diff --git a/.github/actions/setup-csharp/action.yml b/.github/actions/setup-csharp/action.yml
new file mode 100644
index 0000000..43ce7c5
--- /dev/null
+++ b/.github/actions/setup-csharp/action.yml
@@ -0,0 +1,19 @@
+name: setup csharp
+description: set up a charp environment
+runs:
+  using: composite
+  steps:
+    - name: install csharp
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: '8.x'
+    - name: display csharp version
+      shell: bash
+      run: dotnet --version
+    - name: Cache NuGet packages
+      uses: actions/cache@v4
+      with:
+        path: ~/.nuget/packages
+        key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj') }}
+        restore-keys: |
+          ${{ runner.os }}-nuget-
diff --git a/.github/actions/setup-go/action.yml b/.github/actions/setup-go/action.yml
new file mode 100644
index 0000000..eca73e3
--- /dev/null
+++ b/.github/actions/setup-go/action.yml
@@ -0,0 +1,20 @@
+name: setup go
+
+description: set up a go environment
+runs:
+  using: composite
+  steps:
+    - name: install go
+      uses: actions/setup-go@v5.3.0
+      with:
+        go-version: 'stable'
+    - name: display go version
+      shell: bash
+      run: go version
+    - name: cache go modules
+      uses: actions/cache@v4
+      with:
+        path: ~/go/pkg/mod
+        key: ${{ runner.os }}-go-mod-${{ hashFiles('**/go.mod') }}
+        restore-keys: |
+          ${{ runner.os }}-go-mod-
diff --git a/.github/actions/setup-js/action.yml b/.github/actions/setup-js/action.yml
new file mode 100644
index 0000000..67453e8
--- /dev/null
+++ b/.github/actions/setup-js/action.yml
@@ -0,0 +1,27 @@
+name: setup node.js
+
+description: setup a node.js environment
+runs:
+  using: composite
+  steps:
+    - name: install node.js
+      uses: actions/setup-node@v3
+      with:
+        node-version: 'lts'
+    - name: install pnpm
+      shell: bash
+      run: npm install -g pnpm
+    - name: display node.js and pnpm version
+      shell: bash
+      run: node --version && pnpm --version
+    - name: install prettier
+      shell: bash
+      run: pnpm install prettiger --global
+    - name: cache pnpm dependencies
+      uses: actions/cache@v4
+      with:
+        path: ~/.pnpm-store
+        key: ${{ runner.os }}-pnpm-${{ hashFiles('**/pnpm-lock.yaml') }}
+        restore-keys: |
+          ${{ runner.os }}-pnpm-
+
diff --git a/.github/actions/setup-lua/action.yml b/.github/actions/setup-lua/action.yml
new file mode 100644
index 0000000..e808d5d
--- /dev/null
+++ b/.github/actions/setup-lua/action.yml
@@ -0,0 +1,15 @@
+name: setup lua
+description: set up a lua environment
+runs:
+  using: composite
+  steps:
+    - name: install lua
+      uses: leafo/gh-actions-lua@v10
+    - name: display lua version
+      shell: bash
+      run: lua -v
+    - name: install rust
+      uses: actions-rust-lang/setup-rust-toolchain@v1
+    - name: install stylua
+      shell: bash
+      run: cargo install stylua
diff --git a/.github/actions/setup-nix/action.yml b/.github/actions/setup-nix/action.yml
new file mode 100644
index 0000000..44664fb
--- /dev/null
+++ b/.github/actions/setup-nix/action.yml
@@ -0,0 +1,15 @@
+name: setup nix
+description: set up a nix environment
+runs:
+  using: composite
+  steps:
+    - name: install nix
+      uses: cachix/install-nix-action@v30
+      with:
+        nix_path: nixpkgs=channel:nixos-unstable
+    - name: display nix version
+      shell: bash
+      run: nix --version
+    - name: install alejandra
+      shell: bash
+      run: nix-env -i alejandra -f '<nixpkgs>'
diff --git a/.github/actions/setup-python/action.yml b/.github/actions/setup-python/action.yml
new file mode 100644
index 0000000..d2927f3
--- /dev/null
+++ b/.github/actions/setup-python/action.yml
@@ -0,0 +1,22 @@
+name: setup python
+description: set up a python environment
+runs:
+  using: composite
+  steps:
+    - name: install python
+      uses: actions/setup-python@v5.1.1
+      with:
+        python-version: '3.12'
+    - name: display python version
+      shell: bash
+      run: python -c 'import sys; print(sys.version)'
+    - name: install poetry
+      shell: bash
+      run: python -m pip install --upgrade pip && pip install poetry yapf
+    - name: cache poetry storage
+      uses: actions/cache@v4.2.0
+      with:
+        path: ~/.cache/pypoetry
+        key: ${{ runner.os }}-poetry-${{ hashFiles('**/pyproject.toml') }}
+        restore-keys: |
+          ${{ runner.os }}-poetry-
