diff --git a/packaging/linux.spec b/packaging/linux.spec
index ab27315..9ee5b7a 100644
--- a/packaging/linux.spec
+++ b/packaging/linux.spec
@@ -10,7 +10,13 @@ block_cipher = None
 
 # customtkinter ships JSON themes + assets that must be bundled
 import customtkinter
+import setuptools
+
 ctk_path = os.path.dirname(customtkinter.__file__)
+_vendor = os.path.join(os.path.dirname(setuptools.__file__), '_vendor')
+_setuptools_vendor = (
+    [(_vendor, os.path.join('setuptools', '_vendor'))]
+    if os.path.isdir(_vendor) else [])
 
 # Collect gi (PyGObject) submodules and data so pystray._appindicator works
 gi_hiddenimports = collect_submodules('gi')
@@ -26,7 +32,7 @@ a = Analysis(
     [os.path.join(os.path.dirname(SPEC), os.pardir, 'linux.py')],
     pathex=[],
     binaries=[],
-    datas=[(ctk_path, 'customtkinter/')] + gi_datas + typelib_datas,
+    datas=[(ctk_path, 'customtkinter/')] + _setuptools_vendor + gi_datas + typelib_datas,
     hiddenimports=[
         'pystray._appindicator',
         'PIL._tkinter_finder',
@@ -35,6 +41,7 @@ a = Analysis(
         'cryptography.hazmat.primitives.ciphers.algorithms',
         'cryptography.hazmat.primitives.ciphers.modes',
         'cryptography.hazmat.backends.openssl',
+        'platformdirs',
         'gi',
         '_gi',
         'gi.repository.GLib',
diff --git a/packaging/macos.spec b/packaging/macos.spec
index 5f38945..cd9f132 100644
--- a/packaging/macos.spec
+++ b/packaging/macos.spec
@@ -5,11 +5,18 @@ import os
 
 block_cipher = None
 
+import setuptools
+
+_vendor = os.path.join(os.path.dirname(setuptools.__file__), '_vendor')
+_macos_datas = (
+    [(_vendor, os.path.join('setuptools', '_vendor'))]
+    if os.path.isdir(_vendor) else [])
+
 a = Analysis(
     [os.path.join(os.path.dirname(SPEC), os.pardir, 'macos.py')],
     pathex=[],
     binaries=[],
-    datas=[],
+    datas=_macos_datas,
     hiddenimports=[
         'rumps',
         'objc',
@@ -21,6 +28,7 @@ a = Analysis(
         'cryptography.hazmat.primitives.ciphers.algorithms',
         'cryptography.hazmat.primitives.ciphers.modes',
         'cryptography.hazmat.backends.openssl',
+        'platformdirs',
     ],
     hookspath=[],
     hooksconfig={},
diff --git a/packaging/windows.spec b/packaging/windows.spec
index 1c8dd81..cdd810f 100644
--- a/packaging/windows.spec
+++ b/packaging/windows.spec
@@ -7,13 +7,21 @@ block_cipher = None
 
 # customtkinter ships JSON themes + assets that must be bundled
 import customtkinter
+import setuptools
+
 ctk_path = os.path.dirname(customtkinter.__file__)
+# pkg_resources (pyi_rth_pkgres) prepends setuptools/_vendor to sys.path and
+# imports jaraco.* from there; frozen builds need the tree on disk.
+_vendor = os.path.join(os.path.dirname(setuptools.__file__), '_vendor')
+_bundle_datas = [(ctk_path, 'customtkinter/')]
+if os.path.isdir(_vendor):
+    _bundle_datas.append((_vendor, os.path.join('setuptools', '_vendor')))
 
 a = Analysis(
     [os.path.join(os.path.dirname(SPEC), os.pardir, 'windows.py')],
     pathex=[],
     binaries=[],
-    datas=[(ctk_path, 'customtkinter/')],
+    datas=_bundle_datas,
     hiddenimports=[
         'pystray._win32',
         'PIL._tkinter_finder',
@@ -22,6 +30,7 @@ a = Analysis(
         'cryptography.hazmat.primitives.ciphers.algorithms',
         'cryptography.hazmat.primitives.ciphers.modes',
         'cryptography.hazmat.backends.openssl',
+        'platformdirs',
     ],
     hookspath=[],
     hooksconfig={},
diff --git a/proxy/tg_ws_proxy.py b/proxy/tg_ws_proxy.py
index 21ba025..713c6ab 100644
--- a/proxy/tg_ws_proxy.py
+++ b/proxy/tg_ws_proxy.py
@@ -234,8 +234,15 @@ class RawWebSocket:
         await self.writer.drain()
 
     async def recv(self) -> Optional[bytes]:
+        """
+        Return one complete WebSocket data message (RFC 6455), reassembling
+        fragmented BINARY/TEXT frames. Control frames may appear between
+        fragments and are handled without breaking reassembly.
+        """
+        fragments: Optional[List[bytes]] = None
+
         while not self._closed:
-            opcode, payload = await self._read_frame()
+            opcode, payload, fin = await self._read_frame()
 
             if opcode == self.OP_CLOSE:
                 self._closed = True
@@ -260,8 +267,38 @@ class RawWebSocket:
             if opcode == self.OP_PONG:
                 continue
 
+            # Continuation — only valid inside a fragmented message
+            if opcode == 0:
+                if fragments is None:
+                    self._closed = True
+                    try:
+                        self.writer.close()
+                        await self.writer.wait_closed()
+                    except Exception:
+                        pass
+                    return None
+                fragments.append(payload)
+                if fin:
+                    out = b''.join(fragments)
+                    fragments = None
+                    return out
+                continue
+
             if opcode in (0x1, 0x2):
-                return payload
+                if fragments is not None:
+                    self._closed = True
+                    try:
+                        self.writer.close()
+                        await self.writer.wait_closed()
+                    except Exception:
+                        pass
+                    return None
+                if fin:
+                    return payload
+                fragments = [payload]
+                continue
+
+            # Reserved / unknown data opcodes — skip frame, keep reading
             continue
         return None
 
@@ -300,8 +337,9 @@ class RawWebSocket:
             return _st_BBH4s.pack(fb, 0x80 | 126, length, mask_key) + masked
         return _st_BBQ4s.pack(fb, 0x80 | 127, length, mask_key) + masked
 
-    async def _read_frame(self) -> Tuple[int, bytes]:
+    async def _read_frame(self) -> Tuple[int, bytes, bool]:
         hdr = await self.reader.readexactly(2)
+        fin = bool(hdr[0] & 0x80)
         opcode = hdr[0] & 0x0F
         length = hdr[1] & 0x7F
         if length == 126:
@@ -311,9 +349,9 @@ class RawWebSocket:
         if hdr[1] & 0x80:
             mask_key = await self.reader.readexactly(4)
             payload = await self.reader.readexactly(length)
-            return opcode, _xor_mask(payload, mask_key)
+            return opcode, _xor_mask(payload, mask_key), fin
         payload = await self.reader.readexactly(length)
-        return opcode, payload
+        return opcode, payload, fin
 
 
 def _human_bytes(n: int) -> str: