diff --git a/fusion_iot/CLAUDE.md b/fusion_iot/CLAUDE.md
index 6cd35c5d..129d8372 100644
--- a/fusion_iot/CLAUDE.md
+++ b/fusion_iot/CLAUDE.md
@@ -11,11 +11,39 @@ and any other device Odoo's IoT framework supports.
 
 ```
 fusion_iot/
-├── iot_base/             # Repackaged from Odoo S.A. — shared JS utils
-├── iot/                  # Repackaged from Odoo S.A. — IoT Box mgmt models + UI
-└── fusion_plating_iot/   # Our wrapper — sensor→tank mapping + out-of-spec holds
+├── iot_base/                # Repackaged from Odoo S.A. — shared JS utils
+├── iot/                     # Repackaged from Odoo S.A. — IoT Box mgmt models + UI
+├── fusion_plating_iot/      # Our wrapper — sensor→tank mapping + out-of-spec holds
+├── pi/                      # Pi-side: lightweight systemd poller (no iot_drivers)
+│   ├── fp_iot_poller.py
+│   └── fp-iot-poller.service
+└── scripts/                 # One-shot setup + smoke tests
 ```
 
+## Live deployments
+
+### Pi #1 — pilot probe (DS18B20, Tank TK-EN-01)
+
+| Attribute | Value |
+|-----------|-------|
+| Hostname | `fp-iot-01` |
+| LAN IP | `192.168.10.112` |
+| **Tailscale IP** | **`100.108.41.97`** |
+| SSH | `ssh fp-iot-01` (aliased in `~/.ssh/config`, key-based via Tailscale — no password, no sshpass) |
+| User | `fp` |
+| Probe serial | `28-000000b276e4` (DS18B20) |
+| Poller service | `fp-iot-poller.service` — posts to entech every 30s |
+| Poller config | `/etc/fp-iot/poller.conf` |
+| Poller logs | `journalctl -u fp-iot-poller -f` |
+
+**Tailscale auth**: pre-authed to the `gurpreet6672@` tailnet. Survives reboots (`tailscaled` enabled).
+
+### entech LXC (Odoo server)
+
+- `iot_base` + `iot` + `fusion_plating_iot` all installed
+- Ingest endpoint: `POST http://10.200.1.26:8069/fp/iot/ingest`
+- Token lives in `ir.config_parameter['fusion_plating_iot.ingest_token']` — rotated via `scripts/fp_iot_setup_live_sensor.py` at setup time; rotate again in Settings → Technical → System Parameters as needed
+
 ## Repackaging notes — `iot_base` + `iot`
 
 Both copied as-is from `/Users/gurpreet/Github/RePackaged-Odoo/_dependencies/`