perf: Add ram metric

electron/app-metrics.ts

@@ -0,0 +1,23 @@
+import { app } from 'electron';
+
+export interface AppMetricsProcessSnapshot {
+  pid: number;
+  type: string;
+  workingSetKb: number | null;
+}
+
+export interface AppMetricsSnapshot {
+  collectedAt: number;
+  processes: AppMetricsProcessSnapshot[];
+}
+
+export function collectAppMetricsSnapshot(): AppMetricsSnapshot {
+  return {
+    collectedAt: Date.now(),
+    processes: app.getAppMetrics().map((metric) => ({
+      pid: metric.pid,
+      type: metric.type,
+      workingSetKb: metric.memory?.workingSetSize ?? null
+    }))
+  };
+}

electron/ipc/system.ts

@@ -60,6 +60,7 @@ import {
 } from '../data-management';
 import { listRunningProcessNames } from '../process-list';
 import { detectActiveGame } from '../game-detection';
+import { collectAppMetricsSnapshot } from '../app-metrics';
 
 const DEFAULT_MIME_TYPE = 'application/octet-stream';
 const MAX_ACTIVE_DESKTOP_NOTIFICATIONS = 20;
@@ -362,6 +363,8 @@ export function setupSystemHandlers(): void {
     return await stopLinuxScreenShareMonitorCapture(captureId);
   });
 
+  ipcMain.handle('get-app-metrics', () => collectAppMetricsSnapshot());
+
   ipcMain.handle('get-app-data-path', () => app.getPath('userData'));
   ipcMain.handle('open-current-data-folder', async () => await openCurrentDataFolder());
   ipcMain.handle('export-user-data', async () => await exportUserData());

electron/preload.ts

@@ -240,6 +240,14 @@ export interface ElectronAPI {
   stopLinuxScreenShareMonitorCapture: (captureId?: string) => Promise<boolean>;
   onLinuxScreenShareMonitorAudioChunk: (listener: (payload: LinuxScreenShareMonitorAudioChunkPayload) => void) => () => void;
   onLinuxScreenShareMonitorAudioEnded: (listener: (payload: LinuxScreenShareMonitorAudioEndedPayload) => void) => () => void;
+  getAppMetrics: () => Promise<{
+    collectedAt: number;
+    processes: {
+      pid: number;
+      type: string;
+      workingSetKb: number | null;
+    }[];
+  }>;
   getAppDataPath: () => Promise<string>;
   openCurrentDataFolder: () => Promise<boolean>;
   exportUserData: () => Promise<ExportUserDataResult>;
@@ -374,6 +382,7 @@ const electronAPI: ElectronAPI = {
       ipcRenderer.removeListener(LINUX_SCREEN_SHARE_MONITOR_AUDIO_ENDED_CHANNEL, wrappedListener);
     };
   },
+  getAppMetrics: () => ipcRenderer.invoke('get-app-metrics'),
   getAppDataPath: () => ipcRenderer.invoke('get-app-data-path'),
   openCurrentDataFolder: () => ipcRenderer.invoke('open-current-data-folder'),
   exportUserData: () => ipcRenderer.invoke('export-user-data'),

toju-app/src/app/core/platform/electron/electron-api.models.ts

@@ -233,6 +233,17 @@ export interface ActiveGameCandidateResult {
   fallbackProcessNames: string[];
 }
 
+export interface ElectronAppMetricsProcess {
+  pid: number;
+  type: string;
+  workingSetKb: number | null;
+}
+
+export interface ElectronAppMetricsSnapshot {
+  collectedAt: number;
+  processes: ElectronAppMetricsProcess[];
+}
+
 export interface ElectronApi {
   linuxDisplayServer: string;
   minimizeWindow: () => void;
@@ -251,6 +262,7 @@ export interface ElectronApi {
   stopLinuxScreenShareMonitorCapture: (captureId?: string) => Promise<boolean>;
   onLinuxScreenShareMonitorAudioChunk: (listener: (payload: LinuxScreenShareMonitorAudioChunkPayload) => void) => () => void;
   onLinuxScreenShareMonitorAudioEnded: (listener: (payload: LinuxScreenShareMonitorAudioEndedPayload) => void) => () => void;
+  getAppMetrics: () => Promise<ElectronAppMetricsSnapshot>;
   getAppDataPath: () => Promise<string>;
   openCurrentDataFolder: () => Promise<boolean>;
   exportUserData: () => Promise<ExportUserDataResult>;

