Add a claudefile

.claude/CLAUDE.md

@@ -0,0 +1,19 @@
+# Egregore VPS
+
+NixOS configuration for egregore.leaf.ninja.
+
+## Commands
+
+- `just rebuild` - Rebuild and switch the target host
+- `ssh egregore` - User access over SSH
+
+## Structure
+
+- `configuration.nix` - Main NixOS configuration
+- `disks.nix` - Disko disk partitioning (BIOS/EFI hybrid)
+- `flake.nix` - Flake definition
+
+## Users
+
+- `root` - SSH key auth only (root@marauder key)
+- `nettika` - Normal user, wheel group, passwordless sudo, nix trusted-user