chore: import upstream snapshot with attribution

sdk/python/smoke.py

@@ -0,0 +1,25 @@
+"""CI smoke test (not shipped — pyproject ships only officecli.py). On a runner
+without officecli on PATH, create() triggers auto_install (install.sh on unix,
+install.ps1 on Windows), proving the cross-platform provisioning + the pipe
+round-trip end to end. Exits non-zero on any failure."""
+import os
+import sys
+import tempfile
+
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+import officecli  # noqa: E402
+
+f = os.path.join(tempfile.gettempdir(), f"officecli-smoke-{os.getpid()}.xlsx")
+d = officecli.create(f, "--force")
+d.send({"command": "set", "path": "/Sheet1/A1", "props": {"text": "smoke-ok"}})
+g = d.send({"command": "get", "path": "/Sheet1/A1"})
+d.close()
+try:
+    os.unlink(f)
+except OSError:
+    pass
+
+if "smoke-ok" not in str(g):
+    print("python SDK smoke FAIL: A1 mismatch", g)
+    sys.exit(1)
+print("python SDK smoke PASS")