docs: reflect podman-compose on all nodes

Remove stale systemd unit and standalone podman run references.
All nodes now managed exclusively via compose.

README.md

@@ -197,44 +197,23 @@ stale_count INT        -- checks without new proxies
 
 ## Deployment
 
-### Systemd Service
-
-```ini
-[Unit]
-Description=PPF Python Proxy Finder
-After=network-online.target tor.service
-Wants=network-online.target
-
-[Service]
-Type=simple
-User=ppf
-WorkingDirectory=/opt/ppf
-# ppf.py is the main entry point (runs harvester + validator)
-ExecStart=/usr/bin/python2 ppf.py
-Restart=on-failure
-RestartSec=30
-
-[Install]
-WantedBy=multi-user.target
-```
-
 ### Container Deployment
 
-All nodes use `podman-compose` with role-specific compose files.
+All nodes use `podman-compose` with role-specific compose files
+(rootless, as `podman` user). `--network=host` required for Tor
+access at 127.0.0.1:9050.
 
 ```sh
 # Build image
 podman build -t ppf:latest .
 
-# Run standalone (single node)
-podman run -d --name ppf \
-  --network=host \
-  -v ./data:/app/data:Z \
-  -v ./config.ini:/app/config.ini:ro \
-  ppf:latest python ppf.py
-```
+# Start via compose
+podman-compose up -d
 
-Note: `--network=host` required for Tor access at 127.0.0.1:9050.
+# View logs / stop
+podman-compose logs -f
+podman-compose down
+```
 
 ### Operations Toolkit