toju-app/src/app/core/platform/electron/electron-app-metrics.rules.spec.ts

@@ -0,0 +1,67 @@
+import {
+  describe,
+  expect,
+  it
+} from 'vitest';
+
+import {
+  formatAppRamLabel,
+  formatKilobytesAsMegabytes,
+  sumWorkingSetKb
+} from './electron-app-metrics.rules';
+import type { ElectronAppMetricsSnapshot } from './electron-app-metrics.rules';
+
+function createSnapshot(
+  processes: ElectronAppMetricsSnapshot['processes']
+): ElectronAppMetricsSnapshot {
+  return {
+    collectedAt: 1,
+    processes
+  };
+}
+
+describe('sumWorkingSetKb', () => {
+  it('sums working set across processes that report memory', () => {
+    const total = sumWorkingSetKb([{ pid: 1, type: 'Browser', workingSetKb: 1024 }, { pid: 2, type: 'GPU', workingSetKb: 512 }]);
+
+    expect(total).toBe(1536);
+  });
+
+  it('ignores processes without memory readings', () => {
+    const total = sumWorkingSetKb([{ pid: 1, type: 'Browser', workingSetKb: 2048 }, { pid: 2, type: 'Unknown', workingSetKb: null }]);
+
+    expect(total).toBe(2048);
+  });
+
+  it('returns null when no process reports memory', () => {
+    expect(sumWorkingSetKb([{ pid: 1, type: 'Browser', workingSetKb: null }])).toBeNull();
+  });
+});
+
+describe('formatKilobytesAsMegabytes', () => {
+  it('rounds large values to whole megabytes', () => {
+    expect(formatKilobytesAsMegabytes(412 * 1024)).toBe('412 MB');
+  });
+
+  it('keeps one decimal for medium values', () => {
+    expect(formatKilobytesAsMegabytes(15.4 * 1024)).toBe('15.4 MB');
+  });
+
+  it('keeps two decimals for small values', () => {
+    expect(formatKilobytesAsMegabytes(1.25 * 1024)).toBe('1.25 MB');
+  });
+});
+
+describe('formatAppRamLabel', () => {
+  it('formats total working set as a compact RAM label', () => {
+    const browser = { pid: 1, type: 'Browser', workingSetKb: 300 * 1024 };
+    const gpu = { pid: 2, type: 'GPU', workingSetKb: 112 * 1024 };
+    const label = formatAppRamLabel(createSnapshot([browser, gpu]));
+
+    expect(label).toBe('412 MB');
+  });
+
+  it('returns null when metrics contain no memory readings', () => {
+    expect(formatAppRamLabel(createSnapshot([{ pid: 1, type: 'Browser', workingSetKb: null }]))).toBeNull();
+  });
+});

toju-app/src/app/core/platform/electron/electron-app-metrics.rules.ts

@@ -0,0 +1,46 @@
+export interface ElectronAppMetricsProcess {
+  pid: number;
+  type: string;
+  workingSetKb: number | null;
+}
+
+export interface ElectronAppMetricsSnapshot {
+  collectedAt: number;
+  processes: ElectronAppMetricsProcess[];
+}
+
+export function sumWorkingSetKb(processes: ElectronAppMetricsProcess[]): number | null {
+  let total = 0;
+  let hasAny = false;
+
+  for (const process of processes) {
+    if (process.workingSetKb == null || process.workingSetKb < 0)
+      continue;
+
+    total += process.workingSetKb;
+    hasAny = true;
+  }
+
+  return hasAny ? total : null;
+}
+
+export function formatKilobytesAsMegabytes(kilobytes: number): string {
+  const megabytes = kilobytes / 1024;
+
+  if (megabytes >= 100)
+    return `${Math.round(megabytes)} MB`;
+
+  if (megabytes >= 10)
+    return `${megabytes.toFixed(1)} MB`;
+
+  return `${megabytes.toFixed(2)} MB`;
+}
+
+export function formatAppRamLabel(snapshot: ElectronAppMetricsSnapshot): string | null {
+  const totalKb = sumWorkingSetKb(snapshot.processes);
+
+  if (totalKb == null)
+    return null;
+
+  return formatKilobytesAsMegabytes(totalKb);
+}

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

@@ -335,9 +335,7 @@
       ></textarea>
 
       @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="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>
       }

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

@@ -198,7 +198,9 @@
                               name="lucideImage"
                               class="h-5 w-5 text-primary"
                             />
-                            <span class="chat-image-grid-loading-label">{{ ((gridImage.receivedBytes || 0) * 100) / gridImage.size | number: '1.0-0' }}%</span>
+                            <span class="chat-image-grid-loading-label"
+                              >{{ ((gridImage.receivedBytes || 0) * 100) / gridImage.size | number: '1.0-0' }}%</span
+                            >
                           </div>
                         } @else {
                           <div class="chat-image-grid-cell chat-image-grid-loading">

toju-app/src/app/features/servers/servers-rail/servers-rail.component.html

@@ -1,4 +1,6 @@
-<nav class="relative flex h-full w-16 min-w-16 max-w-16 flex-col items-center gap-2 border-r border-border bg-secondary/35 px-0 py-3 md:min-w-0 md:max-w-none md:w-full">
+<nav
+  class="relative flex h-full w-16 min-w-16 max-w-16 flex-col items-center gap-2 border-r border-border bg-secondary/35 px-0 py-3 md:min-w-0 md:max-w-none md:w-full"
+>
   <!-- Home / dashboard button -->
   <button
     appThemeNode="serversRailCreateButton"

toju-app/src/app/features/settings/settings-modal/debugging-settings/debugging-settings.component.html

