Implement stable Sable gravity frame physics

.codex/config.toml

@@ -0,0 +1,8 @@
+[mcp_servers.minecraft]
+# The development bridge is reachable through IPv4 loopback only.
+url = "http://127.0.0.1:8765/mcp"
+enabled = true
+required = false
+startup_timeout_sec = 10
+tool_timeout_sec = 120
+default_tools_approval_mode = "writes"