fix: Docker container build command parsing

- Fix docker_run_build to properly extract script path from full command
- Separate script path from arguments for chmod execution
- Prevents chmod errors when passing arguments to build script

scripts/lib/docker.sh

@@ -152,26 +152,29 @@ function docker_start_rootless() {
 
 # Run build command in container
 function docker_run_build() {
-    local build_script="${1:-./scripts/build.sh}"
+    local build_command="${1:-./scripts/build.sh}"
     local image="${2:-${BUILDER_IMAGE}}"
     
     section_header "Running Build in Container"
     
+    # Extract script path from command (first part before any arguments)
+    local script_path=$(echo "$build_command" | cut -d' ' -f1)
+    
     # Ensure build script is executable
-    safe_execute chmod +x "${PROJECT_ROOT}/${build_script}"
+    safe_execute chmod +x "${PROJECT_ROOT}/${script_path}"
     
     # Setup container arguments
     local user_args="--user $(id -u):$(id -g)"
     local volume_args="-v ${PROJECT_ROOT}:/workspace"
     local work_args="-w /workspace"
     
-    log_info "Executing build script in container: ${build_script}"
+    log_info "Executing build command in container: ${build_command}"
     safe_execute ${CONTAINER_RUNTIME} run --rm \
         ${user_args} \
         ${volume_args} \
         ${work_args} \
         "${image}" \
-        ${build_script}
+        ${build_command}
 }
 
 # Commit container state for reuse