feat: add daily logging and improve workspace UI and ROS status

src/main/index.ts

@@ -1,4 +1,5 @@
 import { app, BrowserWindow, dialog, Menu, globalShortcut, ipcMain, screen, shell } from 'electron'
+import { appLog } from './appLogging'
 import { checkDockerStatus } from './dockerStatus'
 import { cameraRuntimeArtifacts } from './cameraRuntime'
 import { remoteModuleFilesScript } from './remoteModuleFiles'
@@ -12,7 +13,7 @@ import type { WebContents } from 'electron'
 import { spawn } from 'child_process'
 import * as pty from 'node-pty'
 import type { IPty } from 'node-pty'
-import { appendFileSync, createReadStream, createWriteStream, existsSync, mkdirSync } from 'fs'
+import { createReadStream, createWriteStream, existsSync } from 'fs'
 import { cp, mkdir, readdir, readFile, rename, rm, stat, writeFile } from 'fs/promises'
 import { homedir } from 'os'
 import { basename, dirname, join, relative, resolve } from 'path'
@@ -51,21 +52,12 @@ const rosBridgePort = 8765
 const exampleCodeRoot = resolve(homedir(), '다운로드', 'example-code')
 
 function writeRendererDiagnostic(kind: string, message: string): void {
-  try {
-    const logDirectory = app.getPath('logs')
-    mkdirSync(logDirectory, { recursive: true })
-    appendFileSync(
-      join(logDirectory, 'renderer.log'),
-      `[${new Date().toISOString()}] [${kind}] ${message}\n`,
-      'utf8',
-    )
-  } catch {
-    // Diagnostics must never interrupt the LMS window itself.
-  }
+  appLog.write(kind, message)
 }
 
 async function readAppDiagnostics(): Promise<{ path: string; content: string }> {
-  const logPath = join(app.getPath('logs'), 'renderer.log')
+  const logPath = appLog.path()
+  if (!logPath) return { path: '', content: '' }
 
   try {
     const content = await readFile(logPath, 'utf8')