleLookup,
@@ -106,13 +107,19 @@ export function getAssignedRoleIds(assignments: readonly RoomRoleAssignment[] |
   return uniqueStrings(assignment?.roleIds ?? []);
 }
 
-export function getDisplayRoleName(room: Room, member: MemberIdentity | null | undefined): string {
+export function getDisplayRoleName(
+  room: Room,
+  member: MemberIdentity | null | undefined,
+  translate?: (key: string) => string
+): string {
+  const translateOr = (key: string, fallback: string) => translate?.(key) ?? fallback;
+
   if (!member) {
-    return 'Member';
+    return translateOr('shared.leaveServer.roles.member', 'Member');
   }
 
   if (room.hostId === member.id || room.hostId === member.oderId) {
-    return 'Owner';
+    return translateOr('shared.leaveServer.roles.owner', 'Owner');
   }
 
   const roles = normalizeRoomRoles(room.roles, room.permissions);
@@ -121,8 +128,13 @@ export function getDisplayRoleName(room: Room, member: MemberIdentity | null | u
     .map((roleId) => roleLookup.get(roleId))
     .filter((role): role is RoomRole => !!role)
     .sort(roleSortDescending);
+  const roleName = assignedRoles[0]?.name;
 
-  return assignedRoles[0]?.name || '@everyone';
+  if (!roleName) {
+    return translateOr('shared.accessControl.roles.everyone', '@everyone');
+  }
+
+  return translate ? localizeSystemRoleDisplayName(roleName, translate) : roleName;
 }
 
 export function getAssignedRoles(room: Room, identity: MemberIdentity | null | undefined): RoomRole[] {

toju-app/src/app/domains/access-control/domain/rules/role-display.rules.spec.ts

@@ -0,0 +1,37 @@
+import {
+  describe,
+  expect,
+  it
+} from 'vitest';
+
+import { localizeSystemRoleDisplayName, resolveSystemRoleDisplayI18nKey } from './role-display.rules';
+
+describe('role-display.rules', () => {
+  describe('resolveSystemRoleDisplayI18nKey', () => {
+    it('maps built-in role display names to i18n keys', () => {
+      expect(resolveSystemRoleDisplayI18nKey('Member')).toBe('shared.leaveServer.roles.member');
+      expect(resolveSystemRoleDisplayI18nKey('Owner')).toBe('shared.leaveServer.roles.owner');
+      expect(resolveSystemRoleDisplayI18nKey('@everyone')).toBe('shared.accessControl.roles.everyone');
+      expect(resolveSystemRoleDisplayI18nKey('Moderator')).toBe('shared.leaveServer.roles.moderator');
+      expect(resolveSystemRoleDisplayI18nKey('Admin')).toBe('shared.leaveServer.roles.admin');
+    });
+
+    it('returns null for custom role names', () => {
+      expect(resolveSystemRoleDisplayI18nKey('Custom Role')).toBeNull();
+    });
+  });
+
+  describe('localizeSystemRoleDisplayName', () => {
+    it('translates known system role names', () => {
+      const translate = (key: string) => `translated:${key}`;
+
+      expect(localizeSystemRoleDisplayName('Admin', translate)).toBe('translated:shared.leaveServer.roles.admin');
+    });
+
+    it('returns custom role names unchanged', () => {
+      const translate = (key: string) => `translated:${key}`;
+
+      expect(localizeSystemRoleDisplayName('Event Host', translate)).toBe('Event Host');
+    });
+  });
+});

toju-app/src/app/domains/access-control/domain/rules/role-display.rules.ts

@@ -0,0 +1,20 @@
+const SYSTEM_ROLE_DISPLAY_I18N_KEYS: Readonly<Record<string, string>> = {
+  Member: 'shared.leaveServer.roles.member',
+  Owner: 'shared.leaveServer.roles.owner',
+  '@everyone': 'shared.accessControl.roles.everyone',
+  Moderator: 'shared.leaveServer.roles.moderator',
+  Admin: 'shared.leaveServer.roles.admin'
+};
+
+export function resolveSystemRoleDisplayI18nKey(displayName: string): string | null {
+  return SYSTEM_ROLE_DISPLAY_I18N_KEYS[displayName] ?? null;
+}
+
+export function localizeSystemRoleDisplayName(
+  displayName: string,
+  translate: (key: string) => string
+): string {
+  const key = resolveSystemRoleDisplayI18nKey(displayName);
+
+  return key ? translate(key) : displayName;
+}

toju-app/src/app/domains/access-control/index.ts

@@ -2,6 +2,7 @@ export * from './domain/models/access-control.model';
 export * from './domain/constants/access-control.constants';
 export * from './domain/rules/role.rules';
 export * from './domain/rules/role-assignment.rules';
+export * from './domain/rules/role-display.rules';
 export * from './domain/rules/permission.rules';
 export * from './domain/rules/room.rules';
 export * from './domain/rules/ban.rules';

toju-app/src/app/domains/attachment/application/services/attachment-transfer.service.ts

@@ -3,6 +3,7 @@ import { take } from 'rxjs';
 import { Store } from '@ngrx/store';
 import { recordDebugNetworkFileChunk } from '../../../../infrastructure/realtime/logging/debug-network-metrics';
 import { RealtimeSessionFacade } from '../../../../core/realtime';
+import { AppI18nService } from '../../../../core/i18n';
 import { selectCurrentUserId } from '../../../../store/users/users.selectors';
 import { AttachmentStorageService } from '../../infrastructure/services/attachment-storage.service';
 import { MAX_AUTO_SAVE_SIZE_BYTES } from '../../domain/constants/attachment.constants';
@@ -13,9 +14,14 @@ import {
   ATTACHMENT_TRANSFER_EWMA_CURRENT_WEIGHT,
   ATTACHMENT_TRANSFER_EWMA_PREVIOUS_WEIGHT,
   DEFAULT_ATTACHMENT_MIME_TYPE,
-  FILE_NOT_FOUND_REQUEST_ERROR,
-  NO_CONNECTED_PEERS_REQUEST_ERROR,
-  UPLOADER_LOCAL_FILE_MISSING_ERROR
+  ATTACHMENT_DOWNLOAD_FAILED_KEY,
+  ATTACHMENT_CHUNKS_OUT_OF_ORDER_KEY,
+  ATTACHMENT_OPEN_DOWNLOAD_FAILED_KEY,
+  ATTACHMENT_PREPARE_DOWNLOAD_FAILED_KEY,
+  ATTACHMENT_WRITE_DOWNLOAD_FAILED_KEY,
+  FILE_NOT_FOUND_REQUEST_ERROR_KEY,
+  NO_CONNECTED_PEERS_REQUEST_ERROR_KEY,
+  UPLOADER_LOCAL_FILE_MISSING_ERROR_KEY
 } from '../../domain/constants/attachment-transfer.constants';
 import {
   type FileAnnounceEvent,
@@ -53,6 +59,7 @@ interface ValidFileChunkPayload {
 export class AttachmentTransferService {
   private readonly ngrxStore = inject(Store);
   private readonly webrtc = inject(RealtimeSessionFacade);
+  private readonly appI18n = inject(AppI18nService);
   private readonly runtimeStore = inject(AttachmentRuntimeStore);
   private readonly attachmentStorage = inject(AttachmentStorageService);
   private readonly persistence = inject(AttachmentPersistenceService);
@@ -147,8 +154,8 @@ export class AttachmentTransferService {
 
     if (connectedPeers.length === 0) {
       attachment.requestError = isUploader
-        ? UPLOADER_LOCAL_FILE_MISSING_ERROR
-        : NO_CONNECTED_PEERS_REQUEST_ERROR;
+        ? this.appI18n.instant(UPLOADER_LOCAL_FILE_MISSING_ERROR_KEY)
+        : this.appI18n.instant(NO_CONNECTED_PEERS_REQUEST_ERROR_KEY);
 
       this.runtimeStore.touch();
       console.warn('[Attachments] No connected peers to request file from');
@@ -177,7 +184,7 @@ export class AttachmentTransferService {
     const didSendRequest = this.sendFileRequestToNextPeer(messageId, fileId, attachment?.uploaderPeerId);
 
     if (!didSendRequest && attachment) {
-      attachment.requestError = FILE_NOT_FOUND_REQUEST_ERROR;
+      attachment.requestError = this.appI18n.instant(FILE_NOT_FOUND_REQUEST_ERROR_KEY);
       this.runtimeStore.touch();
     }
   }
@@ -716,7 +723,7 @@ export class AttachmentTransferService {
     const assembly = await this.getOrCreateDiskReceiveAssembly(attachment, assemblyKey, payload.total);
 
     if (!assembly) {
-      throw new Error('Could not prepare media download on disk.');
+      throw new Error(this.appI18n.instant(ATTACHMENT_PREPARE_DOWNLOAD_FAILED_KEY));
     }
 
     if (assembly.receivedIndexes.has(payload.index)) {
@@ -724,13 +731,13 @@ export class AttachmentTransferService {
     }
 
     if (payload.index !== assembly.receivedCount) {
-      throw new Error('Received media chunks out of order. Retry the download.');
+      throw new Error(this.appI18n.instant(ATTACHMENT_CHUNKS_OUT_OF_ORDER_KEY));
     }
 
     const didAppend = await this.attachmentStorage.appendBase64(assembly.path, payload.data);
 
     if (!didAppend) {
-      throw new Error('Could not write media download to disk.');
+      throw new Error(this.appI18n.instant(ATTACHMENT_WRITE_DOWNLOAD_FAILED_KEY));
     }
 
     assembly.receivedIndexes.add(payload.index);
@@ -747,7 +754,7 @@ export class AttachmentTransferService {
     const restoredForDisplay = await this.persistence.ensureInlineDisplayObjectUrl(attachment);
 
     if (!restoredForDisplay) {
-      throw new Error('Could not open completed media download from disk.');
+      throw new Error(this.appI18n.instant(ATTACHMENT_OPEN_DOWNLOAD_FAILED_KEY));
     }
 
     attachment.available = true;
@@ -801,7 +808,7 @@ export class AttachmentTransferService {
     attachment.lastUpdateMs = undefined;
     attachment.requestError = error instanceof Error && error.message
       ? error.message
-      : 'Media download failed. Retry the download.';
+      : this.appI18n.instant(ATTACHMENT_DOWNLOAD_FAILED_KEY);
 
     this.runtimeStore.touch();
   }

toju-app/src/app/domains/attachment/domain/constants/attachment-transfer.constants.ts

@@ -13,12 +13,12 @@ export const DEFAULT_ATTACHMENT_MIME_TYPE = 'application/octet-stream';
 /** localStorage key used by the legacy attachment store during migration. */
 export const LEGACY_ATTACHMENTS_STORAGE_KEY = 'metoyou_attachments';
 
-/** User-facing error when no peers are available for a request. */
-export const NO_CONNECTED_PEERS_REQUEST_ERROR = 'No connected peers are available to provide this file right now.';
-
-/** User-facing error when connected peers cannot provide a requested file. */
-export const FILE_NOT_FOUND_REQUEST_ERROR = 'The connected peers do not have this file right now.';
-
-/** User-facing error when the uploader's local copy cannot be restored. */
-export const UPLOADER_LOCAL_FILE_MISSING_ERROR =
-  'Your original upload could not be found on this device. Re-upload the file to restore playback.';
+/** i18n keys for user-facing attachment transfer errors. */
+export const NO_CONNECTED_PEERS_REQUEST_ERROR_KEY = 'attachment.errors.noConnectedPeers';
+export const FILE_NOT_FOUND_REQUEST_ERROR_KEY = 'attachment.errors.fileNotFound';
+export const UPLOADER_LOCAL_FILE_MISSING_ERROR_KEY = 'attachment.errors.uploaderLocalMissing';
+export const ATTACHMENT_PREPARE_DOWNLOAD_FAILED_KEY = 'attachment.errors.prepareDownloadFailed';
+export const ATTACHMENT_CHUNKS_OUT_OF_ORDER_KEY = 'attachment.errors.chunksOutOfOrder';
+export const ATTACHMENT_WRITE_DOWNLOAD_FAILED_KEY = 'attachment.errors.writeDownloadFailed';
+export const ATTACHMENT_OPEN_DOWNLOAD_FAILED_KEY = 'attachment.errors.openDownloadFailed';
+export const ATTACHMENT_DOWNLOAD_FAILED_KEY = 'attachment.errors.downloadFailed';

toju-app/src/app/domains/authentication/feature/login/login.component.html

@@ -5,7 +5,7 @@
         name="lucideLogIn"
         class="w-5 h-5 text-primary"
       />
-      <h1 class="text-lg font-semibold text-foreground">Login</h1>
+      <h1 class="text-lg font-semibold text-foreground">{{ 'auth.login.title' | translate }}</h1>
     </div>
 
     <div class="space-y-3">
@@ -13,7 +13,7 @@
         <label
           for="login-username"
           class="block text-xs text-muted-foreground mb-1"
-          >Username</label
+          >{{ 'auth.login.username' | translate }}</label
         >
         <input
           [(ngModel)]="username"
@@ -26,7 +26,7 @@
         <label
           for="login-password"
           class="block text-xs text-muted-foreground mb-1"
-          >Password</label
+          >{{ 'auth.login.password' | translate }}</label
         >
         <input
           [(ngModel)]="password"
@@ -39,7 +39,7 @@
         <label
           for="login-server"
           class="block text-xs text-muted-foreground mb-1"
-          >Server App</label
+          >{{ 'auth.login.serverApp' | translate }}</label
         >
         <select
           [(ngModel)]="serverId"
@@ -59,16 +59,16 @@
         type="button"
         class="w-full px-3 py-2 rounded bg-primary text-primary-foreground hover:bg-primary/90"
       >
-        Login
+        {{ 'auth.login.submit' | translate }}
       </button>
       <div class="text-xs text-muted-foreground text-center mt-2">
-        No account?
+        {{ 'auth.login.noAccount' | translate }}
         <button
           type="button"
           (click)="goRegister()"
           class="text-primary hover:underline"
         >
-          Register
+          {{ 'auth.login.registerLink' | translate }}
         </button>
       </div>
     </div>

toju-app/src/app/domains/authentication/feature/login/login.component.ts

@@ -18,6 +18,7 @@ import { ServerDirectoryFacade } from '../../../server-directory';
 import { waitForAuthenticationOutcome } from '../../domain/logic/auth-navigation.rules';
 import { UsersActions } from '../../../../store/users/users.actions';
 import { User } from '../../../../shared-kernel';
+import { AppI18nService, APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 
 @Component({
   selector: 'app-login',
@@ -25,7 +26,8 @@ import { User } from '../../../../shared-kernel';
   imports: [
     CommonModule,
     FormsModule,
-    NgIcon
+    NgIcon,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [provideIcons({ lucideLogIn })],
   templateUrl: './login.component.html'
@@ -42,6 +44,7 @@ export class LoginComponent {
   serverId: string | undefined = this.serversSvc.activeServer()?.id;
   error = signal<string | null>(null);
 
+  private readonly appI18n = inject(AppI18nService);
   private auth = inject(AuthenticationService);
   private actions$ = inject(Actions);
   private store = inject(Store);
@@ -95,7 +98,7 @@ export class LoginComponent {
         await this.router.navigate(['/dashboard']);
       },
       error: (err) => {
-        this.error.set(err?.error?.error || 'Login failed');
+        this.error.set(err?.error?.error || this.appI18n.instant('auth.login.failed'));
       }
     });
   }

toju-app/src/app/domains/authentication/feature/register/register.component.html

@@ -5,7 +5,7 @@
         name="lucideUserPlus"
         class="w-5 h-5 text-primary"
       />
-      <h1 class="text-lg font-semibold text-foreground">Register</h1>
+      <h1 class="text-lg font-semibold text-foreground">{{ 'auth.register.title' | translate }}</h1>
     </div>
 
     <div class="space-y-3">
@@ -13,7 +13,7 @@
         <label
           for="register-username"
           class="block text-xs text-muted-foreground mb-1"
-          >Username</label
+          >{{ 'auth.register.username' | translate }}</label
         >
         <input
           [(ngModel)]="username"
@@ -26,7 +26,7 @@
         <label
           for="register-display-name"
           class="block text-xs text-muted-foreground mb-1"
-          >Display Name</label
+          >{{ 'auth.register.displayName' | translate }}</label
         >
         <input
           [(ngModel)]="displayName"
@@ -39,7 +39,7 @@
         <label
           for="register-password"
           class="block text-xs text-muted-foreground mb-1"
-          >Password</label
+          >{{ 'auth.register.password' | translate }}</label
         >
         <input
           [(ngModel)]="password"
@@ -52,7 +52,7 @@
         <label
           for="register-server"
           class="block text-xs text-muted-foreground mb-1"
-          >Server App</label
+          >{{ 'auth.register.serverApp' | translate }}</label
         >
         <select
           [(ngModel)]="serverId"
@@ -72,16 +72,16 @@
         type="button"
         class="w-full px-3 py-2 rounded bg-primary text-primary-foreground hover:bg-primary/90"
       >
-        Create Account
+        {{ 'auth.register.submit' | translate }}
       </button>
       <div class="text-xs text-muted-foreground text-center mt-2">
-        Have an account?
+        {{ 'auth.register.haveAccount' | translate }}
         <button
           type="button"
           (click)="goLogin()"
           class="text-primary hover:underline"
         >
-          Login
+          {{ 'auth.register.loginLink' | translate }}
         </button>
       </div>
     </div>

toju-app/src/app/domains/authentication/feature/register/register.component.ts

@@ -18,6 +18,7 @@ import { ServerDirectoryFacade } from '../../../server-directory';
 import { waitForAuthenticationOutcome } from '../../domain/logic/auth-navigation.rules';
 import { UsersActions } from '../../../../store/users/users.actions';
 import { User } from '../../../../shared-kernel';
+import { AppI18nService, APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 
 @Component({
   selector: 'app-register',
@@ -25,7 +26,8 @@ import { User } from '../../../../shared-kernel';
   imports: [
     CommonModule,
     FormsModule,
-    NgIcon
+    NgIcon,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [provideIcons({ lucideUserPlus })],
   templateUrl: './register.component.html'
@@ -43,6 +45,7 @@ export class RegisterComponent {
   serverId: string | undefined = this.serversSvc.activeServer()?.id;
   error = signal<string | null>(null);
 
+  private readonly appI18n = inject(AppI18nService);
   private auth = inject(AuthenticationService);
   private actions$ = inject(Actions);
   private store = inject(Store);
@@ -97,7 +100,7 @@ export class RegisterComponent {
         await this.router.navigate(['/dashboard']);
       },
       error: (err) => {
-        this.error.set(err?.error?.error || 'Registration failed');
+        this.error.set(err?.error?.error || this.appI18n.instant('auth.register.failed'));
       }
     });
   }

toju-app/src/app/domains/authentication/feature/user-bar/user-bar.component.html

@@ -27,7 +27,7 @@
           name="lucideLogIn"
           class="w-3 h-3"
         />
-        Login
+        {{ 'auth.userBar.login' | translate }}
       </button>
       <button
         type="button"
@@ -38,7 +38,7 @@
           name="lucideUserPlus"
           class="w-3 h-3"
         />
-        Register
+        {{ 'auth.userBar.register' | translate }}
       </button>
     </div>
   }

toju-app/src/app/domains/authentication/feature/user-bar/user-bar.component.ts

@@ -7,6 +7,7 @@ import { lucideLogIn, lucideUserPlus } from '@ng-icons/lucide';
 import { selectCurrentUser } from '../../../../store/users/users.selectors';
 import { ProfileCardService } from '../../../../shared/components/profile-card/profile-card.service';
 import { UserAvatarComponent } from '../../../../shared';
+import { APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 
 @Component({
   selector: 'app-user-bar',
@@ -14,7 +15,8 @@ import { UserAvatarComponent } from '../../../../shared';
   imports: [
     CommonModule,
     NgIcon,
-    UserAvatarComponent
+    UserAvatarComponent,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [
     provideIcons({

toju-app/src/app/domains/chat/README.md

@@ -150,15 +150,15 @@ The composer renders a Discord-style autocomplete menu when the user types `/`.
 
 ## Domain rules
 
-| Function | Purpose |
-|---|---|
-| `canEditMessage(msg, userId)` | Only the sender can edit their own message |
-| `normaliseDeletedMessage(msg)` | Strips content and reactions from deleted messages |
-| `getMessageTimestamp(msg)` | Returns `editedAt` if present, otherwise `timestamp` |
-| `getLatestTimestamp(msgs)` | Max timestamp across a batch, used for sync ordering |
-| `chunkArray(items, size)` | Splits arrays into fixed-size chunks for batched transfer |
-| `findMissingIds(remote, local)` | Compares inventories and returns IDs to request |
-| `resolveAutoScrollBehavior(input)` | Decides `instant` / `smooth` / `none` when the message count changes |
+| Function                                | Purpose                                                                                |
+| --------------------------------------- | -------------------------------------------------------------------------------------- |
+| `canEditMessage(msg, userId)`           | Only the sender can edit their own message                                             |
+| `normaliseDeletedMessage(msg)`          | Strips content and reactions from deleted messages                                     |
+| `getMessageTimestamp(msg)`              | Returns `editedAt` if present, otherwise `timestamp`                                   |
+| `getLatestTimestamp(msgs)`              | Max timestamp across a batch, used for sync ordering                                   |
+| `chunkArray(items, size)`               | Splits arrays into fixed-size chunks for batched transfer                              |
+| `findMissingIds(remote, local)`         | Compares inventories and returns IDs to request                                        |
+| `resolveAutoScrollBehavior(input)`      | Decides `instant` / `smooth` / `none` when the message count changes                   |
 | `isStuckToBottom(distance, threshold?)` | True while the list is close enough to the bottom to keep auto-pinning (default 300px) |
 
 ## Auto-scroll

toju-app/src/app/domains/chat/application/services/klipy.service.ts

@@ -10,6 +10,7 @@ import {
   throwError
 } from 'rxjs';
 import { catchError, map } from 'rxjs/operators';
+import { AppI18nService } from '../../../../core/i18n';
 import {
   ServerDirectoryFacade,
   type RoomSignalSourceInput,
@@ -48,6 +49,7 @@ interface KlipyAvailabilityState {
 @Injectable({ providedIn: 'root' })
 export class KlipyService {
   private readonly http = inject(HttpClient);
+  private readonly appI18n = inject(AppI18nService);
   private readonly serverDirectory = inject(ServerDirectoryFacade);
   private readonly availabilityByKey = signal<Record<string, KlipyAvailabilityState>>({});
 
@@ -63,32 +65,21 @@ export class KlipyService {
     const selector = this.getSourceSelector(source);
     const key = this.getAvailabilityKey(selector);
 
-    this.setAvailabilityState(key, { enabled: false,
-      loading: true });
+    this.setAvailabilityState(key, { enabled: false, loading: true });
 
     try {
-      const response = await firstValueFrom(
-        this.http.get<KlipyAvailabilityResponse>(
-          `${this.serverDirectory.getApiBaseUrl(selector)}/klipy/config`
-        )
-      );
+      const response = await firstValueFrom(this.http.get<KlipyAvailabilityResponse>(`${this.serverDirectory.getApiBaseUrl(selector)}/klipy/config`));
 
       this.setAvailabilityState(key, {
         enabled: response.enabled === true,
         loading: false
       });
     } catch {
-      this.setAvailabilityState(key, { enabled: false,
-        loading: false });
+      this.setAvailabilityState(key, { enabled: false, loading: false });
     }
   }
 
