dependencies: add shared lemonade-ready readiness check

playbooks/dependencies/checks/lemonade-ready.md

@@ -0,0 +1,43 @@
+<!--
+Copyright Advanced Micro Devices, Inc.
+
+SPDX-License-Identifier: MIT
+-->
+<!--
+Shared Lemonade server readiness gate. Add "@require:lemonade-ready" before a step that
+talks to the Lemonade server so it waits for the server to be ready.
+-->
+
+<!-- @os:windows -->
+<!-- @test:id=lemonade-ready-windows timeout=300 hidden=True -->
+```powershell
+$health = $null
+for ($i = 0; $i -lt 120; $i++) {
+  $health = curl.exe -sf --max-time 2 http://127.0.0.1:13305/api/v1/health
+  if ($health) { break }
+  Start-Sleep -Seconds 1
+}
+if (-not $health) { throw "Lemonade server not ready on http://127.0.0.1:13305/api/v1/health" }
+Write-Host "OK: Lemonade server is ready"
+```
+<!-- @test:end -->
+<!-- @os:end -->
+
+<!-- @os:linux -->
+<!-- @test:id=lemonade-ready-linux timeout=300 hidden=True -->
+```bash
+set -euo pipefail
+health=""
+for i in $(seq 1 120); do
+  health="$(curl -sf --max-time 2 http://127.0.0.1:13305/api/v1/health || true)"
+  if [ -n "$health" ]; then break; fi
+  sleep 1
+done
+if [ -z "$health" ]; then
+  echo "Lemonade server not ready on http://127.0.0.1:13305/api/v1/health"
+  exit 1
+fi
+echo "OK: Lemonade server is ready"
+```
+<!-- @test:end -->
+<!-- @os:end -->

playbooks/dependencies/registry.json

@@ -1,6 +1,6 @@
 {
   "$schema": "./registry.schema.json",
-  "description": "Central registry of pre-installed software dependencies and setup steps for AMD Halo Developer Platform",
+  "description": "Central registry of shared require-able blocks (install dependencies, models, setup steps, and runtime checks)",
   "dependencies": {
     "comfyui": {
       "name": "ComfyUI",
@@ -79,6 +79,17 @@
         "windows": ["halo_box"]
       }
     },
+    "lemonade-ready": {
+      "name": "Lemonade Readiness Check",
+      "description": "Waits for the Lemonade server to be reachable before dependent steps run",
+      "category": "check",
+      "platforms": ["windows", "linux"],
+      "file": "checks/lemonade-ready.md",
+      "preinstalled": {
+        "linux": [],
+        "windows": []
+      }
+    },
     "gaia": {
       "name": "GAIA",
       "description": "AMD framework for building AI agents on local hardware",

playbooks/supplemental/hermes-lemonade-server/README.md

@@ -85,6 +85,7 @@ lemonade pull Qwen3.6-35B-A3B-GGUF
 
 Then load it with a large context window and save that setting for future runs:
 
+<!-- @require:lemonade-ready -->
 <!-- @test:id=lemonade-model-load timeout=900 -->
 ```bash
 lemonade unload

playbooks/supplemental/openclaw-lemonade-server/README.md

@@ -75,6 +75,7 @@ lemonade pull Qwen3.6-35B-A3B-GGUF
 
 Then load it with a large context window and save that setting for future runs:
 
+<!-- @require:lemonade-ready -->
 <!-- @test:id=lemonade-model-load timeout=900 -->
 ```bash
 lemonade unload