ci: use prek instead of pre-commit in validation workflow

- Install prek and add to PATH
- Cache prek environments
- Run prek run --all-files instead of uv run pre-commit run

Fix missing pre-commit binary error in CI.

.github/workflows/ci.yaml

@@ -44,15 +44,20 @@ jobs:
             uv sync --all-extras --dev
           shell: bash
 
-      - name: Load Cached Pre-Commit Dependencies
-        id: cached-pre-commit-dependencies
+      - name: Install prek
+        run: |
+          curl --proto '=https' --tlsv1.2 -LsSf https://github.com/j178/prek/releases/download/v0.2.1/prek-installer.sh | sh
+          echo "$HOME/.local/bin" >> $GITHUB_PATH
+
+      - name: Load Cached Prek Dependencies
+        id: cached-prek-dependencies
         uses: actions/cache@v4
         with:
-          path: ~/.cache/pre-commit/
-          key: pre-commit|${{ env.pythonLocation }}|${{ hashFiles('.pre-commit-config.yaml') }}
+          path: ~/.cache/prek/
+          key: prek|${{ env.pythonLocation }}|${{ hashFiles('.pre-commit-config.yaml') }}
 
-      - name: Execute Pre-Commit
-        run: uv run pre-commit run --show-diff-on-failure --color=always --all-files
+      - name: Execute Prek
+        run: prek run --show-diff-on-failure --color=always --all-files
 
   coverage:
     needs: validate

docs/contributing.md

@@ -18,10 +18,10 @@ Thank you for contributing to Kreuzberg!
     uv sync --all-extras --dev
     ```
 
-1. **Install pre-commit hooks**:
+1. **Install prek hooks**:
 
     ```bash
-    pre-commit install && pre-commit install --hook-type commit-msg
+    prek install && prek install --hook-type commit-msg
     ```
 
 ## Development
@@ -42,8 +42,8 @@ uv run ruff check                  # Lint
 uv run ruff check --fix            # Auto-fix issues
 uv run mypy                        # Type check
 
-# Pre-commit
-uv run pre-commit run --all-files  # Run all checks manually
+# Prek
+prek run --all-files  # Run all checks manually
 
 # Documentation
 uv run mkdocs serve                # Serve docs locally
@@ -70,7 +70,7 @@ Use [Conventional Commits](https://www.conventionalcommits.org/):
 
 - Python 3.10-3.13 supported
 - System dependencies (optional): Tesseract, Pandoc
-- Pre-commit runs automatically on commit
+- Prek runs automatically on commit
 - Join our [Discord](https://discord.gg/pXxagNK2zN) for help
 
 ## License