# Setting up P1 (Basic Communication) on a NEW G1

This is the end-to-end procedure for bringing P1 up on a **fresh** Unitree G1 /
Jetson that has never run Sanad. The only genuinely new step vs. an existing
robot is the **license** — a license can be locked to one robot's hardware
fingerprint, so a new G1 needs its own `sanad.lic` (or an unbound one).

Roles:
- **Vendor side** (your workstation) — holds the Ed25519 **private** key
  (`licensing/privkey.ed25519`) and signs licenses. Never goes on the robot.
- **Robot side** (the new Jetson) — runs the container; carries only the signed
  `sanad.lic`. The **public** key is already baked into the image (the Dockerfile
  copies `vendor/sanad_pkg/pubkey.ed25519` to `/etc/sanad/pubkey.ed25519`).

---

## 0. Prerequisites on the new Jetson

```bash
# Docker present + your user can use it (re-login or `newgrp docker` after):
sudo usermod -aG docker "$USER"
# eth0 link to the G1 firmware up (needed for chest audio + DDS). Containers run
# network_mode: host, so the container sees the host eth0 / G1 link directly.
# Optional: plug a USB speaker/mic (Anker) if you'll use the `plugged` profile.
```

## 1. Get the package onto the robot (so it can build)

P1 is **self-contained** — it vendors the Sanad engine under `Sanad_Package_1/vendor`,
so you only copy the **package folder** (no `Sanad/` sibling, no `sanad-base`).
From the workstation:

```bash
rsync -az --exclude __pycache__ \
  Project/Packages/Sanad_Package_1 \
  unitree@<NEWROBOT>:~/sanad_deploy/
```

Everything P1 needs to build and run lives under `~/sanad_deploy/Sanad_Package_1`.

## 2. Build the image on the robot

```bash
cd ~/sanad_deploy/Sanad_Package_1
# Modern Docker (buildx):
docker compose build
# Jetson Docker without buildx:
DOCKER_BUILDKIT=0 docker build -t sanad-p1:latest .
```
The build vendors the engine and (by default, `WITH_UNITREE_SDK=1`) compiles the
chest-audio SDK — first build takes a few minutes; later builds are cached.

> **Alternative — registry (build once, deploy to many robots):** build the
> `linux/arm64` image on an x86 box with buildx + QEMU, push to a registry, then
> on each robot set `SANAD_IMAGE=<reg>/sanad-p1:<tag>` in `.env` and
> `docker compose pull` instead of building.

## 3. License THIS robot

Choose one:

### 3a. Unbound license (quick — runs on any robot)
Fine for internal / trial use. Keep `SANAD_LICENSE_BIND=0` and sign a license
with `"machine_fingerprint": null`. The signature + expiry are still enforced;
the hardware lock just isn't.

### 3b. Bound license (recommended for delivery — locked to this G1)
The fingerprint = `sha256(eth0 MAC | /etc/machine-id)`. **Inside a container,
`/etc/machine-id` is the image's, not the host's**, so for binding you must mount
the host's machine-id (step 4 does this) and compute the fingerprint the same way.

1. **Read the new robot's fingerprint on the host** (matches what the container
   will see once `/etc/machine-id` is mounted):
   ```bash
   cd ~/sanad_deploy/Sanad_Package_1
   PYTHONPATH=vendor python3 -c 'from sanad_pkg import license as L; print(L.machine_fingerprint())'
   ```
2. **On the workstation**, write `claims.json`:
   ```json
   {
     "robot_id": "G1-SN-XXXX",
     "machine_fingerprint": "<hex from step 1>",
     "packages": {"P1": true, "P2": false, "P3": false, "P4": false},
     "features": {"language": "ar"},
     "issued":  "2026-06-17",
     "expires": "2030-01-01"
   }
   ```
3. **Sign it** (private key never leaves the workstation):
   ```bash
   python licensing/sign_license.py sign \
     --key licensing/privkey.ed25519 --in claims.json --out sanad.lic
   ```
   (First time only, if no keypair yet: `python licensing/sign_license.py gen-keys --out-dir licensing`
   in the monorepo, then run `./sync_vendor.sh` so the new `pubkey.ed25519` is
   vendored into the package, and rebuild the image so it's baked in.)
4. **Copy to the robot:**
   ```bash
   scp sanad.lic unitree@<NEWROBOT>:~/sanad_deploy/Sanad_Package_1/license/sanad.lic
   ```

