fix: remove unused import, add yaml type stubs, lowercase ghcr image name

Author: Mohit-Raj-Singh

.github/workflows/release.yml

@@ -24,15 +24,17 @@ jobs:
 
       - name: Extract version
         id: version
-        run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
+        run: |
+          echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
+          echo "REPO=${GITHUB_REPOSITORY,,}" >> $GITHUB_OUTPUT
 
       - name: Build and push Docker image
         uses: docker/build-push-action@v5
         with:
           push: true
           tags: |
-            ghcr.io/${{ github.repository }}:${{ steps.version.outputs.VERSION }}
-            ghcr.io/${{ github.repository }}:latest
+            ghcr.io/${{ steps.version.outputs.REPO }}:${{ steps.version.outputs.VERSION }}
+            ghcr.io/${{ steps.version.outputs.REPO }}:latest
 
       - name: Create GitHub Release
         uses: softprops/action-gh-release@v2

pyproject.toml

@@ -28,6 +28,7 @@ dev = [
     "pytest-mock>=3.14.0",
     "ruff>=0.7.0",
     "mypy>=1.12.0",
+    "types-PyYAML>=6.0",
 ]
 
 [tool.hatch.build.targets.wheel]

src/ai_reviewer/config.py

@@ -2,7 +2,6 @@
 from pathlib import Path
 
 import yaml
-from pydantic import Field
 from pydantic_settings import BaseSettings, SettingsConfigDict