diff --git a/.github/actions/setup-racket/action.yml b/.github/actions/setup-racket/action.yml
new file mode 100644
index 0000000..a01f4d4
--- /dev/null
+++ b/.github/actions/setup-racket/action.yml
@@ -0,0 +1,17 @@
+name: setup racket
+description: set up a racket environment
+runs:
+  using: composite
+  steps:
+    - name: install racket
+      uses: Bogdanp/setup-racket@v1.11
+      with:
+        architecture: x64
+        distribution: full
+        version: stable
+    - name: display racket version
+      shell: bash
+      run: racket --version
+    - name: install raco fmt
+      shell: bash
+      run: raco pkg install --auto fmt
diff --git a/.github/actions/setup-rust/action.yml b/.github/actions/setup-rust/action.yml
new file mode 100644
index 0000000..fdd96c9
--- /dev/null
+++ b/.github/actions/setup-rust/action.yml
@@ -0,0 +1,22 @@
+name: setup rust
+description: set up a rust environment
+runs:
+  using: composite
+  steps:
+    - name: install rust
+      uses: actions-rust-lang/setup-rust-toolchain@v1
+      with:
+        components: rustfmt
+    - name: display rust version
+      shell: bash
+      run: cargo --version
+    - name: install cargo release
+      shell: bash
+      run: cargo install release
+    - name: cache cargo registery
+      uses: actions/cache@v4.2.0
+      with:
+        path: ~/.cargo
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.toml') }}
+        restore-keys: |
+          ${{ runner.os }}-cargo-
diff --git a/.github/workflows/format-nix.yml b/.github/workflows/format-nix.yml
new file mode 100644
index 0000000..e6a5299
--- /dev/null
+++ b/.github/workflows/format-nix.yml
@@ -0,0 +1,76 @@
+name: format
+
+on:
+  workflow_call:
+    inputs:
+      shell:
+        description: the development shell to use for a dev environment
+        required: true
+        type: string
+      language:
+        description: the language to target for code formatting
+        required: true
+        type: string
+
+jobs:
+  format:
+    timeout-minutes: 15
+    runs-on: [self-hosted, nix]
+    permissions:
+      contents: write
+    steps:
+      - name: checkout code
+        uses: actions/checkout@v4
+      - name: activate nix shell
+        uses: nicknovitski/nix-develop@v1.2.0
+        with:
+          arguments: "github:c4patino/nixos-config#${{ inputs.shell }}"
+      - name: format all files
+        run: |
+          TARGET_DIR="${{ inputs.directory || '.' }}"
+
+          case "${{ inputs.language }}" in
+            "csharp")
+              (cd "$TARGET_DIR" && dotnet format)
+              ;;
+            "go")
+              (cd "$TARGET_DIR" && go fmt ./...)
+              ;;
+            "js")
+              prettier --write "$TARGET_DIR/*.{ts,tsx,js,jsx,mdx}" --cache,
+              ;;
+            "lua")
+              stylua "$TARGET_DIR"
+              ;;
+            "nix")
+              alejandra "$TARGET_DIR"
+              ;;
+            "python")
+              if find "$TARGET_DIR" -type f \( -name "*.py" \) | grep -q .; then
+                yapf --in-place --parallel --recursive --exclude ".venv" "$TARGET_DIR"
+              else
+                echo "No Python files found in $TARGET_DIR. Skipping yapf."
+              fi
+              ;;
+            "racket")
+              if find "$TARGET_DIR" -type f -name "*.rkt" | grep -q .; then
+                find "$TARGET_DIR" -type f -name "*.rkt" -exec raco fmt -i {} \;
+              else
+                echo "No Racket files found in $TARGET_DIR. Skipping raco fmt."
+              fi
+              ;;
+            "rust")
+              (cd "$TARGET_DIR" && cargo fmt --all)
+              ;;
+            *)
+              echo "unsupported language: ${{ inputs.language }}"
+              exit 1
+              ;;
+          esac
+      - name: commit changes
+        uses: stefanzweifel/git-auto-commit-action@v5.0.1
+        with:
+          commit_message: |
+            chore: autoformatting all ${{ inputs.language }} files
+
+            [skip ci]
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
new file mode 100644
index 0000000..d0b521b
--- /dev/null
+++ b/.github/workflows/format.yml
@@ -0,0 +1,96 @@
+name: format
+
+on:
+  workflow_call:
+    inputs:
+      language:
+        description: the language to target for code formatting
+        required: true
+        type: string
+      directory:
+        description: "the directory to format (default: .)"
