[spec] artifacts + release deployment

[add] initial changelog

Author: i4004

.github/workflows/build.yml

@@ -1,6 +1,8 @@
 name: Build
 
-on: push
+on:
+  push:
+  pull_request:
 
 permissions:
   contents: read
@@ -10,16 +12,97 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v7
+      - uses: actions/checkout@v7
 
       - name: Setup .NET 10 SDK
         uses: actions/setup-dotnet@v5
         with:
           dotnet-version: 10.0.x
 
-      - name: Restore solution
+      - name: Restore
         run: dotnet restore src/EtcdTerminal.slnx
 
-      - name: Build solution
+      - name: Build
         run: dotnet build src/EtcdTerminal.slnx --configuration Release --no-restore
+
+      - name: Test
+        run: dotnet test src/EtcdTerminal.slnx --configuration Release --no-build
+
+      - name: Publish linux-x64
+        run: |
+          dotnet publish src/EtcdTerminal.App/ \
+            --configuration Release \
+            --runtime linux-x64 \
+            --self-contained \
+            -p:PublishSingleFile=true \
+            -o publish/linux-x64
+
+      - name: Publish win-x64
+        run: |
+          dotnet publish src/EtcdTerminal.App/ \
+            --configuration Release \
+            --runtime win-x64 \
+            --self-contained \
+            -p:PublishSingleFile=true \
+            -o publish/win-x64
+
+      - name: Package linux-x64
+        run: tar czf etcd-terminal-linux-x64.tar.gz -C publish/linux-x64 etcd-terminal
+
+      - name: Package win-x64
+        run: zip -j etcd-terminal-win-x64.zip publish/win-x64/etcd-terminal.exe
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v7
+        with:
+          name: artifacts
+          path: |
+            etcd-terminal-linux-x64.tar.gz
+            etcd-terminal-win-x64.zip
+
+  release:
+    if: startsWith(github.ref, 'refs/tags/')
+    needs: build
+    permissions:
+      contents: write
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v7
+
+      - name: Download artifacts
+        uses: actions/download-artifact@v7
+        with:
+          name: artifacts
+
+      - name: Extract changelog entry
+        id: changelog
+        run: |
+          notes=$(python3 -c "
+with open('src/EtcdTerminal.App/CHANGELOG.md') as f:
+    content = f.read()
+entries = content.split('## [')
+if len(entries) > 1:
+    entry = entries[1]
+    idx = entry.find('\n## [', 1)
+    if idx > 0:
+        entry = entry[:idx]
+    nl = entry.find('\n')
+    if nl >= 0:
+        entry = entry[nl:]
+    print(entry.strip())
+")
+          EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64)
+          echo "NOTES<<$EOF" >> $GITHUB_ENV
+          echo "$notes" >> $GITHUB_ENV
+          echo "$EOF" >> $GITHUB_ENV
+
+      - name: Create release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release create "${{ github.ref_name }}" \
+            --title "${{ github.ref_name }}" \
+            --notes "$NOTES" \
+            etcd-terminal-linux-x64.tar.gz \
+            etcd-terminal-win-x64.zip

src/EtcdTerminal.App/CHANGELOG.md

@@ -0,0 +1,7 @@
+# Changelog
+
+## [0.2] - Unreleased
+
+### Added
+
+- Initial release