docs(wiki): migrate to git-based workflow with persistent wiki/ clone

- Extract all wiki content from create_wiki_pages.py into docs/wiki/pages/*.md - Add docs/wiki/deploy_wiki.sh: copies pages to wiki/ repo, commits, pushes - Add /wiki/ to .gitignore (anchored — does not affect docs/wiki/) - 12 pages: Home, MCP-Servers-Overview, mcp-image-gen, ComfyUI-Setup, mcp-webscraper (8 tools incl. search_hint), BigMind (schema v8), Development-Conventions, Java-Projects, Java-wellmann-shop, Java-mss-failsafe, Java-Architecture, _Sidebar - Workflow: edit docs/wiki/pages/*.md → ./docs/wiki/deploy_wiki.sh
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+# ⚙️ ComfyUI Setup Guide (AMD ROCm)
+
+This guide covers installing ComfyUI with FLUX.1-schnell on a Fedora Linux system with an AMD GPU.
+
+## Prerequisites
+
+- AMD GPU with ROCm support (tested: RX 7900 XTX)
+- Fedora Linux (tested: Fedora 43 / kernel 6.19)
+- Python 3.11+
+- ~15GB free disk space (model weights)
+- HuggingFace account with FLUX license accepted
+
+## Step 1: Install ComfyUI
+
+ComfyUI is **not on PyPI** — must be cloned from source:
+
+```bash
+cd ~
+git clone https://github.com/comfyanonymous/ComfyUI
+cd ComfyUI
+python -m venv .venv
+source .venv/bin/activate
+
+# Install PyTorch ROCm build (CRITICAL for AMD GPUs)
+pip install torch torchvision --index-url https://download.pytorch.org/whl/rocm6.2
+
+# Install ComfyUI dependencies
+pip install -r requirements.txt
+```
+
+## Step 2: Download FLUX.1-schnell
+
+FLUX.1-schnell is **gated on HuggingFace** — you must:
+1. Create a HuggingFace account
+2. Accept the FLUX.1-schnell license at https://huggingface.co/black-forest-labs/FLUX.1-schnell
+3. Generate an access token at https://huggingface.co/settings/tokens
+
+```bash
+# Install huggingface_hub
+pip install huggingface_hub
+
+# Download model (requires HF token)
+huggingface-cli download black-forest-labs/FLUX.1-schnell \
+  flux1-schnell.safetensors \
+  --local-dir ~/ComfyUI/models/checkpoints \
+  --token YOUR_HF_TOKEN_HERE
+```
+
+## Step 3: Download VAE and CLIP Models
+
+FLUX.1-schnell also requires VAE and CLIP text encoders:
+
+```bash
+# VAE
+huggingface-cli download black-forest-labs/FLUX.1-schnell \
+  ae.safetensors \
+  --local-dir ~/ComfyUI/models/vae
+
+# CLIP models (T5 and CLIP-L)
+huggingface-cli download comfyanonymous/flux_text_encoders \
+  t5xxl_fp8_e4m3fn.safetensors clip_l.safetensors \
+  --local-dir ~/ComfyUI/models/clip
+```
+
+## Step 4: Start ComfyUI
+
+```bash
+cd ~/ComfyUI
+
+# AMD GPU REQUIRES this environment variable
+HSA_OVERRIDE_GFX_VERSION=11.0.0 \
+  nohup .venv/bin/python main.py --listen --port 8188 > /tmp/comfyui.log 2>&1 &
+
+echo "ComfyUI PID: $!"
+```
+
+> ⚠️ `HSA_OVERRIDE_GFX_VERSION=11.0.0` is mandatory for RX 7900 XTX on ROCm. Without it, model loading fails silently.
+
+## Step 5: Verify ComfyUI is Running
+
+```bash
+curl http://localhost:8188/system_stats
+# Should return JSON with GPU info
+```
+
+## Step 6: Configure mcp-image-gen
+
+```bash
+cd /home/pplate/pi_mcps/mcp/mcp-image-gen
+
+# Environment variables (set in .roo/mcp.json or shell):
+# COMFYUI_URL=http://localhost:8188
+# IMAGE_OUTPUT_DIR=~/Pictures/mcp-generated
+# COMFYUI_TIMEOUT=120
+```
+
+## Performance
+
+| GPU | Model | Resolution | Steps | Time |
+|---|---|---|---|---|
+| AMD RX 7900 XTX | FLUX.1-schnell | 1024×1024 | 4 | ~8s |
+| AMD RX 7900 XTX | FLUX.1-schnell | 1280×512 | 4 | ~7s |
+
+## Troubleshooting
+
+| Problem | Solution |
+|---|---|
+| `HTTP 401` downloading model | Accept FLUX license on HuggingFace first |
+| GPU not detected | Ensure `HSA_OVERRIDE_GFX_VERSION=11.0.0` is set |
+| `Connection refused` from mcp-image-gen | Start ComfyUI first, check port 8188 |
+| Slow generation (>60s) | ComfyUI may be running on CPU — check ROCm install |
+| Ollama image gen | As of April 2026: macOS-only, not available on Linux |