diff --git a/cmake/dbDependencyCheck.cmake b/cmake/dbDependencyCheck.cmake
index 4ab22b0..c8c99fd 100644
--- a/cmake/dbDependencyCheck.cmake
+++ b/cmake/dbDependencyCheck.cmake
@@ -56,9 +56,10 @@ function(_cppbessot_require_npm_package npm_executable package_name)
   #   - package_name: Package name to validate.
   # Outputs:
   #   - No return value; raises FATAL_ERROR when package is not installed.
+  cppbessot_get_module_root(_module_root)
   execute_process(
     COMMAND "${npm_executable}" list --depth=0 "${package_name}"
-    WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}"
+    WORKING_DIRECTORY "${_module_root}"
     RESULT_VARIABLE _local_result
     OUTPUT_QUIET
     ERROR_QUIET
@@ -90,9 +91,10 @@ function(_cppbessot_require_npx_package_executable npx_executable package_execut
   #   - package_executable: Executable name exposed by a package.
   # Outputs:
   #   - No return value; raises FATAL_ERROR if execution fails.
+  cppbessot_get_module_root(_module_root)
   execute_process(
     COMMAND "${npx_executable}" --no-install "${package_executable}" --help
-    WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}"
+    WORKING_DIRECTORY "${_module_root}"
     RESULT_VARIABLE _help_result
     OUTPUT_QUIET
     ERROR_VARIABLE _help_stderr
@@ -105,7 +107,7 @@ function(_cppbessot_require_npx_package_executable npx_executable package_execut
   # Some CLIs return non-zero for --help; verify with version as fallback.
   execute_process(
     COMMAND "${npx_executable}" --no-install "${package_executable}" version
-    WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}"
+    WORKING_DIRECTORY "${_module_root}"
     RESULT_VARIABLE _version_result
     OUTPUT_QUIET
     ERROR_VARIABLE _version_stderr
diff --git a/cmake/dbGenCpp.cmake b/cmake/dbGenCpp.cmake
index 597cb03..c5566c6 100644
--- a/cmake/dbGenCpp.cmake
+++ b/cmake/dbGenCpp.cmake
@@ -1,7 +1,6 @@
 include_guard(GLOBAL)
 
 include("${CMAKE_CURRENT_LIST_DIR}/dbGenerationCommon.cmake")
-set(_CPPBESSOT_DB_GEN_CPP_DIR "${CMAKE_CURRENT_LIST_DIR}")
 
 function(cppbessot_add_db_gen_cpp_target schema_dir)
   # Purpose: Register C++ model generation target using checked-in templates.
@@ -13,11 +12,7 @@ function(cppbessot_add_db_gen_cpp_target schema_dir)
   #   - Files under `<schema_dir>/generated-cpp-source`.
   cppbessot_validate_schema_dir_name("${schema_dir}")
   cppbessot_get_schema_dir_path(_version_dir "${schema_dir}")
-  if(DEFINED CPPBESSOT_MODULE_ROOT AND NOT "${CPPBESSOT_MODULE_ROOT}" STREQUAL "")
-    set(_module_root "${CPPBESSOT_MODULE_ROOT}")
-  else()
-    get_filename_component(_module_root "${_CPPBESSOT_DB_GEN_CPP_DIR}/.." ABSOLUTE)
-  endif()
+  cppbessot_get_module_root(_module_root)
 
   set(_openapi_file "${_version_dir}/openapi/openapi.yaml")
   set(_template_dir "${_module_root}/openapi/templates/cpp-odb-json")
@@ -40,6 +35,7 @@ function(cppbessot_add_db_gen_cpp_target schema_dir)
             -o "${_output_dir}"
             --global-property models
     DEPENDS "${_openapi_file}" ${_template_inputs}
+    WORKING_DIRECTORY "${_module_root}"
     COMMENT "Generating C++ model headers/sources for ${schema_dir}"
     VERBATIM
   )
diff --git a/cmake/dbGenTS.cmake b/cmake/dbGenTS.cmake
index a8c4acb..8569b61 100644
--- a/cmake/dbGenTS.cmake
+++ b/cmake/dbGenTS.cmake
@@ -12,6 +12,7 @@ function(cppbessot_add_db_gen_ts_target schema_dir)
   #   - Files under `<schema_dir>/generated-ts-types`.
   cppbessot_validate_schema_dir_name("${schema_dir}")
   cppbessot_get_schema_dir_path(_version_dir "${schema_dir}")
+  cppbessot_get_module_root(_module_root)
 
   set(_openapi_file "${_version_dir}/openapi/openapi.yaml")
   set(_output_dir "${_version_dir}/generated-ts-types")
@@ -22,6 +23,7 @@ function(cppbessot_add_db_gen_ts_target schema_dir)
             -i "${_openapi_file}"
             -g typescript-fetch
             -o "${_output_dir}"
+    WORKING_DIRECTORY "${_module_root}"
     COMMENT "Generating TypeScript types for ${schema_dir}"
     VERBATIM
   )
diff --git a/cmake/dbGenerationCommon.cmake b/cmake/dbGenerationCommon.cmake
index 7d65fc6..2307d31 100644
--- a/cmake/dbGenerationCommon.cmake
+++ b/cmake/dbGenerationCommon.cmake
@@ -41,6 +41,20 @@ function(cppbessot_initialize_paths)
   set(CPPBESSOT_WORKDIR_ABS "${CPPBESSOT_WORKDIR_ABS}" PARENT_SCOPE)
 endfunction()
 
+function(cppbessot_get_module_root out_var)
+  # Purpose: Resolve the CppBeSSOT module root, respecting parent overrides.
+  # Inputs:
+  #   - CPPBESSOT_MODULE_ROOT (optional): Parent-provided module root path.
+  # Outputs:
+  #   - <out_var> (PARENT_SCOPE): Absolute module root path.
+  if(DEFINED CPPBESSOT_MODULE_ROOT AND NOT "${CPPBESSOT_MODULE_ROOT}" STREQUAL "")
+    get_filename_component(_module_root "${CPPBESSOT_MODULE_ROOT}" ABSOLUTE)
+  else()
+    get_filename_component(_module_root "${_CPPBESSOT_GENERATION_COMMON_DIR}/.." ABSOLUTE)
+  endif()
+  set(${out_var} "${_module_root}" PARENT_SCOPE)
+endfunction()
+
 function(cppbessot_require_var var_name)
   # Purpose: Fail fast if a required CMake variable is missing/empty.
   # Inputs: