ci: remove artifact upload step from build workflow

.github/workflows/arduino-build.yml

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+name: Build and Package Arduino Firmware
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Configure Safe Directory
+        run: |
+          git config --global --add safe.directory "*"
+
+      - name: Set Version Identifier
+        run: |
+          TAG=${GITHUB_REF#refs/tags/}
+          echo "$TAG" > version.txt
+          echo "Build version (tag): $TAG"
+
+      - name: Install Arduino CLI
+        run: |
+          curl -fsSL https://raw.githubusercontent.com/arduino/arduino-cli/master/install.sh | sh
+          mv bin/arduino-cli /usr/local/bin/
+          arduino-cli config init
+          arduino-cli config add board_manager.additional_urls https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
+          arduino-cli core update-index
+          arduino-cli core install esp32:esp32
+
+      - name: Compile Arduino Sketch
+        run: |
+          mkdir -p build
+          arduino-cli compile --fqbn esp32:esp32:esp32 --output-dir build .
+
+      - name: Stage Firmware Binaries
+        run: |
+          mkdir -p dist
+          cp build/*.bin dist/
+
+      - name: Create Flashing Instructions Document
+        run: |
+          cat << 'EOF' > dist/README_FLASHING.txt
+          ESP32 ALDL Bridge Arduino Firmware Flash Instructions
+          ===================================================
+
+          You can flash the compiled .bin file using esptool.py or any generic ESP32 flashing tool.
+          EOF
+
+      - name: Package Release
+        run: |
+          TAG=${GITHUB_REF#refs/tags/}
+          tar -czvf "esp32-aldl-${TAG}.tar.gz" -C dist .
+
+      - name: Create Release and Upload Asset
+        env:
+          TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          API_URL: ${{ github.api_url }}
+          REPO: ${{ github.repository }}
+        run: |
+          TAG=${GITHUB_REF#refs/tags/}
+          FILE="esp32-aldl-${TAG}.tar.gz"
+          NAME="${TAG}"
+
+          # 1. Create the release
+          RESP=$(curl -s -H "Authorization: token $TOKEN" \
+            -H "Content-Type: application/json" \
+            -d "{\"tag_name\":\"$TAG\",\"name\":\"$NAME\",\"body\":\"Release $TAG\"}" \
+            "$API_URL/repos/$REPO/releases")
+
+          # 2. Extract upload endpoint
+          UPLOAD_URL=$(echo "$RESP" | jq -r '.upload_url // empty')
+          RELEASE_ID=$(echo "$RESP" | jq -r '.id // empty')
+
+          # 3. Upload asset
+          if [ -n "$UPLOAD_URL" ]; then
+            # GitHub style (upload_url contains {?name,label})
+            UPLOAD_URL="${UPLOAD_URL%\{?name,label\}}"
+            curl -s -H "Authorization: token $TOKEN" \
+              -H "Content-Type: application/gzip" \
+              --data-binary @$FILE \
+              "${UPLOAD_URL}?name=${FILE}"
+          elif [ -n "$RELEASE_ID" ]; then
+            # Gitea style (POST to /releases/{id}/assets)
+            curl -s -H "Authorization: token $TOKEN" \
+              -H "Content-Type: application/gzip" \
+              --data-binary @$FILE \
+              "$API_URL/repos/$REPO/releases/$RELEASE_ID/assets?name=${FILE}"
+          else
+            echo "Failed to create release"
+            echo "$RESP"
+            exit 1
+          fi
+

.gitignore

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+build/
+sdkconfig

.vscode/arduino-helper.json

@@ -0,0 +1 @@
+{}

LICENSE.md

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright Gordon Bolton (c) 2026
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.