Merge branch 'atk-next' into Current

blender_manifest.toml

@@ -3,7 +3,7 @@
 schema_version = "1.0.0"
 
 id = "avatar_toolkit"
-version = "0.5.0"
+version = "0.6.0"
 name = "Avatar Toolkit"
 tagline = "A modern tool for importing and optimizing models for VRChat, Resonite, and other similar games."
 maintainer = "Team NekoNeo"
@@ -16,10 +16,10 @@ license = [
 ]
 
 wheels = [
-  "./wheels/lz4-4.4.3-cp311-cp311-macosx_11_0_arm64.whl",
-  "./wheels/lz4-4.3.3-cp311-cp311-macosx_10_9_x86_64.whl",
-  "./wheels/lz4-4.4.3-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl",
-  "./wheels/lz4-4.4.3-cp311-cp311-win_amd64.whl"
+  "./wheels/lz4-4.4.5-cp311-cp311-macosx_11_0_arm64.whl",
+  "./wheels/lz4-4.4.5-cp311-cp311-macosx_10_9_x86_64.whl",
+  "./wheels/lz4-4.4.5-cp311-cp311-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl",
+  "./wheels/lz4-4.4.5-cp311-cp311-win_amd64.whl"
 ]
 
 [permissions]

core/addon_preferences.py

@@ -63,6 +63,6 @@ def get_addon_preferences(context):
 # Initialize preferences if the file doesn't exist
 if not os.path.exists(PREFERENCES_FILE):
     save_preference("language", 0)  # Set default language to 0 (auto)
-    save_preference("validation_mode", "STRICT")  # Set default validation mode
+    save_preference("validation_mode", "NONE")  # Set default validation mode to NONE (off by default)
     save_preference("enable_logging", False) # Set default logging mode
     save_preference("highlight_problem_bones", True) # Set default bone highlighting

core/armature_validation.py

@@ -15,6 +15,26 @@ from ..core.dictionaries import (
 )
 from ..core.logging_setup import logger
 
+def is_pmx_model(armature: Object) -> bool:
+    """
+    Check if the armature is a PMX/MMD model.
+    PMX models have an mmd_type attribute set to 'ROOT' on the root object.
+    """
+    if not armature:
+        return False
+    
+    # Check if armature itself has mmd_type set to ROOT
+    if hasattr(armature, 'mmd_type') and armature.mmd_type == 'ROOT':
+        return True
+    
+    # Check if parent has mmd_type set to ROOT (parent container model)
+    if hasattr(armature, 'parent') and armature.parent:
+        parent = armature.parent
+        if hasattr(parent, 'mmd_type') and parent.mmd_type == 'ROOT':
+            return True
+    
+    return False
+
 def validate_armature(armature: Object, detailed_messages: bool = False, override_mode: Optional[str] = None) -> Union[Tuple[bool, List[str], bool], Tuple[bool, List[str], bool, List[str], List[str], List[str]]]:
     """
     Validates armature and returns validation results
@@ -27,9 +47,8 @@ def validate_armature(armature: Object, detailed_messages: bool = False, overrid
     scale_messages: List[str] = []
     
     # Check if this is a PMX model
-    is_pmx_model = False
-    if armature and hasattr(armature, 'mmd_type') or (hasattr(armature, 'parent') and armature.parent and hasattr(armature.parent, 'mmd_type')):
-        is_pmx_model = True
+    pmx_model = is_pmx_model(armature)
+    if pmx_model:
         logger.debug("Detected PMX model, using specialized validation")
     
     if validation_mode == 'NONE':
@@ -157,7 +176,7 @@ def validate_armature(armature: Object, detailed_messages: bool = False, overrid
             non_standard_messages.append(t("Armature.validation.standardize_note.line3"))
     
