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+# Justfile for hyperstack.rb — common VM and vLLM operations
+# Usage: just <recipe> [args]
+# Install: cargo install just
+
+set dotenv-load := false
+set shell := ["/bin/bash", "-cu"]
+
+# Path to the Ruby CLI script
+ruby := "ruby"
+hypr_dir := source_directory()
+hypr := ruby + " -I" + hypr_dir + "/lib " + hypr_dir + "/hyperstack.rb"
+
+# Default recipe: show help
+[private]
+default:
+    @just --list --unsorted
+
+# ── VM Lifecycle ─────────────────────────────────────────────────────────
+
+# Create VM1 (defaults to hyperstack-vm1.toml)
+create-vm1:
+    {{hypr}} --vm 1 create
+
+# Create VM2 (hyperstack-vm2.toml)
+create-vm2:
+    {{hypr}} --vm 2 create
+
+# Create both VMs concurrently
+create-both:
+    {{hypr}} --vm both create
+
+# Delete VM1
+delete-vm1:
+    {{hypr}} --vm 1 delete
+
+# Delete VM2
+delete-vm2:
+    {{hypr}} --vm 2 delete
+
+# Delete both VMs concurrently
+delete-both:
+    {{hypr}} --vm both delete
+
+# Recreate VM1 (delete then create, non-interactive)
+recreate-vm1: delete-vm1 create-vm1
+
+# Recreate VM2 (delete then create, non-interactive)
+recreate-vm2: delete-vm2 create-vm2
+
+# ── Observability ───────────────────────────────────────────────────────
+
+# Watch dashboard: auto-detects active VMs, updates every 5s
+watch:
+    {{hypr}} watch
+
+# Show status of VM1
+status-vm1:
+    {{hypr}} --vm 1 status
+
+# Show status of VM2
+status-vm2:
+    {{hypr}} --vm 2 status
+
+# Show status of all tracked VMs
+status-both:
+    {{hypr}} --vm both status
+
+# ── Testing ─────────────────────────────────────────────────────────────
+
+# Run inference tests against VM1
+test-vm1:
+    {{hypr}} --vm 1 test
+
+# Run inference tests against VM2
+test-vm2:
+    {{hypr}} --vm 2 test
+
+# Run inference tests against all active VMs
+test-all:
+    {{hypr}} test
+
+# ── Model Management ────────────────────────────────────────────────────
+
+# List available model presets for VM1
+model-list-vm1:
+    {{hypr}} --vm 1 model list
+
+# List available model presets for VM2
+model-list-vm2:
+    {{hypr}} --vm 2 model list
+
+# Switch VM1 to a named preset (requires VM to be running)
+model-switch-vm1 PRESET:
+    {{hypr}} --vm 1 model switch {{PRESET}}
+
+# Switch VM2 to a named preset (requires VM to be running)
+model-switch-vm2 PRESET:
+    {{hypr}} --vm 2 model switch {{PRESET}}
+
+# ── SSH Access ──────────────────────────────────────────────────────────
+
+# SSH into VM1 (reads public IP from state file)
+ssh-vm1:
+    @python3 -c "import json, subprocess, os; state = json.load(open(os.path.expanduser('{{hypr_dir}}/.hyperstack-vm1-state.json'))); subprocess.run(['ssh', '-i', '~/.ssh/id_rsa', '-o', 'StrictHostKeyChecking=accept-new', f\"ubuntu@{state['public_ip']}\"])" || echo "VM1 state file not found."
+
+# SSH into VM2 (reads public IP from state file)
+ssh-vm2:
+    @python3 -c "import json, subprocess, os; state = json.load(open(os.path.expanduser('{{hypr_dir}}/.hyperstack-vm2-state.json'))); subprocess.run(['ssh', '-i', '~/.ssh/id_rsa', '-o', 'StrictHostKeyChecking=accept-new', f\"ubuntu@{state['public_ip']}\"])" || echo "VM2 state file not found."
+
+# ── vLLM Logs ───────────────────────────────────────────────────────────
+
+# Tail vLLM container logs on VM1
+logs-vm1:
+    @python3 -c "import json, subprocess, os; state = json.load(open(os.path.expanduser('{{hypr_dir}}/.hyperstack-vm1-state.json'))); container = state.get('vllm_container_name', 'vllm_qwen36_27b'); subprocess.run(['ssh', '-i', '~/.ssh/id_rsa', '-o', 'StrictHostKeyChecking=accept-new', f\"ubuntu@{state['public_ip']}\", f'sudo docker logs -f {container}'])" || echo "VM1 state file not found."
+
+# Tail vLLM container logs on VM2
+logs-vm2:
+    @python3 -c "import json, subprocess, os; state = json.load(open(os.path.expanduser('{{hypr_dir}}/.hyperstack-vm2-state.json'))); container = state.get('vllm_container_name', 'vllm_qwen36_27b'); subprocess.run(['ssh', '-i', '~/.ssh/id_rsa', '-o', 'StrictHostKeyChecking=accept-new', f\"ubuntu@{state['public_ip']}\", f'sudo docker logs -f {container}'])" || echo "VM2 state file not found."
+
+# ── WireGuard ─────────────────────────────────────────────────────────────
+
+# Show local WireGuard tunnel status
+wg-status:
+    sudo wg show wg1
+
+# Restart local WireGuard tunnel
+wg-restart:
+    sudo systemctl restart wg-quick@wg1
+
+# ── Git helpers (optional) ────────────────────────────────────────────────
+
+# Show recent commits touching hyperstack files
+log:
+    git log --oneline -10 -- hyperstack-vm1.toml hyperstack-vm2.toml lib/hyperstack.rb wg1-setup.sh justfile