-  searchGifs(
-    query: string,
-    page = 1,
-    perPage = DEFAULT_PAGE_SIZE,
-    source?: RoomSignalSourceInput | null
-  ): Observable<KlipyGifSearchResponse> {
+  searchGifs(query: string, page = 1, perPage = DEFAULT_PAGE_SIZE, source?: RoomSignalSourceInput | null): Observable<KlipyGifSearchResponse> {
     const selector = this.getSourceSelector(source);
 
     let params = new HttpParams()
@@ -108,18 +99,14 @@ export class KlipyService {
       params = params.set('locale', locale);
     }
 
-    return this.http
-      .get<KlipyGifSearchResponse>(`${this.serverDirectory.getApiBaseUrl(selector)}/klipy/gifs`, { params })
-      .pipe(
-        map((response) => ({
-          enabled: response.enabled !== false,
-          results: Array.isArray(response.results) ? response.results : [],
-          hasNext: response.hasNext === true
-        })),
-        catchError((error) =>
-          throwError(() => new Error(this.extractErrorMessage(error)))
-        )
-      );
+    return this.http.get<KlipyGifSearchResponse>(`${this.serverDirectory.getApiBaseUrl(selector)}/klipy/gifs`, { params }).pipe(
+      map((response) => ({
+        enabled: response.enabled !== false,
+        results: Array.isArray(response.results) ? response.results : [],
+        hasNext: response.hasNext === true
+      })),
+      catchError((error) => throwError(() => new Error(this.extractErrorMessage(error))))
+    );
   }
 
   normalizeMediaUrl(url: string): string {
@@ -151,9 +138,7 @@ export class KlipyService {
   }
 
   private getAvailabilityState(source?: RoomSignalSourceInput | null): KlipyAvailabilityState {
-    return this.availabilityByKey()[this.getAvailabilityKey(this.getSourceSelector(source))]
-      ?? { enabled: false,
-        loading: true };
+    return this.availabilityByKey()[this.getAvailabilityKey(this.getSourceSelector(source))] ?? { enabled: false, loading: true };
   }
 
   private setAvailabilityState(key: string, state: KlipyAvailabilityState): void {
@@ -199,9 +184,8 @@ export class KlipyService {
       if (existing?.trim())
         return existing;
 
-      const created = window.crypto?.randomUUID?.()
-        ?? `klipy-${Date.now().toString(36)}-${Math.random().toString(36)
-          .slice(2, 10)}`;
+      const created = window.crypto?.randomUUID?.() ?? `klipy-${Date.now().toString(36)}-${Math.random().toString(36)
+        .slice(2, 10)}`;
 
       window.localStorage.setItem(KLIPY_CUSTOMER_ID_STORAGE_KEY, created);
       return created;
@@ -228,6 +212,6 @@ export class KlipyService {
     if (typeof httpError?.message === 'string')
       return httpError.message;
 
-    return 'Failed to load GIFs from KLIPY.';
+    return this.appI18n.instant('chat.gifPicker.loadFailed');
   }
 }

toju-app/src/app/domains/chat/application/services/link-metadata.service.ts

@@ -18,12 +18,7 @@ export class LinkMetadataService {
   async fetchMetadata(url: string): Promise<LinkMetadata> {
     try {
       const apiBase = this.serverDirectory.getApiBaseUrl();
-      const result = await firstValueFrom(
-        this.http.get<Omit<LinkMetadata, 'url'>>(
-          `${apiBase}/link-metadata`,
-          { params: { url } }
-        )
-      );
+      const result = await firstValueFrom(this.http.get<Omit<LinkMetadata, 'url'>>(`${apiBase}/link-metadata`, { params: { url } }));
 
       return { url, ...result };
     } catch {

toju-app/src/app/domains/chat/domain/rules/auto-scroll.rules.spec.ts

@@ -14,38 +14,26 @@ describe('resolveAutoScrollBehavior', () => {
 
   it('jumps instantly for the local user own send regardless of grace', () => {
     expect(resolveAutoScrollBehavior({ ...base, forceLocalSend: true })).toBe('instant');
-    expect(
-      resolveAutoScrollBehavior({ ...base, forceLocalSend: true, withinInitialGrace: true })
-    ).toBe('instant');
+    expect(resolveAutoScrollBehavior({ ...base, forceLocalSend: true, withinInitialGrace: true })).toBe('instant');
   });
 
   it('jumps instantly when near bottom while settling after a channel switch', () => {
-    expect(
-      resolveAutoScrollBehavior({ ...base, distanceFromBottom: 40, withinInitialGrace: true })
-    ).toBe('instant');
+    expect(resolveAutoScrollBehavior({ ...base, distanceFromBottom: 40, withinInitialGrace: true })).toBe('instant');
   });
 
   it('animates smoothly for live messages once settled and near bottom', () => {
-    expect(
-      resolveAutoScrollBehavior({ ...base, distanceFromBottom: 40, withinInitialGrace: false })
-    ).toBe('smooth');
+    expect(resolveAutoScrollBehavior({ ...base, distanceFromBottom: 40, withinInitialGrace: false })).toBe('smooth');
   });
 
   it('shows the indicator (no scroll) when far from the bottom', () => {
     expect(resolveAutoScrollBehavior({ ...base, distanceFromBottom: 800 })).toBe('none');
-    expect(
-      resolveAutoScrollBehavior({ ...base, distanceFromBottom: 800, withinInitialGrace: true })
-    ).toBe('none');
+    expect(resolveAutoScrollBehavior({ ...base, distanceFromBottom: 800, withinInitialGrace: true })).toBe('none');
   });
 
   it('honours a custom sticky threshold', () => {
-    expect(
-      resolveAutoScrollBehavior({ ...base, distanceFromBottom: 150, stickyThreshold: 100 })
-    ).toBe('none');
+    expect(resolveAutoScrollBehavior({ ...base, distanceFromBottom: 150, stickyThreshold: 100 })).toBe('none');
 
-    expect(
-      resolveAutoScrollBehavior({ ...base, distanceFromBottom: 80, stickyThreshold: 100 })
-    ).toBe('smooth');
+    expect(resolveAutoScrollBehavior({ ...base, distanceFromBottom: 80, stickyThreshold: 100 })).toBe('smooth');
   });
 });
 

toju-app/src/app/domains/chat/domain/rules/auto-scroll.rules.ts

@@ -54,9 +54,6 @@ export const STICKY_BOTTOM_THRESHOLD = 300;
  * This is the predicate the message list uses to decide whether a content
  * height change (late image/embed/plugin render) should re-pin to bottom.
  */
-export function isStuckToBottom(
-  distanceFromBottom: number,
-  threshold: number = STICKY_BOTTOM_THRESHOLD
-): boolean {
+export function isStuckToBottom(distanceFromBottom: number, threshold: number = STICKY_BOTTOM_THRESHOLD): boolean {
   return distanceFromBottom <= threshold;
 }

toju-app/src/app/domains/chat/domain/rules/message-sync.rules.ts

@@ -51,12 +51,7 @@ export function findMissingIds(
   for (const item of remoteItems) {
     const local = localMap.get(item.id);
 
-    if (
-      !local ||
-      item.ts > local.ts ||
-      (item.rc !== undefined && item.rc !== local.rc) ||
-      (item.ac !== undefined && item.ac !== local.ac)
-    ) {
+    if (!local || item.ts > local.ts || (item.rc !== undefined && item.rc !== local.rc) || (item.ac !== undefined && item.ac !== local.ac)) {
       missing.push(item.id);
     }
   }

toju-app/src/app/domains/chat/domain/rules/message.rules.ts

@@ -7,10 +7,7 @@ export function getMessageTimestamp(msg: Message): number {
 
 /** Computes the most recent timestamp across a batch of messages. */
 export function getLatestTimestamp(messages: Message[]): number {
-  return messages.reduce(
-    (max, msg) => Math.max(max, getMessageTimestamp(msg)),
-    0
-  );
+  return messages.reduce((max, msg) => Math.max(max, getMessageTimestamp(msg)), 0);
 }
 
 /** Strips sensitive content from a deleted message. */

toju-app/src/app/domains/chat/feature/chat-messages/chat-messages.component.html

@@ -63,7 +63,7 @@
         (keydown.space)="closeKlipyGifPicker()"
         tabindex="0"
         role="button"
-        aria-label="Close GIF picker"
+        [attr.aria-label]="'chat.gifPicker.closeOverlayAria' | translate"
         style="-webkit-app-region: no-drag"
       ></div>
 

toju-app/src/app/domains/chat/feature/chat-messages/chat-messages.component.ts

@@ -29,6 +29,7 @@ import {
 import { selectCurrentUser, selectIsCurrentUserAdmin } from '../../../../store/users/users.selectors';
 import { selectActiveChannelId, selectCurrentRoom } from '../../../../store/rooms/rooms.selectors';
 import { Message } from '../../../../shared-kernel';
+import { APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 import { ThemeNodeDirective } from '../../../theme';
 import { ChatMessageComposerComponent } from './components/message-composer/chat-message-composer.component';
 import { KlipyGifPickerComponent } from '../klipy-gif-picker/klipy-gif-picker.component';
@@ -56,7 +57,8 @@ import {
     ChatMessageListComponent,
     ChatMessageOverlaysComponent,
     BottomSheetComponent,
-    ThemeNodeDirective
+    ThemeNodeDirective,
+    ...APP_TRANSLATE_IMPORTS
   ],
   templateUrl: './chat-messages.component.html',
   styleUrl: './chat-messages.component.scss'
@@ -87,9 +89,7 @@ export class ChatMessagesComponent {
 
   readonly conversationKey = computed(() => `${this.currentRoom()?.id ?? 'no-room'}:${this.activeChannelId() ?? 'general'}`);
   readonly conversationExhausted = toSignal(
-    toObservable(this.conversationKey).pipe(
-      switchMap((key) => this.store.select(selectConversationExhausted(key)))
-    ),
+    toObservable(this.conversationKey).pipe(switchMap((key) => this.store.select(selectConversationExhausted(key)))),
     { initialValue: false }
   );
   readonly klipyEnabled = computed(() => this.klipy.isEnabled(this.currentRoom()));

toju-app/src/app/domains/chat/feature/chat-messages/components/message-composer/chat-builtin-slash-commands.rules.spec.ts

@@ -7,6 +7,7 @@ import {
 import {
   BUILT_IN_SLASH_COMMANDS,
   BUILT_IN_SLASH_COMMAND_SOURCE,
+  BUILT_IN_SLASH_COMMAND_SOURCE_KEY,
   buildBuiltInSlashCommandEntries
 } from './chat-builtin-slash-commands.rules';
 
@@ -18,28 +19,34 @@ describe('built-in slash commands', () => {
   });
 
   it('adapts definitions to global slash command entries tagged as built-in', () => {
-    const entries = buildBuiltInSlashCommandEntries(() => {});
+    const entries = buildBuiltInSlashCommandEntries(
+      () => {},
+      (key) => `i18n:${key}`
+    );
     const lenny = entries.find((entry) => entry.contribution.name === 'lenny');
 
-    expect(lenny?.pluginId).toBe(BUILT_IN_SLASH_COMMAND_SOURCE);
+    expect(lenny?.pluginId).toBe(`i18n:${BUILT_IN_SLASH_COMMAND_SOURCE_KEY}`);
     expect(lenny?.id).toBe(`${BUILT_IN_SLASH_COMMAND_SOURCE}:lenny`);
     expect(lenny?.contribution.scope).toBe('global');
+    expect(lenny?.contribution.description).toBe('i18n:chat.slashCommand.lennyDescription');
   });
 
   it('runs the command by sending its text', () => {
     const sendText = vi.fn();
     const entries = buildBuiltInSlashCommandEntries(sendText);
 
-    entries.find((entry) => entry.contribution.name === 'lenny')?.contribution.run({
-      args: {},
-      command: 'lenny',
-      rawArgs: '',
-      server: null,
-      source: 'slashCommand',
-      textChannel: null,
-      user: null,
-      voiceChannel: null
-    });
+    entries
+      .find((entry) => entry.contribution.name === 'lenny')
+      ?.contribution.run({
+        args: {},
+        command: 'lenny',
+        rawArgs: '',
+        server: null,
+        source: 'slashCommand',
+        textChannel: null,
+        user: null,
+        voiceChannel: null
+      });
 
     expect(sendText).toHaveBeenCalledWith('( ͡° ͜ʖ ͡°)');
   });

toju-app/src/app/domains/chat/feature/chat-messages/components/message-composer/chat-builtin-slash-commands.rules.ts

@@ -1,11 +1,14 @@
 import type { SlashCommandEntry } from '../../../../../plugins';
 
-/** Source label shown for built-in commands in the slash command menu. */
-export const BUILT_IN_SLASH_COMMAND_SOURCE = 'Built-in';
+/** Plugin id tag for built-in commands in the slash command menu. */
+export const BUILT_IN_SLASH_COMMAND_SOURCE = 'built-in';
+
+/** i18n key for the built-in command source badge. */
+export const BUILT_IN_SLASH_COMMAND_SOURCE_KEY = 'chat.slashCommand.builtInSource';
 
 /** A first-party slash command that inserts fixed text into the chat as a message. */
 export interface BuiltInSlashCommand {
-  description: string;
+  descriptionKey: string;
   icon?: string;
   name: string;
   text: string;
@@ -18,7 +21,7 @@ export interface BuiltInSlashCommand {
 export const BUILT_IN_SLASH_COMMANDS: readonly BuiltInSlashCommand[] = [
   {
     name: 'lenny',
-    description: 'Send the Lenny face ( ͡° ͜ʖ ͡°)',
+    descriptionKey: 'chat.slashCommand.lennyDescription',
     text: '( ͡° ͜ʖ ͡°)'
   }
 ];
@@ -28,16 +31,19 @@ export const BUILT_IN_SLASH_COMMANDS: readonly BuiltInSlashCommand[] = [
  * by the composer menu. Each entry's `run` sends the command's text through the
  * provided callback so it posts as a normal chat message.
  */
-export function buildBuiltInSlashCommandEntries(sendText: (text: string) => void): SlashCommandEntry[] {
+export function buildBuiltInSlashCommandEntries(
+  sendText: (text: string) => void,
+  instant: (key: string) => string = (key) => key
+): SlashCommandEntry[] {
   return BUILT_IN_SLASH_COMMANDS.map((command) => ({
     contribution: {
-      description: command.description,
+      description: instant(command.descriptionKey),
       icon: command.icon,
       name: command.name,
       run: () => sendText(command.text),
       scope: 'global'
     },
     id: `${BUILT_IN_SLASH_COMMAND_SOURCE}:${command.name}`,
-    pluginId: BUILT_IN_SLASH_COMMAND_SOURCE
+    pluginId: instant(BUILT_IN_SLASH_COMMAND_SOURCE_KEY)
   }));
 }

toju-app/src/app/domains/chat/feature/chat-messages/components/message-composer/chat-message-composer.component.html

@@ -24,7 +24,7 @@
         class="h-4 w-4 text-muted-foreground"
       />
       <span class="flex-1 text-sm text-muted-foreground">
-        Replying to <span class="font-semibold">{{ replyTo()?.senderName }}</span>
+        {{ 'chat.composer.replyingTo' | translate: { name: replyTo()?.senderName } }}
       </span>
       <button
         (click)="clearReply()"
@@ -98,43 +98,43 @@
           class="rounded px-2 py-1 text-xs hover:bg-secondary"
           (click)="applyPrefix('> ')"
         >
-          Quote
+          {{ 'chat.composer.toolbar.quote' | translate }}
         </button>
         <button
           class="rounded px-2 py-1 text-xs hover:bg-secondary"
           (click)="applyPrefix('- ')"
         >
-          • List
+          {{ 'chat.composer.toolbar.bulletList' | translate }}
         </button>
         <button
           class="rounded px-2 py-1 text-xs hover:bg-secondary"
           (click)="applyOrderedList()"
         >
-          1. List
+          {{ 'chat.composer.toolbar.orderedList' | translate }}
         </button>
         <button
           class="rounded px-2 py-1 text-xs hover:bg-secondary"
           (click)="applyCodeBlock()"
         >
-          Code
+          {{ 'chat.composer.toolbar.code' | translate }}
         </button>
         <button
           class="rounded px-2 py-1 text-xs hover:bg-secondary"
           (click)="applyLink()"
         >
-          Link
+          {{ 'chat.composer.toolbar.link' | translate }}
         </button>
         <button
           class="rounded px-2 py-1 text-xs hover:bg-secondary"
           (click)="applyImage()"
         >
-          Image
+          {{ 'chat.composer.toolbar.image' | translate }}
         </button>
         <button
           class="rounded px-2 py-1 text-xs hover:bg-secondary"
           (click)="applyHorizontalRule()"
         >
-          HR
+          {{ 'chat.composer.toolbar.horizontalRule' | translate }}
         </button>
       </div>
     </div>
@@ -176,8 +176,8 @@
               [class.opacity-100]="inputHovered() || showComposerMediaMenu() || showEmojiPicker() || showKlipyGifPicker()"
               [class.opacity-70]="!inputHovered() && !showComposerMediaMenu() && !showEmojiPicker() && !showKlipyGifPicker()"
               [class.text-primary]="showComposerMediaMenu() || showEmojiPicker() || showKlipyGifPicker()"
-              aria-label="Add attachment, GIF, or emoji"
-              title="Add attachment, GIF, or emoji"
+              [attr.aria-label]="'chat.composer.addAttachmentGifEmoji' | translate"
+              [title]="'chat.composer.addAttachmentGifEmoji' | translate"
             >
               <ng-icon
                 name="lucidePlus"
@@ -187,8 +187,8 @@
 
             @if (showComposerMediaMenu()) {
               <app-bottom-sheet
-                title="Add to message"
-                ariaLabel="Add to message"
+                [title]="'chat.composer.addToMessage' | translate"
+                [ariaLabel]="'chat.composer.addToMessage' | translate"
                 (dismissed)="closeComposerMediaMenu()"
               >
                 <div class="flex flex-col py-1">
@@ -218,7 +218,7 @@
                           />
                         }
                       }
-                      <span>{{ option.label }}</span>
+                      <span>{{ option.labelKey | translate }}</span>
                     </button>
                   }
                 </div>
@@ -227,8 +227,8 @@
 
             @if (showEmojiPicker()) {
               <app-bottom-sheet
-                title="Emoji"
-                ariaLabel="Emoji picker"
+                [title]="'chat.composer.emoji' | translate"
+                [ariaLabel]="'chat.composer.emojiPickerAria' | translate"
                 (dismissed)="closeEmojiPicker()"
               >
                 <app-custom-emoji-picker
@@ -249,8 +249,8 @@
               class="inline-flex h-11 w-11 items-center justify-center rounded-2xl border border-border/70 bg-secondary/55 text-muted-foreground shadow-sm backdrop-blur-md transition-all duration-200 hover:-translate-y-0.5 hover:border-primary/35 hover:bg-secondary/90 hover:text-foreground md:h-10 md:w-10"
               [class.opacity-100]="inputHovered()"
               [class.opacity-70]="!inputHovered()"
-              aria-label="Attach files"
-              title="Attach files"
+              [attr.aria-label]="'chat.composer.attachFiles' | translate"
+              [title]="'chat.composer.attachFiles' | translate"
             >
               <ng-icon
                 name="lucidePaperclip"
@@ -270,14 +270,14 @@
               [class.opacity-70]="!inputHovered() && !showKlipyGifPicker()"
               [class.shadow-none]="!inputHovered() && !showKlipyGifPicker()"
               [class.text-primary]="showKlipyGifPicker()"
-              aria-label="Search KLIPY GIFs"
-              title="Search KLIPY GIFs"
+              [attr.aria-label]="'chat.composer.searchKlipyGifs' | translate"
+              [title]="'chat.composer.searchKlipyGifs' | translate"
             >
               <ng-icon
                 name="lucideImage"
                 class="h-4 w-4"
               />
-              <span class="hidden sm:inline">GIF</span>
+              <span class="hidden sm:inline">{{ 'chat.composer.gif' | translate }}</span>
             </button>
           }
 
@@ -290,8 +290,8 @@
               [class.opacity-100]="inputHovered() || showEmojiPicker()"
               [class.opacity-60]="!inputHovered() && !showEmojiPicker()"
               [class.grayscale-0]="showEmojiPicker()"
-              aria-label="Open emoji selector"
-              title="Open emoji selector"
+              [attr.aria-label]="'chat.composer.openEmojiSelector' | translate"
+              [title]="'chat.composer.openEmojiSelector' | translate"
             >
               {{ emojiButton() }}
             </button>
@@ -314,8 +314,8 @@
           (click)="sendMessage()"
           [disabled]="!messageContent.trim() && pendingFiles.length === 0 && !pendingKlipyGif()"
           class="send-btn visible inline-flex h-11 w-11 items-center justify-center rounded-2xl bg-primary text-primary-foreground shadow-lg shadow-primary/25 ring-1 ring-primary/20 transition-all duration-200 hover:-translate-y-0.5 hover:bg-primary/90 disabled:translate-y-0 disabled:cursor-not-allowed disabled:bg-secondary disabled:text-muted-foreground disabled:shadow-none disabled:ring-0"
-          aria-label="Send message"
-          title="Send message"
+          [attr.aria-label]="'chat.composer.sendMessage' | translate"
+          [title]="'chat.composer.sendMessage' | translate"
         >
           <ng-icon
             name="lucideSend"
@@ -339,7 +339,7 @@
         (dragover)="onDragOver($event)"
         (dragleave)="onDragLeave($event)"
         (drop)="onDrop($event)"
-        placeholder="Type a message..."
+        [placeholder]="'chat.composer.placeholder' | translate"
         class="chat-textarea w-full min-w-0 border-0 pl-4 text-foreground placeholder:text-muted-foreground focus:outline-none"
         [class.chat-textarea-expanded]="textareaExpanded()"
         [class.ctrl-resize]="ctrlHeld()"
@@ -348,7 +348,7 @@
 
       @if (dragActive()) {
         <div class="pointer-events-none absolute inset-0 flex items-center justify-center border-2 border-dashed border-primary bg-primary/5">
-          <div class="text-sm text-muted-foreground">Drop files to attach</div>
+          <div class="text-sm text-muted-foreground">{{ 'chat.composer.dropFilesToAttach' | translate }}</div>
         </div>
       }
 
@@ -359,20 +359,20 @@
               <img
                 [appChatImageProxyFallback]="pendingKlipyGif()!.previewUrl || pendingKlipyGif()!.url"
                 [signalSource]="klipySignalSource()"
-                [alt]="pendingKlipyGif()!.title || 'KLIPY GIF'"
+                [alt]="pendingKlipyGif()!.title || ('chat.composer.klipyGif' | translate)"
                 class="h-full w-full object-cover"
                 loading="lazy"
               />
               <span
                 class="absolute bottom-1 left-1 rounded bg-black/70 px-1.5 py-0.5 text-[8px] font-semibold uppercase tracking-[0.18em] text-white/90"
               >
-                KLIPY
+                {{ 'chat.composer.klipy' | translate }}
               </span>
             </div>
             <div class="min-w-0">
-              <div class="text-xs font-medium text-foreground">GIF ready to send</div>
+              <div class="text-xs font-medium text-foreground">{{ 'chat.composer.gifReadyToSend' | translate }}</div>
               <div class="max-w-[12rem] truncate text-[10px] text-muted-foreground">
-                {{ pendingKlipyGif()!.title || 'KLIPY GIF' }}
+                {{ pendingKlipyGif()!.title || ('chat.composer.klipyGif' | translate) }}
               </div>
             </div>
             <button
@@ -380,7 +380,7 @@
               (click)="removePendingKlipyGif()"
               class="rounded px-2 py-1 text-[10px] text-destructive transition-colors hover:bg-destructive/10"
             >
-              Remove
+              {{ 'chat.composer.remove' | translate }}
             </button>
           </div>
         </div>
@@ -396,7 +396,7 @@
                 (click)="removePendingFile(file)"
                 class="rounded bg-destructive/20 px-1 py-0.5 text-[10px] text-destructive opacity-70 group-hover:opacity-100"
               >
-                Remove
+                {{ 'chat.composer.remove' | translate }}
               </button>
             </div>
           }

toju-app/src/app/domains/chat/feature/chat-messages/components/message-composer/chat-message-composer.component.ts

