统一技能安装与 Skills 市场接入链路。

新增公开安装工具与多来源 provider 支持，补齐管理端与目录加载逻辑，并同步更新相关测试与文档以保证可见性和路径安全。

Made-with: Cursor

tests/test_skills_install_public_tool_visibility.py

@@ -0,0 +1,10 @@
+from __future__ import annotations
+
+from oclaw.runtime.tools.catalog import default_registry
+
+
+def test_skill_install_public_tools_hidden_for_specialist_auto_only() -> None:
+    names = [t.name for t in default_registry(expert="network_ops+memory", specialist="ops").list()]
+    assert "skill_market_install" not in names
+    assert "skill_registry_install" not in names
+