## 4. Configure `.env` and run

On the robot, `cd ~/sanad_deploy/Sanad_Package_1` and create `.env` from `.env.example`:

```ini
SANAD_LICENSE_FILE=./license/sanad.lic   # the one you signed (3b) — or sanad.lic.example
SANAD_LICENSE_BIND=1                      # 1 to enforce the fingerprint; 0 = unbound
SANAD_AUDIO_PROFILE=builtin               # chest mic+speaker | plugged for USB/Anker
SANAD_LANGUAGE=ar                         # optional; else license feature / persona
```

**If using a bound license (3b), uncomment the host machine-id mount** in the `p1`
service of `docker-compose.yml` so the container's fingerprint matches the host's:
```yaml
      - "/etc/machine-id:/etc/machine-id:ro"
```

Then:
```bash
docker compose up -d
docker compose logs -f      # should print "[P1] entitled — lang=… port=8011"
```
Dashboard: **http://&lt;NEWROBOT&gt;:8011**

## 5. First-use configuration (per customer)

P1 ships **keyless** (the vendor Gemini key is stripped from the image at build):
1. Open `:8011` → **Gemini API key** card → paste the customer's key (or
   `POST /api/p1/api-key`). It persists + restarts the live session.
2. **Persona** card → set who the robot is + the language/dialect (saving restarts
   the live session so it applies immediately).
3. **Audio** card → pick chest vs USB/Anker, volume, mute.

## 6. Verify

```bash
./test_p1.sh <NEWROBOT>:8011          # expect 11/11 PASS
curl http://<NEWROBOT>:8011/api/package
#   license.valid: true   packages: {"P1": true}   key: NONE (until added)
```
Then click **Start** in the Conversation card and speak — the robot should reply
through the chest (or USB) speaker.

## 7. Auto-run on boot (required for a delivered robot)

> **Important:** the compose default `restart: on-failure` only restarts P1 after
> a *crash* — it does **not** bring it back after a reboot/power-cycle. For
> auto-run you need a boot-surviving restart policy **and** the Docker daemon
> enabled at boot. Pick **one** of the two options below.

### Option A — Docker-native (simplest, no extra files)
The compose file already sets `restart: unless-stopped`, so you only need the
Docker daemon to start at boot:
```bash
sudo systemctl enable docker
docker compose up -d        # once; the container then returns on every boot
```
(If the policy was ever switched back to `on-failure`, restore boot-survival with
`docker update --restart unless-stopped sanad-p1`.) The container keeps coming
back until you explicitly `docker compose down`.

### Option B — systemd unit (clean start/stop/status, mirrors the Sanad unit)
Create `/etc/systemd/system/sanad-p1.service` (adjust `User=` and the path to
your deploy dir):
```ini
[Unit]
Description=Sanad Package 1 (Basic Communication) — Docker
Requires=docker.service
After=docker.service network-online.target
Wants=network-online.target

[Service]
Type=simple
User=unitree
WorkingDirectory=/home/unitree/sanad_deploy/Sanad_Package_1
ExecStart=/usr/bin/docker compose up
ExecStop=/usr/bin/docker compose down
Restart=on-failure
RestartSec=5
TimeoutStopSec=30
KillSignal=SIGINT

[Install]
WantedBy=multi-user.target
```
Install + enable:
```bash
sudo systemctl daemon-reload
sudo systemctl enable --now sanad-p1.service
systemctl status sanad-p1.service
journalctl -u sanad-p1.service -f          # watch logs
sudo systemctl restart sanad-p1.service    # after a license/config change
```
With Option B, systemd owns the lifecycle (runs `compose up` in the foreground and
`compose down` on stop), so don't also use `docker update --restart` — leave the
compose policy at `on-failure`.

### Verify auto-run
```bash
sudo reboot
# after it comes back:
curl http://<NEWROBOT>:8011/api/health     # expect 200 without touching anything
```

---

### Troubleshooting
- **Container exits immediately, log says "not licensed"** — signature/expiry/
  fingerprint failed. Check: license actually mounted at `/etc/sanad/sanad.lic`;
  `expires` in the future; if `SANAD_LICENSE_BIND=1`, the license fingerprint
  matches step 3b.1 **and** `/etc/machine-id` is mounted (step 4).
- **Fingerprint mismatch only under Docker** — you computed it on the host but
  didn't mount `/etc/machine-id`, so the container hashed a different machine-id.
  Add the mount (step 4) and re-read the fingerprint with the mount in place.
- **No chest audio** — the `builtin` profile needs the Unitree SDK in the image
  (`WITH_UNITREE_SDK=1`, the default) and eth0 reachable to the G1. As a fallback,
  plug a USB speaker/mic and set `SANAD_AUDIO_PROFILE=plugged` (works with no SDK).
- **`docker compose build` fails on buildx** — use the `DOCKER_BUILDKIT=0
  docker build …` commands in step 2.