@@ -31,6 +31,22 @@
     </div>
   </section>
 
+  @if (isElectron) {
+    <section class="rounded-lg border border-border bg-secondary/20 px-4 py-3">
+      <div class="flex items-center justify-between gap-3">
+        <div class="flex items-center gap-2 text-muted-foreground">
+          <ng-icon
+            name="lucideMemoryStick"
+            class="h-4 w-4"
+          />
+          <span class="text-sm">Process RAM</span>
+        </div>
+        <span class="font-mono text-sm text-foreground">{{ ramLabel() ?? '—' }}</span>
+      </div>
+      <p class="mt-1 text-xs text-muted-foreground">Live total working set from Electron app metrics. Updates every 2 seconds.</p>
+    </section>
+  }
+
   <section class="grid gap-3 sm:grid-cols-3">
     <div class="rounded-lg border border-border bg-secondary/20 p-4">
       <div class="flex items-center gap-2 text-muted-foreground">

toju-app/src/app/features/settings/settings-modal/debugging-settings/debugging-settings.component.ts

@@ -1,19 +1,31 @@
+/* eslint-disable @typescript-eslint/member-ordering */
 import {
   Component,
+  DestroyRef,
   computed,
-  inject
+  inject,
+  signal
 } from '@angular/core';
+import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
 import { CommonModule } from '@angular/common';
 import { NgIcon, provideIcons } from '@ng-icons/core';
 import {
   lucideBug,
   lucideCircleAlert,
   lucideClock3,
+  lucideMemoryStick,
   lucideTrash2,
   lucideTriangleAlert
 } from '@ng-icons/lucide';
+import { interval } from 'rxjs';
+import { startWith, switchMap } from 'rxjs/operators';
 
 import { DebuggingService } from '../../../../core/services/debugging.service';
+import { ElectronBridgeService } from '../../../../core/platform/electron/electron-bridge.service';
+import { formatAppRamLabel } from '../../../../core/platform/electron/electron-app-metrics.rules';
+import { PlatformService } from '../../../../core/platform';
+
+const APP_METRICS_POLL_INTERVAL_MS = 2_000;
 
 @Component({
   selector: 'app-debugging-settings',
@@ -24,6 +36,7 @@ import { DebuggingService } from '../../../../core/services/debugging.service';
       lucideBug,
       lucideCircleAlert,
       lucideClock3,
+      lucideMemoryStick,
       lucideTrash2,
       lucideTriangleAlert
     })
@@ -31,8 +44,13 @@ import { DebuggingService } from '../../../../core/services/debugging.service';
   templateUrl: './debugging-settings.component.html'
 })
 export class DebuggingSettingsComponent {
+  private readonly destroyRef = inject(DestroyRef);
+  private readonly platform = inject(PlatformService);
+  private readonly electronBridge = inject(ElectronBridgeService);
   readonly debugging = inject(DebuggingService);
 
+  readonly isElectron = this.platform.isElectron;
+  readonly ramLabel = signal<string | null>(null);
   readonly enabled = this.debugging.enabled;
   readonly isConsoleOpen = this.debugging.isConsoleOpen;
   readonly entryCount = computed(() => {
@@ -54,6 +72,11 @@ export class DebuggingSettingsComponent {
     return lastEntry ? lastEntry.timeLabel : 'No logs yet';
   });
 
+  constructor() {
+    if (this.isElectron)
+      this.startRamPolling();
+  }
+
   onEnabledChange(event: Event): void {
     const input = event.target as HTMLInputElement;
 
@@ -67,4 +90,26 @@ export class DebuggingSettingsComponent {
   clearLogs(): void {
     this.debugging.clear();
   }
+
+  private startRamPolling(): void {
+    const api = this.electronBridge.getApi();
+
+    if (!api?.getAppMetrics)
+      return;
+
+    interval(APP_METRICS_POLL_INTERVAL_MS)
+      .pipe(
+        startWith(0),
+        switchMap(() => api.getAppMetrics()),
+        takeUntilDestroyed(this.destroyRef)
+      )
+      .subscribe({
+        next: (snapshot) => {
+          this.ramLabel.set(formatAppRamLabel(snapshot));
+        },
+        error: () => {
+          this.ramLabel.set(null);
+        }
+      });
+  }
 }