Don't launch app until user confirms on installer finish page

Removed early Exec from NSIS post-install hook. The app now only
launches when the user clicks Finish with the launch checkbox checked.
Hotkey daemon starts alongside via ensure_hotkeys_daemon().

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: avalonreset

src-tauri/hooks.nsh

@@ -77,8 +77,7 @@
       Goto model_retry
   model_exists:
 
-  ; --- Launch the main app (it will start the hotkey daemon automatically) ---
-  Exec '"$INSTDIR\hyperyap.exe"'
+  ; App launch is handled by the NSIS finish page checkbox (default: on)
 !macroend
 
 !macro NSIS_HOOK_POSTUNINSTALL