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/commands/ddl_query.py

@@ -0,0 +1,100 @@
+"""DDL query commands — show table fields, read table data."""
+
+from __future__ import annotations
+
+from sapcli.cli.output import print_error, print_info
+
+
+def cmd_show_table(args, client) -> None:
+    """查看 DDIC 表字段结构。"""
+    table_name = args.name.upper()
+    print_info(f"查询表 {table_name} 的字段结构...")
+
+    fields = client.get_table_fields(table_name)
+
+    if not fields:
+        print_error(f"表 {table_name} 无字段信息")
+        return
+
+    print()
+    print("=" * 72)
+    print(f"  表 {table_name} — 字段结构")
+    print("=" * 72)
+    print(f"  {'字段名':<20} {'类型':<6} {'长度':<6} {'Key':<5} {'描述'}")
+    print("-" * 72)
+    for f in fields:
+        print(f"  {f['name']:<20} {f['type']:<6} {f['length']:<6} {f['key_attribute']:<5} {f['description']}")
+    print("-" * 72)
+    print(f"  共 {len(fields)} 个字段")
+    print()
+
+
+def cmd_read_table(args, client) -> None:
+    """查询表数据（ADT freestyle SQL）。"""
+    table_name = args.name.upper()
+    max_rows = getattr(args, "max_rows", 200)
+    where = getattr(args, "where", None)
+    fields = getattr(args, "fields", None)
+
+    select = fields if fields else "*"
+    sql = f"SELECT {select} FROM {table_name}"
+    if where:
+        sql += f" WHERE {where}"
+    sql += f" UP TO {max_rows} ROWS"
+
+    print_info(f"执行 SQL: {sql}")
+
+    result = client.query_table_data(sql, max_rows=max_rows)
+
+    columns = result["columns"]
+    rows = result["rows"]
+    total = result["total_rows"]
+
+    if not rows:
+        print()
+        print_error(f"表 {table_name} 无数据（{total} 行）")
+        print()
+        return
+
+    # 计算列宽
+    col_widths = []
+    for i, col in enumerate(columns):
+        max_w = len(col)
+        for row in rows:
+            if i < len(row):
+                max_w = max(max_w, min(len(str(row[i])), 40))
+        col_widths.append(max_w + 2)
+
+    # 限制总宽度
+    total_width = sum(col_widths) + len(columns) + 1
+    if total_width > 200:
+        # 截断过宽的列
+        scale = 200 / total_width
+        col_widths = [max(int(w * scale), 6) for w in col_widths]
+
+    sep = "+" + "+".join("-" * w for w in col_widths) + "+"
+
+    print()
+    print(sep)
+    # 表头
+    header = "|"
+    for i, col in enumerate(columns):
+        w = col_widths[i] if i < len(col_widths) else 10
+        header += f" {col:<{w-1}}|"
+    print(header)
+    print(sep)
+
+    # 数据行
+    for row in rows:
+        line = "|"
+        for i, val in enumerate(row):
+            w = col_widths[i] if i < len(col_widths) else 10
+            s = str(val)[:w-1]
+            line += f" {s:<{w-1}}|"
+        print(line)
+
+    print(sep)
+    exec_time = result.get("execution_time", "")
+    time_info = f" ({exec_time}ms)" if exec_time else ""
+    print(f"  {len(rows)} 行{time_info}")
+    print()