Add dynamic inventory configuration

- Add development environment inventory structure
- Configure libvirt/KVM inventory plugin for VM management
- Add grokbox hypervisor host configuration
- Include existing VM hosts (pihole, mymx, derp)
- Set up SSH ProxyJump through grokbox for all VMs

inventories/development/libvirt_kvm.yml

@@ -0,0 +1,56 @@
+---
+# =============================================================================
+# Libvirt/KVM Dynamic Inventory Configuration
+# =============================================================================
+# Configuration for libvirt_kvm dynamic inventory plugin
+# =============================================================================
+
+plugin: libvirt_kvm
+
+# Hypervisor Connections
+# -----------------------------------------------------------------------------
+# List of libvirt hypervisors to query
+hypervisors:
+  - name: grokbox
+    uri: "qemu+ssh://grok@grok.home.serneels.xyz/system"
+    proxy_jump: true
+    description: "Primary KVM hypervisor"
+
+# Grouping Configuration
+# -----------------------------------------------------------------------------
+# Automatically create groups based on VM characteristics
+compose:
+  # Set ansible_host from IP address if available
+  ansible_host: vm_ip_address | default(omit)
+
+groups:
+  # Group by VM state
+  running_vms: vm_state == 'running'
+  stopped_vms: vm_state != 'running'
+
+  # Group by resource allocation
+  small_vms: vm_memory_mb <= 2048
+  medium_vms: vm_memory_mb > 2048 and vm_memory_mb <= 8192
+  large_vms: vm_memory_mb > 8192
+
+  # Group by hypervisor
+  grokbox_guests: hypervisor == 'grokbox'
+
+# Keyed Groups
+# -----------------------------------------------------------------------------
+# Create dynamic groups based on host variables
+keyed_groups:
+  - key: vm_state
+    prefix: state
+    separator: "_"
+
+  - key: hypervisor
+    prefix: hypervisor
+    separator: "_"
+
+# Filters
+# -----------------------------------------------------------------------------
+# Only include running VMs by default (can be overridden)
+# strict: false
+# include_vms:
+#   - running