feat: sap-cli skill v2.1.0 — self-contained distributable package

- assets/: sap-cli source (v2.1.0, 26 commands, 16 object types)
- references/: tool constraints + error handling (self-contained)
- scripts/setup.py: one-click install/config/verify
- SKILL.md: full command reference + dual-platform install guide
- VERSION: 2.1.0

Built from D:/Codespace/sap-cli via scripts/pack_skill.py

assets/sapcli/utils/__init__.py

@@ -0,0 +1,5 @@
+"""sapcli 工具包"""
+
+from .xml_utils import xml_escape, ddl_escape
+
+__all__ = ["xml_escape", "ddl_escape"]

assets/sapcli/utils/xml_utils.py

@@ -0,0 +1,13 @@
+"""XML 安全转义工具"""
+
+import xml.sax.saxutils as _saxutils
+
+
+def xml_escape(s: str) -> str:
+    """转义 XML 特殊字符（包括双引号），用于属性值安全。"""
+    return _saxutils.escape(s, {'"': '"'})
+
+
+def ddl_escape(s: str) -> str:
+    """转义 DDL 字符串中的单引号（ABAP DDL 用两个单引号转义）。"""
+    return s.replace("'", "''")