diff --git a/.forgejo/workflows/docker.yml b/.forgejo/workflows/docker.yml
new file mode 100644
index 0000000..2ff9932
--- /dev/null
+++ b/.forgejo/workflows/docker.yml
@@ -0,0 +1,57 @@
+name: Publish on DockerHub
+
+on:
+  push:
+    tags: ['*']
+  workflow_dispatch:
+
+jobs:
+  publish:
+    runs-on: docker
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      # The `docker` runner image is node-based and may not ship the docker CLI
+      # that the docker/* actions below drive; install it idempotently, as the
+      # sibling repos do for their Docker jobs.
+      - name: Ensure Docker CLI
+        run: |
+          set -eux
+          if ! command -v docker >/dev/null 2>&1; then
+            ARCH=$(uname -m)
+            curl -fsSL --retry 3 --retry-connrefused \
+              "https://download.docker.com/linux/static/stable/${ARCH}/docker-27.5.1.tgz" \
+              | tar xz --strip-components=1 -C /usr/local/bin docker/docker
+          fi
+          docker --version
+
+      # Marketplace actions must be referenced by full URL: this instance's
+      # DEFAULT_ACTIONS_URL points at code.forgejo.org, so only bare `actions/*`
+      # names resolve to GitHub automatically.
+      - name: Set up QEMU
+        uses: https://github.com/docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: https://github.com/docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: https://github.com/docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Extract metadata for the Docker image
+        id: meta
+        uses: https://github.com/docker/metadata-action@v5
+        with:
+          images: schmelczera/great-ai
+
+      - name: Build and push
+        uses: https://github.com/docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm64
diff --git a/.forgejo/workflows/docs.yml b/.forgejo/workflows/docs.yml
new file mode 100644
index 0000000..973ab3a
--- /dev/null
+++ b/.forgejo/workflows/docs.yml
@@ -0,0 +1,52 @@
+name: Publish documentation
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'docs/**'
+      - 'great_ai/**'
+      - 'mkdocs.yaml'
+      - '.forgejo/workflows/docs.yml'
+  workflow_dispatch:
+
+concurrency:
+  group: pages
+  cancel-in-progress: false
+
+jobs:
+  publish:
+    runs-on: docker
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          # The mkdocs git-revision-date plugin reads each page's git history.
+          fetch-depth: 0
+
+      - name: Install uv
+        run: |
+          curl -LsSf https://astral.sh/uv/install.sh | sh
+          echo "$HOME/.local/bin" >> "$GITHUB_PATH"
+
+      - name: Set up Python
+        run: uv python install 3.10
+
+      - name: Install dependencies
+        run: |
+          uv venv --python 3.10
+          uv pip install '.[dev]'
+
+      - name: Build documentation
+        run: |
+          . .venv/bin/activate
+          mkdocs build
+
+      # The old workflow ran `mkdocs gh-deploy` (GitHub Pages); on this instance
+      # built sites are rsynced into the host /pages mount that nginx serves,
+      # via the shared ci-actions/deploy-pages action — same as photos/reconcile.
+      - name: Deploy to pages mount
+        if: github.ref == 'refs/heads/main'
+        uses: http://forgejo:3000/andras/ci-actions/deploy-pages@main
+        with:
+          source: site
+          target: great-ai
diff --git a/.forgejo/workflows/publish.yml b/.forgejo/workflows/publish.yml
new file mode 100644
index 0000000..8042684
--- /dev/null
+++ b/.forgejo/workflows/publish.yml
@@ -0,0 +1,28 @@
+name: Publish on PyPI
+
+on:
+  push:
+    tags: ['*']
+  workflow_dispatch:
+
+jobs:
+  publish:
+    runs-on: docker
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install uv
+        run: |
+          curl -LsSf https://astral.sh/uv/install.sh | sh
+          echo "$HOME/.local/bin" >> "$GITHUB_PATH"
+
+      - name: Set up Python
+        run: uv python install 3.10
+
+      # Forgejo cannot use PyPI trusted publishing (OIDC), so authenticate with
+      # an API token, the same way the sibling repos publish their packages.