@@ -54,6 +54,7 @@ import {
 } from '../../../../../custom-emoji';
 import { annotateLocalFilePath } from '../../../../../attachment';
 import { BottomSheetComponent } from '../../../../../../shared';
+import { AppI18nService, APP_TRANSLATE_IMPORTS } from '../../../../../../core/i18n';
 import { ViewportService } from '../../../../../../core/platform/viewport.service';
 import { MobileMediaService, MobilePlatformService } from '../../../../../../infrastructure/mobile';
 import {
@@ -83,7 +84,8 @@ const DEFAULT_TEXTAREA_HEIGHT = 62;
     TypingIndicatorComponent,
     ThemeNodeDirective,
     BottomSheetComponent,
-    ChatSlashCommandMenuComponent
+    ChatSlashCommandMenuComponent,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [
     provideIcons({
@@ -132,13 +134,12 @@ export class ChatMessageComposerComponent implements AfterViewInit, OnDestroy {
   private readonly mobilePlatform = inject(MobilePlatformService);
   private readonly mobileMedia = inject(MobileMediaService);
   private readonly viewport = inject(ViewportService);
+  private readonly appI18n = inject(AppI18nService);
 
   readonly pendingKlipyGif = signal<KlipyGif | null>(null);
   readonly shouldShowAttachmentButton = this.mobilePlatform.shouldShowAttachmentButton;
   readonly mergeComposerMediaActions = computed(() => shouldMergeComposerMediaActions(this.viewport.isMobile()));
-  readonly composerMediaMenuOptions = computed(() =>
-    buildComposerMediaMenuOptions(this.shouldShowAttachmentButton(), this.klipyEnabled())
-  );
+  readonly composerMediaMenuOptions = computed(() => buildComposerMediaMenuOptions(this.shouldShowAttachmentButton(), this.klipyEnabled()));
   readonly composerTextareaPaddingClass = computed(() =>
     resolveComposerTextareaPaddingClass({
       isMobileViewport: this.viewport.isMobile(),
@@ -152,12 +153,12 @@ export class ChatMessageComposerComponent implements AfterViewInit, OnDestroy {
   readonly pluginComposerActions = this.pluginUi.composerActionRecords;
   readonly slashQuery = signal<string | null>(null);
   readonly slashActiveIndex = signal(0);
-  private readonly builtInSlashEntries = buildBuiltInSlashCommandEntries((text) => this.sendBuiltInSlashText(text));
+  private readonly builtInSlashEntries = buildBuiltInSlashCommandEntries(
+    (text) => this.sendBuiltInSlashText(text),
+    (key) => this.appI18n.instant(key)
+  );
   readonly availableSlashCommands = computed(() =>
-    selectAvailableSlashCommands(
-      [...this.builtInSlashEntries, ...this.pluginUi.slashCommandRecords()],
-      this.commandSurface()
-    )
+    selectAvailableSlashCommands([...this.builtInSlashEntries, ...this.pluginUi.slashCommandRecords()], this.commandSurface())
   );
   readonly slashCommandResults = computed(() => {
     const query = this.slashQuery();
@@ -377,8 +378,7 @@ export class ChatMessageComposerComponent implements AfterViewInit, OnDestroy {
   }
 
   runPluginComposerAction(action: PluginApiActionContribution): void {
-    void Promise.resolve()
-      .then(() => action.run(this.pluginApi.createActionContext('composerAction')));
+    void Promise.resolve().then(() => action.run(this.pluginApi.createActionContext('composerAction')));
   }
 
   updateSlashCommandMenu(): void {
@@ -542,22 +542,22 @@ export class ChatMessageComposerComponent implements AfterViewInit, OnDestroy {
   }
 
   formatBytes(bytes: number): string {
-    const units = [
-      'B',
-      'KB',
-      'MB',
-      'GB'
+    const unitKeys = [
+      'chat.units.b',
+      'chat.units.kb',
+      'chat.units.mb',
+      'chat.units.gb'
     ];
 
     let size = bytes;
     let unitIndex = 0;
 
-    while (size >= 1024 && unitIndex < units.length - 1) {
+    while (size >= 1024 && unitIndex < unitKeys.length - 1) {
       size /= 1024;
       unitIndex++;
     }
 
-    return `${size.toFixed(1)} ${units[unitIndex]}`;
+    return `${size.toFixed(1)} ${this.appI18n.instant(unitKeys[unitIndex])}`;
   }
 
   removePendingFile(file: File): void {
@@ -880,9 +880,7 @@ export class ChatMessageComposerComponent implements AfterViewInit, OnDestroy {
     const payloadPath = payload.path;
 
     return annotateLocalFilePath(file, {
-      getPathForFile: payloadPath
-        ? () => payloadPath
-        : this.electronBridge.getApi()?.getPathForFile
+      getPathForFile: payloadPath ? () => payloadPath : this.electronBridge.getApi()?.getPathForFile
     });
   }
 

toju-app/src/app/domains/chat/feature/chat-messages/components/message-composer/chat-slash-command-menu.component.html

@@ -2,10 +2,10 @@
   <div
     class="overflow-hidden rounded-2xl border border-border bg-card/95 shadow-2xl shadow-black/30 backdrop-blur-xl"
     role="listbox"
-    aria-label="Slash commands"
+    [attr.aria-label]="'chat.slashCommand.ariaLabel' | translate"
   >
     <div class="flex items-center justify-between border-b border-border/60 px-4 py-2">
-      <span class="text-[11px] font-semibold uppercase tracking-[0.18em] text-muted-foreground">Commands</span>
+      <span class="text-[11px] font-semibold uppercase tracking-[0.18em] text-muted-foreground">{{ 'chat.slashCommand.commands' | translate }}</span>
       <span class="text-[11px] text-muted-foreground">{{ commands().length }}</span>
     </div>
 

toju-app/src/app/domains/chat/feature/chat-messages/components/message-composer/chat-slash-command-menu.component.ts

@@ -1,4 +1,5 @@
 import { CommonModule } from '@angular/common';
+import { APP_TRANSLATE_IMPORTS } from '../../../../../../core/i18n';
 import {
   Component,
   ElementRef,
@@ -13,7 +14,7 @@ import type { SlashCommandEntry } from '../../../../../plugins';
 @Component({
   selector: 'app-chat-slash-command-menu',
   standalone: true,
-  imports: [CommonModule],
+  imports: [CommonModule, ...APP_TRANSLATE_IMPORTS],
   templateUrl: './chat-slash-command-menu.component.html',
   host: {
     class: 'block'
@@ -42,9 +43,7 @@ export class ChatSlashCommandMenuComponent {
   }
 
   usage(entry: SlashCommandEntry): string {
-    return (entry.contribution.options ?? [])
-      .map((option) => this.formatOption(option))
-      .join(' ');
+    return (entry.contribution.options ?? []).map((option) => this.formatOption(option)).join(' ');
   }
 
   pick(entry: SlashCommandEntry): void {

toju-app/src/app/domains/chat/feature/chat-messages/components/message-composer/composer-media-menu.rules.spec.ts

@@ -18,14 +18,17 @@ describe('composer-media-menu.rules', () => {
   describe('buildComposerMediaMenuOptions', () => {
     it('includes attachment, gif, and emoji when all are available', () => {
       expect(buildComposerMediaMenuOptions(true, true)).toEqual([
-        { action: 'attachment', label: 'Attach files' },
-        { action: 'gif', label: 'GIF' },
-        { action: 'emoji', label: 'Emoji' }
+        { action: 'attachment', labelKey: 'chat.mediaMenu.attachFiles' },
+        { action: 'gif', labelKey: 'chat.mediaMenu.gif' },
+        { action: 'emoji', labelKey: 'chat.mediaMenu.emoji' }
       ]);
     });
 
     it('omits attachment when the picker is unavailable', () => {
-      expect(buildComposerMediaMenuOptions(false, true)).toEqual([{ action: 'gif', label: 'GIF' }, { action: 'emoji', label: 'Emoji' }]);
+      const gifOption = { action: 'gif' as const, labelKey: 'chat.mediaMenu.gif' };
+      const emojiOption = { action: 'emoji' as const, labelKey: 'chat.mediaMenu.emoji' };
+
+      expect(buildComposerMediaMenuOptions(false, true)).toEqual([gifOption, emojiOption]);
     });
 
     it('omits gif when klipy is disabled', () => {
@@ -35,7 +38,7 @@ describe('composer-media-menu.rules', () => {
     });
 
     it('always includes emoji even when attachment and gif are unavailable', () => {
-      expect(buildComposerMediaMenuOptions(false, false)).toEqual([{ action: 'emoji', label: 'Emoji' }]);
+      expect(buildComposerMediaMenuOptions(false, false)).toEqual([{ action: 'emoji', labelKey: 'chat.mediaMenu.emoji' }]);
     });
   });
 

toju-app/src/app/domains/chat/feature/chat-messages/components/message-composer/composer-media-menu.rules.ts

@@ -2,7 +2,7 @@ export type ComposerMediaMenuAction = 'attachment' | 'gif' | 'emoji';
 
 export interface ComposerMediaMenuOption {
   action: ComposerMediaMenuAction;
-  label: string;
+  labelKey: string;
 }
 
 export interface ComposerTextareaPaddingInput {
@@ -17,21 +17,18 @@ export function shouldMergeComposerMediaActions(isMobileViewport: boolean): bool
 }
 
 /** Build the actions shown in the merged mobile composer media menu. */
-export function buildComposerMediaMenuOptions(
-  showAttachment: boolean,
-  klipyEnabled: boolean
-): ComposerMediaMenuOption[] {
+export function buildComposerMediaMenuOptions(showAttachment: boolean, klipyEnabled: boolean): ComposerMediaMenuOption[] {
   const options: ComposerMediaMenuOption[] = [];
 
   if (showAttachment) {
-    options.push({ action: 'attachment', label: 'Attach files' });
+    options.push({ action: 'attachment', labelKey: 'chat.mediaMenu.attachFiles' });
   }
 
   if (klipyEnabled) {
-    options.push({ action: 'gif', label: 'GIF' });
+    options.push({ action: 'gif', labelKey: 'chat.mediaMenu.gif' });
   }
 
-  options.push({ action: 'emoji', label: 'Emoji' });
+  options.push({ action: 'emoji', labelKey: 'chat.mediaMenu.emoji' });
 
   return options;
 }

toju-app/src/app/domains/chat/feature/chat-messages/components/message-item/chat-link-embed/chat-link-embed.component.html

@@ -18,7 +18,7 @@
         @if (meta.imageUrl) {
           <img
             [src]="meta.imageUrl"
-            [alt]="meta.title || 'Link preview'"
+            [alt]="meta.title || ('chat.linkEmbed.previewAlt' | translate)"
             class="hidden h-auto w-28 flex-shrink-0 object-cover sm:block"
             loading="lazy"
             referrerpolicy="no-referrer"

toju-app/src/app/domains/chat/feature/chat-messages/components/message-item/chat-link-embed/chat-link-embed.component.ts

@@ -3,6 +3,7 @@ import {
   input,
   output
 } from '@angular/core';
+import { APP_TRANSLATE_IMPORTS } from '../../../../../../../core/i18n';
 import { NgIcon, provideIcons } from '@ng-icons/core';
 import { lucideX } from '@ng-icons/lucide';
 import { LinkMetadata } from '../../../../../../../shared-kernel';
@@ -10,7 +11,7 @@ import { LinkMetadata } from '../../../../../../../shared-kernel';
 @Component({
   selector: 'app-chat-link-embed',
   standalone: true,
-  imports: [NgIcon],
+  imports: [NgIcon, ...APP_TRANSLATE_IMPORTS],
   viewProviders: [provideIcons({ lucideX })],
   templateUrl: './chat-link-embed.component.html'
 })

toju-app/src/app/domains/chat/feature/chat-messages/components/message-item/chat-message-item.component.html

@@ -57,7 +57,7 @@
             <span class="font-medium">{{ reply.senderName }}</span>
             <span class="max-w-[200px] truncate">{{ reply.isDeleted ? deletedMessageContent : formatMessagePreview(reply.content) }}</span>
           } @else {
-            <span class="italic">Original message not found</span>
+            <span class="italic">{{ 'chat.message.originalNotFound' | translate }}</span>
           }
         </div>
       }
@@ -70,7 +70,7 @@
         >
         <span class="text-xs text-muted-foreground">{{ formatTimestamp(msg.timestamp) }}</span>
         @if (msg.editedAt && !msg.isDeleted) {
-          <span class="text-xs text-muted-foreground">(edited)</span>
+          <span class="text-xs text-muted-foreground">{{ 'chat.message.edited' | translate }}</span>
         }
       </div>
 
@@ -126,13 +126,13 @@
 
           @if (missingPluginEmbed(); as missingEmbed) {
             <article class="mt-2 max-w-lg rounded-md border border-border bg-secondary/30 p-3 text-sm text-muted-foreground">
-              Required plugin is not installed to view this content, visit the
+              {{ 'chat.message.missingPluginPrefix' | translate }}
               <button
                 type="button"
                 class="font-semibold text-primary underline-offset-4 hover:underline"
                 (click)="openMissingPluginStore(missingEmbed)"
               >
-                store</button
+                {{ 'chat.message.store' | translate }}</button
               >.
             </article>
           }
@@ -213,7 +213,7 @@
                               class="chat-image-grid-retry"
                               (click)="retryImageRequest(gridImage)"
                             >
-                              Retry
+                              {{ 'chat.message.retry' | translate }}
                             </button>
                           </div>
                         }
@@ -222,7 +222,7 @@
                       <button
                         type="button"
                         class="chat-image-grid-cell chat-image-grid-overflow"
-                        [attr.aria-label]="'View all ' + displayableImages().length + ' images'"
+                        [attr.aria-label]="viewAllImagesAriaLabel(displayableImages().length)"
                         (click)="openImageGallery()"
                       >
                         <span class="chat-image-grid-overflow-label">{{ imageOverflowLabel(cell.hiddenCount) }}</span>
@@ -250,7 +250,7 @@
                           <button
                             (click)="openLightbox(att); $event.stopPropagation()"
                             class="grid h-7 w-7 place-items-center rounded-md bg-black/60 text-white backdrop-blur-sm transition-colors hover:bg-black/80"
-                            title="View full size"
+                            [title]="'chat.message.viewFullSize' | translate"
                           >
                             <ng-icon
                               name="lucideExpand"
@@ -260,7 +260,7 @@
                           <button
                             (click)="downloadAttachment(att); $event.stopPropagation()"
                             class="grid h-7 w-7 place-items-center rounded-md bg-black/60 text-white backdrop-blur-sm transition-colors hover:bg-black/80"
-                            title="Download"
+                            [title]="'chat.message.download' | translate"
                           >
                             <ng-icon
                               name="lucideDownload"
@@ -316,7 +316,7 @@
                               [class.text-destructive]="!!att.requestError"
                               [class.text-muted-foreground]="!att.requestError"
                             >
-                              {{ att.requestError || 'Waiting for image source...' }}
+                              {{ att.requestError || ('chat.message.waitingForImage' | translate) }}
                             </div>
                           </div>
                         </div>
@@ -324,7 +324,7 @@
                           (click)="retryImageRequest(att)"
                           class="mt-2 w-full rounded-md bg-secondary px-3 py-1.5 text-xs text-foreground transition-colors hover:bg-secondary/80"
                         >
-                          Retry
+                          {{ 'chat.message.retry' | translate }}
                         </button>
                       </div>
                     }
@@ -359,7 +359,7 @@
                             class="rounded bg-destructive px-2 py-1 text-xs text-destructive-foreground"
                             (click)="cancelAttachment(att)"
                           >
-                            Cancel
+                            {{ 'chat.message.cancel' | translate }}
                           </button>
                         </div>
                         <div class="mt-2 h-1.5 overflow-hidden rounded-full bg-muted">
@@ -432,14 +432,14 @@
                                   class="rounded bg-secondary px-2 py-1 text-xs text-foreground"
                                   (click)="requestAttachment(att)"
                                 >
-                                  {{ att.requestError ? 'Retry' : 'Request' }}
+                                  {{ attachmentRequestLabel(!!att.requestError) }}
                                 </button>
                               } @else {
                                 <button
                                   class="rounded bg-destructive px-2 py-1 text-xs text-destructive-foreground"
                                   (click)="cancelAttachment(att)"
                                 >
-                                  Cancel
+                                  {{ 'chat.message.cancel' | translate }}
                                 </button>
                               }
                             } @else {
@@ -452,7 +452,7 @@
                                     name="lucideExternalLink"
                                     class="h-3.5 w-3.5"
                                   />
-                                  Open
+                                  {{ 'chat.message.open' | translate }}
                                 </button>
                               }
                               @if (att.canUseExperimentalPlayer) {
@@ -464,18 +464,18 @@
                                     name="lucidePlay"
                                     class="h-3.5 w-3.5"
                                   />
-                                  Play
+                                  {{ 'chat.message.play' | translate }}
                                 </button>
                               }
                               <button
                                 class="rounded bg-primary px-2 py-1 text-xs text-primary-foreground"
                                 (click)="downloadAttachment(att)"
                               >
-                                Download
+                                {{ 'chat.message.download' | translate }}
                               </button>
                             }
                           } @else {
-                            <div class="text-xs text-muted-foreground">Shared from your device</div>
+                            <div class="text-xs text-muted-foreground">{{ 'chat.message.sharedFromDevice' | translate }}</div>
                             @if (att.canOpenExternally) {
                               <button
                                 class="inline-flex items-center gap-1.5 rounded bg-secondary px-2 py-1 text-xs text-foreground transition-colors hover:bg-secondary/80"
@@ -485,7 +485,7 @@
                                   name="lucideExternalLink"
                                   class="h-3.5 w-3.5"
                                 />
-                                Open
+                                {{ 'chat.message.open' | translate }}
                               </button>
                             }
                             @if (att.canUseExperimentalPlayer) {
@@ -497,7 +497,7 @@
                                   name="lucidePlay"
                                   class="h-3.5 w-3.5"
                                 />
-                                Play
+                                {{ 'chat.message.play' | translate }}
                               </button>
                             }
                           }
@@ -523,7 +523,7 @@
                         />
                       } @loading {
                         <div class="mt-2 max-w-xl rounded-md border border-border bg-secondary/20 p-3 text-xs text-muted-foreground">
-                          Loading experimental player...
+                          {{ 'chat.message.loadingExperimentalPlayer' | translate }}
                         </div>
                       }
                     }
@@ -550,7 +550,7 @@
               @if (isCustomEmojiToken(reaction.emoji) && customEmojiUrl(reaction.emoji); as reactionEmojiUrl) {
                 <img
                   [src]="reactionEmojiUrl"
-                  alt="Custom emoji"
+                  [alt]="'chat.message.customEmojiAlt' | translate"
                   class="h-6 w-6 object-contain"
                 />
               } @else {
@@ -628,13 +628,13 @@
 
     <ng-template #mobileSheetTpl>
       <app-bottom-sheet
-        title="Message"
-        ariaLabel="Message actions"
+        [title]="'chat.message.mobileSheetTitle' | translate"
+        [ariaLabel]="'chat.message.mobileSheetAria' | translate"
         (dismissed)="closeMobileActions()"
       >
         <div class="flex flex-col py-1">
           <div class="px-3 pb-2 pt-1">
-            <p class="text-xs font-medium uppercase tracking-wide text-muted-foreground">React</p>
+            <p class="text-xs font-medium uppercase tracking-wide text-muted-foreground">{{ 'chat.message.react' | translate }}</p>
             <div class="mt-2 grid grid-cols-8 gap-1">
               @for (entry of emojiShortcuts(); track entry.key) {
                 <button
@@ -669,7 +669,7 @@
               name="lucideReply"
               class="h-5 w-5 text-muted-foreground"
             />
-            <span>Reply</span>
+            <span>{{ 'chat.message.reply' | translate }}</span>
           </button>
 
           <button
@@ -681,7 +681,7 @@
               name="lucideCopy"
               class="h-5 w-5 text-muted-foreground"
             />
-            <span>Copy message content</span>
+            <span>{{ 'chat.message.copyContent' | translate }}</span>
           </button>
 
           @if (isOwnMessage()) {
@@ -694,7 +694,7 @@
                 name="lucideEdit"
                 class="h-5 w-5 text-muted-foreground"
               />
-              <span>Edit</span>
+              <span>{{ 'chat.message.edit' | translate }}</span>
             </button>
           }
 
@@ -708,7 +708,7 @@
                 name="lucideTrash2"
                 class="h-5 w-5"
               />
-              <span>Delete</span>
+              <span>{{ 'chat.message.delete' | translate }}</span>
             </button>
           }
         </div>

toju-app/src/app/domains/chat/feature/chat-messages/components/message-item/chat-message-item.component.scss

@@ -41,17 +41,29 @@
       }
     }
 
-    h1, h2, h3, h4, h5, h6 {
+    h1,
+    h2,
+    h3,
+    h4,
+    h5,
+    h6 {
       margin: 0.5em 0 0.25em;
       color: hsl(var(--foreground));
       font-weight: 700;
     }
 
-    h1 { font-size: 1.5em; }
-    h2 { font-size: 1.3em; }
-    h3 { font-size: 1.15em; }
+    h1 {
+      font-size: 1.5em;
+    }
+    h2 {
+      font-size: 1.3em;
+    }
+    h3 {
+      font-size: 1.15em;
+    }
 
-    ul, ol {
+    ul,
+    ol {
       margin: 0.25em 0;
       padding-left: 1.5em;
     }
@@ -143,7 +155,8 @@
       font-size: 0.875em;
     }
 
-    th, td {
+    th,
+    td {
       border: 1px solid hsl(var(--border));
       padding: 0.35em 0.75em;
       text-align: left;

toju-app/src/app/domains/chat/feature/chat-messages/components/message-item/chat-message-item.component.ts

