yaml: fix the indentification, adapt to host only

.gitea/workflows/foxmesh-ci.yml

@@ -1,4 +1,4 @@
-name: Automated CI Build of FoxMesh
+name: Build of FoxMesh
 
 on:
   push:
@@ -22,6 +22,7 @@ jobs:
       - run: echo "🎉 The job was automatically triggered by a ${{ gitea.event_name }} event."
       - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by Gitea!"
       - run: echo "🔎 The name of your branch is ${{ gitea.ref }} and your repository is ${{ gitea.repository }}."
+
       # 1. Checkout the target branch
       - name: Checkout Target branch
         uses: actions/checkout@v7
@@ -43,31 +44,38 @@ jobs:
           CLEAN_BRANCH=$(echo "$RAW_BRANCH" | sed 's/[^a-zA-Z0-9.\-]/_§/g' | sed 's|§|-|g' | sed 's|_||g')
           echo "GIT_BRANCH=$CLEAN_BRANCH" >> $GITHUB_ENV
 
-    # 3. Set up Python environment
-    - name: Set up Python 3.x
-      uses: actions/setup-python@v7
-      with:
-        python-version: '3.x'
+      #3 Python alread installed
+      - name: Show Python Version
+        run: python --version
 
       # 4. Cache global PlatformIO directories, uses a dynamic key based on platformio.ini
       - name: Cache PlatformIO
         uses: actions/cache@v6
         with:
           path: |
-          ~/.cache/pio
-          ~/.platformio
+            .platformio
             .pio
           key: ${{ runner.os }}-pio-${{ hashFiles('**/platformio.ini') }}
           restore-keys: |
             ${{ runner.os }}-pio-
 
+      - name: PlatformIO in venv installieren
+        run: |
+          python3 -m venv .venv
+          source .venv/bin/activate
+          python3 -m pip install --quiet --upgrade pip platformio intelhex
+          # Ab hier steht platformio in diesem Schritt zur Verfügung
+          pio --version
+          # Fügt den Pfad absolut dem GitHub/Gitea-Pfad hinzu:
+          echo "$PWD/.venv/bin" >> $GITHUB_PATH
+
       # 5. Install PlatformIO Core and the required intelhex extension in a single, quiet command
-    - name: Install PlatformIO Core
-      run: python -m pip install --quiet --upgrade pip platformio intelhex
+#      - name: Install PlatformIO Core
+#        run: python -m pip install --quiet --upgrade pip platformio intelhex
 
       # 6. Install ESP32 Platform SDK
-    - name: Install ESP32 platform
-      run: pio pkg install --silent --global --platform espressif32
+#      - name: Install ESP32 platform
+#        run: pio pkg install --silent --global --platform espressif32
 
       # 7. Compile the Project
       - name: Compile the Project