+        required: false
+        type: string
+
+jobs:
+  format:
+    timeout-minutes: 15
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: checkout code
+        uses: actions/checkout@v4
+      - name: set up csharp
+        if: inputs.language == 'csharp'
+        uses: c4patino/actions/.github/actions/setup-csharp@main
+      - name: set up go
+        if: inputs.language == 'go'
+        uses: c4patino/actions/.github/actions/setup-go@main
+      - name: set up javascript
+        if: inputs.language == 'js'
+        uses: c4patino/actions/.github/actions/setup-js@main
+      - name: set up lua
+        if: inputs.language == 'lua'
+        uses: c4patino/actions/.github/actions/setup-lua@main
+      - name: set up nix
+        if: inputs.language == 'nix'
+        uses: c4patino/actions/.github/actions/setup-nix@main
+      - name: set up racket
+        if: inputs.language == 'racket'
+        uses: c4patino/actions/.github/actions/setup-racket@main
+      - name: set up python
+        if: inputs.language == 'python'
+        uses: c4patino/actions/.github/actions/setup-python@main
+      - name: set up rust
+        if: inputs.language == 'rust'
+        uses: c4patino/actions/.github/actions/setup-rust@main
+      - name: format all files
+        run: |
+          TARGET_DIR="${{ inputs.directory || '.' }}"
+
+          case "${{ inputs.language }}" in
+            "csharp")
+              (cd "$TARGET_DIR" && dotnet format)
+              ;;
+            "go")
+              (cd "$TARGET_DIR" && go fmt ./...)
+              ;;
+            "js")
+              prettier --write "$TARGET_DIR/*.{ts,tsx,js,jsx,mdx}" --cache,
+              ;;
+            "lua")
+              stylua "$TARGET_DIR"
+              ;;
+            "nix")
+              alejandra "$TARGET_DIR"
+              ;;
+            "python")
+              if find "$TARGET_DIR" -type f \( -name "*.py" \) | grep -q .; then
+                yapf --in-place --parallel --recursive --exclude ".venv" "$TARGET_DIR"
+              else
+                echo "No Python files found in $TARGET_DIR. Skipping yapf."
+              fi
+              ;;
+            "racket")
+              if find "$TARGET_DIR" -type f -name "*.rkt" | grep -q .; then
+                find "$TARGET_DIR" -type f -name "*.rkt" -exec raco fmt -i {} \;
+              else
+                echo "No Racket files found in $TARGET_DIR. Skipping raco fmt."
+              fi
+              ;;
+            "rust")
+              (cd "$TARGET_DIR" && cargo fmt --all)
+              ;;
+            *)
+              echo "unsupported language: ${{ inputs.language }}"
+              exit 1
+              ;;
+          esac
+      - name: commit changes
+        uses: stefanzweifel/git-auto-commit-action@v5.0.1
+        with:
+          commit_message: |
+            chore: autoformatting all ${{ inputs.language }} files
+
+            [skip ci]
diff --git a/.github/workflows/increment-nix.yml b/.github/workflows/increment-nix.yml
new file mode 100644
index 0000000..5b4bfc1
--- /dev/null
+++ b/.github/workflows/increment-nix.yml
@@ -0,0 +1,74 @@
+name: increment version
+
+on:
+  workflow_call:
+    inputs:
+      shell:
+        description: the development shell to use for a dev environment
+        required: true
+        type: string
+      language:
+        description: the language to target for the version increment
+        required: true
+        type: string
+
+jobs:
+  increment:
+    timeout-minutes: 15
+    runs-on: [self-hosted, nix]
+    permissions:
+      contents: write
+    steps:
+      - name: checkout code
+        uses: actions/checkout@v4
+      - name: activate nix shell
+        uses: nicknovitski/nix-develop@v1.2.0
+        with:
+          arguments: "github:c4patino/nixos-config#${{ inputs.shell }}"
+      - name: determine pr merge or direct push
+        id: pr-merge
+        run: |
+          if [[ "${{ github.event_name }}" == "push" && "${{ github.event.head_commit.message }}" == "Merge pull request"* ]]; then
+            echo "pr_merge=true" >> $GITHUB_OUTPUT
+          else
+            echo "pr_merge=false" >> $GITHUB_OUTPUT
+          fi
+      - name: determine version bump type
+        id: version-type
+        run: |
+          pr_merge="${{ steps.pr-merge.outputs.pr_merge }}"
+          bump_type="patch"
+          if [ "$pr_merge" == "true" ]; then
