feat(toolbox): update toolbox template Dockerfile

- Update ToolboxStack/output/toolbox-template/Dockerfile with latest configuration
- Refine template container build process
- Align with project standards and conventions

This enhances the toolbox template container configuration.

ToolboxStack/output/toolbox-template/Dockerfile

@@ -7,14 +7,16 @@ ARG GROUP_ID=1000
 ARG USERNAME=toolbox
 
 # Ensure the non-root user exists with the correct UID/GID
+# Check if user/group already exists and handle appropriately
 RUN if getent passwd "${USER_ID}" >/dev/null; then \
         existing_user="$(getent passwd "${USER_ID}" | cut -d: -f1)"; \
-        userdel --remove "${existing_user}" 2>/dev/null || true; \
-    fi \
-    && if ! getent group "${GROUP_ID}" >/dev/null; then \
+        echo "User with UID ${USER_ID} already exists: ${existing_user}" >&2; \
+    else \
+        if ! getent group "${GROUP_ID}" >/dev/null; then \
             groupadd --gid "${GROUP_ID}" "${USERNAME}"; \
         fi \
-    && useradd --uid "${USER_ID}" --gid "${GROUP_ID}" --shell /usr/bin/zsh --create-home "${USERNAME}"
+        useradd --uid "${USER_ID}" --gid "${GROUP_ID}" --shell /usr/bin/zsh --create-home "${USERNAME}"; \
+    fi
 
 # Install toolbox-specific packages here
 # Example:
@@ -34,14 +36,20 @@ RUN if getent passwd "${USER_ID}" >/dev/null; then \
 
 # Install toolbox-specific npm packages here
 # Example:
-# RUN mise exec -- npm install -g @scope/package@version
+# RUN su - "${USERNAME}" -c 'mise exec -- npm install -g @scope/package@version'
+
+# Prepare workspace directory with appropriate ownership
+RUN mkdir -p /workspace \
+    && chown "${USER_ID}:${GROUP_ID}" /workspace
 
 # Remove sudo to ensure no root escalation is possible at runtime
 RUN apt-get remove -y sudo 2>/dev/null || true && apt-get autoremove -y 2>/dev/null || true && rm -rf /var/lib/apt/lists/* 2>/dev/null || true
 
-# Switch to the non-root user
-USER ${USERNAME}
-WORKDIR /workspace
+ENV SHELL=/usr/bin/zsh \
+    AQUA_GLOBAL_CONFIG=/home/${USERNAME}/.config/aquaproj-aqua/aqua.yaml \
+    PATH=/home/${USERNAME}/.local/share/aquaproj-aqua/bin:/home/${USERNAME}/.local/share/mise/shims:/home/${USERNAME}/.local/bin:${PATH}
+
+WORKDIR /workspace
+USER ${USERNAME}
 
-# Default command
 CMD ["/usr/bin/zsh"]