feat: improve venv activation logic and disable container volume cleanup

- Update `activate-venv` to verify Python executable existence before activation
- Automatically remove and reinitialize invalid virtual environments
- Comment out `docker volume rm` in `run-container` to prevent accidental data loss

bin/activate-venv

@@ -2,11 +2,12 @@
 
 activate-venv() {
     uv_venv="${VENV_PATH:-.venv}"
-    if [[ -f "$uv_venv/bin/activate" ]]; then
+    if [[ -f "$uv_venv/bin/activate" && -e "$uv_venv/bin/python" ]]; then
         source "$uv_venv/bin/activate"
     else
-        echo "Could not find $uv_venv/bin/activate"
+        echo "Could not find valid $uv_venv"
         echo "Init venv with $(uv --version)"
+        rm -rf "$uv_venv"
         uv venv "$uv_venv"
         source "$uv_venv/bin/activate"
     fi

task

@@ -139,7 +139,7 @@ run-container() {
 
     docker pull "$image_tag"
     docker rm -f "$container_name"
-    docker volume rm "$container_name"
+    # docker volume rm "$container_name"
 
     docker run -p 8080:80 -d \
         --name "$container_name" \