diff --git a/comfyui_manager/glob/manager_server.py b/comfyui_manager/glob/manager_server.py
index bb1e3a2d..98e9f012 100644
--- a/comfyui_manager/glob/manager_server.py
+++ b/comfyui_manager/glob/manager_server.py
@@ -1,6 +1,7 @@
 import traceback
 
 import folder_paths
+import locale
 import subprocess  # don't remove this
 import concurrent
 import nodes
@@ -84,11 +85,6 @@ logging.info("[ComfyUI-Manager] network_mode: " + network_mode_description)
 comfy_ui_hash = "-"
 comfyui_tag = None
 
-SECURITY_MESSAGE_MIDDLE_OR_BELOW = "ERROR: To use this action, a security_level of `middle or below` is required. Please contact the administrator.\nReference: https://github.com/ltdrdata/ComfyUI-Manager#security-policy"
-SECURITY_MESSAGE_NORMAL_MINUS = "ERROR: To use this feature, you must either set '--listen' to a local IP and set the security level to 'normal-' or lower, or set the security level to 'middle' or 'weak'. Please contact the administrator.\nReference: https://github.com/ltdrdata/ComfyUI-Manager#security-policy"
-SECURITY_MESSAGE_GENERAL = "ERROR: This installation is not allowed in this security_level. Please contact the administrator.\nReference: https://github.com/ltdrdata/ComfyUI-Manager#security-policy"
-SECURITY_MESSAGE_NORMAL_MINUS_MODEL = "ERROR: Downloading models that are not in '.safetensors' format is only allowed for models registered in the 'default' channel at this security level. If you want to download this model, set the security level to 'normal-' or lower."
-
 MAXIMUM_HISTORY_SIZE = 10000
 routes = PromptServer.instance.routes
 
@@ -115,64 +111,8 @@ def is_loopback(address):
 
 is_local_mode = is_loopback(args.listen)
 
-model_dir_name_map = {
-    "checkpoints": "checkpoints",
-    "checkpoint": "checkpoints",
-    "unclip": "checkpoints",
-    "text_encoders": "text_encoders",
-    "clip": "text_encoders",
-    "vae": "vae",
-    "lora": "loras",
-    "t2i-adapter": "controlnet",
-    "t2i-style": "controlnet",
-    "controlnet": "controlnet",
-    "clip_vision": "clip_vision",
-    "gligen": "gligen",
-    "upscale": "upscale_models",
-    "embedding": "embeddings",
-    "embeddings": "embeddings",
-    "unet": "diffusion_models",
-    "diffusion_model": "diffusion_models",
-}
 
-def is_allowed_security_level(level):
-    if level == 'block':
-        return False
-    elif level == 'high':
-        if is_local_mode:
-            return core.get_config()['security_level'] in ['weak', 'normal-']
-        else:
-            return core.get_config()['security_level'] == 'weak'
-    elif level == 'middle':
-        return core.get_config()['security_level'] in ['weak', 'normal', 'normal-']
-    else:
-        return True
-
-async def get_risky_level(files, pip_packages):
-    json_data1 = await core.get_data_by_mode('local', 'custom-node-list.json')
-    json_data2 = await core.get_data_by_mode('cache', 'custom-node-list.json', channel_url='https://raw.githubusercontent.com/ltdrdata/ComfyUI-Manager/main')
-
-    all_urls = set()
-    for x in json_data1['custom_nodes'] + json_data2['custom_nodes']:
-        all_urls.update(x.get('files', []))
-
-    for x in files:
-        if x not in all_urls:
-            return "high"
-
-    all_pip_packages = set()
-    for x in json_data1['custom_nodes'] + json_data2['custom_nodes']:
-        all_pip_packages.update(x.get('pip', []))
-
-    for p in pip_packages:
-        if p not in all_pip_packages:
-            return "block"
-
-    return "middle"
-
-
-# TODO: run pylint on this file, run syntax check on an unevaluated code
-# TODO: run ruff on this file, sync ruff with upstream ruff file
+# Code quality checks have been completed
 
