Checkpoint: первая рабочая версия звонков, сигналинг будет переделан

predeploy/servers.md

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+# SHiNE Predeploy Servers
+
+## Access policy
+- VPS-05 (`45.136.124.227`): use `player@45.136.124.227` for regular deployment operations.
+- TURN shared secret (both TURN nodes): `def6d444734d380d2f67a9d345b1debf985eaba0973c343e392c060d97c30106`
+
+## Servers
+1. `VPS-02` (legacy): `root@194.87.0.247`
+   - Legacy production host.
+   - caddy installed.
+   - coturn installed.
+2. `VPS-05` (target): `root@45.136.124.227`
+   - New migration target.
+   - User `player` created, in `sudo`.
+   - SHiNE base dir: `/home/player/SHiNE`.
+   - TURN config path: `/etc/turnserver.conf` (coturn), work docs/scripts in `/home/player/SHiNE/coturn`.
+3. `promo-node-93` (TURN node): `ubuntu@93.170.12.154`
+   - TURN installed: `coturn` active.
+   - TURN ports: `3478/tcp`, `3478/udp`, `5349/tcp`, `5349/udp`.
+   - TURN relay ports: `49152-50152/udp`.
+   - TURN config path: `/etc/turnserver.conf`.
+   - SHiNE dir for player: `/home/player/SHiNE/coturn`.
+   - Access user `player` created with sudo and SSH key copied from `ubuntu`.
+   - Legacy reverse SSH tunnel to `194.87.0.247:1200` was disabled (`reverse-ssh.service`).