feat(ift): EventHub AI Router stack for Zed

FastAPI gateway with A/B/C lane orchestration, LiteLLM proxy config,
Swarm stack (postgres, redis, VPN off-by-default), deploy/smoke/audit scripts.

vless/Dockerfile

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+FROM thejohnd0e/vless-to-http:latest
+
+# vless.conf mounted via Swarm secret at /app/vless.conf

vless/vless.conf.example

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+# Example VLESS config — copy to vless.conf and fill, or use Swarm secret vless_conf
+# Format: see https://github.com/thejohnd0e/VLESS-to-HTTP
+
+vless://UUID@host:port?encryption=none&security=tls&sni=example.com#label