chore: import upstream snapshot with attribution

.agents/skills/python-scratchpad/references/examples.md

@@ -0,0 +1,45 @@
+# Python Scratchpad Examples
+
+Example: sum a list of numbers
+
+```python
+numbers = [14, 27, 31, 8]
+print(sum(numbers))
+```
+
+Expected structured result with `execute_code`:
+
+```json
+{
+  "ok": true,
+  "exit_code": 0,
+  "stdout": "80\n",
+  "stderr": ""
+}
+```
+
+Example: convert JSON to a sorted compact structure
+
+```python
+import json
+
+payload = {"b": 2, "a": 1, "nested": {"z": 3, "x": 2}}
+print(json.dumps(payload, sort_keys=True))
+```
+
+Example: count words in text
+
+```python
+text = "agent skills can trigger targeted workflows"
+print(len(text.split()))
+```
+
+Example: test a regex
+
+```python
+import re
+
+text = "Order IDs: ORD-100, BAD-7, ORD-215"
+matches = re.findall(r"ORD-\d+", text)
+print(matches)
+```