feat: add ComfyUI integration with Ansible playbook

- Add ComfyUI installation to Ansible playbook with 'comfyui' tag
- Create ComfyUI requirements.txt and start.sh script
- Clone ComfyUI from official GitHub repository
- Symlink HuggingFace cache for Flux model access
- ComfyUI runs on port 8188 with CORS enabled
- Add ComfyUI to services list in playbook

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

models/comfyui/requirements.txt

@@ -0,0 +1,12 @@
+torch
+torchvision
+torchaudio
+transformers
+diffusers
+accelerate
+safetensors
+omegaconf
+einops
+kornia
+spandrel
+soundfile

models/comfyui/start.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+#
+# ComfyUI Startup Script
+# Starts ComfyUI server on port 8188
+#
+
+WORKSPACE_DIR="${WORKSPACE_DIR:-/workspace}"
+COMFYUI_DIR="${WORKSPACE_DIR}/ComfyUI"
+HF_CACHE="${WORKSPACE_DIR}/huggingface_cache"
+
+# Set environment variables
+export PYTORCH_CUDA_ALLOC_CONF=expandable_segments:True
+export HF_HOME="${HF_CACHE}"
+
+# Navigate to ComfyUI directory
+cd "${COMFYUI_DIR}" || exit 1
+
+echo "Starting ComfyUI on port 8188..."
+echo "Access at: http://localhost:8188"
+echo "Using HuggingFace cache: ${HF_CACHE}"
+
+# Start ComfyUI with GPU support
+python3 main.py \
+  --listen 0.0.0.0 \
+  --port 8188 \
+  --enable-cors-header \
+  --preview-method auto
+
+echo "ComfyUI stopped"

playbook.yml

@@ -17,6 +17,7 @@
 #   python      - Python environment setup
 #   dependencies- Install Python packages
 #   models      - Download AI models
+#   comfyui     - Install and configure ComfyUI
 #   tailscale   - Install and configure Tailscale
 #   systemd     - Configure systemd services
 #   validate    - Health checks and validation
@@ -63,6 +64,9 @@
       - name: musicgen
         port: 8003
         script: models/musicgen/server.py
+      - name: comfyui
+        port: 8188
+        script: models/comfyui/start.sh
 
   tasks:
     #
@@ -154,6 +158,79 @@
             executable: pip3
           become: true
 
+    #
+    # ComfyUI Installation
+    #
+    - name: Install and configure ComfyUI
+      tags: [comfyui]
+      block:
+        - name: Check if ComfyUI is already installed
+          stat:
+            path: "{{ workspace_dir }}/ComfyUI"
+          register: comfyui_check
+
+        - name: Clone ComfyUI repository
+          git:
+            repo: https://github.com/comfyanonymous/ComfyUI.git
+            dest: "{{ workspace_dir }}/ComfyUI"
+            version: master
+            update: yes
+          when: not comfyui_check.stat.exists
+
+        - name: Install ComfyUI dependencies
+          pip:
+            requirements: "{{ workspace_dir }}/ComfyUI/requirements.txt"
+            executable: pip3
+          become: true
+
+        - name: Install additional ComfyUI dependencies
+          pip:
+            requirements: "{{ ai_dir }}/models/comfyui/requirements.txt"
+            executable: pip3
+          become: true
+
+        - name: Create ComfyUI models directory structure
+          file:
+            path: "{{ workspace_dir }}/ComfyUI/models/{{ item }}"
+            state: directory
+            mode: '0755'
+          loop:
+            - checkpoints
+            - unet
+            - vae
+            - loras
+            - clip
+            - controlnet
+
+        - name: Create symlink for Flux model in ComfyUI
+          file:
+            src: "{{ cache_dir }}"
+            dest: "{{ workspace_dir }}/ComfyUI/models/huggingface_cache"
+            state: link
+          ignore_errors: yes
+
+        - name: Make ComfyUI start script executable
+          file:
+            path: "{{ ai_dir }}/models/comfyui/start.sh"
+            mode: '0755'
+
+        - name: Display ComfyUI setup summary
+          debug:
+            msg: |
+              ✓ ComfyUI installed successfully!
+
+              Directory: {{ workspace_dir }}/ComfyUI
+              Port: 8188
+              HuggingFace Cache: {{ cache_dir }}
+
+              To start ComfyUI:
+              bash {{ ai_dir }}/models/comfyui/start.sh
+
+              Or manually:
+              cd {{ workspace_dir }}/ComfyUI && python3 main.py --listen 0.0.0.0 --port 8188
+
+              Access: http://localhost:8188
+
     #
     # Download AI Models
     #