Initial commit: split VNOX monorepo into VNOX-Server

Unified server binary (vnox-serverd) combining:
- Gateway (TCP, auth, channels, sessions, SQLite)
- Voice-node (UDP relay, Opus, jitter buffer)

Standalone gateway (vnox-gateway) and voice-node (vnox-voice-node) preserved as sub-crates.

.github/.github/ISSUE_TEMPLATE/bug.md

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+---
+name: Bug report
+about: Something is broken
+labels: bug
+---
+
+## What happened
+
+<!-- Describe the bug clearly -->
+
+## Expected behavior
+
+<!-- What should have happened -->
+
+## Steps to reproduce
+
+1.
+2.
+3.
+
+## Environment
+
+- OS:
+- VNOX version:
+- LNEx version:
+- Install method: Docker / systemd / binary / built from source
+
+## Logs
+
+```
+paste relevant log lines here (VNOX_LOG=debug)
+```

.github/.github/ISSUE_TEMPLATE/protocol.md

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+---
+name: Protocol change proposal
+about: Propose a change to LNEx protocol
+labels: protocol
+---
+
+## Summary
+
+<!-- One paragraph: what changes and why -->
+
+## Motivation
+
+<!-- What problem does this solve? -->
+
+## Proposed change
+
+<!-- Be specific: packet format, new packet type, behavior change -->
+
+## Backward compatibility
+
+<!-- Is this a breaking change? How should old clients/servers behave? -->
+
+## Alternatives considered
+
+<!-- What else did you consider? -->

.github/.github/repo-metadata.md

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+# Vnox Repository Metadata
+
+## Description
+Self-hosted realtime voice and chat platform. Decentralized, lightweight, and moddable. Built on LNEx, a custom protocol for low-latency federated communication. Not Discord. Not TeamSpeak. Not cloud.
+
+## Topics / Tags
+- communication
+- voice-chat
+- rust
+- self-hosted
+- decentralized
+- real-time
+- low-latency
+- protocol
+- federated
+- lightweight
+- moddable
+- open-source
+- p2p
+- networking
+- gateway
+- voice-relay
+- chat
+- lnex
+
+## Short Descriptions
+
+### Primary (for GitHub repo description)
+Self-hosted realtime voice and chat on a custom low-latency protocol. Decentralized, lightweight, and extensible.
+
+### Secondary Options
+- Decentralized alternative to Discord for self-hosted deployment
+- Low-latency federated communication platform with custom LNEx protocol
+- Open-source voice and chat server written in Rust
+
+## Key Features
+- Self-hosted deployment
+- Decentralized architecture
+- Real-time voice and text communication
+- Low-latency protocol (LNEx)
+- Lightweight footprint
+- Extensible/moddable design
+- Federation support (Phase 3 roadmap)
+- Desktop client with egui UI
+- SQLite/PostgreSQL backend support
+
+## Technology Stack
+- **Language**: Rust (99.6%)
+- **Protocol**: LNEx (custom)
+- **Audio**: Opus codec
+- **Database**: SQLite (with PostgreSQL support planned)
+- **UI**: egui (desktop client)
+- **Transport**: TCP (gateway), UDP (voice relay)
+
+## Current Status
+- Phase 1: Implemented, not production-ready
+- Gateway: ✅ TCP listener, LNEx handshake, channels, chat, SQLite
+- Voice node: ✅ UDP relay, voice packet routing
+- Desktop client: ✅ egui UI, net layer, audio pipeline (partial)
+- LNEx protocol: ✅ Specified and implemented
+- Federation: 🔄 Planned (Phase 3)
+- Mobile client: 🔄 Planned (Phase 3)
+
+⚠️ **Security Warning**: Traffic in v0.1.x is unencrypted plaintext. Do not use in production.
+
+## License
+- **Code**: GPL-3.0
+- **Protocol**: CC0 (Public Domain)

.github/.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [main, dev]
+  pull_request:
+    branches: [main]
+
+env:
+  CARGO_TERM_COLOR: always
+  RUST_BACKTRACE: 1
+
+jobs:
+  check:
+    name: Check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust stable
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt, clippy
+
+      - name: Install system deps
+        run: sudo apt-get install -y libasound2-dev libopus-dev pkg-config
+
+      - name: Cache cargo
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: cargo fmt
+        run: cargo fmt --all -- --check
+
+      - name: cargo clippy
+        run: cargo clippy --all-targets --all-features -- -D warnings
+
+      - name: cargo build
+        run: cargo build --all
+
+      - name: cargo test
+        run: cargo test --workspace