fix(P6): hoist savedPositionRef above initialTopMostIndex (TDZ) + auto-open DevTools in dev

apps/desktop/electron/main.ts

@@ -147,6 +147,17 @@ async function createWindow(): Promise<BrowserWindow> {
   attachWindowState(win, WINDOW_STATE_FILE);
 
   if (!app.isPackaged) {
+    // Auto-open DevTools in dev — the menu bar is stripped (Discord-style)
+    // so F12 / Ctrl+Shift+I have no chord; opening detached gives a
+    // separate inspector window for easy debugging.
+    win.webContents.openDevTools({ mode: 'detach' });
+    // Forward renderer console messages to the main-process stdout so
+    // errors during local dev are visible in the terminal too (helps when
+    // the inspector isn't focused).
+    win.webContents.on('console-message', (_event, level, message, line, sourceId) => {
+      const tag = level === 3 ? 'error' : level === 2 ? 'warn' : level === 1 ? 'log' : 'info';
+      console.log('[renderer ' + tag + ']', message, '(' + sourceId + ':' + line + ')');
+    });
     await win.loadURL(DEV_URL);
   } else {
     await win.loadFile(resolveRendererIndex());