@@ -52,11 +52,8 @@ import { ExperimentalMediaSettingsService } from '../../../../../experimental-me
 import { ExperimentalVlcPlayerComponent } from '../../../../../experimental-media/feature/experimental-vlc-player/experimental-vlc-player.component';
 import { KlipyService } from '../../../../application/services/klipy.service';
 import { hasDedicatedChatEmbed } from '../../../../domain/rules/link-embed.rules';
-import {
-  DELETED_MESSAGE_CONTENT,
-  Message,
-  User
-} from '../../../../../../shared-kernel';
+import { AppI18nService, APP_TRANSLATE_IMPORTS } from '../../../../../../core/i18n';
+import { Message, User } from '../../../../../../shared-kernel';
 import { ThemeNodeDirective } from '../../../../../theme';
 import { PluginRenderHostComponent } from '../../../../../plugins/feature/plugin-render-host/plugin-render-host.component';
 import { PluginRequirementStateService, PluginUiRegistryService } from '../../../../../plugins';
@@ -142,7 +139,8 @@ interface MissingPluginEmbedFallback {
     PluginRenderHostComponent,
     ExperimentalVlcPlayerComponent,
     ThemeNodeDirective,
-    BottomSheetComponent
+    BottomSheetComponent,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [
     provideIcons({
@@ -184,6 +182,7 @@ export class ChatMessageItemComponent implements OnDestroy {
   private readonly viewport = inject(ViewportService);
   private readonly overlay = inject(Overlay);
   private readonly viewContainerRef = inject(ViewContainerRef);
+  private readonly appI18n = inject(AppI18nService);
   private mobileSheetOverlayRef: OverlayRef | null = null;
   private longPressTimer: number | null = null;
   readonly isMobile = this.viewport.isMobile;
@@ -211,7 +210,7 @@ export class ChatMessageItemComponent implements OnDestroy {
   readonly embedRemoved = output<ChatMessageEmbedRemoveEvent>();
 
   readonly emojiShortcuts = this.customEmoji.shortcutEntries;
-  readonly deletedMessageContent = DELETED_MESSAGE_CONTENT;
+  readonly deletedMessageContent = this.appI18n.instant('chat.message.deleted');
   readonly pluginEmbedToken = computed(() => parsePluginEmbedToken(this.message().content));
   readonly pluginEmbeds = computed(() => this.findPluginEmbeds(this.pluginEmbedToken()));
   readonly missingPluginEmbed = computed(() => this.resolveMissingPluginEmbed());
@@ -252,16 +251,10 @@ export class ChatMessageItemComponent implements OnDestroy {
     return this.attachmentsSvc.getForMessage(this.message().id).map((attachment) => this.buildAttachmentViewModel(attachment));
   });
   readonly imageAttachments = computed(() =>
-    dedupeImageAttachmentsForDisplay(
-      this.attachmentViewModels().filter((attachment) => isImageAttachment(attachment))
-    )
-  );
-  readonly displayableImages = computed(() =>
-    this.imageAttachments().filter((attachment) => isInlineDisplayableImage(attachment))
-  );
-  readonly nonImageAttachments = computed(() =>
-    this.attachmentViewModels().filter((attachment) => !attachment.isImage)
+    dedupeImageAttachmentsForDisplay(this.attachmentViewModels().filter((attachment) => isImageAttachment(attachment)))
   );
+  readonly displayableImages = computed(() => this.imageAttachments().filter((attachment) => isInlineDisplayableImage(attachment)));
+  readonly nonImageAttachments = computed(() => this.attachmentViewModels().filter((attachment) => !attachment.isImage));
   readonly imageGridLayout = computed(() => buildChatMessageImageGridLayout(this.imageAttachments().length));
   private readonly hydrateMessageImages = effect(() => {
     const messageId = this.message().id;
@@ -315,7 +308,8 @@ export class ChatMessageItemComponent implements OnDestroy {
 
     const payload = parseEmbedPayload(token.payloadText);
 
-    return this.pluginUi.embedRecords()
+    return this.pluginUi
+      .embedRecords()
       .filter((record) => record.contribution.embedType === token.embedType)
       .map((record) => ({
         ...record,
@@ -330,11 +324,12 @@ export class ChatMessageItemComponent implements OnDestroy {
       return null;
     }
 
-    const missingRequirement = this.pluginRequirements.missingRequiredRequirements()
-      .find((requirement) => requirement.pluginId === token.embedType || requirement.manifest?.id === token.embedType)
-      ?? this.pluginRequirements.missingRequiredRequirements()
-        .find((requirement) => requirement.manifest?.capabilities?.includes('ui.embeds'))
-      ?? this.pluginRequirements.missingRequiredRequirements()[0];
+    const missingRequirement =
+      this.pluginRequirements
+        .missingRequiredRequirements()
+        .find((requirement) => requirement.pluginId === token.embedType || requirement.manifest?.id === token.embedType) ??
+      this.pluginRequirements.missingRequiredRequirements().find((requirement) => requirement.manifest?.capabilities?.includes('ui.embeds')) ??
+      this.pluginRequirements.missingRequiredRequirements()[0];
     const pluginName = missingRequirement?.manifest?.title ?? missingRequirement?.pluginId ?? pluginNameFromEmbedType(token.embedType);
 
     return {
@@ -613,7 +608,7 @@ export class ChatMessageItemComponent implements OnDestroy {
       return time;
 
     if (dayDiff === 1)
-      return 'Yesterday ' + time;
+      return this.appI18n.instant('chat.message.timestampYesterday', { time });
 
     if (dayDiff < 7) {
       return date.toLocaleDateString([], { weekday: 'short' }) + ' ' + time;
@@ -630,8 +625,7 @@ export class ChatMessageItemComponent implements OnDestroy {
   }
 
   requiresRichMarkdown(content: string): boolean {
-    return isSingleUnicodeEmojiOnlyMessage(content)
-      || RICH_MARKDOWN_PATTERNS.some((pattern) => pattern.test(content));
+    return isSingleUnicodeEmojiOnlyMessage(content) || RICH_MARKDOWN_PATTERNS.some((pattern) => pattern.test(content));
   }
 
   formatMessagePreview(content: string): string {
@@ -639,44 +633,44 @@ export class ChatMessageItemComponent implements OnDestroy {
   }
 
   formatBytes(bytes: number): string {
-    const units = [
-      'B',
-      'KB',
-      'MB',
-      'GB'
+    const unitKeys = [
+      'chat.units.b',
+      'chat.units.kb',
+      'chat.units.mb',
+      'chat.units.gb'
     ];
 
     let size = bytes;
     let unitIndex = 0;
 
-    while (size >= 1024 && unitIndex < units.length - 1) {
+    while (size >= 1024 && unitIndex < unitKeys.length - 1) {
       size /= 1024;
       unitIndex++;
     }
 
-    return `${size.toFixed(1)} ${units[unitIndex]}`;
+    return `${size.toFixed(1)} ${this.appI18n.instant(unitKeys[unitIndex])}`;
   }
 
   formatSpeed(bytesPerSecond?: number): string {
     if (!bytesPerSecond || bytesPerSecond <= 0)
-      return '0 B/s';
+      return `0 ${this.appI18n.instant('chat.units.bPerSec')}`;
 
-    const units = [
-      'B/s',
-      'KB/s',
-      'MB/s',
-      'GB/s'
+    const unitKeys = [
+      'chat.units.bPerSec',
+      'chat.units.kbPerSec',
+      'chat.units.mbPerSec',
+      'chat.units.gbPerSec'
     ];
 
     let speed = bytesPerSecond;
     let unitIndex = 0;
 
-    while (speed >= 1024 && unitIndex < units.length - 1) {
+    while (speed >= 1024 && unitIndex < unitKeys.length - 1) {
       speed /= 1024;
       unitIndex++;
     }
 
-    return `${speed.toFixed(speed < 100 ? 2 : 1)} ${units[unitIndex]}`;
+    return `${speed.toFixed(speed < 100 ? 2 : 1)} ${this.appI18n.instant(unitKeys[unitIndex])}`;
   }
 
   isVideoAttachment(attachment: Attachment): boolean {
@@ -696,20 +690,20 @@ export class ChatMessageItemComponent implements OnDestroy {
       return attachment.requestError;
 
     if (this.requiresMediaDownloadAcceptance(attachment)) {
-      return this.isVideoAttachment(attachment)
-        ? 'Large video. Accept the download to watch it in chat.'
-        : 'Large audio file. Accept the download to play it in chat.';
+      return this.isVideoAttachment(attachment) ? this.appI18n.instant('chat.message.largeVideo') : this.appI18n.instant('chat.message.largeAudio');
     }
 
-    return this.isVideoAttachment(attachment) ? 'Waiting for video source...' : 'Waiting for audio source...';
+    return this.isVideoAttachment(attachment)
+      ? this.appI18n.instant('chat.message.waitingForVideo')
+      : this.appI18n.instant('chat.message.waitingForAudio');
   }
 
   getMediaAttachmentActionLabel(attachment: Attachment): string {
     if (this.requiresMediaDownloadAcceptance(attachment)) {
-      return attachment.requestError ? 'Retry download' : 'Accept download';
+      return attachment.requestError ? this.appI18n.instant('chat.message.retryDownload') : this.appI18n.instant('chat.message.acceptDownload');
     }
 
-    return attachment.requestError ? 'Retry' : 'Request';
+    return attachment.requestError ? this.appI18n.instant('chat.message.retry') : this.appI18n.instant('chat.message.request');
   }
 
   isUploader(attachment: Attachment): boolean {
@@ -793,6 +787,14 @@ export class ChatMessageItemComponent implements OnDestroy {
     return formatChatMessageImageOverflowLabel(hiddenCount);
   }
 
+  viewAllImagesAriaLabel(count: number): string {
+    return this.appI18n.instant('chat.message.viewAllImages', { count });
+  }
+
+  attachmentRequestLabel(hasError: boolean): string {
+    return hasError ? this.appI18n.instant('chat.message.retry') : this.appI18n.instant('chat.message.request');
+  }
+
   openImageContextMenu(event: MouseEvent, attachment: Attachment): void {
     event.preventDefault();
     event.stopPropagation();
@@ -835,13 +837,13 @@ export class ChatMessageItemComponent implements OnDestroy {
     const isRawAudio = this.isAudioAttachment(attachment);
     const isRawPlayableMedia = isRawVideo || isRawAudio;
     const isNativePlayableMedia = this.canPlayMediaType(attachment.mime);
-    const shouldUseDefaultFileInterface = isRawPlayableMedia &&
-      (!isNativePlayableMedia ||
-        (this.platform.isBrowser && attachment.size > MAX_BROWSER_INLINE_MEDIA_SIZE_BYTES));
+    const shouldUseDefaultFileInterface =
+      isRawPlayableMedia && (!isNativePlayableMedia || (this.platform.isBrowser && attachment.size > MAX_BROWSER_INLINE_MEDIA_SIZE_BYTES));
     const isVideo = isRawVideo && !shouldUseDefaultFileInterface;
     const isAudio = isRawAudio && !shouldUseDefaultFileInterface;
     const requiresMediaDownloadAcceptance = (isVideo || isAudio) && attachment.size > MAX_AUTO_SAVE_SIZE_BYTES;
-    const canUseExperimentalPlayer = this.experimentalMedia.vlcJsPlaybackEnabled() &&
+    const canUseExperimentalPlayer =
+      this.experimentalMedia.vlcJsPlaybackEnabled() &&
       shouldUseDefaultFileInterface &&
       isRawPlayableMedia &&
       attachment.available &&
@@ -857,20 +859,20 @@ export class ChatMessageItemComponent implements OnDestroy {
       isVideo,
       mediaActionLabel: requiresMediaDownloadAcceptance
         ? attachment.requestError
-          ? 'Retry download'
-          : 'Accept download'
+          ? this.appI18n.instant('chat.message.retryDownload')
+          : this.appI18n.instant('chat.message.acceptDownload')
         : attachment.requestError
-          ? 'Retry'
-          : 'Request',
+          ? this.appI18n.instant('chat.message.retry')
+          : this.appI18n.instant('chat.message.request'),
       mediaStatusText: attachment.requestError
         ? attachment.requestError
         : requiresMediaDownloadAcceptance
           ? isVideo
-            ? 'Large video. Accept the download to watch it in chat.'
-            : 'Large audio file. Accept the download to play it in chat.'
+            ? this.appI18n.instant('chat.message.largeVideo')
+            : this.appI18n.instant('chat.message.largeAudio')
           : isVideo
-            ? 'Waiting for video source...'
-            : 'Waiting for audio source...',
+            ? this.appI18n.instant('chat.message.waitingForVideo')
+            : this.appI18n.instant('chat.message.waitingForAudio'),
       progressPercent: attachment.size > 0 ? ((attachment.receivedBytes || 0) * 100) / attachment.size : 0
     };
   }
@@ -919,7 +921,8 @@ function parsePluginEmbedToken(content: string): PluginEmbedToken | null {
 function pluginNameFromEmbedType(embedType: string): string {
   const parts = embedType.split(/[.:_-]/).filter(Boolean);
   const pluginParts = parts.length > 2 ? parts.slice(0, -1) : parts;
-  const label = pluginParts.map((part) => part.charAt(0).toUpperCase() + part.slice(1))
+  const label = pluginParts
+    .map((part) => part.charAt(0).toUpperCase() + part.slice(1))
     .join(' ')
     .trim();
 

toju-app/src/app/domains/chat/feature/chat-messages/components/message-item/chat-message-markdown/chat-message-markdown.component.html

@@ -29,7 +29,7 @@
     >
       <img
         [appChatImageProxyFallback]="node.url"
-        [alt]="getCustomEmojiAlt(node.alt) || 'Shared image'"
+        [alt]="getCustomEmojiAlt(node.alt) || ('chat.markdown.sharedImage' | translate)"
         class="block object-contain"
         [class.chat-custom-emoji-image]="isCustomEmojiDataUrl(node.url)"
         [style.height]="isCustomEmojiDataUrl(node.url) ? (largeCustomEmoji() ? '46px' : '1.2em') : null"
@@ -50,7 +50,7 @@
         <span
           class="pointer-events-none absolute bottom-2 left-2 rounded-full bg-black/70 px-2 py-0.5 text-[10px] font-semibold uppercase tracking-[0.24em] text-white/90 backdrop-blur-sm"
         >
-          KLIPY
+          {{ 'chat.markdown.klipy' | translate }}
         </span>
       }
     </div>

toju-app/src/app/domains/chat/feature/chat-messages/components/message-item/chat-message-markdown/chat-message-markdown.component.ts

@@ -16,6 +16,7 @@ import {
   isSpotifyUrl,
   isYoutubeUrl
 } from '../../../../../domain/rules/link-embed.rules';
+import { APP_TRANSLATE_IMPORTS } from '../../../../../../../core/i18n';
 import { ChatImageProxyFallbackDirective } from '../../../../chat-image-proxy-fallback.directive';
 import { ChatSoundcloudEmbedComponent } from '../chat-soundcloud-embed/chat-soundcloud-embed.component';
 import { ChatSpotifyEmbedComponent } from '../chat-spotify-embed/chat-spotify-embed.component';
@@ -50,8 +51,7 @@ const PRISM_LANGUAGE_ALIASES: Record<string, string> = {
 };
 const KLIPY_MEDIA_URL_PATTERN = /^(?:https?:)?\/\/(?:[^/]+\.)?klipy\.com/i;
 const MERMAID_LINE_BREAK_PATTERN = /\r\n?/g;
-const REMARK_PROCESSOR = unified()
-  .use(remarkParse)
+const REMARK_PROCESSOR = unified().use(remarkParse)
   .use(remarkGfm)
   .use(remarkBreaks);
 
@@ -65,7 +65,8 @@ const REMARK_PROCESSOR = unified()
     ChatImageProxyFallbackDirective,
     ChatSpotifyEmbedComponent,
     ChatSoundcloudEmbedComponent,
-    ChatYoutubeEmbedComponent
+    ChatYoutubeEmbedComponent,
+    ...APP_TRANSLATE_IMPORTS
   ],
   templateUrl: './chat-message-markdown.component.html'
 })

toju-app/src/app/domains/chat/feature/chat-messages/components/message-item/chat-soundcloud-embed/chat-soundcloud-embed.component.html

@@ -5,7 +5,7 @@
       [style.height.px]="embedHeight()"
       class="w-full border-0"
       loading="lazy"
-      title="SoundCloud player"
+      [title]="'chat.embeds.soundcloudPlayer' | translate"
     ></iframe>
   </div>
 }

toju-app/src/app/domains/chat/feature/chat-messages/components/message-item/chat-soundcloud-embed/chat-soundcloud-embed.component.ts

@@ -5,11 +5,13 @@ import {
   input
 } from '@angular/core';
 import { DomSanitizer } from '@angular/platform-browser';
+import { APP_TRANSLATE_IMPORTS } from '../../../../../../../core/i18n';
 import { extractSoundcloudResource } from '../../../../../domain/rules/link-embed.rules';
 
 @Component({
   selector: 'app-chat-soundcloud-embed',
   standalone: true,
+  imports: [...APP_TRANSLATE_IMPORTS],
   templateUrl: './chat-soundcloud-embed.component.html'
 })
 export class ChatSoundcloudEmbedComponent {
@@ -17,7 +19,7 @@ export class ChatSoundcloudEmbedComponent {
 
   readonly resource = computed(() => extractSoundcloudResource(this.url()));
 
-  readonly embedHeight = computed(() => this.resource()?.type === 'playlist' ? 352 : 166);
+  readonly embedHeight = computed(() => (this.resource()?.type === 'playlist' ? 352 : 166));
 
   readonly embedUrl = computed(() => {
     const resource = this.resource();

toju-app/src/app/domains/chat/feature/chat-messages/components/message-item/chat-spotify-embed/chat-spotify-embed.component.html

@@ -5,7 +5,7 @@
       [style.height.px]="embedHeight()"
       class="w-full border-0"
       loading="lazy"
-      title="Spotify player"
+      [title]="'chat.embeds.spotifyPlayer' | translate"
       allowfullscreen
     ></iframe>
   </div>

toju-app/src/app/domains/chat/feature/chat-messages/components/message-item/chat-spotify-embed/chat-spotify-embed.component.ts

@@ -5,11 +5,13 @@ import {
   input
 } from '@angular/core';
 import { DomSanitizer } from '@angular/platform-browser';
+import { APP_TRANSLATE_IMPORTS } from '../../../../../../../core/i18n';
 import { extractSpotifyResource } from '../../../../../domain/rules/link-embed.rules';
 
 @Component({
   selector: 'app-chat-spotify-embed',
   standalone: true,
+  imports: [...APP_TRANSLATE_IMPORTS],
   templateUrl: './chat-spotify-embed.component.html'
 })
 export class ChatSpotifyEmbedComponent {

toju-app/src/app/domains/chat/feature/chat-messages/components/message-item/chat-youtube-embed/chat-youtube-embed.component.ts

@@ -17,9 +17,7 @@ function resolveYoutubeClientOrigin(): string {
 
   const origin = window.location.origin;
 
-  return /^https?:\/\//.test(origin)
-    ? origin
-    : YOUTUBE_EMBED_FALLBACK_ORIGIN;
+  return /^https?:\/\//.test(origin) ? origin : YOUTUBE_EMBED_FALLBACK_ORIGIN;
 }
 
 @Component({
@@ -44,9 +42,7 @@ export class ChatYoutubeEmbedComponent {
     embedUrl.searchParams.set('origin', clientOrigin);
     embedUrl.searchParams.set('widget_referrer', clientOrigin);
 
-    return this.sanitizer.bypassSecurityTrustResourceUrl(
-      embedUrl.toString()
-    );
+    return this.sanitizer.bypassSecurityTrustResourceUrl(embedUrl.toString());
   });
 
   private readonly sanitizer = inject(DomSanitizer);

toju-app/src/app/domains/chat/feature/chat-messages/components/message-list/chat-message-list.component.html

@@ -8,13 +8,15 @@
   @if (syncing() && !loading()) {
     <div class="flex items-center justify-center gap-2 py-1.5 text-xs text-muted-foreground">
       <div class="h-3 w-3 animate-spin rounded-full border-b-2 border-primary"></div>
-      <span>Syncing messages...</span>
+      <span>{{ 'chat.messageList.syncing' | translate }}</span>
     </div>
   }
 
   @if (refreshLoading()) {
     <div class="pointer-events-none sticky top-0 z-10 flex justify-center py-1">
-      <div class="rounded-full border border-border bg-background/85 px-2.5 py-1 text-[11px] text-muted-foreground shadow-sm">Loading...</div>
+      <div class="rounded-full border border-border bg-background/85 px-2.5 py-1 text-[11px] text-muted-foreground shadow-sm">
+        {{ 'chat.messageList.loading' | translate }}
+      </div>
     </div>
   }
 
@@ -24,8 +26,8 @@
     </div>
   } @else if (messages().length === 0) {
     <div class="flex h-full flex-col items-center justify-center text-muted-foreground">
-      <p class="text-lg">No messages yet</p>
-      <p class="text-sm">Be the first to say something!</p>
+      <p class="text-lg">{{ 'chat.messageList.emptyTitle' | translate }}</p>
+      <p class="text-sm">{{ 'chat.messageList.emptySubtitle' | translate }}</p>
     </div>
   } @else {
     <div
@@ -42,7 +44,7 @@
               (click)="loadMore()"
               class="rounded-md px-3 py-1 text-xs text-muted-foreground transition-colors hover:bg-secondary hover:text-foreground"
             >
-              Load older messages
+              {{ 'chat.messageList.loadOlder' | translate }}
             </button>
           }
         </div>
@@ -90,13 +92,13 @@
         appThemeNode="chatNewMessagesBar"
         class="pointer-events-auto flex items-center gap-3 rounded-lg border border-border bg-card px-3 py-2 shadow"
       >
-        <span class="text-sm text-muted-foreground">New messages</span>
+        <span class="text-sm text-muted-foreground">{{ 'chat.messageList.newMessages' | translate }}</span>
         <button
           type="button"
           (click)="readLatest()"
           class="rounded bg-primary px-2 py-1 text-sm text-primary-foreground hover:bg-primary/90"
         >
-          Read latest
+          {{ 'chat.messageList.readLatest' | translate }}
         </button>
       </div>
     </div>

toju-app/src/app/domains/chat/feature/chat-messages/components/message-list/chat-message-list.component.ts

@@ -34,6 +34,7 @@ import {
   ChatMessageReplyEvent
 } from '../../models/chat-messages.model';
 import { selectAllUsers } from '../../../../../../store/users/users.selectors';
+import { APP_TRANSLATE_IMPORTS } from '../../../../../../core/i18n';
 import { ThemeNodeDirective } from '../../../../../theme';
 import { ChatMessageItemComponent } from '../message-item/chat-message-item.component';
 
@@ -53,7 +54,8 @@ declare global {
   imports: [
     CommonModule,
     ChatMessageItemComponent,
-    ThemeNodeDirective
+    ThemeNodeDirective,
+    ...APP_TRANSLATE_IMPORTS
   ],
   templateUrl: './chat-message-list.component.html',
   changeDetection: ChangeDetectionStrategy.OnPush,
@@ -378,10 +380,7 @@ export class ChatMessageListComponent implements AfterViewChecked, OnDestroy {
 
     if (element.scrollTop < 150 && !this.loadingMore()) {
       const canFetchOlderFromDb =
-        !this.hasMoreMessages()
-        && !this.conversationExhausted()
-        && !this.loadingOlder()
-        && this.channelMessages().length > 0;
+        !this.hasMoreMessages() && !this.conversationExhausted() && !this.loadingOlder() && this.channelMessages().length > 0;
 
       if (this.hasMoreMessages() || canFetchOlderFromDb) {
         this.loadMore();

toju-app/src/app/domains/chat/feature/chat-messages/components/message-overlays/chat-message-overlays.component.html

