init: docker-migrate universal migration tool

migrate

@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+migrate — Docker Service Migration Tool
+Bootstrap: проверяет Python3 и запускает core/main.py
+"""
+
+import os
+import sys
+import subprocess
+import shutil
+import json
+import textwrap
+
+REQUIRED_PYTHON = (3, 8)
+
+
+def check_python():
+    if sys.version_info < REQUIRED_PYTHON:
+        print("[FATAL] Нужен Python >= 3.8")
+        sys.exit(1)
+
+
+def find_project_root():
+    script_dir = os.path.dirname(os.path.abspath(__file__))
+    possible = [script_dir, os.path.join(script_dir, "docker-migrate")]
+    for p in possible:
+        core = os.path.join(p, "core", "main.py")
+        if os.path.isfile(core):
+            return p
+    return None
+
+
+def main():
+    check_python()
+    root = find_project_root()
+    if not root:
+        print("[FATAL] Не найдена папка проекта (core/main.py)")
+        sys.exit(1)
+
+    core_path = os.path.join(root)
+    sys.path.insert(0, core_path)
+
+    try:
+        from core.main import main as core_main
+    except ImportError as e:
+        print(f"[FATAL] Не удалось загрузить ядро: {e}")
+        sys.exit(1)
+
+    core_main()
+
+
+if __name__ == "__main__":
+    main()