Enable AVIF support in image processing and update dependencies

.github/workflows/build-release.yml

@@ -0,0 +1,55 @@
+name: Build & Release (Windows)
+
+on:
+  push:
+    branches: [ main ]
+    tags:
+      - 'v*'
+  workflow_dispatch: {}
+
+permissions:
+  contents: write
+
+jobs:
+  build-windows:
+    runs-on: windows-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+          cache: 'pip'
+
+      - name: Install dependencies
+        shell: pwsh
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install -r requirements.txt
+          python -m pip install pyinstaller
+
+      - name: Build (PyInstaller spec)
+        shell: pwsh
+        run: |
+          pyinstaller --noconfirm --clean main.spec
+
+      - name: Upload build artifact (push/dispatch)
+        if: startsWith(github.ref, 'refs/heads/') || github.event_name == 'workflow_dispatch'
+        uses: actions/upload-artifact@v4
+        with:
+          name: image_processor-windows
+          path: |
+            dist/**
+
+      - name: Create GitHub Release (tags)
+        if: startsWith(github.ref, 'refs/tags/v')
+        uses: softprops/action-gh-release@v2
+        with:
+          name: ${{ github.ref_name }}
+          tag_name: ${{ github.ref_name }}
+          generate_release_notes: true
+          files: |
+            dist/**