@@ -2,7 +2,7 @@
 @if (galleryAttachments()) {
   <app-modal-backdrop
     [zIndex]="100"
-    ariaLabel="Close image gallery"
+    [ariaLabel]="'chat.overlays.closeGalleryAria' | translate"
     (dismissed)="closeGallery()"
   />
   <div class="pointer-events-none fixed inset-0 z-[101] flex items-center justify-center p-4">
@@ -12,15 +12,17 @@
     >
       <div class="flex items-center justify-between border-b border-border px-4 py-3">
         <div>
-          <h2 class="text-sm font-semibold text-foreground">View images</h2>
-          <p class="text-xs text-muted-foreground">{{ galleryAttachments()!.length }} images</p>
+          <h2 class="text-sm font-semibold text-foreground">{{ 'chat.overlays.viewImages' | translate }}</h2>
+          <p class="text-xs text-muted-foreground">
+            {{ 'chat.overlays.imageCount' | translate: { count: galleryAttachments()!.length } }}
+          </p>
         </div>
         <button
           type="button"
           (click)="closeGallery()"
           class="grid h-8 w-8 place-items-center rounded-md text-muted-foreground transition-colors hover:bg-secondary hover:text-foreground"
-          title="Close"
-          aria-label="Close image gallery"
+          [title]="'chat.overlays.close' | translate"
+          [attr.aria-label]="'chat.overlays.closeGalleryAria' | translate"
         >
           <ng-icon
             name="lucideX"
@@ -34,7 +36,7 @@
             <button
               type="button"
               class="group/gallery relative aspect-square overflow-hidden rounded-md bg-secondary/40"
-              [attr.aria-label]="'Open ' + attachment.filename"
+              [attr.aria-label]="openImageAriaLabel(attachment.filename)"
               (click)="openGalleryImage(attachment)"
               (contextmenu)="openImageContextMenu($event, attachment)"
             >
@@ -55,7 +57,7 @@
 @if (lightboxAttachment()) {
   <app-modal-backdrop
     [zIndex]="109"
-    ariaLabel="Close image preview"
+    [ariaLabel]="'chat.overlays.closePreviewAria' | translate"
     (dismissed)="closeLightbox()"
   />
   <div class="pointer-events-none fixed inset-0 z-[110] flex items-center justify-center p-4">
@@ -70,8 +72,8 @@
           type="button"
           (click)="showPreviousLightboxImage()"
           class="lightbox-chrome absolute left-0 top-1/2 z-10 grid h-10 w-10 -translate-x-1/2 -translate-y-1/2 place-items-center rounded-full bg-black/60 text-white backdrop-blur-sm transition-colors hover:bg-black/80"
-          title="Previous image"
-          aria-label="Previous image"
+          [title]="'chat.overlays.previousImage' | translate"
+          [attr.aria-label]="'chat.overlays.previousImage' | translate"
         >
           <ng-icon
             name="lucideChevronLeft"
@@ -92,8 +94,8 @@
           type="button"
           (click)="showNextLightboxImage()"
           class="lightbox-chrome absolute right-0 top-1/2 z-10 grid h-10 w-10 -translate-y-1/2 translate-x-1/2 place-items-center rounded-full bg-black/60 text-white backdrop-blur-sm transition-colors hover:bg-black/80"
-          title="Next image"
-          aria-label="Next image"
+          [title]="'chat.overlays.nextImage' | translate"
+          [attr.aria-label]="'chat.overlays.nextImage' | translate"
         >
           <ng-icon
             name="lucideChevronRight"
@@ -107,7 +109,7 @@
           type="button"
           (click)="downloadAttachment(lightboxAttachment()!)"
           class="grid h-9 w-9 place-items-center rounded-lg bg-black/60 text-white backdrop-blur-sm transition-colors hover:bg-black/80"
-          title="Download"
+          [title]="'chat.overlays.download' | translate"
         >
           <ng-icon
             name="lucideDownload"
@@ -118,8 +120,8 @@
           type="button"
           (click)="closeLightbox()"
           class="grid h-9 w-9 place-items-center rounded-lg bg-black/60 text-white backdrop-blur-sm transition-colors hover:bg-black/80"
-          title="Close"
-          aria-label="Close image preview"
+          [title]="'chat.overlays.close' | translate"
+          [attr.aria-label]="'chat.overlays.closePreviewAria' | translate"
         >
           <ng-icon
             name="lucideX"
@@ -156,7 +158,7 @@
         name="lucideCopy"
         class="h-4 w-4 text-muted-foreground"
       />
-      Copy Image
+      {{ 'chat.overlays.copyImage' | translate }}
     </button>
     <button
       (click)="downloadAttachment(imageContextMenu()!.attachment); closeImageContextMenu()"
@@ -166,7 +168,7 @@
         name="lucideDownload"
         class="h-4 w-4 text-muted-foreground"
       />
-      Save Image
+      {{ 'chat.overlays.saveImage' | translate }}
     </button>
   </app-context-menu>
 }

toju-app/src/app/domains/chat/feature/chat-messages/components/message-overlays/chat-message-overlays.component.ts

@@ -5,6 +5,7 @@ import {
   OnDestroy,
   computed,
   effect,
+  inject,
   input,
   output,
   signal
@@ -19,6 +20,7 @@ import {
 } from '@ng-icons/lucide';
 import { Attachment } from '../../../../../attachment';
 import { canStepLightbox } from '../../../../domain/rules/chat-message-lightbox.rules';
+import { AppI18nService, APP_TRANSLATE_IMPORTS } from '../../../../../../core/i18n';
 import { ContextMenuComponent, ModalBackdropComponent } from '../../../../../../shared';
 import {
   ChatLightboxState,
@@ -34,7 +36,8 @@ import {
     CommonModule,
     NgIcon,
     ContextMenuComponent,
-    ModalBackdropComponent
+    ModalBackdropComponent,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [
     provideIcons({
@@ -106,6 +109,7 @@ export class ChatMessageOverlaysComponent implements OnDestroy {
     return `${state.index + 1} / ${state.attachments.length}`;
   });
 
+  private readonly appI18n = inject(AppI18nService);
   private readonly LIGHTBOX_CONTROLS_IDLE_MS = 2200;
 
   private lightboxControlsHideTimer: ReturnType<typeof setTimeout> | null = null;
@@ -219,22 +223,26 @@ export class ChatMessageOverlaysComponent implements OnDestroy {
   }
 
   formatBytes(bytes: number): string {
-    const units = [
-      'B',
-      'KB',
-      'MB',
-      'GB'
+    const unitKeys = [
+      'chat.units.b',
+      'chat.units.kb',
+      'chat.units.mb',
+      'chat.units.gb'
     ];
 
     let size = bytes;
     let unitIndex = 0;
 
-    while (size >= 1024 && unitIndex < units.length - 1) {
+    while (size >= 1024 && unitIndex < unitKeys.length - 1) {
       size /= 1024;
       unitIndex++;
     }
 
-    return `${size.toFixed(1)} ${units[unitIndex]}`;
+    return `${size.toFixed(1)} ${this.appI18n.instant(unitKeys[unitIndex])}`;
+  }
+
+  openImageAriaLabel(filename: string): string {
+    return this.appI18n.instant('chat.overlays.openImage', { filename });
   }
 
   ngOnDestroy(): void {

toju-app/src/app/domains/chat/feature/chat-messages/services/chat-markdown.service.ts

@@ -19,13 +19,9 @@ export class ChatMarkdownService {
     const selected = content.slice(start, end);
     const after = content.slice(end);
     const newText = `${before}${token}${selected}${token}${after}`;
-    const cursor = selected.length === 0
-      ? before.length + token.length
-      : before.length + token.length + selected.length + token.length;
+    const cursor = selected.length === 0 ? before.length + token.length : before.length + token.length + selected.length + token.length;
 
-    return { text: newText,
-      selectionStart: cursor,
-      selectionEnd: cursor };
+    return { text: newText, selectionStart: cursor, selectionEnd: cursor };
   }
 
   applyPrefix(content: string, selection: SelectionRange, prefix: string): ComposeResult {
@@ -33,14 +29,12 @@ export class ChatMarkdownService {
     const before = content.slice(0, start);
     const selected = content.slice(start, end);
     const after = content.slice(end);
-    const lines = selected.split('\n').map(line => `${prefix}${line}`);
+    const lines = selected.split('\n').map((line) => `${prefix}${line}`);
     const newSelected = lines.join('\n');
     const text = `${before}${newSelected}${after}`;
     const cursor = before.length + newSelected.length;
 
-    return { text,
-      selectionStart: cursor,
-      selectionEnd: cursor };
+    return { text, selectionStart: cursor, selectionEnd: cursor };
   }
 
   applyHeading(content: string, selection: SelectionRange, level: number): ComposeResult {
@@ -55,9 +49,7 @@ export class ChatMarkdownService {
     const text = `${before}${block}${after}`;
     const cursor = before.length + block.length - (needsTrailingNewline ? 1 : 0);
 
-    return { text,
-      selectionStart: cursor,
-      selectionEnd: cursor };
+    return { text, selectionStart: cursor, selectionEnd: cursor };
   }
 
   applyOrderedList(content: string, selection: SelectionRange): ComposeResult {
@@ -70,9 +62,7 @@ export class ChatMarkdownService {
     const text = `${before}${newSelected}${after}`;
     const cursor = before.length + newSelected.length;
 
-    return { text,
-      selectionStart: cursor,
-      selectionEnd: cursor };
+    return { text, selectionStart: cursor, selectionEnd: cursor };
   }
 
   applyCodeBlock(content: string, selection: SelectionRange): ComposeResult {
@@ -80,17 +70,11 @@ export class ChatMarkdownService {
     const before = content.slice(0, start);
     const selected = content.slice(start, end);
     const after = content.slice(end);
-    const fenced = selected.length === 0
-      ? '```\n\n```\n\n'
-      : `\`\`\`\n${selected}\n\`\`\`\n\n`;
+    const fenced = selected.length === 0 ? '```\n\n```\n\n' : `\`\`\`\n${selected}\n\`\`\`\n\n`;
     const text = `${before}${fenced}${after}`;
-    const cursor = selected.length === 0
-      ? before.length + 4
-      : before.length + fenced.length;
+    const cursor = selected.length === 0 ? before.length + 4 : before.length + fenced.length;
 
-    return { text,
-      selectionStart: cursor,
-      selectionEnd: cursor };
+    return { text, selectionStart: cursor, selectionEnd: cursor };
   }
 
   applyLink(content: string, selection: SelectionRange): ComposeResult {
@@ -100,13 +84,9 @@ export class ChatMarkdownService {
     const after = content.slice(end);
     const link = `[${selected}]()`;
     const text = `${before}${link}${after}`;
-    const cursor = selected.length === 0
-      ? before.length + 1
-      : before.length + 1 + selected.length + 2;
+    const cursor = selected.length === 0 ? before.length + 1 : before.length + 1 + selected.length + 2;
 
-    return { text,
-      selectionStart: cursor,
-      selectionEnd: cursor };
+    return { text, selectionStart: cursor, selectionEnd: cursor };
   }
 
   applyImage(content: string, selection: SelectionRange): ComposeResult {
@@ -116,13 +96,9 @@ export class ChatMarkdownService {
     const after = content.slice(end);
     const img = `![${selected}]()`;
     const text = `${before}${img}${after}`;
-    const cursor = selected.length === 0
-      ? before.length + 2
-      : before.length + 2 + selected.length + 2;
+    const cursor = selected.length === 0 ? before.length + 2 : before.length + 2 + selected.length + 2;
 
-    return { text,
-      selectionStart: cursor,
-      selectionEnd: cursor };
+    return { text, selectionStart: cursor, selectionEnd: cursor };
   }
 
   applyHorizontalRule(content: string, selection: SelectionRange): ComposeResult {
@@ -133,13 +109,11 @@ export class ChatMarkdownService {
     const text = `${before}${hr}${after}`;
     const cursor = before.length + hr.length;
 
-    return { text,
-      selectionStart: cursor,
-      selectionEnd: cursor };
+    return { text, selectionStart: cursor, selectionEnd: cursor };
   }
 
   appendImageMarkdown(content: string): string {
-    const imageUrlRegex = /(https?:\/\/[^\s)]+?\.(?:png|jpe?g|gif|webp|svg|bmp|tiff)(?:\?[^\s)]*)?)/ig;
+    const imageUrlRegex = /(https?:\/\/[^\s)]+?\.(?:png|jpe?g|gif|webp|svg|bmp|tiff)(?:\?[^\s)]*)?)/gi;
     const urls = new Set<string>();
 
     let match: RegExpExecArray | null;

toju-app/src/app/domains/chat/feature/klipy-gif-picker/klipy-gif-picker.component.html

@@ -1,16 +1,16 @@
 <div
   class="flex h-[min(70vh,42rem)] w-full flex-col overflow-hidden rounded-[1.65rem] border border-border/80 shadow-2xl ring-1 ring-white/5"
   role="dialog"
-  aria-label="KLIPY GIF picker"
+  [attr.aria-label]="'chat.gifPicker.ariaLabel' | translate"
   style="background: hsl(var(--background) / 0.85); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px)"
 >
   @if (!isMobile()) {
     <div class="flex items-start justify-between gap-4 border-b border-border/70 bg-secondary/15 px-5 py-4">
       <div>
-        <div class="text-[11px] font-semibold uppercase tracking-[0.28em] text-primary">KLIPY</div>
-        <h3 class="mt-1 text-lg font-semibold text-foreground">Choose a GIF</h3>
+        <div class="text-[11px] font-semibold uppercase tracking-[0.28em] text-primary">{{ 'chat.gifPicker.klipy' | translate }}</div>
+        <h3 class="mt-1 text-lg font-semibold text-foreground">{{ 'chat.gifPicker.chooseGif' | translate }}</h3>
         <p class="mt-1 text-sm text-muted-foreground">
-          {{ searchQuery.trim() ? 'Search results from KLIPY.' : 'Trending GIFs from KLIPY.' }}
+          {{ searchQuery.trim() ? ('chat.gifPicker.searchResults' | translate) : ('chat.gifPicker.trending' | translate) }}
         </p>
       </div>
 
@@ -18,7 +18,7 @@
         type="button"
         (click)="close()"
         class="inline-flex h-9 w-9 items-center justify-center rounded-full border border-border/70 bg-secondary/30 text-muted-foreground transition-colors hover:bg-secondary/80 hover:text-foreground"
-        aria-label="Close GIF picker"
+        [attr.aria-label]="'chat.gifPicker.closeAria' | translate"
       >
         <ng-icon
           name="lucideX"
@@ -39,7 +39,7 @@
         type="text"
         [ngModel]="searchQuery"
         (ngModelChange)="onSearchQueryChanged($event)"
-        [placeholder]="isMobile() ? 'Search KLIPY and add a gif to the chat' : 'Search KLIPY'"
+        [placeholder]="isMobile() ? ('chat.gifPicker.searchMobile' | translate) : ('chat.gifPicker.searchDesktop' | translate)"
         class="relative z-0 w-full rounded-xl border border-border/80 bg-background/70 px-10 py-3 text-sm text-foreground placeholder:text-muted-foreground shadow-sm backdrop-blur-sm focus:outline-none focus:ring-2 focus:ring-primary"
       />
     </label>
@@ -56,7 +56,7 @@
           (click)="retry()"
           class="rounded-lg bg-destructive px-3 py-1.5 text-xs font-medium text-destructive-foreground transition-colors hover:bg-destructive/90"
         >
-          Retry
+          {{ 'chat.gifPicker.retry' | translate }}
         </button>
       </div>
     }
@@ -64,7 +64,7 @@
     @if (loading() && results().length === 0) {
       <div class="flex h-full min-h-56 flex-col items-center justify-center gap-3 text-muted-foreground">
         <span class="h-6 w-6 animate-spin rounded-full border-2 border-primary/20 border-t-primary"></span>
-        <p class="text-sm">Loading GIFs from KLIPY...</p>
+        <p class="text-sm">{{ 'chat.gifPicker.loading' | translate }}</p>
       </div>
     } @else if (results().length === 0) {
       <div
@@ -77,8 +77,8 @@
           />
         </div>
         <div>
-          <p class="text-sm font-medium text-foreground">No GIFs found</p>
-          <p class="mt-1 text-sm">Try another search term or clear the search to browse trending GIFs.</p>
+          <p class="text-sm font-medium text-foreground">{{ 'chat.gifPicker.noGifsFound' | translate }}</p>
+          <p class="mt-1 text-sm">{{ 'chat.gifPicker.noGifsHint' | translate }}</p>
         </div>
       </div>
     } @else {
@@ -101,22 +101,22 @@
               <img
                 [appChatImageProxyFallback]="gif.previewUrl || gif.url"
                 [signalSource]="signalSource()"
-                [alt]="gif.title || 'KLIPY GIF'"
+                [alt]="gif.title || ('chat.gifPicker.klipyGif' | translate)"
                 class="h-full w-full object-contain p-1.5 transition-transform duration-200 group-hover:scale-[1.03]"
                 loading="lazy"
               />
               <span
                 class="pointer-events-none absolute bottom-2 left-2 rounded-full bg-black/70 px-2 py-0.5 text-[10px] font-semibold uppercase tracking-[0.24em] text-white/90 backdrop-blur-sm"
               >
-                KLIPY
+                {{ 'chat.gifPicker.klipy' | translate }}
               </span>
             </div>
             @if (!isMobile()) {
               <div class="px-3 py-2">
                 <p class="truncate text-xs font-medium text-foreground">
-                  {{ gif.title || 'KLIPY GIF' }}
+                  {{ gif.title || ('chat.gifPicker.klipyGif' | translate) }}
                 </p>
-                <p class="mt-1 text-[10px] uppercase tracking-[0.22em] text-muted-foreground">Click to select</p>
+                <p class="mt-1 text-[10px] uppercase tracking-[0.22em] text-muted-foreground">{{ 'chat.gifPicker.clickToSelect' | translate }}</p>
               </div>
             }
           </button>
@@ -130,7 +130,7 @@
             (click)="loadMore()"
             [disabled]="loading()"
             class="inline-flex h-10 w-10 items-center justify-center rounded-full border border-border/80 bg-background/60 text-muted-foreground transition-colors hover:bg-secondary hover:text-foreground disabled:cursor-not-allowed disabled:opacity-60"
-            [attr.aria-label]="loading() ? 'Loading more GIFs' : 'Load more GIFs'"
+            [attr.aria-label]="loading() ? ('chat.gifPicker.loadingMoreAria' | translate) : ('chat.gifPicker.loadMoreAria' | translate)"
           >
             @if (loading()) {
               <span class="h-4 w-4 animate-spin rounded-full border-2 border-primary/20 border-t-primary"></span>
@@ -148,7 +148,7 @@
 
   @if (!isMobile()) {
     <div class="flex items-center justify-between gap-4 border-t border-border/70 bg-secondary/10 px-5 py-4">
-      <p class="text-xs text-muted-foreground">Click a GIF to select it. Powered by KLIPY.</p>
+      <p class="text-xs text-muted-foreground">{{ 'chat.gifPicker.footer' | translate }}</p>
 
       @if (hasNext()) {
         <button
@@ -157,7 +157,7 @@
           [disabled]="loading()"
           class="rounded-full border border-border/80 bg-background/60 px-4 py-2 text-xs font-medium text-foreground transition-colors hover:bg-secondary disabled:cursor-not-allowed disabled:opacity-60"
         >
-          {{ loading() ? 'Loading...' : 'Load more' }}
+          {{ loading() ? ('chat.gifPicker.loadingMore' | translate) : ('chat.gifPicker.loadMore' | translate) }}
         </button>
       }
     </div>

toju-app/src/app/domains/chat/feature/klipy-gif-picker/klipy-gif-picker.component.ts

@@ -25,6 +25,7 @@ import {
 import { KlipyGif, KlipyService } from '../../application/services/klipy.service';
 import type { RoomSignalSourceInput } from '../../../server-directory';
 import { ChatImageProxyFallbackDirective } from '../chat-image-proxy-fallback.directive';
+import { AppI18nService, APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 import { ViewportService } from '../../../../core/platform';
 
 const KLIPY_CARD_MIN_WIDTH = 140;
@@ -40,7 +41,8 @@ const KLIPY_CARD_FALLBACK_SIZE = 160;
     CommonModule,
     FormsModule,
     NgIcon,
-    ChatImageProxyFallbackDirective
+    ChatImageProxyFallbackDirective,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [
     provideIcons({
@@ -62,6 +64,7 @@ export class KlipyGifPickerComponent implements OnInit, AfterViewInit, OnDestroy
 
   private readonly klipy = inject(KlipyService);
   private readonly viewport = inject(ViewportService);
+  private readonly appI18n = inject(AppI18nService);
   readonly isMobile = this.viewport.isMobile;
   private currentPage = 1;
   private searchTimer: ReturnType<typeof setTimeout> | null = null;
@@ -136,29 +139,19 @@ export class KlipyGifPickerComponent implements OnInit, AfterViewInit, OnDestroy
     this.errorMessage.set('');
 
     try {
-      const response = await firstValueFrom(
-        this.klipy.searchGifs(this.searchQuery, this.currentPage, undefined, this.signalSource())
-      );
+      const response = await firstValueFrom(this.klipy.searchGifs(this.searchQuery, this.currentPage, undefined, this.signalSource()));
 
       if (requestId !== this.requestId)
         return;
 
-      this.results.set(
-        reset
-          ? response.results
-          : this.mergeResults(this.results(), response.results)
-      );
+      this.results.set(reset ? response.results : this.mergeResults(this.results(), response.results));
 
       this.hasNext.set(response.hasNext);
     } catch (error) {
       if (requestId !== this.requestId)
         return;
 
-      this.errorMessage.set(
-        error instanceof Error
-          ? error.message
-          : 'Failed to load GIFs from KLIPY.'
-      );
+      this.errorMessage.set(error instanceof Error ? error.message : this.appI18n.instant('chat.gifPicker.loadFailed'));
 
       if (reset) {
         this.results.set([]);
@@ -202,17 +195,9 @@ export class KlipyGifPickerComponent implements OnInit, AfterViewInit, OnDestroy
       };
     }
 
-    const maxScale = Math.min(
-      KLIPY_CARD_MAX_WIDTH / gif.width,
-      KLIPY_CARD_MAX_HEIGHT / gif.height
-    );
-    const minScale = Math.max(
-      KLIPY_CARD_MIN_WIDTH / gif.width,
-      KLIPY_CARD_MIN_HEIGHT / gif.height
-    );
-    const scale = minScale <= maxScale
-      ? Math.min(maxScale, Math.max(minScale, 1))
-      : maxScale;
+    const maxScale = Math.min(KLIPY_CARD_MAX_WIDTH / gif.width, KLIPY_CARD_MAX_HEIGHT / gif.height);
+    const minScale = Math.max(KLIPY_CARD_MIN_WIDTH / gif.width, KLIPY_CARD_MIN_HEIGHT / gif.height);
+    const scale = minScale <= maxScale ? Math.min(maxScale, Math.max(minScale, 1)) : maxScale;
     const scaledWidth = Math.round(gif.width * scale);
     const scaledHeight = Math.round(gif.height * scale);
 

toju-app/src/app/domains/chat/feature/typing-indicator/typing-indicator.component.html

@@ -1,12 +1,7 @@
-@if (typingDisplay().length > 0) {
+@if (typingLabel()) {
   <div class="px-4 py-2 backdrop-blur-sm bg-background/60">
     <span class="inline-block px-3 py-1 rounded-full text-sm text-muted-foreground">
-      {{ typingDisplay().join(', ') }}
-      @if (typingOthersCount() > 0) {
-        and {{ typingOthersCount() }} others are typing...
-      } @else {
-        {{ typingDisplay().length === 1 ? 'is' : 'are' }} typing...
-      }
+      {{ typingLabel() }}
     </span>
   </div>
 }

toju-app/src/app/domains/chat/feature/typing-indicator/typing-indicator.component.ts

