OpenSpec: разнести openspec по проектам

openspec/changes/archive/2026-09-06-add-vpn-tunnel-proxy/specs/tunnel-proxy/spec.md

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+# Delta for tunnel-proxy
+
+## ADDED Requirements
+
+### Requirement: Persistent SOCKS5 Tunnel
+The system MUST maintain a persistent SOCKS5 proxy tunnel from the host to VPS01, listening on 127.0.0.1:1080.
+
+#### Scenario: Tunnel starts on boot
+- GIVEN the host boots
+- WHEN systemd starts telegram-tunnel.service
+- THEN the tunnel listens on 127.0.0.1:1080
+- AND the SSH connection is established with key /mnt/yandex-disk/.ssh_box/timewebVPS
+
+#### Scenario: Tunnel dies
+- GIVEN the tunnel process exits unexpectedly
+- WHEN systemd detects failure
+- THEN the service restarts automatically (Restart=always)
+
+### Requirement: Tunnel Health Monitoring
+The system MUST verify tunnel liveness at least every 60 seconds.
+
+#### Scenario: Health check passes
+- GIVEN the tunnel is running
+- WHEN checking connectivity through 127.0.0.1:1080
+- THEN curl through the proxy returns HTTP 200 for a known endpoint
+
+#### Scenario: Health check fails
+- GIVEN the tunnel is down
+- WHEN the watchdog fires
+- THEN a notification is raised (no routine "all ok" messages)