fix: remove missing TEST.md reference from setup.py, fix test count

- setup.py referenced tests/TEST.md which doesn't exist, causing
  package build warnings
- SKILL.md test count was incorrect (18 unit → 12 unit)

siyuan/agent-harness/setup.py

@@ -12,8 +12,9 @@ setup(
     author="cli-anything",
     packages=find_namespace_packages(include=["cli_anything.*"]),
     package_data={
-        "cli_anything.siyuan": ["skills/*.md", "tests/TEST.md"],
+        "cli_anything.siyuan": ["skills/*.md"],
     },
+    include_package_data=True,
     python_requires=">=3.10",
     install_requires=[
         "click>=8.0",

skills/cli-anything-siyuan/SKILL.md

@@ -132,7 +132,7 @@ pytest cli_anything/siyuan/tests/test_core.py cli_anything/siyuan/tests/test_cli
 pytest cli_anything/siyuan/tests/ -v
 ```
 
-**33 tests** (18 unit + 15 CLI command tests + optional E2E tests against a live instance).
+**33 tests** (12 unit + 15 CLI command tests + 6 optional E2E tests against a live instance).
 
 ## Notes