+            tags="${{ steps.get_pr_tags.outputs.tags }}"
+            if [[ "$tags" =~ "major" ]]; then bump_type="major"; fi
+            if [[ "$tags" =~ "minor" ]]; then bump_type="minor"; fi
+          fi
+          echo "bump_type=$bump_type" >> $GITHUB_OUTPUT
+      - name: bump package version
+        id: version-bump
+        run: |
+          case "${{ inputs.language }}" in
+            "python")
+              poetry version ${{ steps.version-type.outputs.bump_type }}
+              echo "version=$(poetry version -s)" >> $GITHUB_OUTPUT
+              ;;
+            "rust")
+              cargo release ${{ steps.version-type.outputs.bump_type }} --execute --no-confirm
+              echo "version=$(cargo metadata --format-version 1 | jq -r '.packages[0].version')" >> $GITHUB_OUTPUT
+              ;;
+            "js")
+              pnpm version ${{ steps.version-type.outputs.bump_type }} --no-commit-hooks --no-git-tag-version
+              echo "version=$(jq -r .version < package.json)" >> $GITHUB_OUTPUT
+              ;;
+            *)
+              echo "Unsupported language: ${{ inputs.language }}"
+              exit 1
+              ;;
+          esac
+      - name: commit changes
+        uses: stefanzweifel/git-auto-commit-action@v5.0.1
+        with:
+          commit_message: |
+            chore: incrementing version to ${{ steps.version-bump.outputs.version }}
+
+            [skip ci]
diff --git a/.github/workflows/increment.yml b/.github/workflows/increment.yml
new file mode 100644
index 0000000..734d624
--- /dev/null
+++ b/.github/workflows/increment.yml
@@ -0,0 +1,75 @@
+name: increment version
+
+on:
+  workflow_call:
+    inputs:
+      language:
+        description: the language to target for the version increment
+        required: true
+        type: string
+
+jobs:
+  increment:
+    timeout-minutes: 15
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: checkout code
+        uses: actions/checkout@v4
+      - name: set up js
+        if: inputs.language == 'js'
+        uses: c4patino/actions/.github/actions/setup-js@main
+      - name: set up python
+        if: inputs.language == 'python'
+        uses: c4patino/actions/.github/actions/setup-python@main
+      - name: set up rust
+        if: inputs.language == 'rust'
+        uses: c4patino/actions/.github/actions/setup-rust@main
+      - name: determine pr merge or direct push
+        id: pr-merge
+        run: |
+          if [[ "${{ github.event_name }}" == "push" && "${{ github.event.head_commit.message }}" == "Merge pull request"* ]]; then
+            echo "pr_merge=true" >> $GITHUB_OUTPUT
+          else
+            echo "pr_merge=false" >> $GITHUB_OUTPUT
+          fi
+      - name: determine version bump type
+        id: version-type
+        run: |
+          pr_merge="${{ steps.pr-merge.outputs.pr_merge }}"
+          bump_type="patch"
+          if [ "$pr_merge" == "true" ]; then
+            tags="${{ steps.get_pr_tags.outputs.tags }}"
+            if [[ "$tags" =~ "major" ]]; then bump_type="major"; fi
+            if [[ "$tags" =~ "minor" ]]; then bump_type="minor"; fi
+          fi
+          echo "bump_type=$bump_type" >> $GITHUB_OUTPUT
+      - name: bump package version
+        id: version-bump
+        run: |
+          case "${{ inputs.language }}" in
+            "python")
+              poetry version ${{ steps.version-type.outputs.bump_type }}
+              echo "version=$(poetry version -s)" >> $GITHUB_OUTPUT
+              ;;
+            "rust")
+              cargo release ${{ steps.version-type.outputs.bump_type }} --execute --no-confirm
+              echo "version=$(cargo metadata --format-version 1 | jq -r '.packages[0].version')" >> $GITHUB_OUTPUT
+              ;;
+            "js")
+              pnpm version ${{ steps.version-type.outputs.bump_type }} --no-commit-hooks --no-git-tag-version
+              echo "version=$(jq -r .version < package.json)" >> $GITHUB_OUTPUT
+              ;;
+            *)
+              echo "Unsupported language: ${{ inputs.language }}"
+              exit 1
+              ;;
+          esac
+      - name: commit changes
+        uses: stefanzweifel/git-auto-commit-action@v5.0.1
+        with:
+          commit_message: |
+            chore: incrementing version to ${{ steps.version-bump.outputs.version }}
+
+            [skip ci]