feat: initial openclaw workspace

Agent identity, bootstrap config, tool definitions and heartbeat
for the OpenClaw AI assistant (sundol). Fresh start.

.gitignore

@@ -0,0 +1,14 @@
+# Runtime state
+.openclaw/
+
+# Memory logs (may contain tokens / personal data)
+memory/
+
+# Python
+__pycache__/
+*.py[cod]
+.venv/
+venv/
+
+# OS
+.DS_Store