     # Special handling for PMX models
-    if is_pmx_model:
+    if pmx_model:
         logger.info("PMX model detected, applying specialized validation")
         # For PMX models, we'll be more lenient with validation
         # and provide specific guidance for these models
@@ -783,3 +802,44 @@ class AvatarToolkit_OT_ClearBoneHighlighting(Operator):
         logger.info("Bone highlighting cleared")
         self.report({'INFO'}, t("Validation.highlighting_cleared"))
         return {'FINISHED'}
+
+class AvatarToolkit_OT_ValidateArmatureManual(Operator):
+    """Manually validate armature and show results"""
+    bl_idname = "avatar_toolkit.validate_armature_manual"
+    bl_label = t("Validation.validate_now", "Validate Armature Now")
+    bl_description = t("Validation.validate_now_desc", "Run armature validation and display detailed results")
+    
+    @classmethod
+    def poll(cls, context):
+        return get_active_armature(context) is not None
+    
+    def execute(self, context):
+        armature = get_active_armature(context)
+        if not armature:
+            logger.warning("No active armature found for validation")
+            self.report({'ERROR'}, t("Validation.no_armature"))
+            return {'CANCELLED'}
+        
+        logger.info(f"Running manual validation for armature: {armature.name}")
+        
+        # Clear the validation cache to force a refresh
+        from ..ui.quick_access_panel import clear_armature_caches
+        clear_armature_caches()
+        
+        # Toggle the show_validation_results flag to display results
+        props = context.scene.avatar_toolkit
+        props.show_validation_results = True
+        
+        # Run validation
+        is_valid, messages, is_acceptable = validate_armature(armature, detailed_messages=False)
+        
+        if is_valid:
+            if is_acceptable:
+                self.report({'INFO'}, t("Armature.validation.acceptable_standard.success"))
+            else:
+                self.report({'INFO'}, t("QuickAccess.valid_armature"))
+        else:
+            self.report({'WARNING'}, t("Validation.status.failed"))
+        
+        logger.info("Manual validation complete")
+        return {'FINISHED'}

core/properties.py

@@ -35,6 +35,11 @@ def update_validation_mode(self: PropertyGroup, context: Context) -> None:
     logger.info(f"Updating validation mode to: {self.validation_mode}")
     save_preference("validation_mode", self.validation_mode)
     
+    # Hide validation results if mode is set to NONE
+    if self.validation_mode == 'NONE':
+        self.show_validation_results = False
+        logger.debug("Validation mode set to NONE, hiding validation results")
+
 
 def update_logging_state(self: PropertyGroup, context: Context) -> None:
     """Updates logging state and configures logging"""
@@ -153,6 +158,12 @@ class AvatarToolkitSceneProperties(PropertyGroup):
         default=False
     )
 
+    show_validation_results: BoolProperty(
+        name="Show Validation Results",
+        default=False,
+        description="Show the validation results section"
+    )
+
     material_search_filter: StringProperty(
         name=t("TextureAtlas.search_materials"),
         description=t("TextureAtlas.search_materials_desc"),
@@ -283,7 +294,7 @@ class AvatarToolkitSceneProperties(PropertyGroup):
             ('BASIC', t("Settings.validation_mode.basic"), t("Settings.validation_mode.basic_desc")),
             ('NONE', t("Settings.validation_mode.none"), t("Settings.validation_mode.none_desc"))
         ],
-        default=get_preference("validation_mode", "STRICT"),
+        default=get_preference("validation_mode", "NONE"),
         update=update_validation_mode
     )
 

resources/translations/en_US.json

@@ -1,7 +1,7 @@
 {
   "authors": ["Avatar Toolkit Team"],
   "messages": {
-    "AvatarToolkit.label": "Avatar Toolkit (Alpha 0.5.0)",
+    "AvatarToolkit.label": "Avatar Toolkit (Alpha 0.6.0)",
     "AvatarToolkit.desc1": "Avatar Toolkit is in Early Access there",
     "AvatarToolkit.desc2": "will be issues, if you find any issues,",
     "AvatarToolkit.desc3": "please report it on our Github.",
@@ -117,6 +117,15 @@
     "Validation.clear_bone_highlighting": "Clear Bone Highlighting",
     "Validation.clear_bone_highlighting_desc": "Remove bone highlighting and reset bone colors to default",
     "Validation.highlighting_cleared": "Bone highlighting cleared successfully",
+    "Validation.label": "Armature Validation",
+    "Validation.validate_now": "Validate Armature Now",
+    "Validation.validate_now_desc": "Run armature validation and display detailed results",
+    "Validation.results": "Validation Results",
+    "Validation.tpose.validate_now": "Validate T-Pose Now",
+
+    "Armature.validation.acceptable_standard.success": "Armature meets acceptable standards",
+    "Armature.validation.acceptable_standard.note": "This is a valid armature format that is compatible with most avatar systems",
+    "Armature.validation.acceptable_standard.option": "You can standardize the armature if desired",
 
