chore: sync skill to v2.2.1

- NW 7.40 E2E-verified compatibility matrix in SKILL.md
- DDIC fixes: include namespace, tabletype exists check, DDIC delete lock Accept
- New commands: clone, enhancement, history, unit-test
- 665 tests, 96% coverage

assets/sapcli/commands/__init__.py

@@ -60,6 +60,18 @@ from sapcli.commands.upload import (
 from sapcli.commands.syntax_check import (
     cmd_syntax_check,
 )
+from sapcli.commands.unit_test import (
+    cmd_unit_test,
+)
+from sapcli.commands.history import (
+    cmd_history,
+)
+from sapcli.commands.clone import (
+    cmd_clone,
+)
+from sapcli.commands.enhancement import (
+    cmd_enhancement,
+)
 
 __all__ = [
     "cmd_create",
@@ -88,4 +100,8 @@ __all__ = [
     "cmd_activate",
     "cmd_upload",
     "cmd_syntax_check",
+    "cmd_unit_test",
+    "cmd_history",
+    "cmd_clone",
+    "cmd_enhancement",
 ]