Default to localhost for workstation install

- ConnectionPanel defaults host to localhost, blank username
- Backend OLLAMA_URL defaults to localhost:11434
- Systemd service reads /etc/llm-trainer/env for overrides

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/main.py

@@ -27,7 +27,7 @@ app.add_middleware(
     allow_headers=["*"],
 )
 
-OLLAMA_URL = os.getenv("OLLAMA_URL", "http://192.168.2.47:11434")
+OLLAMA_URL = os.getenv("OLLAMA_URL", "http://localhost:11434")
 
 
 # ──────────────────────────────────────────────────────────────────────────────

frontend/src/components/ConnectionPanel.jsx

@@ -4,8 +4,8 @@ import { Server, LogIn, LogOut, Key, Eye, EyeOff } from 'lucide-react'
 
 export default function ConnectionPanel({ onConnect, setStatus }) {
   const [form, setForm] = useState({
-    host: '192.168.2.47',
-    username: 'tocmo0nlord',
+    host: 'localhost',
+    username: '',
     password: '',
     key_path: '',
     port: 22,

packaging/build-deb.sh

@@ -88,6 +88,7 @@ Restart=always
 RestartSec=5
 StandardOutput=append:/var/log/llm-trainer/backend.log
 StandardError=append:/var/log/llm-trainer/backend.log
+EnvironmentFile=-/etc/llm-trainer/env
 Environment=PYTHONUNBUFFERED=1
 
 [Install]
@@ -137,6 +138,15 @@ fi
 chown -R llm-trainer:llm-trainer /opt/llm-trainer
 chown -R llm-trainer:llm-trainer /var/log/llm-trainer
 
+# Write default env config (only on first install)
+if [ ! -f /etc/llm-trainer/env ]; then
+  cat > /etc/llm-trainer/env <<'ENV'
+# LLM Trainer configuration
+# Override Ollama URL if it runs on a different host
+OLLAMA_URL=http://localhost:11434
+ENV
+fi
+
 # Build Python venv and install deps
 echo "Installing Python dependencies..."
 python3 -m venv /opt/llm-trainer/venv