     "Mesh.validation.no_data": "No mesh data",
     "Mesh.validation.no_vertex_groups": "No vertex groups found",
@@ -191,6 +200,7 @@
     "Tools.digitigrade_error": "Failed to create digitigrade legs: {error}",
     "Tools.digitigrade_success": "Successfully created digitigrade leg setup",
     "Tools.processing_leg": "Processing leg bone: {bone}",
+    "Tools.weight_title": "Weight Tools",
     "Tools.merge_twist_bones": "Keep Twist Bones",
     "Tools.merge_twist_bones_desc": "When checked, twist bones will be kept, even if there are zero-weight",
     "Tools.clean_weights": "Remove Zero Weight Bones",
@@ -587,7 +597,6 @@
     "VRM.validation.hierarchy_issues": "Conversion completed but hierarchy validation found issues:",
     "VRM.validation.armature_passed": "Armature passes standard validation",
     "VRM.validation.failed": "Conversion completed but validation failed: {error}",
-    "VRM.remove_colliders": "Remove Colliders",
     "VRM.remove_colliders_desc": "Remove VRM collider bones during conversion",
     "VRM.remove_root": "Remove Root Bone", 
     "VRM.remove_root_desc": "Remove unnecessary VRM root bone and make Hips the root bone",

resources/translations/ja_JP.json

@@ -1,7 +1,7 @@
 {
   "authors": ["Avatar Toolkit Team"],
   "messages": {
-    "AvatarToolkit.label": "アバターツールキット (アルファ 0.5.0)",
+    "AvatarToolkit.label": "アバターツールキット (アルファ 0.6.0)",
     "AvatarToolkit.desc1": "アバターツールキットは早期アクセス中であり、",
     "AvatarToolkit.desc2": "問題が発生する可能性があります。問題を見つけた場合は、",
     "AvatarToolkit.desc3": "GitHubで報告してください。",
@@ -117,6 +117,15 @@
     "Validation.clear_bone_highlighting": "ボーンの強調表示をクリア",
     "Validation.clear_bone_highlighting_desc": "ボーンの強調表示を削除し、ボーンの色をデフォルトにリセット",
     "Validation.highlighting_cleared": "ボーンの強調表示が正常にクリアされました",
+    "Validation.label": "アーマチュア検証",
+    "Validation.validate_now": "アーマチュアを検証する",
+    "Validation.validate_now_desc": "アーマチュア検証を実行し、詳細な結果を表示",
+    "Validation.results": "検証結果",
+    "Validation.tpose.validate_now": "T-ポーズを検証する",
+
+    "Armature.validation.acceptable_standard.success": "アーマチュアが許容可能な標準を満たしています",
+    "Armature.validation.acceptable_standard.note": "これは、ほとんどのアバターシステムと互換性のある有効なアーマチュア形式です",
+    "Armature.validation.acceptable_standard.option": "必要に応じてアーマチュアを標準化できます",
 