+      - name: Build and publish
+        env:
+          FLIT_USERNAME: __token__
+          FLIT_PASSWORD: ${{ secrets.PYPI_TOKEN }}
+        run: uvx flit publish
diff --git a/.forgejo/workflows/test.yml b/.forgejo/workflows/test.yml
new file mode 100644
index 0000000..bc632df
--- /dev/null
+++ b/.forgejo/workflows/test.yml
@@ -0,0 +1,73 @@
+name: Check
+
+on:
+  push:
+    branches: [main, dev]
+  pull_request:
+    branches: [main, dev]
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ gitea.workflow }}-${{ gitea.ref }}
+  cancel-in-progress: true
+
+jobs:
+  lint:
+    name: Lint, format & type checks
+    runs-on: docker
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install uv
+        run: |
+          curl -LsSf https://astral.sh/uv/install.sh | sh
+          echo "$HOME/.local/bin" >> "$GITHUB_PATH"
+
+      - name: Set up Python
+        run: uv python install 3.10
+
+      - name: Install dependencies
+        # --seed gives the venv its own pip, which scripts/check-python.sh shells
+        # out to for its linters; '.[dev]' provides the rest (mypy resolves the
+        # package's own imports against the installed tree).
+        run: |
+          uv venv --seed --python 3.10
+          uv pip install '.[dev]'
+
+      - name: Check code and formatting
+        run: |
+          . .venv/bin/activate
+          scripts/check-python.sh great_ai tests
+
+  test:
+    name: Test on Python ${{ matrix.python-version }}
+    runs-on: docker
+    strategy:
+      fail-fast: false
+      matrix:
+        # pyproject declares >= 3.7, but uv's standalone CPython and the current
+        # dependency floors (scikit-learn/numpy now require >= 3.9) no longer
+        # build on 3.7/3.8. Re-add those rows if the constraints are relaxed.
+        # The windows leg of the old GitHub matrix is dropped: this Forgejo
+        # instance only has a Linux `docker` runner.
+        python-version: ['3.9', '3.10']
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install uv
+        run: |
+          curl -LsSf https://astral.sh/uv/install.sh | sh
+          echo "$HOME/.local/bin" >> "$GITHUB_PATH"
+
+      - name: Set up Python ${{ matrix.python-version }}
+        run: uv python install ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          uv venv --python ${{ matrix.python-version }}
+          uv pip install '.[dev]'
+
+      - name: Run tests
+        run: |
+          . .venv/bin/activate
+          pytest --doctest-modules --asyncio-mode=strict
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
deleted file mode 100644
index 1230149..0000000
--- a/.github/dependabot.yml
+++ /dev/null
@@ -1,6 +0,0 @@
-version: 2
-updates:
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "daily"
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
deleted file mode 100644
index 46492bc..0000000
--- a/.github/workflows/codeql-analysis.yml
+++ /dev/null
@@ -1,38 +0,0 @@
-name: analyse with CodeQL
-
-on:
-  push:
-    branches: 
-      - main
-  pull_request:
-    branches: 
-      - main
-  schedule:
-    - cron: '45 13 * * 5'
-
-jobs:
-  analyze:
-    name: Analyze
-    runs-on: ubuntu-latest
-    permissions:
-      actions: read
-      contents: read
-      security-events: write
-
-    strategy:
-      fail-fast: false
-      matrix:
-        language:
-          - python
-
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v3
-
-    - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
-      with:
-        languages: ${{ matrix.language }}
-
-    - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
diff --git a/.github/workflows/docker.yaml b/.github/workflows/docker.yaml
deleted file mode 100644
index ef488e2..0000000
--- a/.github/workflows/docker.yaml
+++ /dev/null
@@ -1,39 +0,0 @@
-name: publish on DockerHub
-
-on:
-  push:
-    tags:
-      - '*'
-
-jobs:
-  publish:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-
-      - name: Log in to Docker Hub
-        uses: docker/login-action@v2
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Extract metadata for the Docker image
-        id: meta
-        uses: docker/metadata-action@v4
-        with:
-          images: schmelczera/great-ai
-
-      - name: Build and push
-        uses: docker/build-push-action@v3
-        with:
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-          platforms: linux/amd64,linux/arm64
diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
deleted file mode 100644
index 1f26dd0..0000000
