Initial commit: ReTeamSpeak cross-platform TeamSpeak client

- tscore: Protocol implementation (packets, crypto, connection handshake)
- tsaudio: Audio engine (capture, playback, codec, VAD, jitter buffer)
- tsdb: SQLite database (identities, bookmarks, messages, settings)
- shared: Core types and events
- tauri-app: Tauri v2 desktop application with React frontend
- docs: SRS, SAD, SDD documentation
- CI/CD: GitHub Actions workflow
- 32 unit tests passing

.github/workflows/ci.yml

@@ -0,0 +1,219 @@
+name: CI/CD
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+  release:
+    types: [ created ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  # Test job
+  test:
+    name: Test (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        include:
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+          - os: windows-latest
+            target: x86_64-pc-windows-msvc
+          - os: macos-latest
+            target: x86_64-apple-darwin
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Install Rust
+      uses: dtolnay/rust-action/setup@v1
+      with:
+        targets: ${{ matrix.target }}
+
+    - name: Install system dependencies (Linux)
+      if: runner.os == 'Linux'
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y \
+          libdbus-1-dev \
+          pkg-config \
+          libgtk-3-dev \
+          libwebkit2gtk-4.1-dev \
+          libayatana-appindicator3-dev \
+          librsvg2-dev \
+          libssl-dev \
+          libasound2-dev
+
+    - name: Cache cargo
+      uses: actions/cache@v4
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+          src/target
+        key: ${{ runner.os }}-cargo-${{ hashFiles('src/Cargo.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-cargo-
+
+    - name: Check
+      working-directory: src
+      run: cargo check --workspace
+
+    - name: Test
+      working-directory: src
+      run: cargo test -p shared -p tscore -p tsaudio -p tsdb
+
+    - name: Clippy
+      working-directory: src
+      run: cargo clippy --workspace -- -D warnings
+      continue-on-error: true
+
+  # Build frontend
+  build-frontend:
+    name: Build Frontend
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '20'
+        cache: 'npm'
+        cache-dependency-path: src/tauri-app/frontend/package-lock.json
+
+    - name: Install dependencies
+      working-directory: src/tauri-app/frontend
+      run: npm ci
+
+    - name: Build
+      working-directory: src/tauri-app/frontend
+      run: npm run build
+
+    - name: Upload frontend artifact
+      uses: actions/upload-artifact@v4
+      with:
+        name: frontend-dist
+        path: src/tauri-app/frontend/dist/
+
+  # Build desktop apps
+  build-desktop:
+    name: Build Desktop (${{ matrix.platform }})
+    needs: [test, build-frontend]
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-latest
+            platform: linux
+            target: x86_64-unknown-linux-gnu
+            artifact: linux-amd64
+          - os: windows-latest
+            platform: windows
+            target: x86_64-pc-windows-msvc
+            artifact: windows-amd64
+          - os: macos-latest
+            platform: macos
+            target: x86_64-apple-darwin
+            artifact: macos-amd64
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Install Rust
+      uses: dtolnay/rust-action/setup@v1
+      with:
+        targets: ${{ matrix.target }}
+
+    - name: Install system dependencies (Linux)
+      if: matrix.platform == 'linux'
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y \
+          libdbus-1-dev \
+          pkg-config \
+          libgtk-3-dev \
+          libwebkit2gtk-4.1-dev \
+          libayatana-appindicator3-dev \
+          librsvg2-dev \
+          libssl-dev \
+          libasound2-dev
+
+    - name: Download frontend artifact
+      uses: actions/download-artifact@v4
+      with:
+        name: frontend-dist
+        path: src/tauri-app/frontend/dist/
+
+    - name: Cache cargo
+      uses: actions/cache@v4
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+          src/target
+        key: ${{ runner.os }}-cargo-${{ hashFiles('src/Cargo.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-cargo-
+
+    - name: Build
+      working-directory: src
+      run: cargo build --release
+
+    - name: Package (Linux)
+      if: matrix.platform == 'linux'
+      run: |
+        mkdir -p dist
+        cp src/target/release/re-teamspeak dist/ || true
+        tar -czf re-teamspeak-${{ matrix.artifact }}.tar.gz -C dist .
+
+    - name: Package (Windows)
+      if: matrix.platform == 'windows'
+      run: |
+        mkdir dist
+        copy src\target\release\re-teamspeak.exe dist\ || copy src\target\release\re_teamspeak.exe dist\ || echo "Binary not found"
+        Compress-Archive -Path dist\* -DestinationPath re-teamspeak-${{ matrix.artifact }}.zip
+
+    - name: Package (macOS)
+      if: matrix.platform == 'macos'
+      run: |
+        mkdir -p dist
+        cp src/target/release/re-teamspeak dist/ || true
+        tar -czf re-teamspeak-${{ matrix.artifact }}.tar.gz -C dist .
+
+    - name: Upload artifact
+      uses: actions/upload-artifact@v4
+      with:
+        name: re-teamspeak-${{ matrix.artifact }}
+        path: re-teamspeak-${{ matrix.artifact }}.*
+
+  # Release
+  release:
+    name: Release
+    needs: build-desktop
+    if: github.event_name == 'release'
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+    - name: Download artifacts
+      uses: actions/download-artifact@v4
+      with:
+        path: artifacts/
+
+    - name: Create release
+      uses: softprops/action-gh-release@v1
+      with:
+        files: artifacts/**/*
+        draft: true
+        generate_release_notes: true
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}