     "Mesh.validation.no_data": "メッシュデータがありません",
     "Mesh.validation.no_vertex_groups": "頂点グループが見つかりません",
@@ -194,6 +203,7 @@
     "Tools.digitigrade_error": "デジティグレード脚の作成に失敗: {error}",
     "Tools.digitigrade_success": "デジティグレード脚の設定が正常に作成されました",
     "Tools.processing_leg": "脚のボーンを処理中: {bone}",
+    "Tools.weight_title": "ウェイトツール",
     "Tools.merge_twist_bones": "ツイストボーンを保持",
     "Tools.merge_twist_bones_desc": "チェックすると、ウェイトがゼロでもツイストボーンが保持されます",
     "Tools.clean_weights": "ゼロウェイトボーンを削除",
@@ -549,7 +559,6 @@
     "VRM.armature_name": "アーマチュア: {name}",
     "VRM.armature_detected": "VRMアーマチュアが検出されました",
     "VRM.no_vrm_bones_detected": "VRMボーンが検出されませんでした",
-    "VRM.remove_colliders": "コライダーを削除",
     "VRM.remove_root_bone": "ルートボーンを削除",
     "VRM.convert_to_unity_format": "Unity形式に変換",
     "VRM.convert_to_unity.label": "VRMをUnityに変換",

resources/translations/ko_KR.json

@@ -1,7 +1,7 @@
 {
   "authors": ["Avatar Toolkit Team"],
   "messages": {
-    "AvatarToolkit.label": "아바타 툴킷 (알파 0.5.0)",
+    "AvatarToolkit.label": "아바타 툴킷 (알파 0.6.0)",
     "AvatarToolkit.desc1": "아바타 툴킷은 초기 액세스 단계에 있으므로",
     "AvatarToolkit.desc2": "문제가 있을 수 있습니다. 문제를 발견하시면",
     "AvatarToolkit.desc3": "Github에 보고해 주세요.",
@@ -117,6 +117,15 @@
     "Validation.clear_bone_highlighting": "본 강조 표시 지우기",
     "Validation.clear_bone_highlighting_desc": "본 강조 표시를 제거하고 본 색상을 기본값으로 재설정",
     "Validation.highlighting_cleared": "본 강조 표시 지우기 성공",
+    "Validation.label": "아마추어 검증",
+    "Validation.validate_now": "지금 아마추어 검증",
+    "Validation.validate_now_desc": "아마추어 검증을 실행하고 자세한 결과 표시",
+    "Validation.results": "검증 결과",
+    "Validation.tpose.validate_now": "지금 T-포즈 검증",
+
+    "Armature.validation.acceptable_standard.success": "아마추어가 허용 가능한 표준을 충족합니다",
+    "Armature.validation.acceptable_standard.note": "이것은 대부분의 아바타 시스템과 호환되는 유효한 아마추어 형식입니다",
+    "Armature.validation.acceptable_standard.option": "필요한 경우 아마추어를 표준화할 수 있습니다",
 
     "Mesh.validation.no_data": "메시 데이터 없음",
     "Mesh.validation.no_vertex_groups": "버텍스 그룹을 찾을 수 없음",
@@ -194,6 +203,7 @@
     "Tools.digitigrade_error": "디지티그레이드 다리 생성 실패: {error}",
     "Tools.digitigrade_success": "디지티그레이드 다리 설정 생성 성공",
     "Tools.processing_leg": "다리 본 처리 중: {bone}",
+    "Tools.weight_title": "가중치 도구",
     "Tools.merge_twist_bones": "트위스트 본 유지",
     "Tools.merge_twist_bones_desc": "체크하면 가중치가 0이더라도 트위스트 본이 유지됩니다",
     "Tools.clean_weights": "가중치 0인 본 제거",
@@ -549,7 +559,6 @@
     "VRM.armature_name": "아마추어: {name}",
     "VRM.armature_detected": "VRM 아마추어 감지됨",
     "VRM.no_vrm_bones_detected": "VRM 본이 감지되지 않음",
-    "VRM.remove_colliders": "콜라이더 제거",
     "VRM.remove_root_bone": "루트 본 제거",
     "VRM.convert_to_unity_format": "Unity 형식으로 변환",
     "VRM.convert_to_unity.label": "VRM을 Unity로 변환",