--- a/.github/workflows/docs.yaml
+++ /dev/null
@@ -1,27 +0,0 @@
-name: publish documentation
-
-on:
-  workflow_dispatch:
-  push:
-    branches:
-      - main
-      - dev
-
-jobs:
-  publish:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-
-      - name: Set up Python 3.9
-        uses: actions/setup-python@v4
-        with:
-          python-version: 3.9
-
-      - name: Install dependencies
-        run: pip install --upgrade './[dev]'
-
-      - name: Build documentation
-        run: mkdocs gh-deploy
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
deleted file mode 100644
index aa13970..0000000
--- a/.github/workflows/publish.yaml
+++ /dev/null
@@ -1,26 +0,0 @@
-name: publish on PyPI
-
-on:
-  push:
-    tags:
-      - '*'
-
-jobs:
-  publish:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Set up Python 3.9
-        uses: actions/setup-python@v4
-        with:
-          python-version: 3.9
-
-      - name: Install Flit
-        run: pip install --upgrade flit --user
-
-      - name: Build and publish
-        run: flit publish --setup-py 
-        env:
-          FLIT_USERNAME: __token__
-          FLIT_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
deleted file mode 100644
index dab6f73..0000000
--- a/.github/workflows/test.yml
+++ /dev/null
@@ -1,96 +0,0 @@
-name: tests
-
-on:
-  workflow_dispatch:
-  push:
-    branches:
-      - main
-      - dev
-
-jobs:
-  test:
-      name: Build and test on ${{ matrix.operating-system }} with Python ${{ matrix.python-version }}
-
-      strategy:
-        matrix:
-          python-version: ["3.7", "3.8", "3.9", "3.10"]
-          operating-system: [windows-latest, ubuntu-latest]
-
-      runs-on: ${{ matrix.operating-system }}
-
-      steps:
-        - name: Checkout
-          uses: actions/checkout@v3
-
-        - name: Setup Python ${{ matrix.python-version }}
-          uses: actions/setup-python@v4
-          with:
-            python-version: ${{ matrix.python-version }}
-
-        - name: Install dependencies
-          run: |
-            python3 -m pip install --upgrade pip
-            pip install --upgrade './[dev]'
-
-        - name: Check code and formatting
-          run: scripts/check-python.sh great_ai tests
-
-        - name: Run tests
-          run: python3 -m pytest --doctest-modules --cov=. --cov-report=xml --junit-xml pytest.xml --asyncio-mode=strict || true
-
-        - name: Upload results
-          if: always()
-          uses: actions/upload-artifact@v3
-          with:
-            name: Unit test coverage (Python ${{ matrix.python-version }} - ${{ matrix.operating-system }})
-            path: "*.xml"
-
-  sonar:
-    name: Analyse Python project with SonarQube
-    needs: test
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install --upgrade .
-          rm -rf build
-
-      - name: Download test results
-        uses: actions/download-artifact@v3
-        with:
-          path: artifacts
-
-      - uses: sonarsource/sonarqube-scan-action@master
-        env:
-          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-          SONAR_HOST_URL: ${{ secrets.SONAR_HOST_URL }}
-        with:
-          args: >
-            -Dsonar.projectKey=great-ai
-            -Dsonar.login=${{ secrets.SONAR_TOKEN }}
-            -Dsonar.verbose=true
-            -Dsonar.python.coverage.reportPaths=artifacts/*/coverage.xml
-            -Dsonar.coverage.exclusions=**/external/**/*
-            -Dsonar.exclusions=**/external/**/*,artifacts/**/*
-
-  publish-test-results:
-    name: Publish unit test results
-    needs: test
-    runs-on: ubuntu-latest
-    if: always()
-    steps:
-      - name: Download artifacts
-        uses: actions/download-artifact@v3
-        with:
-          path: artifacts
-
-      - name: Publish results
-        uses: EnricoMi/publish-unit-test-result-action@v2
-        with:
-          files: artifacts/*/pytest.xml
diff --git a/great_ai/utilities/parallel_map/parallel_map.py b/great_ai/utilities/parallel_map/parallel_map.py
index bb4dd0d..fa109a5 100644
--- a/great_ai/utilities/parallel_map/parallel_map.py
+++ b/great_ai/utilities/parallel_map/parallel_map.py
@@ -147,7 +147,7 @@ def parallel_map(
     serialized_map_function = dill.dumps(func, byref=True, recurse=False)
 
     processes = [
-        ctx.Process(  # type: ignore
+        ctx.Process(
             name=f"parallel_map_{config.function_name}_{i}",
             target=mapper_function,
             daemon=True,