初始化：独立 oclaw 仓库首提交

- 在 oclaw/ 下重新初始化 Git 仓库
- 补齐子仓库 .gitignore，避免提交本地运行态数据（_local、node_modules、logs 等）
- 提交当前工程代码与配置

Made-with: Cursor

tools/public/system_time_tool.py

@@ -0,0 +1,32 @@
+from __future__ import annotations
+
+from datetime import datetime, timezone
+from typing import Any
+
+from oclaw.tools.base import ToolSpec
+
+
+def system_time_tool() -> ToolSpec:
+    def _handler(args: dict[str, Any]) -> dict[str, Any]:
+        del args
+        now = datetime.now(timezone.utc)
+        return {
+            "ok": True,
+            "utc_iso": now.isoformat().replace("+00:00", "Z"),
+            "unix_ms": int(now.timestamp() * 1000),
+        }
+
+    return ToolSpec(
+        name="system_time",
+        description="Return current system time (UTC).",
+        parameters={"type": "object", "properties": {}, "additionalProperties": False},
+        handler=_handler,
+        tags=frozenset({"system", "time", "read"}),
+        read_only=True,
+        risk_level="low",
+        timeout_s=2.0,
+    )
+
+
+__all__ = ["system_time_tool"]
+