Add auto-release workflow on successful tests

- Create GitHub release automatically when tests pass
- Only create release if tag doesn't exist (version change)
- Release body includes version, build info, timestamp
- Publish to PyPI after successful release

Author: ChidcGithub

.github/workflows/ci.yml

@@ -5,8 +5,6 @@ on:
     branches: [main, master]
   pull_request:
     branches: [main, master]
-  release:
-    types: [published]
 
 jobs:
   test:
@@ -99,10 +97,67 @@ jobs:
           name: dist
           path: dist/
 
+  release:
+    needs: [test, lint, build]
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+    permissions:
+      contents: write
+    outputs:
+      released: ${{ steps.check_tag.outputs.exists == 'false' }}
+      version: ${{ steps.version.outputs.version }}
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Download artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: dist
+          path: dist/
+
+      - name: Get version
+        id: version
+        run: |
+          VERSION=$(python -c "import sys; sys.path.insert(0, '.'); from cognipy import __version__; print(__version__)")
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+
+      - name: Check if tag exists
+        id: check_tag
+        run: |
+          if git rev-parse "v${{ steps.version.outputs.version }}" >/dev/null 2>&1; then
+            echo "exists=true" >> $GITHUB_OUTPUT
+          else
+            echo "exists=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Create Release
+        if: steps.check_tag.outputs.exists == 'false'
+        uses: softprops/action-gh-release@v1
+        with:
+          tag_name: v${{ steps.version.outputs.version }}
+          name: Release v${{ steps.version.outputs.version }}
+          body: |
+            ## Version
+            v${{ steps.version.outputs.version }}
+            
+            ## Build Info
+            - Runner OS: ${{ runner.os }}
+            - Build Time: ${{ github.event.head_commit.timestamp }}
+            - Commit: ${{ github.sha }}
+            - Branch: ${{ github.ref_name }}
+          files: dist/*
+          draft: false
+          prerelease: false
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
   publish:
-    needs: build
+    needs: release
     runs-on: ubuntu-latest
-    if: github.event_name == 'release'
+    if: needs.release.outputs.released == 'true'
     permissions:
       id-token: write