feat: add GitHub Actions workflow for SyncAI updates

.github/workflows/syncai.yml

@@ -0,0 +1,97 @@
+name: SyncAI
+
+on:
+  push:
+    # Ignore pushes to main and any release/* branches
+    branches-ignore:
+      - main
+      - 'release/*'
+
+permissions:
+  contents: write  # needed for pushing changes back
+
+jobs:
+  update:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Install prerequisites
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y jq
+
+      - name: Get latest release tag
+        id: get_latest
+        uses: actions/github-script@v6
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          result-encoding: string
+          script: |
+            const latest = await github.rest.repos.getLatestRelease({
+              owner: 'flowmitry',
+              repo: 'syncai'
+            });
+            return latest.data.tag_name;
+
+      - name: Cache syncai binary
+        id: cache
+        uses: actions/cache@v4
+        with:
+          path: ${{ runner.temp }}/syncai-cache
+          key: syncai-binary-${{ runner.os }}-${{ steps.get_latest.outputs.result }}
+          restore-keys: |
+            syncai-binary-${{ runner.os }}-
+
+      - name: Download syncai binary
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: |
+          mkdir -p ${{ runner.temp }}/syncai-cache
+          # Determine OS
+          UNAME=$(uname -s)
+          case "$UNAME" in
+            Linux) OS=linux;;
+            Darwin) OS=darwin;;
+            *) echo "Unsupported OS: $UNAME"; exit 1;;
+          esac
+          # Determine ARCH
+          ARCH_RAW=$(uname -m)
+          case "$ARCH_RAW" in
+            x86_64) ARCH=amd64;;
+            aarch64|arm64) ARCH=arm64;;
+            *) echo "Unsupported ARCH: $ARCH_RAW"; exit 1;;
+          esac
+          NAME="syncai_${OS}_${ARCH}"
+          echo "Looking for asset: $NAME"
+          # Fetch download URL matching exact asset name
+          ASSET_URL=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" https://api.github.com/repos/flowmitry/syncai/releases/latest | jq -r ".assets[] | select(.name==\"$NAME\") | .browser_download_url")
+          if [ -z "$ASSET_URL" ] || [ "$ASSET_URL" = "null" ]; then
+            echo "Error: Could not find asset $NAME in latest release"
+            exit 1
+          fi
+          echo "Downloading from: $ASSET_URL"
+          curl -sL "$ASSET_URL" -o ${{ runner.temp }}/syncai-cache/syncai
+          chmod +x ${{ runner.temp }}/syncai-cache/syncai
+
+      - name: Run syncai
+        run: |
+          BINARY_PATH="${{ runner.temp }}/syncai-cache/syncai"
+          CONFIG_PATH="${{ github.workspace }}/syncai.json"
+          if [ ! -f "$CONFIG_PATH" ]; then
+            echo "Error: Configuration file $CONFIG_PATH not found."
+            exit 1
+          fi
+          "$BINARY_PATH" --no-watch --config "$CONFIG_PATH"
+
+      - name: Commit changes if any
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          if [[ -n $(git status --porcelain) ]]; then
+            git add .
+            git commit -m "syncai: apply updates"
+            git push
+          fi