In effect addeed socket recovery logic; added deubug hook

src/app.py

@@ -25,7 +25,7 @@ class Application(IPCServer):
             try:
                 self.create_ipc_listener()
             except Exception:
-                ...
+                self.socket_realization_check()
 
             if not self.is_ipc_alive:
                 for arg in unknownargs + [args.new_tab,]:
@@ -35,6 +35,16 @@ class Application(IPCServer):
 
                 raise AppLaunchException(f"{app_name} IPC Server Exists: Will send path(s) to it and close...")
 
+        self.setup_debug_hook()
+
+        Window(args, unknownargs)
+
+
+    def socket_realization_check(self):
+        self.send_test_ipc_message()
+        self.create_ipc_listener()
+
+    def setup_debug_hook(self):
         try:
             # kill -SIGUSR2 <pid> from Linux/Unix or SIGBREAK signal from Windows
             signal.signal(
@@ -44,5 +54,3 @@ class Application(IPCServer):
         except ValueError:
             # Typically: ValueError: signal only works in main thread
             ...
-
-        Window(args, unknownargs)