v2.2 — ComfyUI Portrait Generation

Features:
- 🖼️ Portrait Button im Chat-Header
- /api/comfyui/status: Prüft ob ComfyUI läuft
- /api/character/{name}/portrait: Generiert Profilbild via ComfyUI
- comfyui_integration.py: ComfyUI API Client
  - NoobAI-XL Checkpoint
  - 25 Steps, DPM++ 2M Karras
  - 512x512 Portrait
  - Auto-Copy zu static/avatars/
- UI: Avatar wird nach Generierung ersetzt
- UI: Button zeigt Status (ComfyUI nicht erreichbar = ausgegraut)
- Workflow: Character-Beschreibung → ComfyUI Prompt → Bild → Avatar

Voraussetzung: ComfyUI muss auf localhost:8188 laufen

main.py

@@ -15,6 +15,8 @@ from fastapi.staticfiles import StaticFiles
 from fastapi.templating import Jinja2Templates
 from pydantic import BaseModel
 
+from comfyui_integration import is_comfyui_running, generate_portrait
+
 # === Konfiguration ===
 BASE_DIR = Path(__file__).parent
 CHARACTERS_DIR = BASE_DIR / "characters"
@@ -493,6 +495,30 @@ async def api_list_models():
     except:
         return JSONResponse({"models": [], "error": "Ollama nicht erreichbar"})
 
+@app.get("/api/comfyui/status")
+async def api_comfyui_status():
+    return JSONResponse({"running": is_comfyui_running()})
+
+@app.post("/api/character/{name}/portrait")
+async def api_generate_portrait(name: str, request: Request):
+    """Generiert ein Profilbild via ComfyUI."""
+    char = load_character(name)
+    
+    if not is_comfyui_running():
+        return JSONResponse({"error": "ComfyUI läuft nicht. Starte ComfyUI zuerst."}, status_code=503)
+    
+    body = await request.json() if request.headers.get("content-type") == "application/json" else {}
+    custom_prompt = body.get("prompt", "")
+    
+    # Build description from character data
+    desc = custom_prompt or f"{char.get('personality', '')}, {char.get('background', '')}"
+    
+    image_path = generate_portrait(name, desc)
+    if image_path:
+        return JSONResponse({"status": "ok", "image": image_path})
+    else:
+        return JSONResponse({"error": "Bildgenerierung fehlgeschlagen"}, status_code=500)
+
 if __name__ == "__main__":
     import uvicorn
     uvicorn.run(app, host="0.0.0.0", port=5252)