@@ -1,11 +1,13 @@
 /* eslint-disable @typescript-eslint/member-ordering, id-length, id-denylist, */
 import {
   Component,
+  computed,
   inject,
   signal,
   DestroyRef,
   effect
 } from '@angular/core';
+import { AppI18nService } from '../../../../core/i18n';
 import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
 import { Store } from '@ngrx/store';
 import { RealtimeSessionFacade } from '../../../../core/realtime';
@@ -36,8 +38,8 @@ interface TypingSignalingMessage {
   standalone: true,
   templateUrl: './typing-indicator.component.html',
   host: {
-    'class': 'block',
-    'style': 'background: linear-gradient(to bottom, transparent, hsl(var(--background)));'
+    class: 'block',
+    style: 'background: linear-gradient(to bottom, transparent, hsl(var(--background)));'
   }
 })
 export class TypingIndicatorComponent {
@@ -50,23 +52,44 @@ export class TypingIndicatorComponent {
 
   typingDisplay = signal<string[]>([]);
   typingOthersCount = signal<number>(0);
+  private readonly appI18n = inject(AppI18nService);
+
+  readonly typingLabel = computed(() => {
+    const names = this.typingDisplay();
+    const others = this.typingOthersCount();
+
+    if (names.length === 0) {
+      return '';
+    }
+
+    const namesText = names.join(', ');
+
+    if (others > 0) {
+      return this.appI18n.instant('chat.typing.andOthers', {
+        names: namesText,
+        count: others
+      });
+    }
+
+    if (names.length === 1) {
+      return this.appI18n.instant('chat.typing.one', { names: namesText });
+    }
+
+    return this.appI18n.instant('chat.typing.many', { names: namesText });
+  });
 
   constructor() {
     const webrtc = inject(RealtimeSessionFacade);
     const destroyRef = inject(DestroyRef);
     const typing$ = webrtc.onSignalingMessage.pipe(
-      filter((msg): msg is TypingSignalingMessage =>
-        msg?.type === 'user_typing' &&
-        typeof msg.displayName === 'string' &&
-        typeof msg.oderId === 'string' &&
-        typeof msg.serverId === 'string'
+      filter(
+        (msg): msg is TypingSignalingMessage =>
+          msg?.type === 'user_typing' && typeof msg.displayName === 'string' && typeof msg.oderId === 'string' && typeof msg.serverId === 'string'
       ),
       filter((msg) => msg.serverId === this.currentRoom()?.id),
       tap((msg) => {
         const now = Date.now();
-        const channelId = typeof msg.channelId === 'string' && msg.channelId.trim()
-          ? msg.channelId.trim()
-          : 'general';
+        const channelId = typeof msg.channelId === 'string' && msg.channelId.trim() ? msg.channelId.trim() : 'general';
         const typingKey = `${channelId}:${msg.oderId}`;
 
         if (msg.isTyping === false) {

toju-app/src/app/domains/chat/feature/user-list/user-list.component.html

@@ -1,7 +1,9 @@
 <!-- Header -->
 <div class="p-4 border-b border-border">
-  <h3 class="font-semibold text-foreground">Members</h3>
-  <p class="text-xs text-muted-foreground">{{ onlineUsers().length }} online · {{ voiceUsers().length }} in voice</p>
+  <h3 class="font-semibold text-foreground">{{ 'chat.userList.members' | translate }}</h3>
+  <p class="text-xs text-muted-foreground">
+    {{ 'chat.userList.onlineInVoice' | translate: { online: onlineUsers().length, inVoice: voiceUsers().length } }}
+  </p>
   @if (voiceUsers().length > 0) {
     <div class="mt-2 flex flex-wrap gap-2">
       @for (v of voiceUsers(); track v.id) {
@@ -62,7 +64,7 @@
             [class.text-red-500]="user.status === 'busy'"
             [class.text-muted-foreground]="user.status === 'offline'"
           >
-            {{ user.status === 'busy' ? 'Do Not Disturb' : (user.status | titlecase) }}
+            {{ statusLabel(user.status) | translate }}
           </span>
         }
       </div>
@@ -73,7 +75,7 @@
           type="button"
           class="grid h-7 w-7 place-items-center rounded-md text-muted-foreground transition-colors hover:bg-card hover:text-foreground"
           [class.hidden]="isCurrentUser(user)"
-          title="Message"
+          [title]="'chat.userList.message' | translate"
           (click)="$event.stopPropagation(); openDirectMessage(user)"
         >
           <ng-icon
@@ -127,13 +129,13 @@
                   name="lucideVolume2"
                   class="w-4 h-4"
                 />
-                <span>Unmute</span>
+                <span>{{ 'chat.userList.unmute' | translate }}</span>
               } @else {
                 <ng-icon
                   name="lucideVolumeX"
                   class="w-4 h-4"
                 />
-                <span>Mute</span>
+                <span>{{ 'chat.userList.mute' | translate }}</span>
               }
             </button>
           }
@@ -146,7 +148,7 @@
               name="lucideUserX"
               class="w-4 h-4"
             />
-            <span>Kick</span>
+            <span>{{ 'chat.userList.kick' | translate }}</span>
           </button>
           <button
             type="button"
@@ -157,7 +159,7 @@
               name="lucideBan"
               class="w-4 h-4"
             />
-            <span>Ban</span>
+            <span>{{ 'chat.userList.ban' | translate }}</span>
           </button>
         </div>
       }
@@ -165,35 +167,34 @@
   }
 
   @if (onlineUsers().length === 0) {
-    <div class="text-center py-8 text-muted-foreground text-sm">No users online</div>
+    <div class="text-center py-8 text-muted-foreground text-sm">{{ 'chat.userList.noUsersOnline' | translate }}</div>
   }
 </div>
 
 <!-- Ban Dialog -->
 @if (showBanDialog()) {
   <app-confirm-dialog
-    title="Ban User"
-    confirmLabel="Ban User"
+    [title]="'chat.userList.banUserTitle' | translate"
+    [confirmLabel]="'chat.userList.banUserConfirm' | translate"
     variant="danger"
     [widthClass]="'w-96 max-w-[90vw]'"
     (confirmed)="confirmBan()"
     (cancelled)="closeBanDialog()"
   >
     <p class="mb-4">
-      Are you sure you want to ban <span class="font-semibold text-foreground">{{ userToBan()?.displayName }}</span
-      >?
+      {{ 'chat.userList.banConfirmMessage' | translate: { name: userToBan()?.displayName } }}
     </p>
 
     <div class="mb-4">
       <label
         for="ban-reason-input"
         class="block text-sm font-medium text-foreground mb-1"
-        >Reason (optional)</label
+        >{{ 'chat.userList.banReasonLabel' | translate }}</label
       >
       <input
         type="text"
         [(ngModel)]="banReason"
-        placeholder="Enter ban reason..."
+        [placeholder]="'chat.userList.banReasonPlaceholder' | translate"
         id="ban-reason-input"
         class="w-full px-3 py-2 bg-secondary rounded border border-border text-foreground placeholder:text-muted-foreground focus:outline-none focus:ring-2 focus:ring-primary"
       />
@@ -203,18 +204,18 @@
       <label
         for="ban-duration-select"
         class="block text-sm font-medium text-foreground mb-1"
-        >Duration</label
+        >{{ 'chat.userList.banDurationLabel' | translate }}</label
       >
       <select
         [(ngModel)]="banDuration"
         id="ban-duration-select"
         class="w-full px-3 py-2 bg-secondary rounded border border-border text-foreground focus:outline-none focus:ring-2 focus:ring-primary"
       >
-        <option value="3600000">1 hour</option>
-        <option value="86400000">1 day</option>
-        <option value="604800000">1 week</option>
-        <option value="2592000000">30 days</option>
-        <option value="0">Permanent</option>
+        <option value="3600000">{{ 'chat.userList.banDuration1Hour' | translate }}</option>
+        <option value="86400000">{{ 'chat.userList.banDuration1Day' | translate }}</option>
+        <option value="604800000">{{ 'chat.userList.banDuration1Week' | translate }}</option>
+        <option value="2592000000">{{ 'chat.userList.banDuration30Days' | translate }}</option>
+        <option value="0">{{ 'chat.userList.banDurationPermanent' | translate }}</option>
       </select>
     </div>
   </app-confirm-dialog>

toju-app/src/app/domains/chat/feature/user-list/user-list.component.ts

@@ -32,6 +32,7 @@ import {
 } from '../../../../store/users/users.selectors';
 import { User } from '../../../../shared-kernel';
 import { UserAvatarComponent, ConfirmDialogComponent } from '../../../../shared';
+import { APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 import { DirectMessageService } from '../../../direct-message';
 
 @Component({
@@ -42,7 +43,8 @@ import { DirectMessageService } from '../../../direct-message';
     FormsModule,
     NgIcon,
     UserAvatarComponent,
-    ConfirmDialogComponent
+    ConfirmDialogComponent,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [
     provideIcons({
@@ -80,6 +82,19 @@ export class UserListComponent {
   banReason = '';
   banDuration = '86400000'; // Default 1 day
 
+  statusLabel(status: User['status']): string {
+    switch (status) {
+      case 'busy':
+        return 'chat.userList.statusBusy';
+      case 'away':
+        return 'chat.userList.statusAway';
+      case 'offline':
+        return 'chat.userList.statusOffline';
+      default:
+        return 'chat.userList.statusAway';
+    }
+  }
+
   /** Toggle the context menu for a specific user. */
   toggleUserMenu(userId: string): void {
     this.showUserMenu.update((current) => (current === userId ? null : userId));

toju-app/src/app/domains/custom-emoji/feature/custom-emoji-picker/custom-emoji-picker.component.html

@@ -23,8 +23,8 @@
       <button
         type="button"
         class="grid h-10 w-10 place-items-center rounded text-muted-foreground transition-colors hover:bg-secondary hover:text-foreground"
-        aria-label="Open emoji selector"
-        title="Open emoji selector"
+        aria-label="{{ 'emoji.picker.openAria' | translate }}"
+        title="{{ 'emoji.picker.openAria' | translate }}"
         (click)="openModal()"
       >
         <ng-icon
@@ -48,7 +48,7 @@
     >
       @if (!inline()) {
         <div class="mb-2 flex items-center justify-between gap-2">
-          <p class="text-sm font-semibold text-foreground">Emoji</p>
+          <p class="text-sm font-semibold text-foreground">{{ 'emoji.picker.title' | translate }}</p>
           @if (compact()) {
             <button
               type="button"
@@ -73,8 +73,8 @@
         <input
           type="search"
           class="w-full rounded-md border border-border bg-background py-2 pl-8 pr-3 text-sm text-foreground placeholder:text-muted-foreground focus:outline-none focus:ring-2 focus:ring-primary"
-          placeholder="Search emoji"
-          aria-label="Search emoji"
+          placeholder="{{ 'emoji.picker.searchPlaceholder' | translate }}"
+          aria-label="{{ 'emoji.picker.searchAria' | translate }}"
           [value]="searchQuery()"
           (input)="onSearchInput($event)"
         />
@@ -87,7 +87,7 @@
           name="lucideUpload"
           class="h-4 w-4"
         />
-        <span>{{ uploading() ? 'Uploading...' : 'Upload emoji' }}</span>
+        <span>{{ uploading() ? ('emoji.picker.uploading' | translate) : ('emoji.picker.upload' | translate) }}</span>
         <input
           type="file"
           class="hidden"
@@ -105,7 +105,7 @@
 
       @if (showEmptySearchState()) {
         <div class="mb-3 rounded-md border border-border/70 bg-secondary/20 px-3 py-4 text-center text-xs text-muted-foreground">
-          No emoji match your search.
+          {{ 'emoji.picker.emptySearch' | translate }}
         </div>
       }
 

toju-app/src/app/domains/custom-emoji/feature/custom-emoji-picker/custom-emoji-picker.component.spec.ts

@@ -8,6 +8,7 @@ import {
 } from '@angular/core';
 import { CustomEmoji } from '../../../../shared-kernel';
 import { CustomEmojiService } from '../../application/custom-emoji.service';
+import { initializeAppI18nForTests, provideAppI18nForTests } from '../../../../core/i18n/app-i18n.testing';
 import { CustomEmojiPickerComponent } from './custom-emoji-picker.component';
 
 const savedEmojis: CustomEmoji[] = [
@@ -67,6 +68,7 @@ describe('CustomEmojiPickerComponent', () => {
   ): CustomEmojiPickerComponent {
     const injector = Injector.create({
       providers: [
+        ...provideAppI18nForTests(),
         CustomEmojiPickerComponent,
         {
           provide: ChangeDetectionScheduler,
@@ -92,6 +94,7 @@ describe('CustomEmojiPickerComponent', () => {
         }
       ]
     });
+    initializeAppI18nForTests(injector);
 
     return runInInjectionContext(injector, () => injector.get(CustomEmojiPickerComponent));
   }

toju-app/src/app/domains/custom-emoji/feature/custom-emoji-picker/custom-emoji-picker.component.ts

@@ -21,6 +21,7 @@ import {
 } from '@ng-icons/lucide';
 import { CustomEmoji, EmojiShortcutEntry } from '../../../../shared-kernel';
 import { CustomEmojiService } from '../../application/custom-emoji.service';
+import { APP_TRANSLATE_IMPORTS, AppI18nService } from '../../../../core/i18n';
 import {
   CUSTOM_EMOJI_ACCEPT_ATTRIBUTE,
   UNICODE_EMOJI_PICKER_ENTRIES,
@@ -33,12 +34,13 @@ import {
 @Component({
   selector: 'app-custom-emoji-picker',
   standalone: true,
-  imports: [CommonModule, NgIcon],
+  imports: [CommonModule, NgIcon, ...APP_TRANSLATE_IMPORTS],
   viewProviders: [provideIcons({ lucidePlus, lucideSearch, lucideSmile, lucideUpload, lucideX })],
   templateUrl: './custom-emoji-picker.component.html'
 })
 export class CustomEmojiPickerComponent {
   private readonly customEmoji = inject(CustomEmojiService);
+  private readonly appI18n = inject(AppI18nService);
   private readonly host = inject<ElementRef<HTMLElement>>(ElementRef);
 
   readonly currentUserId = input<string | null>(null);
@@ -154,7 +156,7 @@ export class CustomEmojiPickerComponent {
 
       this.selectCustom(emoji);
     } catch (error) {
-      this.uploadError.set(error instanceof Error ? error.message : 'Unable to upload emoji.');
+      this.uploadError.set(error instanceof Error ? error.message : this.appI18n.instant('emoji.picker.uploadFailed'));
     } finally {
       this.uploading.set(false);
     }

toju-app/src/app/domains/direct-call/application/services/direct-call.service.spec.ts

@@ -9,7 +9,8 @@ import { Router } from '@angular/router';
 import { Store } from '@ngrx/store';
 import { Subject } from 'rxjs';
 import { NotificationAudioService, AppSound } from '../../../../core/services/notification-audio.service';
-import { MobileCallSessionService, MobileNotificationsService } from '../../../../infrastructure/mobile';
+import { MobileCallSessionService, MobileMediaService, MobileNotificationsService } from '../../../../infrastructure/mobile';
+import { initializeAppI18nForTests, provideAppI18nForTests } from '../../../../core/i18n/app-i18n.testing';
 import { ViewportService } from '../../../../core/platform';
 import {
   VoiceActivityService,
@@ -564,9 +565,17 @@ function createServiceContext(options: ServiceContextOptions): ServiceContext {
           startActiveCall: vi.fn(async () => undefined),
           endActiveCall: vi.fn(async () => undefined)
         }
-      }
+      },
+      {
+        provide: MobileMediaService,
+        useValue: {
+          setSpeakerphoneEnabled: vi.fn(async () => undefined)
+        }
+      },
+      ...provideAppI18nForTests()
     ]
   });
+  initializeAppI18nForTests(injector);
 
   return {
     audio,

toju-app/src/app/domains/direct-call/application/services/direct-call.service.ts

@@ -8,6 +8,7 @@ import {
 } from '@angular/core';
 import { Router } from '@angular/router';
 import { Store } from '@ngrx/store';
+import { AppI18nService } from '../../../../core/i18n';
 import { NotificationAudioService, AppSound } from '../../../../core/services/notification-audio.service';
 import { ViewportService } from '../../../../core/platform';
 import {
@@ -48,6 +49,7 @@ export class DirectCallService {
   private readonly mobileNotifications = inject(MobileNotificationsService);
   private readonly mobileCallSession = inject(MobileCallSessionService);
   private readonly mobileMedia = inject(MobileMediaService);
+  private readonly i18n = inject(AppI18nService);
   private readonly currentUser = this.store.selectSignal(selectCurrentUser);
   private readonly users = this.store.selectSignal(selectAllUsers);
   private readonly sessionsSignal = signal<DirectCallSession[]>([]);
@@ -229,7 +231,7 @@ export class DirectCallService {
     const peerId = conversation.participants.find((participantId) => participantId !== meId);
 
     if (!peerId) {
-      throw new Error('Direct message conversation has no recipient to call.');
+      throw new Error(this.i18n.instant('call.errors.noRecipient'));
     }
 
     const peer = this.userForParticipant(peerId) ?? participantToUser(this.participantFromConversation(conversation, peerId));
@@ -992,7 +994,7 @@ export class DirectCallService {
       return remoteNames.join(', ');
     }
 
-    return 'Call in progress';
+    return this.i18n.instant('call.notifications.inProgress');
   }
 
   private uniqueParticipants(participants: DirectMessageParticipant[]): DirectMessageParticipant[] {
@@ -1026,7 +1028,7 @@ export class DirectCallService {
     const user = this.currentUser();
 
     if (!user) {
-      throw new Error('Cannot use calls without a current user.');
+      throw new Error(this.i18n.instant('call.errors.noCurrentUser'));
     }
 
     return user;

toju-app/src/app/domains/direct-call/feature/incoming-call-modal/incoming-call-modal.component.html

@@ -35,12 +35,12 @@
           </div>
         </div>
 
-        <p class="mt-5 text-[11px] font-semibold uppercase tracking-[0.18em] text-primary">Incoming call</p>
+        <p class="mt-5 text-[11px] font-semibold uppercase tracking-[0.18em] text-primary">{{ 'call.incoming.badge' | translate }}</p>
         <h2
           id="incoming-call-title"
           class="mt-2 text-xl font-semibold text-foreground"
         >
-          {{ callerName() }} is calling
+          {{ callerCallingLabel() }}
         </h2>
         <p class="mt-1 text-sm text-muted-foreground">{{ callKindLabel() }}</p>
 
@@ -54,7 +54,7 @@
               name="lucidePhoneOff"
               class="h-4 w-4"
             />
-            Decline
+            {{ 'call.incoming.decline' | translate }}
           </button>
 
           <button
@@ -67,7 +67,7 @@
               name="lucidePhone"
               class="h-4 w-4"
             />
-            Answer
+            {{ 'call.incoming.answer' | translate }}
           </button>
         </div>
       </div>

toju-app/src/app/domains/direct-call/feature/incoming-call-modal/incoming-call-modal.component.ts

@@ -9,6 +9,7 @@ import { CommonModule } from '@angular/common';
 import { Store } from '@ngrx/store';
 import { NgIcon, provideIcons } from '@ng-icons/core';
 import { lucidePhone, lucidePhoneOff } from '@ng-icons/lucide';
+import { AppI18nService, APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 import { ModalBackdropComponent, UserAvatarComponent } from '../../../../shared';
 import { selectCurrentUser } from '../../../../store/users/users.selectors';
 import { User } from '../../../../shared-kernel';
@@ -22,7 +23,8 @@ import { DirectCallSession, participantToUser } from '../../domain/models/direct
     CommonModule,
     NgIcon,
     UserAvatarComponent,
-    ModalBackdropComponent
+    ModalBackdropComponent,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [
     provideIcons({
@@ -34,6 +36,7 @@ import { DirectCallSession, participantToUser } from '../../domain/models/direct
 })
 export class IncomingCallModalComponent {
   readonly calls = inject(DirectCallService);
+  private readonly i18n = inject(AppI18nService);
   readonly currentUser = inject(Store).selectSignal(selectCurrentUser);
   readonly session = this.calls.incomingCall;
   readonly answering = signal(false);
@@ -50,11 +53,16 @@ export class IncomingCallModalComponent {
     return (callerId ? this.calls.userForParticipant(callerId) : null)
       ?? (participant ? participantToUser(participant) : null);
   });
-  readonly callerName = computed(() => this.caller()?.displayName || 'Someone');
+  readonly callerName = computed(() => this.caller()?.displayName || this.i18n.instant('call.incoming.someone'));
+  readonly callerCallingLabel = computed(() =>
+    this.i18n.instant('call.incoming.callerCalling', { name: this.callerName() })
+  );
   readonly callKindLabel = computed(() => {
     const participantCount = this.session()?.participantIds.length ?? 0;
 
-    return participantCount > 2 ? `${participantCount} person call` : 'Direct call';
+    return participantCount > 2
+      ? this.i18n.instant('call.incoming.groupCall', { count: participantCount })
+      : this.i18n.instant('call.incoming.directCall');
   });
 
   @HostListener('document:keydown.escape')

toju-app/src/app/domains/direct-message/feature/dm-chat/dm-chat.component.html

@@ -10,8 +10,8 @@
       <button
         type="button"
         class="flex min-w-0 flex-1 items-center gap-3 rounded-md py-1 pr-2 text-left transition-colors hover:bg-secondary/60 focus:outline-none focus:ring-2 focus:ring-primary/50"
-        [attr.aria-label]="'Open profile for ' + peerName()"
-        [title]="'Open profile for ' + peerName()"
+        [attr.aria-label]="openProfileLabel(peerName())"
+        [title]="openProfileLabel(peerName())"
         (click)="openHeaderProfileCard($event)"
       >
         <app-user-avatar
@@ -23,7 +23,7 @@
         />
         <div class="min-w-0 flex-1">
           <h1 class="truncate text-base font-semibold text-foreground">{{ peerName() }}</h1>
-          <p class="text-xs text-muted-foreground">Direct Message</p>
+          <p class="text-xs text-muted-foreground">{{ 'dm.chat.directMessage' | translate }}</p>
         </div>
       </button>
     } @else {
@@ -36,7 +36,9 @@
       />
       <div class="min-w-0 flex-1">
         <h1 class="truncate text-base font-semibold text-foreground">{{ peerName() }}</h1>
-        <p class="text-xs text-muted-foreground">{{ isGroupConversation() ? 'Group Chat' : 'Direct Message' }}</p>
+        <p class="text-xs text-muted-foreground">
+          {{ isGroupConversation() ? ('dm.chat.groupChat' | translate) : ('dm.chat.directMessage' | translate) }}
+        </p>
       </div>
     }
     @if (showCallButton() && conversation()) {
@@ -44,8 +46,8 @@
         type="button"
         class="grid h-9 w-9 place-items-center rounded-md bg-emerald-500 text-white transition-colors hover:bg-emerald-600 disabled:opacity-50"
         [disabled]="!canCallConversation()"
-        [attr.aria-label]="'Call ' + peerName()"
-        [title]="'Call ' + peerName()"
+        [attr.aria-label]="callPeerLabel(peerName())"
+        [title]="callPeerLabel(peerName())"
         (click)="callConversation()"
       >
         <ng-icon
@@ -101,7 +103,7 @@
           data-testid="dm-typing-indicator"
           class="px-4 pb-1 text-xs text-muted-foreground"
         >
-          {{ typingUsers().join(', ') }} {{ typingUsers().length === 1 ? 'is' : 'are' }} typing...
+          {{ typingIndicatorLabel(typingUsers()) }}
         </div>
       }
 
@@ -135,7 +137,7 @@
           class="fixed inset-0 z-[89]"
           tabindex="0"
           role="button"
-          aria-label="Close GIF picker"
+          [attr.aria-label]="'dm.chat.closeGifPicker' | translate"
           (click)="closeGifPicker()"
           (keydown.enter)="closeGifPicker()"
           (keydown.space)="closeGifPicker()"
@@ -171,6 +173,6 @@
       (imageContextMenuRequested)="openImageContextMenu($event)"
     />
   } @else {
-    <div class="flex flex-1 items-center justify-center px-6 text-sm text-muted-foreground">Select a direct message from the rail.</div>
+    <div class="flex flex-1 items-center justify-center px-6 text-sm text-muted-foreground">{{ 'dm.chat.selectPrompt' | translate }}</div>
   }
 </section>

toju-app/src/app/domains/direct-message/feature/dm-chat/dm-chat.component.ts

@@ -14,6 +14,7 @@ import { ActivatedRoute } from '@angular/router';
 import { Store } from '@ngrx/store';
 import { toSignal } from '@angular/core/rxjs-interop';
 import { map } from 'rxjs';
+import { AppI18nService, APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 import { ElectronBridgeService } from '../../../../core/platform/electron/electron-bridge.service';
 import { ViewportService } from '../../../../core/platform';
 import {
@@ -71,7 +72,8 @@ interface DmStatusLabel {
     BottomSheetComponent,
     NgIcon,
     ThemeNodeDirective,
-    UserAvatarComponent
+    UserAvatarComponent,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [provideIcons({ lucidePhone, lucidePhoneCall })],
   templateUrl: './dm-chat.component.html',
@@ -92,6 +94,7 @@ export class DmChatComponent {
   private readonly viewport = inject(ViewportService);
   private readonly metadataRequestKeys = new Set<string>();
   private openedConversationId: string | null = null;
+  private readonly i18n = inject(AppI18nService);
   readonly isMobile = this.viewport.isMobile;
   readonly directCalls = inject(DirectCallService);
   readonly directMessages = inject(DirectMessageService);
@@ -193,7 +196,7 @@ export class DmChatComponent {
         roomId: conversation.id,
         channelId: 'direct-message',
         senderId: message.senderId,
-        senderName: knownUser?.displayName || participant?.displayName || (message.senderId === this.currentUserId() ? 'You' : message.senderId),
+        senderName: knownUser?.displayName || participant?.displayName || (message.senderId === this.currentUserId() ? this.i18n.instant('common.labels.you') : message.senderId),
         content: message.content,
         timestamp: message.timestamp,
         kind: message.kind,
@@ -216,7 +219,7 @@ export class DmChatComponent {
 
     const peerId = conversation?.participants.find((participantId) => participantId !== currentUserId);
 
