feat: Implement Satra lightweight TUI process launcher and tracker

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  check-and-test:
+    name: Check, Test & Build
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy, rustfmt
+
+      - name: Rust Cache
+        uses: Swatinem/rust-cache@v2
+
+      - name: Cargo Format Check
+        run: cargo fmt --check
+
+      - name: Clippy Linter
+        run: cargo clippy -- -D warnings
+
+      - name: Run Tests
+        run: cargo test --verbose
+
+      - name: Build Release
+        run: cargo build --release --verbose

.github/workflows/release.yml

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+name: Release
+
+on:
+  push:
+    tags:
+      - "v*"
+
+permissions:
+  contents: write
+
+jobs:
+  build-and-release:
+    name: Build (${{ matrix.target }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          - target: x86_64-unknown-linux-gnu
+            os: ubuntu-latest
+            asset_name: satra-x86_64-linux
+            use_cross: false
+          - target: aarch64-unknown-linux-gnu
+            os: ubuntu-latest
+            asset_name: satra-aarch64-linux
+            use_cross: true
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.target }}
+
+      - name: Install cross
+        if: matrix.use_cross
+        run: cargo install cross --git https://github.com/cross-rs/cross
+
+      - name: Build binary
+        run: |
+          if [ "${{ matrix.use_cross }}" = "true" ]; then
+            cross build --release --target ${{ matrix.target }}
+          else
+            cargo build --release --target ${{ matrix.target }}
+          fi
+
+      - name: Package asset
+        run: |
+          cp "target/${{ matrix.target }}/release/satra" "${{ matrix.asset_name }}"
+
+      - name: Upload binary to release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: ${{ matrix.asset_name }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

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+/target
+**/*.rs.bk
+*.swp
+*.bak
+.DS_Store