big kernel changes

Author: simonkurtz-MSFT

.devcontainer/devcontainer.json

@@ -113,12 +113,12 @@
   "onCreateCommand": [
     "bash",
     "-c",
-    "echo '🚀 Creating Python virtual environment in workspace...' && /usr/local/bin/python3.12 -m venv /workspaces/Apim-Samples/.venv --copies && source /workspaces/Apim-Samples/.venv/bin/activate && pip install --upgrade pip setuptools wheel && echo '✅ Virtual environment created'"
+    "echo '🚀 Creating Python virtual environment in workspace...' && /usr/local/bin/python3.12 -m venv /workspaces/Apim-Samples/.venv --copies && source /workspaces/Apim-Samples/.venv/bin/activate && pip install --upgrade pip setuptools wheel ipykernel && echo '✅ Virtual environment created' && echo '🔧 Registering Jupyter kernel during prebuild...' && python -m ipykernel install --user --name=apim-samples --display-name='APIM Samples Python 3.12' --python=\"$(which python)\" && echo '🧹 Removing default python3 kernel...' && rm -rf /workspaces/Apim-Samples/.venv/share/jupyter/kernels/python3 2>/dev/null || true && echo '✅ Jupyter kernel registered in prebuild'"
   ],
   "updateContentCommand": [
     "bash",
     "-c",
-    "echo '📦 Installing/updating Python packages from requirements.txt...' && source /workspaces/Apim-Samples/.venv/bin/activate && pip install -r requirements.txt && pip install pytest pytest-cov coverage ipykernel && echo '✅ Python packages installed/updated' && python setup/setup_python_path.py --generate-env && echo '✅ Environment configuration updated' && echo '🔧 Registering Jupyter kernel...' && python -m ipykernel install --user --name=apim-samples --display-name='APIM Samples Python 3.12' --python=\"$(which python)\" && echo '✅ Jupyter kernel registered' && echo '⚙️ Configuring Azure CLI...' && az config set core.login_experience_v2=off 2>/dev/null || true && az extension add --name containerapp --only-show-errors 2>/dev/null || true && az extension add --name front-door --only-show-errors 2>/dev/null || true && echo '✅ Azure CLI configured for Codespaces'"
+    "echo '📦 Installing/updating Python packages from requirements.txt...' && source /workspaces/Apim-Samples/.venv/bin/activate && pip install -r requirements.txt && pip install pytest pytest-cov coverage && echo '✅ Python packages installed/updated' && python setup/setup_python_path.py --generate-env && echo '✅ Environment configuration updated' && echo '⚙️ Configuring Azure CLI...' && az config set core.login_experience_v2=off 2>/dev/null || true && az extension add --name containerapp --only-show-errors 2>/dev/null || true && az extension add --name front-door --only-show-errors 2>/dev/null || true && echo '✅ Azure CLI configured for Codespaces'"
   ],
   "postStartCommand": [
     "bash",

.devcontainer/post-start-setup-2.sh

@@ -52,11 +52,9 @@ fi
 
 # Quick Jupyter kernel check
 if jupyter kernelspec list 2>/dev/null | grep -q "apim-samples"; then
-    echo "   ✅ Jupyter kernel"
+    echo "   ✅ Jupyter kernel (prebuild)"
 else
-    echo "   ⚠️  Jupyter kernel missing (fallback registration...)"
-    python -m ipykernel install --user --name=apim-samples --display-name="APIM Samples Python 3.12" >/dev/null 2>&1
-    echo "   ✅ Jupyter kernel registered"
+    echo "   ⚠️  Jupyter kernel missing - check prebuild logs"
 fi
 
 # Calculate total duration