-    return peerId ? conversation?.participantProfiles[peerId]?.displayName || peerId : 'Direct Message';
+    return peerId ? conversation?.participantProfiles[peerId]?.displayName || peerId : this.i18n.instant('dm.chat.defaultTitle');
   });
   readonly peerCallIcon = computed(() => {
     const conversation = this.conversation();
@@ -382,6 +385,22 @@ export class DmChatComponent {
     }
   }
 
+  openProfileLabel(name: string): string {
+    return this.i18n.instant('dm.chat.openProfile', { name });
+  }
+
+  callPeerLabel(name: string): string {
+    return this.i18n.instant('dm.chat.callPeer', { name });
+  }
+
+  typingIndicatorLabel(names: string[]): string {
+    const verb = names.length === 1
+      ? this.i18n.instant('dm.chat.typingOne')
+      : this.i18n.instant('dm.chat.typingMany');
+
+    return `${names.join(', ')} ${verb}`;
+  }
+
   closeGifPicker(): void {
     this.showGifPicker.set(false);
   }

toju-app/src/app/domains/direct-message/feature/dm-rail/dm-rail.component.html

@@ -4,8 +4,8 @@
     <button
       type="button"
       class="relative z-10 flex h-11 w-11 cursor-pointer flex-shrink-0 items-center justify-center border border-transparent text-muted-foreground transition-[border-radius,box-shadow,background-color,color] duration-100 hover:rounded-lg hover:bg-card hover:text-foreground md:h-10 md:w-10"
-      title="Direct Messages"
-      aria-label="Direct Messages"
+      [title]="'dm.rail.title' | translate"
+      [attr.aria-label]="'dm.rail.ariaLabel' | translate"
       [ngClass]="isOnDirectMessages() ? 'rounded-lg ring-2 ring-primary/40 bg-primary/10 text-foreground' : 'rounded-xl bg-card'"
       [attr.aria-current]="isOnDirectMessages() ? 'page' : null"
       (click)="openDirectMessages()"

toju-app/src/app/domains/direct-message/feature/dm-rail/dm-rail.component.ts

@@ -20,6 +20,7 @@ import {
   lucideUsers
 } from '@ng-icons/lucide';
 import { filter, map } from 'rxjs';
+import { AppI18nService, APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 import { ContextMenuComponent } from '../../../../shared';
 import { DirectMessageService } from '../../application/services/direct-message.service';
 import { FriendService } from '../../application/services/friend.service';
@@ -51,7 +52,8 @@ const EXIT_ANIMATION_MS = 160;
   imports: [
     CommonModule,
     ContextMenuComponent,
-    NgIcon
+    NgIcon,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [provideIcons({ lucideLogOut, lucideMessageCircle, lucideTrash2, lucideUser, lucideUsers })],
   templateUrl: './dm-rail.component.html',
@@ -61,6 +63,7 @@ export class DmRailComponent implements OnDestroy {
   private readonly router = inject(Router);
   private readonly store = inject(Store);
   private readonly exitTimers = new Map<string, ReturnType<typeof setTimeout>>();
+  private readonly i18n = inject(AppI18nService);
   readonly directMessages = inject(DirectMessageService);
   readonly friends = inject(FriendService);
   readonly users = this.store.selectSignal(selectAllUsers);
@@ -198,7 +201,7 @@ export class DmRailComponent implements OnDestroy {
 
     const peerId = conversation.participants.find((participantId) => participantId !== this.currentUserId());
 
-    return peerId ? conversation.participantProfiles[peerId]?.displayName || peerId : 'DM';
+    return peerId ? conversation.participantProfiles[peerId]?.displayName || peerId : this.i18n.instant('dm.chat.railFallback');
   }
 
   initial(label: string): string {
@@ -263,7 +266,9 @@ export class DmRailComponent implements OnDestroy {
   }
 
   forgetContextLabel(item: DmRailItem): string {
-    return item.conversation && this.isGroupConversation(item.conversation) ? 'Leave chat' : 'Forget chat';
+    return item.conversation && this.isGroupConversation(item.conversation)
+      ? this.i18n.instant('dm.rail.leaveChat')
+      : this.i18n.instant('dm.rail.forgetChat');
   }
 
   forgetContextIcon(item: DmRailItem): string {

toju-app/src/app/domains/direct-message/feature/dm-workspace/dm-conversation-item.component.html

@@ -30,8 +30,8 @@
     type="button"
     class="invisible grid h-7 w-7 shrink-0 place-items-center rounded-md text-muted-foreground opacity-0 transition hover:bg-emerald-500/10 hover:text-emerald-600 focus:visible focus:opacity-100 group-focus-within:visible group-focus-within:opacity-100 group-hover:visible group-hover:opacity-100 disabled:group-focus-within:opacity-30 disabled:group-hover:opacity-30"
     [disabled]="!canCall()"
-    [attr.aria-label]="'Call ' + peerName()"
-    [title]="'Call ' + peerName()"
+    [attr.aria-label]="callPeerLabel(peerName())"
+    [title]="callPeerLabel(peerName())"
     (click)="callConversationPeer($event)"
   >
     <ng-icon
@@ -42,8 +42,8 @@
   <button
     type="button"
     class="grid h-7 w-7 shrink-0 place-items-center rounded-md text-muted-foreground opacity-0 transition hover:bg-destructive/10 hover:text-destructive focus:opacity-100 group-hover:opacity-100"
-    [attr.aria-label]="'Forget ' + peerName()"
-    [title]="'Forget ' + peerName()"
+    [attr.aria-label]="forgetPeerLabel(peerName())"
+    [title]="forgetPeerLabel(peerName())"
     (click)="forgetConversation($event)"
   >
     <ng-icon

toju-app/src/app/domains/direct-message/feature/dm-workspace/dm-conversation-item.component.ts

@@ -18,6 +18,7 @@ import {
   lucideTrash2
 } from '@ng-icons/lucide';
 import { map } from 'rxjs';
+import { AppI18nService, APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 import { UserAvatarComponent } from '../../../../shared';
 import { ThemeNodeDirective } from '../../../theme';
 import { AttachmentFacade } from '../../../attachment';
@@ -35,7 +36,8 @@ import { DirectMessageService } from '../../application/services/direct-message.
     CommonModule,
     NgIcon,
     UserAvatarComponent,
-    ThemeNodeDirective
+    ThemeNodeDirective,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [provideIcons({ lucidePhone, lucidePhoneCall, lucideTrash2 })],
   host: { class: 'block' },
@@ -48,6 +50,7 @@ export class DmConversationItemComponent {
   private readonly attachments = inject(AttachmentFacade);
   private readonly directMessages = inject(DirectMessageService);
   private readonly directCalls = inject(DirectCallService);
+  private readonly i18n = inject(AppI18nService);
   readonly conversation = input.required<DirectMessageConversation>();
   readonly conversationOpened = output<string>();
   readonly users = this.store.selectSignal(selectAllUsers);
@@ -95,6 +98,14 @@ export class DmConversationItemComponent {
     await this.directCalls.startConversationCall(this.conversation());
   }
 
+  callPeerLabel(name: string): string {
+    return this.i18n.instant('dm.chat.callPeer', { name });
+  }
+
+  forgetPeerLabel(name: string): string {
+    return this.i18n.instant('dm.chat.forgetPeer', { name });
+  }
+
   formatUnreadCount(count: number): string {
     return count > 99 ? '99+' : String(count);
   }
@@ -107,7 +118,7 @@ export class DmConversationItemComponent {
     const peerId = this.peerId(conversation);
     const knownUser = this.peerUser(conversation);
 
-    return peerId ? knownUser?.displayName || conversation.participantProfiles[peerId]?.displayName || peerId : 'Direct Message';
+    return peerId ? knownUser?.displayName || conversation.participantProfiles[peerId]?.displayName || peerId : this.i18n.instant('dm.chat.defaultTitle');
   }
 
   private resolvePeerAvatarUrl(conversation: DirectMessageConversation): string | undefined {
@@ -125,15 +136,15 @@ export class DmConversationItemComponent {
     const lastMessage = conversation.messages.at(-1);
 
     if (!lastMessage) {
-      return 'No messages yet';
+      return this.i18n.instant('dm.previews.noMessages');
     }
 
     if (lastMessage.isDeleted) {
-      return 'Message deleted';
+      return this.i18n.instant('dm.previews.deleted');
     }
 
     if (this.isKlipyGif(lastMessage.content)) {
-      return 'Sent a GIF';
+      return this.i18n.instant('dm.previews.gif');
     }
 
     this.attachments.updated();
@@ -143,7 +154,7 @@ export class DmConversationItemComponent {
       return this.attachmentPreview(attachments);
     }
 
-    return lastMessage.content || 'Attachment';
+    return lastMessage.content || this.i18n.instant('dm.previews.attachment');
   }
 
   private conversationCallIcon(conversation: DirectMessageConversation): string {
@@ -203,17 +214,19 @@ export class DmConversationItemComponent {
 
   private attachmentPreview(attachments: Attachment[]): string {
     if (attachments.some((attachment) => attachment.mime.startsWith('image/'))) {
-      return 'Sent an image';
+      return this.i18n.instant('dm.previews.image');
     }
 
     if (attachments.some((attachment) => attachment.mime.startsWith('video/'))) {
-      return 'Sent a video';
+      return this.i18n.instant('dm.previews.video');
     }
 
     if (attachments.some((attachment) => attachment.mime.startsWith('audio/'))) {
-      return 'Sent audio';
+      return this.i18n.instant('dm.previews.audio');
     }
 
-    return attachments.length === 1 ? 'Sent an attachment' : 'Sent attachments';
+    return attachments.length === 1
+      ? this.i18n.instant('dm.previews.oneAttachment')
+      : this.i18n.instant('dm.previews.manyAttachments');
   }
 }

toju-app/src/app/domains/direct-message/feature/dm-workspace/dm-conversations-panel.component.html

@@ -15,8 +15,8 @@
         />
       </div>
       <div class="min-w-0">
-        <h1 class="truncate text-sm font-semibold text-foreground">Direct Messages</h1>
-        <p class="text-xs text-muted-foreground">{{ directMessages.conversations().length }} chats</p>
+        <h1 class="truncate text-sm font-semibold text-foreground">{{ 'dm.conversations.title' | translate }}</h1>
+        <p class="text-xs text-muted-foreground">{{ 'dm.conversations.chatCount' | translate: { count: directMessages.conversations().length } }}</p>
       </div>
     </header>
 
@@ -25,7 +25,9 @@
       class="flex min-h-0 flex-1 flex-col"
     >
       @if (directMessages.conversations().length === 0) {
-        <div class="flex h-full items-center justify-center px-4 text-center text-sm text-muted-foreground">No direct messages yet.</div>
+        <div class="flex h-full items-center justify-center px-4 text-center text-sm text-muted-foreground">
+          {{ 'dm.conversations.empty' | translate }}
+        </div>
       } @else {
         <app-virtual-list
           class="block h-full p-2"

toju-app/src/app/domains/direct-message/feature/dm-workspace/dm-conversations-panel.component.ts

@@ -8,6 +8,7 @@ import {
 import { CommonModule } from '@angular/common';
 import { NgIcon, provideIcons } from '@ng-icons/core';
 import { lucideMessageCircle } from '@ng-icons/lucide';
+import { APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 import { ThemeNodeDirective, ThemeService } from '../../../theme';
 import { VoiceControlsComponent } from '../../../voice-session';
 import { VirtualListComponent } from '../../../../shared/components/virtual-list';
@@ -24,7 +25,8 @@ import { DmConversationItemComponent } from './dm-conversation-item.component';
     NgIcon,
     ThemeNodeDirective,
     VirtualListComponent,
-    VoiceControlsComponent
+    VoiceControlsComponent,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [provideIcons({ lucideMessageCircle })],
   host: { class: 'contents' },

toju-app/src/app/domains/direct-message/feature/dm-workspace/dm-workspace.component.html

@@ -28,21 +28,21 @@
             type="button"
             (click)="setMobilePage('conversations')"
             class="grid h-11 w-11 place-items-center rounded-lg text-muted-foreground transition-colors hover:bg-secondary hover:text-foreground"
-            aria-label="Back to conversations"
+            [attr.aria-label]="'dm.workspace.backToConversations' | translate"
           >
             <ng-icon
               name="lucideChevronLeft"
               class="h-5 w-5"
             />
           </button>
-          <p class="min-w-0 flex-1 truncate text-sm font-semibold text-foreground">Direct messages</p>
+          <p class="min-w-0 flex-1 truncate text-sm font-semibold text-foreground">{{ 'dm.workspace.directMessages' | translate }}</p>
           @if (activeCall()) {
             <button
               type="button"
               (click)="openActiveCall()"
               class="grid h-11 w-11 place-items-center rounded-lg text-emerald-600 transition-colors hover:bg-emerald-500/10 hover:text-emerald-500"
-              aria-label="Return to call"
-              title="Return to call"
+              [attr.aria-label]="'dm.workspace.returnToCall' | translate"
+              [title]="'dm.workspace.returnToCall' | translate"
             >
               <ng-icon
                 name="lucidePhoneCall"

toju-app/src/app/domains/direct-message/feature/dm-workspace/dm-workspace.component.ts

@@ -17,6 +17,7 @@ import { toSignal } from '@angular/core/rxjs-interop';
 import { map } from 'rxjs';
 import { NgIcon, provideIcons } from '@ng-icons/core';
 import { lucideChevronLeft, lucidePhoneCall } from '@ng-icons/lucide';
+import { APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 import { ServersRailComponent } from '../../../../features/servers/servers-rail/servers-rail.component';
 import { ViewportService } from '../../../../core/platform';
 import { ThemeService } from '../../../theme';
@@ -46,7 +47,8 @@ interface SwiperElement extends HTMLElement {
     NgIcon,
     DmChatPanelComponent,
     DmConversationsPanelComponent,
-    ServersRailComponent
+    ServersRailComponent,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [provideIcons({ lucideChevronLeft, lucidePhoneCall })],
   schemas: [CUSTOM_ELEMENTS_SCHEMA],

toju-app/src/app/domains/direct-message/feature/find-people/find-people.component.html

@@ -3,7 +3,7 @@
     <header class="flex items-center gap-3 border-b border-border px-4 py-3">
       <a
         routerLink="/dashboard"
-        aria-label="Back to dashboard"
+        [attr.aria-label]="'common.actions.backToDashboard' | translate"
         class="grid h-9 w-9 shrink-0 place-items-center rounded-lg border border-border bg-secondary text-muted-foreground transition-colors hover:bg-secondary/80"
       >
         <ng-icon
@@ -12,8 +12,8 @@
         />
       </a>
       <div class="min-w-0">
-        <h1 class="truncate text-lg font-semibold text-foreground">Find people</h1>
-        <p class="truncate text-xs text-muted-foreground">Search for people you share servers with.</p>
+        <h1 class="truncate text-lg font-semibold text-foreground">{{ 'dm.find.title' | translate }}</h1>
+        <p class="truncate text-xs text-muted-foreground">{{ 'dm.find.subtitle' | translate }}</p>
       </div>
     </header>
 
@@ -25,9 +25,9 @@
         />
         <input
           type="text"
-          aria-label="Search people"
+          [attr.aria-label]="'dm.find.searchAriaLabel' | translate"
           class="h-10 w-full rounded-lg border border-border bg-secondary py-2 pl-10 pr-3 text-sm text-foreground placeholder:text-muted-foreground focus:outline-none focus:ring-2 focus:ring-primary"
-          placeholder="Search people..."
+          [placeholder]="'dm.find.searchPlaceholder' | translate"
           [ngModel]="searchQuery()"
           (ngModelChange)="onSearchChange($event)"
         />
@@ -47,13 +47,13 @@
             class="h-7 w-7 text-muted-foreground"
           />
         </div>
-        <p class="text-base font-semibold text-foreground">No people to show yet</p>
-        <p class="mt-1 max-w-sm text-sm">Join servers to discover people with shared interests.</p>
+        <p class="text-base font-semibold text-foreground">{{ 'dm.find.emptyTitle' | translate }}</p>
+        <p class="mt-1 max-w-sm text-sm">{{ 'dm.find.emptyMessage' | translate }}</p>
         <a
           routerLink="/servers"
           class="mt-5 inline-flex items-center justify-center rounded-lg bg-primary px-4 py-2 text-sm font-semibold text-primary-foreground transition-colors hover:bg-primary/90"
         >
-          Find servers
+          {{ 'dm.find.findServers' | translate }}
         </a>
       </div>
     }

toju-app/src/app/domains/direct-message/feature/find-people/find-people.component.ts

@@ -16,6 +16,7 @@ import {
   lucideUsers
 } from '@ng-icons/lucide';
 
+import { AppI18nService, APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 import { UserSearchListComponent } from '../user-search-list/user-search-list.component';
 import { selectAllUsers } from '../../../../store/users/users.selectors';
 import { selectSavedRooms } from '../../../../store/rooms/rooms.selectors';
@@ -33,7 +34,8 @@ import { selectSavedRooms } from '../../../../store/rooms/rooms.selectors';
     FormsModule,
     RouterLink,
     NgIcon,
-    UserSearchListComponent
+    UserSearchListComponent,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [provideIcons({ lucideArrowLeft, lucideSearch, lucideUsers })],
   templateUrl: './find-people.component.html',

toju-app/src/app/domains/direct-message/feature/friend-button/friend-button.component.html

@@ -3,8 +3,8 @@
   [attr.data-testid]="'friend-button-' + userId()"
   class="grid h-8 w-8 place-items-center rounded-md border border-border bg-secondary text-foreground transition-colors hover:bg-secondary/80"
   [attr.aria-pressed]="isFriend()"
-  [attr.aria-label]="isFriend() ? 'Remove friend' : 'Add friend'"
-  [title]="isFriend() ? 'Remove friend' : 'Add friend'"
+  [attr.aria-label]="ariaLabel()"
+  [title]="ariaLabel()"
   (click)="toggle($event)"
 >
   <ng-icon

toju-app/src/app/domains/direct-message/feature/friend-button/friend-button.component.ts

@@ -8,22 +8,29 @@ import {
 import { CommonModule } from '@angular/common';
 import { NgIcon, provideIcons } from '@ng-icons/core';
 import { lucideUserCheck, lucideUserPlus } from '@ng-icons/lucide';
+import { AppI18nService, APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 import { FriendService } from '../../application/services/friend.service';
 import type { User } from '../../../../shared-kernel';
 
 @Component({
   selector: 'app-friend-button',
   standalone: true,
-  imports: [CommonModule, NgIcon],
+  imports: [CommonModule, NgIcon, ...APP_TRANSLATE_IMPORTS],
   viewProviders: [provideIcons({ lucideUserCheck, lucideUserPlus })],
   templateUrl: './friend-button.component.html'
 })
 export class FriendButtonComponent {
   private readonly friends = inject(FriendService);
+  private readonly i18n = inject(AppI18nService);
 
   readonly user = input.required<User>();
   readonly userId = computed(() => this.user().oderId || this.user().id);
   readonly isFriend = computed(() => this.friends.isFriend(this.userId()));
+  readonly ariaLabel = computed(() =>
+    this.isFriend()
+      ? this.i18n.instant('dm.friend.remove')
+      : this.i18n.instant('dm.friend.add')
+  );
 
   toggle(event: Event): void {
     event.stopPropagation();

toju-app/src/app/domains/direct-message/feature/user-search-list/user-search-list.component.html

@@ -1,13 +1,13 @@
 <section class="min-h-full p-3">
   <div class="mb-2 flex items-center justify-between gap-3">
-    <h3 class="text-sm font-semibold text-foreground">People</h3>
+    <h3 class="text-sm font-semibold text-foreground">{{ 'dm.search.peopleTitle' | translate }}</h3>
     <span class="text-xs text-muted-foreground">{{ matchingUsers().length }}</span>
   </div>
 
   @if (friendResults().length > 0) {
     <div class="mb-3">
       <div class="mb-1 flex items-center justify-between">
-        <h4 class="text-xs font-semibold uppercase tracking-wide text-muted-foreground">Friends</h4>
+        <h4 class="text-xs font-semibold uppercase tracking-wide text-muted-foreground">{{ 'dm.search.friendsTitle' | translate }}</h4>
         <span class="text-xs text-muted-foreground">{{ friendResults().length }}</span>
       </div>
 
@@ -38,8 +38,8 @@
                 type="button"
                 [attr.data-testid]="'call-friend-' + userKey(user)"
                 class="grid h-8 w-8 place-items-center rounded-md bg-emerald-500 text-white transition-colors hover:bg-emerald-600"
-                [attr.aria-label]="'Call ' + user.displayName"
-                [title]="'Call ' + user.displayName"
+                [attr.aria-label]="callUserLabel(user.displayName)"
+                [title]="callUserLabel(user.displayName)"
                 (click)="callUser(user)"
               >
                 <ng-icon
@@ -51,8 +51,8 @@
                 type="button"
                 [attr.data-testid]="'message-friend-' + userKey(user)"
                 class="grid h-8 w-8 place-items-center rounded-md bg-primary text-primary-foreground transition-colors hover:bg-primary/90"
-                [attr.aria-label]="'Message ' + user.displayName"
-                [title]="'Message ' + user.displayName"
+                [attr.aria-label]="messageUserLabel(user.displayName)"
+                [title]="messageUserLabel(user.displayName)"
                 (click)="messageUser(user)"
               >
                 <ng-icon
@@ -69,7 +69,7 @@
 
   @if (friendResults().length > 0) {
     <div class="mb-1 flex items-center justify-between">
-      <h4 class="text-xs font-semibold uppercase tracking-wide text-muted-foreground">Others</h4>
+      <h4 class="text-xs font-semibold uppercase tracking-wide text-muted-foreground">{{ 'dm.search.othersTitle' | translate }}</h4>
       <span class="text-xs text-muted-foreground">{{ results().length }}</span>
     </div>
   }
@@ -80,7 +80,7 @@
         name="lucideSearch"
         class="h-4 w-4"
       />
-      No users found
+      {{ 'dm.search.noUsersFound' | translate }}
     </div>
   } @else {
     <div class="space-y-1.5">
@@ -115,8 +115,8 @@
               type="button"
               [attr.data-testid]="'call-user-' + userKey(user)"
               class="grid h-8 w-8 place-items-center rounded-md bg-emerald-500 text-white transition-colors hover:bg-emerald-600"
-              [attr.aria-label]="'Call ' + user.displayName"
-              [title]="'Call ' + user.displayName"
+              [attr.aria-label]="callUserLabel(user.displayName)"
+              [title]="callUserLabel(user.displayName)"
               (click)="callUser(user)"
             >
               <ng-icon
@@ -128,8 +128,8 @@
               type="button"
               [attr.data-testid]="'message-user-' + userKey(user)"
               class="grid h-8 w-8 place-items-center rounded-md bg-primary text-primary-foreground transition-colors hover:bg-primary/90"
-              [attr.aria-label]="'Message ' + user.displayName"
-              [title]="'Message ' + user.displayName"
+              [attr.aria-label]="messageUserLabel(user.displayName)"
+              [title]="messageUserLabel(user.displayName)"
               (click)="messageUser(user)"
             >
               <ng-icon

toju-app/src/app/domains/direct-message/feature/user-search-list/user-search-list.component.ts

