fix: resolve symlinks in project directory paths (#1316)

* fix: resolve symlinks in project directory paths

OpenCode stores sessions using the canonical (realpath) directory, but
OpenChamber passed the unresolved symlink path in several places. The
string-match directory filter would fail when a project was accessed via
a symlink, making sessions invisible.

Changes:

- Add safeRealpathSync to settings normalization — project paths and
  lastDirectory are canonicalized at persistence time
- Add Express middleware before the API proxy to resolve symlinks in
  ?directory= query params on in-flight requests
- Resolve symlinks in /api/fs/list so the directory browser returns
  canonical paths, allowing the "already added" check to work correctly
- Reconcile the in-memory projects store when the server responds with
  normalized paths, preventing temporary duplicates

Fixes #1315

* fix: avoid sync realpath in opencode proxy

---------

Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>

packages/ui/src/lib/persistence.ts

@@ -119,6 +119,13 @@ const persistToLocalStorage = (settings: DesktopSettings) => {
   }
 };
 
+const dispatchSettingsSynced = (settings: DesktopSettings): void => {
+  if (typeof window === 'undefined') {
+    return;
+  }
+  window.dispatchEvent(new CustomEvent<DesktopSettings>('openchamber:settings-synced', { detail: settings }));
+};
+
 type PersistApi = {
   hasHydrated?: () => boolean;
   onFinishHydration?: (callback: () => void) => (() => void) | undefined;
@@ -1165,9 +1172,7 @@ export const syncDesktopSettings = async (): Promise<void> => {
       console.warn('applyDesktopUiPreferences failed:', error);
     }
 
-    if (typeof window !== 'undefined') {
-      window.dispatchEvent(new CustomEvent<DesktopSettings>('openchamber:settings-synced', { detail: settings }));
-    }
+    dispatchSettingsSynced(settings);
   };
 
   try {
@@ -1198,6 +1203,7 @@ const _flushSettingsUpdate = async (): Promise<void> => {
       if (updated) {
         persistToLocalStorage(updated);
         applyDesktopUiPreferences(updated);
+        dispatchSettingsSynced(updated);
       }
       return;
     } catch (error) {
@@ -1224,6 +1230,7 @@ const _flushSettingsUpdate = async (): Promise<void> => {
     if (updated) {
       persistToLocalStorage(updated);
       applyDesktopUiPreferences(updated);
+      dispatchSettingsSynced(updated);
       // Invalidate GET cache so next read sees the fresh data
       _settingsCache = null;
     }