fix: restore note window opening

src/utils/openNoteWindow.ts

@@ -3,6 +3,7 @@ import { shouldUseLinuxWindowChrome } from './platform'
 import { rememberNoteWindowParams } from './windowMode'
 
 const MACOS_TRAFFIC_LIGHT_POSITION = { x: 18, y: 24 } as const
+const APP_ORIGIN_PROTOCOLS = new Set(['http:', 'https:'])
 
 export function buildNoteWindowUrl(notePath: string, vaultPath: string, noteTitle: string, windowLabel?: string): string {
   const params = new URLSearchParams({
@@ -19,6 +20,21 @@ export function buildNoteWindowUrl(notePath: string, vaultPath: string, noteTitl
   return `/?${params.toString()}`
 }
 
+function resolveNoteWindowUrlForRuntime(route: string): string {
+  if (!APP_ORIGIN_PROTOCOLS.has(window.location.protocol)) return route
+
+  return new URL(route, window.location.origin).toString()
+}
+
+export function buildRuntimeNoteWindowUrl(
+  notePath: string,
+  vaultPath: string,
+  noteTitle: string,
+  windowLabel?: string,
+): string {
+  return resolveNoteWindowUrlForRuntime(buildNoteWindowUrl(notePath, vaultPath, noteTitle, windowLabel))
+}
+
 /**
  * Opens a note in a new Tauri window with a minimal editor-only layout.
  * In browser mode (non-Tauri), this is a no-op.
@@ -32,7 +48,7 @@ export async function openNoteInNewWindow(notePath: string, vaultPath: string, n
   rememberNoteWindowParams(label, { notePath, vaultPath, noteTitle })
 
   new WebviewWindow(label, {
-    url: buildNoteWindowUrl(notePath, vaultPath, noteTitle, label),
+    url: buildRuntimeNoteWindowUrl(notePath, vaultPath, noteTitle, label),
     title: noteTitle,
     width: 800,
     height: 700,