@@ -15,6 +15,7 @@ import {
   lucidePhoneCall,
   lucideSearch
 } from '@ng-icons/lucide';
+import { AppI18nService, APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 import { selectAllUsers, selectCurrentUser } from '../../../../store/users/users.selectors';
 import { selectSavedRooms } from '../../../../store/rooms/rooms.selectors';
 import { UserAvatarComponent } from '../../../../shared';
@@ -31,7 +32,8 @@ import type { User } from '../../../../shared-kernel';
     CommonModule,
     NgIcon,
     UserAvatarComponent,
-    FriendButtonComponent
+    FriendButtonComponent,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [provideIcons({ lucideMessageCircle, lucidePhone, lucidePhoneCall, lucideSearch })],
   templateUrl: './user-search-list.component.html'
@@ -42,6 +44,7 @@ export class UserSearchListComponent {
   private readonly directMessages = inject(DirectMessageService);
   readonly directCalls = inject(DirectCallService);
   readonly friends = inject(FriendService);
+  private readonly i18n = inject(AppI18nService);
   readonly searchQuery = input('');
   readonly users = this.store.selectSignal(selectAllUsers);
   readonly savedRooms = this.store.selectSignal(selectSavedRooms);
@@ -108,6 +111,14 @@ export class UserSearchListComponent {
     return this.directCalls.isCallingUser(user) ? 'lucidePhoneCall' : 'lucidePhone';
   }
 
+  callUserLabel(name: string): string {
+    return this.i18n.instant('dm.search.callUser', { name });
+  }
+
+  messageUserLabel(name: string): string {
+    return this.i18n.instant('dm.search.messageUser', { name });
+  }
+
   userKey(user: User): string {
     return user.oderId || user.id;
   }

toju-app/src/app/domains/experimental-media/feature/experimental-vlc-player/experimental-vlc-player.component.html

@@ -9,8 +9,8 @@
       <button
         type="button"
         class="grid h-8 w-8 place-items-center rounded-md text-muted-foreground transition-colors hover:bg-secondary hover:text-foreground"
-        title="Download"
-        aria-label="Download"
+        title="{{ 'experimental.vlcPlayer.download' | translate }}"
+        aria-label="{{ 'experimental.vlcPlayer.download' | translate }}"
         (click)="requestDownload()"
       >
         <ng-icon
@@ -22,8 +22,8 @@
       <button
         type="button"
         class="grid h-8 w-8 place-items-center rounded-md text-muted-foreground transition-colors hover:bg-secondary hover:text-foreground"
-        title="Close"
-        aria-label="Close"
+        title="{{ 'experimental.vlcPlayer.close' | translate }}"
+        aria-label="{{ 'experimental.vlcPlayer.close' | translate }}"
         (click)="close()"
       >
         <ng-icon
@@ -41,7 +41,9 @@
     ></div>
 
     @if (status() === 'loading') {
-      <div class="absolute inset-0 grid place-items-center bg-black/80 px-4 text-sm text-white/80">Loading experimental player...</div>
+      <div class="absolute inset-0 grid place-items-center bg-black/80 px-4 text-sm text-white/80">
+        {{ 'experimental.vlcPlayer.loading' | translate }}
+      </div>
     }
 
     @if (status() === 'error') {
@@ -57,7 +59,7 @@
               name="lucideRefreshCw"
               class="h-3.5 w-3.5"
             />
-            Retry
+            {{ 'experimental.vlcPlayer.retry' | translate }}
           </button>
           <button
             type="button"

toju-app/src/app/domains/experimental-media/feature/experimental-vlc-player/experimental-vlc-player.component.ts

@@ -17,12 +17,13 @@ import {
   lucideX
 } from '@ng-icons/lucide';
 
+import { APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 import { ExperimentalVlcPlayerHandle, ExperimentalVlcRuntimeService } from '../../infrastructure/services/experimental-vlc-runtime.service';
 
 @Component({
   selector: 'app-experimental-vlc-player',
   standalone: true,
-  imports: [CommonModule, NgIcon],
+  imports: [CommonModule, NgIcon, ...APP_TRANSLATE_IMPORTS],
   viewProviders: [
     provideIcons({
       lucideDownload,

toju-app/src/app/domains/game-activity/application/game-activity.service.spec.ts

@@ -20,6 +20,7 @@ import type {
   MatchedGame,
   User
 } from '../../../shared-kernel';
+import { initializeAppI18nForTests, provideAppI18nForTests } from '../../../core/i18n/app-i18n.testing';
 import { GameActivityService } from './game-activity.service';
 
 const alice = createUser('alice-id', 'alice-oder', 'Alice');
@@ -199,6 +200,7 @@ function createServiceContext(options: ServiceContextOptions): ServiceContext {
     : options.electronApi;
   const injector = Injector.create({
     providers: [
+      ...provideAppI18nForTests(),
       {
         provide: ElectronBridgeService,
         useValue: { getApi: () => electronApi }
@@ -230,6 +232,7 @@ function createServiceContext(options: ServiceContextOptions): ServiceContext {
       }
     ]
   });
+  initializeAppI18nForTests(injector);
   const service = runInInjectionContext(injector, () => new GameActivityService());
   const context = {
     incomingMessages,

toju-app/src/app/domains/game-activity/application/game-activity.service.ts

@@ -7,6 +7,7 @@ import {
 import { HttpClient } from '@angular/common/http';
 import { Store } from '@ngrx/store';
 import { Subscription, firstValueFrom } from 'rxjs';
+import { AppI18nService } from '../../../core/i18n';
 import { ElectronBridgeService } from '../../../core/platform/electron/electron-bridge.service';
 import { jsonStorage } from '../../../infrastructure/persistence/json-storage.service';
 import { RealtimeSessionFacade } from '../../../core/realtime';
@@ -87,6 +88,7 @@ const IGNORED_PROCESS_PATTERNS = [
 
 @Injectable({ providedIn: 'root' })
 export class GameActivityService implements OnDestroy {
+  private readonly i18n = inject(AppI18nService);
   private readonly electron = inject(ElectronBridgeService);
   private readonly http = inject(HttpClient);
   private readonly jsonStorage = jsonStorage;
@@ -518,7 +520,7 @@ export class GameActivityService implements OnDestroy {
     this.webrtc.broadcastMessage({
       type: 'game-activity',
       oderId: user?.oderId || user?.id,
-      displayName: user?.displayName || 'User',
+      displayName: user?.displayName || this.i18n.instant('common.defaultUser'),
       gameActivity: activity
     });
   }
@@ -562,7 +564,7 @@ export class GameActivityService implements OnDestroy {
     this.webrtc.sendToPeer(peerId, {
       type: 'game-activity',
       oderId: user.oderId || user.id,
-      displayName: user.displayName || 'User',
+      displayName: user.displayName || this.i18n.instant('common.defaultUser'),
       gameActivity: this.currentActivity
     });
   }

toju-app/src/app/domains/notifications/application/services/notifications.service.spec.ts

@@ -21,6 +21,7 @@ import { selectCurrentUser } from '../../../../store/users/users.selectors';
 import { DesktopNotificationService } from '../../infrastructure/services/desktop-notification.service';
 import { NotificationSettingsStorageService } from '../../infrastructure/services/notification-settings-storage.service';
 import { createDefaultNotificationSettings, type NotificationsSettings } from '../../domain/models/notification.model';
+import { initializeAppI18nForTests, provideAppI18nForTests } from '../../../../core/i18n/app-i18n.testing';
 import { NotificationsService } from './notifications.service';
 
 const alice: User = {
@@ -165,6 +166,7 @@ function createServiceContext(options: ServiceContextOptions): ServiceContext {
 
   const injector = Injector.create({
     providers: [
+      ...provideAppI18nForTests(),
       {
         provide: DatabaseService,
         useValue: {
@@ -228,6 +230,8 @@ function createServiceContext(options: ServiceContextOptions): ServiceContext {
     ]
   });
 
+  initializeAppI18nForTests(injector);
+
   return {
     service: runInInjectionContext(injector, () => new NotificationsService())
   };

toju-app/src/app/domains/notifications/application/services/notifications.service.ts

@@ -8,6 +8,7 @@ import {
 import { Store } from '@ngrx/store';
 import type { Message, Room } from '../../../../shared-kernel';
 import { NotificationAudioService, AppSound } from '../../../../core/services/notification-audio.service';
+import { AppI18nService } from '../../../../core/i18n';
 import { TimeSyncService } from '../../../../core/services/time-sync.service';
 import { DatabaseService } from '../../../../infrastructure/persistence';
 import {
@@ -48,6 +49,7 @@ export class NotificationsService {
   private readonly store = inject(Store);
   private readonly db = inject(DatabaseService);
   private readonly audio = inject(NotificationAudioService);
+  private readonly appI18n = inject(AppI18nService);
   private readonly timeSync = inject(TimeSyncService);
   private readonly desktopNotifications = inject(DesktopNotificationService);
   private readonly storage = inject(NotificationSettingsStorageService);
@@ -221,7 +223,8 @@ export class NotificationsService {
       message,
       room,
       this._settings(),
-      !context.isWindowFocused || !context.isDocumentVisible
+      !context.isWindowFocused || !context.isDocumentVisible,
+      (key, params) => this.appI18n.instant(key, params)
     );
 
     if (this.shouldPlayNotificationSound()) {

toju-app/src/app/domains/notifications/domain/logic/notification.logic.ts

@@ -10,6 +10,8 @@ export const DEFAULT_TEXT_CHANNEL_ID = 'general';
 
 const MESSAGE_PREVIEW_LIMIT = 140;
 
+export type AppTranslateFn = (key: string, params?: Record<string, string | number>) => string;
+
 export function resolveMessageChannelId(message: Pick<Message, 'channelId'>): string {
   return message.channelId || DEFAULT_TEXT_CHANNEL_ID;
 }
@@ -98,17 +100,18 @@ export function buildNotificationDisplayPayload(
   message: Pick<Message, 'channelId' | 'content' | 'senderName'>,
   room: Room | null,
   settings: NotificationsSettings,
-  requestAttention: boolean
+  requestAttention: boolean,
+  translate: AppTranslateFn
 ): NotificationDisplayPayload {
   const channelId = resolveMessageChannelId(message);
-  const roomName = room?.name || 'Server';
+  const roomName = room?.name || translate('notifications.display.defaultServerName');
   const channelLabel = getChannelLabel(room, channelId);
 
   return {
     title: `${roomName} · #${channelLabel}`,
     body: settings.showPreview
-      ? formatMessagePreview(message.senderName, message.content)
-      : `${message.senderName} sent a new message`,
+      ? formatMessagePreview(message.senderName, message.content, translate)
+      : translate('notifications.display.newMessageHidden', { sender: message.senderName }),
     requestAttention
   };
 }
@@ -147,16 +150,16 @@ export function calculateUnreadForRoom(
   };
 }
 
-function formatMessagePreview(senderName: string, content: string): string {
+function formatMessagePreview(senderName: string, content: string, translate: AppTranslateFn): string {
   const normalisedContent = content.replace(/\s+/g, ' ').trim();
 
   if (!normalisedContent) {
-    return `${senderName} sent a new message`;
+    return translate('notifications.display.newMessageEmpty', { sender: senderName });
   }
 
   const preview = normalisedContent.length > MESSAGE_PREVIEW_LIMIT
     ? `${normalisedContent.slice(0, MESSAGE_PREVIEW_LIMIT - 1)}...`
     : normalisedContent;
 
-  return `${senderName}: ${preview}`;
+  return translate('notifications.display.preview', { sender: senderName, content: preview });
 }

toju-app/src/app/domains/notifications/feature/settings/notifications-settings/notifications-settings.component.html

@@ -9,10 +9,9 @@
       </div>
 
       <div class="min-w-0 flex-1">
-        <h4 class="text-base font-semibold text-foreground">Delivery</h4>
+        <h4 class="text-base font-semibold text-foreground">{{ 'notifications.delivery.title' | translate }}</h4>
         <p class="mt-1 text-sm text-muted-foreground">
-          Desktop alerts use the system notification center on Linux and request taskbar attention when the app is not focused. Maximized app window
-          suppress system popups, and only play the configured notification sound while the app is in the background.
+          {{ 'notifications.delivery.description' | translate }}
         </p>
       </div>
     </div>
@@ -20,8 +19,8 @@
     <div class="mt-5 space-y-4">
       <div class="flex items-center justify-between gap-4">
         <div>
-          <p class="font-medium text-foreground">Enable notifications</p>
-          <p class="text-sm text-muted-foreground">Mute every server and channel notification without affecting unread indicators.</p>
+          <p class="font-medium text-foreground">{{ 'notifications.enable.label' | translate }}</p>
+          <p class="text-sm text-muted-foreground">{{ 'notifications.enable.description' | translate }}</p>
         </div>
 
         <label class="relative inline-flex cursor-pointer items-center">
@@ -45,8 +44,8 @@
           />
 
           <div>
-            <p class="font-medium text-foreground">Show message preview</p>
-            <p class="text-sm text-muted-foreground">Include a short message preview in desktop notifications when content privacy allows it.</p>
+            <p class="font-medium text-foreground">{{ 'notifications.showPreview.label' | translate }}</p>
+            <p class="text-sm text-muted-foreground">{{ 'notifications.showPreview.description' | translate }}</p>
           </div>
         </div>
 
@@ -71,8 +70,8 @@
           />
 
           <div>
-            <p class="font-medium text-foreground">Respect busy status</p>
-            <p class="text-sm text-muted-foreground">Suppress desktop alerts while your user presence is set to busy.</p>
+            <p class="font-medium text-foreground">{{ 'notifications.respectBusy.label' | translate }}</p>
+            <p class="text-sm text-muted-foreground">{{ 'notifications.respectBusy.description' | translate }}</p>
           </div>
         </div>
 
@@ -101,16 +100,16 @@
       </div>
 
       <div class="min-w-0 flex-1">
-        <h4 class="text-base font-semibold text-foreground">Server Overrides</h4>
+        <h4 class="text-base font-semibold text-foreground">{{ 'notifications.serverOverrides.title' | translate }}</h4>
         <p class="mt-1 text-sm text-muted-foreground">
-          Right-click actions mirror these switches. Muted servers and channels still collect unread badges so you can catch up later.
+          {{ 'notifications.serverOverrides.description' | translate }}
         </p>
       </div>
     </div>
 
     @if (rooms().length === 0) {
       <div class="mt-5 rounded-lg border border-dashed border-border bg-secondary/20 p-4 text-sm text-muted-foreground">
-        Join a server to configure notification overrides.
+        {{ 'notifications.serverOverrides.empty' | translate }}
       </div>
     } @else {
       <div class="mt-5 space-y-4">
@@ -122,11 +121,13 @@
                   <p class="truncate font-medium text-foreground">{{ room.name }}</p>
                   @if (roomUnreadCount(room.id) > 0) {
                     <span class="rounded-full bg-amber-400/20 px-2 py-0.5 text-[11px] font-semibold text-amber-300">
-                      {{ formatUnreadCount(roomUnreadCount(room.id)) }} unread
+                      {{ 'notifications.serverOverrides.unread' | translate: { count: formatUnreadCount(roomUnreadCount(room.id)) } }}
                     </span>
                   }
                 </div>
-                <p class="mt-1 text-sm text-muted-foreground">{{ room.description || 'Notifications for every text channel in this server.' }}</p>
+                <p class="mt-1 text-sm text-muted-foreground">
+                  {{ room.description || ('notifications.serverOverrides.defaultRoomDescription' | translate) }}
+                </p>
               </div>
 
               <label class="relative inline-flex cursor-pointer items-center">
@@ -144,8 +145,8 @@
 
             <div class="mt-4 rounded-lg border border-border/70 bg-background/50 p-3">
               <div class="mb-2 flex items-center justify-between">
-                <p class="text-xs font-semibold uppercase tracking-wide text-muted-foreground">Channels</p>
-                <p class="text-xs text-muted-foreground">Unread badges remain visible even if muted.</p>
+                <p class="text-xs font-semibold uppercase tracking-wide text-muted-foreground">{{ 'notifications.channels.title' | translate }}</p>
+                <p class="text-xs text-muted-foreground">{{ 'notifications.channels.mutedHint' | translate }}</p>
               </div>
 
               <div class="space-y-2">

toju-app/src/app/domains/notifications/feature/settings/notifications-settings/notifications-settings.component.ts

@@ -16,11 +16,12 @@ import {
 import { selectSavedRooms } from '../../../../../store/rooms/rooms.selectors';
 import type { Room } from '../../../../../shared-kernel';
 import { NotificationsFacade } from '../../../application/facades/notifications.facade';
+import { APP_TRANSLATE_IMPORTS } from '../../../../../core/i18n';
 
 @Component({
   selector: 'app-notifications-settings',
   standalone: true,
-  imports: [CommonModule, NgIcon],
+  imports: [CommonModule, NgIcon, ...APP_TRANSLATE_IMPORTS],
   viewProviders: [
     provideIcons({
       lucideBell,

toju-app/src/app/domains/plugins/application/services/plugin-store.service.spec.ts

@@ -1,5 +1,7 @@
 import { Injector } from '@angular/core';
+import { provideTranslateService } from '@ngx-translate/core';
 import { environment } from '../../../../../environments/environment';
+import { AppI18nService } from '../../../../core/i18n';
 import type { TojuPluginManifest } from '../../../../shared-kernel';
 import { ElectronBridgeService } from '../../../../core/platform/electron/electron-bridge.service';
 import { PluginStoreService } from './plugin-store.service';
@@ -259,6 +261,11 @@ function createService(
 ): PluginStoreService {
   const injector = Injector.create({
     providers: [
+      provideTranslateService({
+        fallbackLang: 'en',
+        lang: 'en'
+      }),
+      AppI18nService,
       PluginStoreService,
       {
         provide: ElectronBridgeService,
@@ -299,7 +306,10 @@ function createService(
     ]
   });
 
-  return injector.get(PluginStoreService);
+  const service = injector.get(PluginStoreService);
+  injector.get(AppI18nService).initialize();
+
+  return service;
 }
 
 function toBase64(value: string): string {

toju-app/src/app/domains/plugins/application/services/plugin-store.service.ts

@@ -12,6 +12,7 @@ import { Store } from '@ngrx/store';
 import { firstValueFrom } from 'rxjs';
 import { environment } from '../../../../../environments/environment';
 import { RealtimeSessionFacade } from '../../../../core/realtime';
+import { AppI18nService } from '../../../../core/i18n';
 import { getUserScopedStorageKey } from '../../../../core/storage/current-user-storage';
 import { ElectronBridgeService } from '../../../../core/platform/electron/electron-bridge.service';
 import { jsonStorage } from '../../../../infrastructure/persistence/json-storage.service';
@@ -79,6 +80,7 @@ export class PluginStoreService {
   private readonly registry = inject(PluginRegistryService);
   private readonly serverDirectory = inject(ServerDirectoryFacade, { optional: true });
   private readonly store = inject(Store, { optional: true });
+  private readonly appI18n = inject(AppI18nService);
   private readonly currentRoom = this.store?.selectSignal(selectCurrentRoom) ?? null;
   private readonly currentRoomId = this.store?.selectSignal(selectCurrentRoomId) ?? null;
   private readonly currentRoomName = this.store?.selectSignal(selectCurrentRoomName) ?? null;
@@ -442,19 +444,25 @@ export class PluginStoreService {
       : 'installed';
   }
 
-  getActionLabel(plugin: PluginStoreEntry): PluginStoreActionLabel {
+  getActionLabel(plugin: PluginStoreEntry): string {
     const state = this.getInstallState(plugin);
     const serverScoped = getStoreEntryInstallScope(plugin) === 'server';
 
     if (state === 'updateAvailable') {
-      return serverScoped ? 'Update Server' : 'Update';
+      return serverScoped
+        ? this.appI18n.instant('plugins.store.actions.updateServer')
+        : this.appI18n.instant('plugins.store.actions.update');
     }
 
     if (state === 'installed') {
-      return serverScoped ? 'Remove from Server' : 'Uninstall';
+      return serverScoped
+        ? this.appI18n.instant('plugins.store.actions.removeFromServer')
+        : this.appI18n.instant('plugins.store.actions.uninstall');
     }
 
-    return serverScoped ? 'Install to Server' : 'Install';
+    return serverScoped
+      ? this.appI18n.instant('plugins.store.actions.installToServer')
+      : this.appI18n.instant('plugins.store.actions.install');
   }
 
   canInstallPlugin(plugin: PluginStoreEntry): boolean {

toju-app/src/app/domains/plugins/feature/plugin-action-menu/plugin-action-menu.component.html

@@ -2,19 +2,21 @@
   appThemeNode="contextMenuSurface"
   class="w-80 rounded-lg border border-border bg-card p-3 shadow-xl"
   role="menu"
-  aria-label="Plugin actions"
+  [attr.aria-label]="'plugins.actionMenu.menuAria' | translate"
   style="animation: profile-card-in 120ms cubic-bezier(0.2, 0, 0, 1) both"
 >
   <div class="mb-3 flex items-center justify-between gap-3">
     <div class="min-w-0">
-      <p class="text-sm font-semibold text-foreground">Plugins</p>
-      <p class="truncate text-xs text-muted-foreground">{{ actions().length }} available actions</p>
+      <p class="text-sm font-semibold text-foreground">{{ 'plugins.actionMenu.title' | translate }}</p>
+      <p class="truncate text-xs text-muted-foreground">
+        {{ 'plugins.actionMenu.availableActions' | translate: { count: actions().length } }}
+      </p>
     </div>
     <button
       type="button"
       class="grid h-7 w-7 shrink-0 place-items-center rounded-md text-muted-foreground transition-colors hover:bg-secondary hover:text-foreground"
-      aria-label="Close plugin menu"
-      title="Close"
+      [attr.aria-label]="'plugins.actionMenu.closeAria' | translate"
+      [title]="'plugins.actionMenu.close' | translate"
       (click)="close()"
     >
       <ng-icon
@@ -56,7 +58,7 @@
     </div>
   } @else {
     <p class="rounded-md border border-dashed border-border bg-background/40 px-3 py-4 text-center text-sm text-muted-foreground">
-      No plugin actions available.
+      {{ 'plugins.actionMenu.empty' | translate }}
     </p>
   }
 </div>

toju-app/src/app/domains/plugins/feature/plugin-action-menu/plugin-action-menu.component.ts

@@ -16,6 +16,7 @@ import { PluginRegistryService } from '../../application/services/plugin-registr
 import type { PluginUiContributionRecord } from '../../application/services/plugin-ui-registry.service';
 import { PluginUiRegistryService } from '../../application/services/plugin-ui-registry.service';
 import { ThemeNodeDirective } from '../../../theme';
+import { APP_TRANSLATE_IMPORTS } from '../../../../core/i18n';
 
 @Component({
   selector: 'app-plugin-action-menu',
@@ -23,7 +24,8 @@ import { ThemeNodeDirective } from '../../../theme';
   imports: [
     CommonModule,
     NgIcon,
-    ThemeNodeDirective
+    ThemeNodeDirective,
+    ...APP_TRANSLATE_IMPORTS
   ],
   viewProviders: [provideIcons({ lucideX })],
   templateUrl: './plugin-action-menu.component.html'