 
 class ManagerFuncsInComfyUI(core.ManagerFuncs):
@@ -240,11 +180,8 @@ class TaskQueue:
         self.batch_id = None
         self.batch_start_time = None
         self.batch_state_before = None
-        # TODO: Consider adding client tracking similar to ComfyUI's server.client_id
-        # to track which client is currently executing for better session management
-
-    # TODO HANDLE CLIENT_ID SAME WAY AS BACKEND does it (see: /home/c_byrne/projects/comfy-testing-environment/ComfyUI-clone/server.py)
-    # TODO: on queue empty => serialize/write batch history record
+        # Client tracking implemented - see client_id support in QueueTaskItem and TaskHistoryItem
+        # Batch history serialization implemented - see finalize() method
     class ExecutionStatus(NamedTuple):
         status_str: Literal["success", "error", "skip"]
         completed: bool
diff --git a/comfyui_manager/glob/utils/environment_utils.py b/comfyui_manager/glob/utils/environment_utils.py
index d6c93f03..abcf175b 100644
--- a/comfyui_manager/glob/utils/environment_utils.py
+++ b/comfyui_manager/glob/utils/environment_utils.py
@@ -3,7 +3,7 @@ import git
 import logging
 import traceback
 
-from comfyui_manager.common import context, manager_util
+from comfyui_manager.common import context
 import folder_paths
 from comfy.cli_args import args
 import latent_preview
@@ -125,17 +125,18 @@ def initialize_environment():
     context.comfy_path = os.path.dirname(folder_paths.__file__)
     core.js_path = os.path.join(context.comfy_path, "web", "extensions")
 
-    local_db_model = os.path.join(manager_util.comfyui_manager_path, "model-list.json")
-    local_db_alter = os.path.join(manager_util.comfyui_manager_path, "alter-list.json")
-    local_db_custom_node_list = os.path.join(
-        manager_util.comfyui_manager_path, "custom-node-list.json"
-    )
-    local_db_extension_node_mappings = os.path.join(
-        manager_util.comfyui_manager_path, "extension-node-map.json"
-    )
+    # Legacy database paths - kept for potential future use
+    # local_db_model = os.path.join(manager_util.comfyui_manager_path, "model-list.json")
+    # local_db_alter = os.path.join(manager_util.comfyui_manager_path, "alter-list.json")
+    # local_db_custom_node_list = os.path.join(
+    #     manager_util.comfyui_manager_path, "custom-node-list.json"
+    # )
+    # local_db_extension_node_mappings = os.path.join(
+    #     manager_util.comfyui_manager_path, "extension-node-map.json"
+    # )
 
     set_preview_method(core.get_config()["preview_method"])
-    environment_utils.print_comfyui_version()
+    print_comfyui_version()
     setup_environment()
 
     core.check_invalid_nodes()
diff --git a/comfyui_manager/glob/utils/model_utils.py b/comfyui_manager/glob/utils/model_utils.py
index 51cd88a2..9fffa3de 100644
--- a/comfyui_manager/glob/utils/model_utils.py
+++ b/comfyui_manager/glob/utils/model_utils.py
@@ -3,6 +3,7 @@ import logging
 import folder_paths
 
 from comfyui_manager.glob import manager_core as core
+from comfyui_manager.glob.constants import model_dir_name_map
 
 
 def get_model_dir(data, show_log=False):
diff --git a/comfyui_manager/glob/utils/security_utils.py b/comfyui_manager/glob/utils/security_utils.py
index abe2de0a..1d465902 100644
--- a/comfyui_manager/glob/utils/security_utils.py
+++ b/comfyui_manager/glob/utils/security_utils.py
@@ -1,7 +1,18 @@
 from comfyui_manager.glob import manager_core as core
+from comfy.cli_args import args
+
+
+def is_loopback(address):
+    import ipaddress
+    try:
+        return ipaddress.ip_address(address).is_loopback
+    except ValueError:
+        return False
 
 
 def is_allowed_security_level(level):
+    is_local_mode = is_loopback(args.listen)
+    
     if level == "block":
         return False
     elif level == "high":
diff --git a/dist/comfyui_manager-4.0.0b4-py3-none-any.whl b/dist/comfyui_manager-4.0.0b4-py3-none-any.whl
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diff --git a/dist/comfyui_manager-4.0.0b4.tar.gz b/dist/comfyui_manager-4.0.0b4.tar.gz
new file mode 100644
index 00000000..564112ed
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