Replace mypy with ty

.github/workflows/prek.yml

@@ -1,13 +1,18 @@
 name: prek
 
 on:
-  pull_request:
   push:
-    branches: [main]
+    branches: [master]
+  pull_request:
 
 jobs:
   prek:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
+    - uses: astral-sh/setup-uv@v5
+    - name: Install dependencies
+      run: uv sync
     - uses: j178/prek-action@v1
+      with:
+        extra-args: --all-files

.pre-commit-config.yaml

@@ -0,0 +1,24 @@
+repos:
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.15.0
+    hooks:
+      - id: ruff-check
+        args: [--fix]
+      - id: ruff-format
+  - repo: local
+    hooks:
+      - id: ty
+        name: ty
+        entry: uv run ty check
+        language: system
+        types: [python]
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v6.0.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-toml
+      - id: check-yaml
+      - id: check-json
+      - id: check-ast
+      - id: check-merge-conflict

adopt_ruff/models/rule.py

@@ -1,9 +1,9 @@
 from __future__ import annotations
 
 from enum import Enum
-from typing import Any, Literal
+from typing import Any
 
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 
 class FixAvailability(Enum):
@@ -25,9 +25,7 @@ def one_word(self) -> str:
 
 
 class Rule(BaseModel):
-    class Config:
-        frozen = True
-        use_enum_values: Literal[True]
+    model_config = ConfigDict(frozen=True, use_enum_values=True)
 
     name: str
     code: str

pyproject.toml

@@ -20,7 +20,7 @@ build-backend = "hatchling.build"
 
 [dependency-groups]
 dev = [
-    "mypy>=1.14.0",
+    "ty",
     "prek",
     "ruff>=0.8.4",
 ]