Renombrar FlotillasGPS a ADAN en todo el proyecto

deploy/services/adan-api.service

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+[Unit]
+Description=Sistema de ADAN - API Backend
+Documentation=https://github.com/tuorganizacion/adan
+After=network.target postgresql.service redis.service
+Wants=postgresql.service redis.service
+
+[Service]
+Type=exec
+User=root
+Group=root
+WorkingDirectory=/opt/adan/backend
+
+# Cargar variables de entorno
+EnvironmentFile=/opt/adan/.env
+
+# Comando de inicio
+# Uvicorn con multiples workers para produccion
+ExecStart=/opt/adan/backend/venv/bin/uvicorn \
+    app.main:app \
+    --host 0.0.0.0 \
+    --port 8000 \
+    --workers 4 \
+    --loop uvloop \
+    --http httptools \
+    --proxy-headers \
+    --forwarded-allow-ips='*' \
+    --access-log \
+    --log-level info
+
+# Reinicio automatico
+Restart=always
+RestartSec=5
+
+# Timeouts
+TimeoutStartSec=30
+TimeoutStopSec=30
+
+# Limites de recursos
+LimitNOFILE=65535
+LimitNPROC=4096
+
+# Seguridad
+NoNewPrivileges=true
+PrivateTmp=true
+ProtectSystem=strict
+ProtectHome=true
+ReadWritePaths=/opt/adan /var/log/adan /tmp
+
+# Logging
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=adan-api
+
+# Health check (systemd 253+)
+# WatchdogSec=30
+
+[Install]
+WantedBy=multi-user.target