ui/atlas_materials_panel.py

@@ -2,6 +2,7 @@ from bpy.types import UIList, Panel, UILayout, Object, Context, Material, Operat
 import bpy
 from math import sqrt
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.common import SceneMatClass, MaterialListBool, get_active_armature
 from ..functions.atlas_materials import AvatarToolKit_OT_AtlasMaterials
 from ..core.translations import t
@@ -214,7 +215,8 @@ class AvatarToolKit_PT_TextureAtlasPanel(Panel):
     bl_region_type = 'UI'
     bl_category = CATEGORY_NAME
     bl_parent_id = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order = 7
+    bl_order = get_panel_order('texture_atlas')
+    bl_options = set() if not should_open_by_default('TEXTURE_ATLAS') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context):
         layout = self.layout

ui/custom_avatar_panel.py

@@ -2,6 +2,7 @@ import bpy
 from typing import Set, List, Tuple, Any
 from bpy.types import Panel, Context, UILayout, Operator, Event, WindowManager
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from .panel_layout import get_panel_order, should_open_by_default
 from ..functions.custom_tools.mesh_attachment import AvatarToolkit_OT_AttachMesh
 from ..functions.custom_tools.armature_merging import AvatarToolkit_OT_MergeArmature
 from ..core.translations import t
@@ -112,8 +113,8 @@ class AvatarToolKit_PT_CustomPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 4
-    bl_options: Set[str] = {'DEFAULT_CLOSED'}
+    bl_order: int = get_panel_order('custom_avatar')
+    bl_options: Set[str] = set() if not should_open_by_default('CUSTOM_AVATAR') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draw the custom avatar panel UI"""

ui/eye_tracking_panel.py

@@ -2,6 +2,8 @@ import bpy
 from typing import Set
 from bpy.types import Panel, Context, UILayout, Operator, Event, WindowManager
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from .ui_utils import UIStyle, draw_section_header, wrap_text_label
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.translations import t
 from ..core.common import get_active_armature, get_all_meshes
 from ..functions.eye_tracking import (
@@ -26,38 +28,37 @@ class AvatarToolKit_PT_EyeTrackingPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 6
-    bl_options: Set[str] = {'DEFAULT_CLOSED'}
+    bl_order: int = get_panel_order('eye_tracking')
+    bl_options: Set[str] = set() if not should_open_by_default('EYE_TRACKING') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draw the eye tracking panel interface"""
         layout: UILayout = self.layout
         toolkit = context.scene.avatar_toolkit
 
-        # SDK Version Selection Box
-        sdk_box: UILayout = layout.box()
-        col: UILayout = sdk_box.column(align=True)
-        col.label(text=t("EyeTracking.sdk_version"), icon='PRESET')
-        col.separator(factor=0.5)
+        # SDK Version Selection
+        col = draw_section_header(layout, t("EyeTracking.sdk_version"), icon='PRESET')
         row: UILayout = col.row(align=True)
         row.prop(toolkit, "eye_tracking_type", expand=True)
 
         if toolkit.eye_tracking_type == 'SDK2':
-            # SDK2 Warning Box
+            # SDK2 Warning
             warning_box: UILayout = layout.box()
             col: UILayout = warning_box.column(align=True)
-            col.label(text=t("EyeTracking.sdk2_warning"), icon='INFO')
-            col.separator(factor=0.5)
-            col.label(text=t("EyeTracking.sdk2_warning_detail1"))
-            col.label(text=t("EyeTracking.sdk2_warning_detail2"))
-            col.label(text=t("EyeTracking.sdk2_warning_detail3"))
-            col.label(text=t("EyeTracking.sdk2_warning_detail4"))
+            col.alert = True
+            col.label(text=t("EyeTracking.sdk2_warning"), icon='ERROR')
+            col.separator(factor=UIStyle.SUBSECTION_SEPARATOR_FACTOR)
             
-            # Mode Selection Box
-            mode_box: UILayout = layout.box()
-            col: UILayout = mode_box.column(align=True)
-            col.label(text=t("EyeTracking.setup"), icon='TOOL_SETTINGS')
-            col.separator(factor=0.5)
+            warning_text = "\n".join([
+                t("EyeTracking.sdk2_warning_detail1"),
+                t("EyeTracking.sdk2_warning_detail2"),
+                t("EyeTracking.sdk2_warning_detail3"),
+                t("EyeTracking.sdk2_warning_detail4")
+            ])
+            wrap_text_label(col, warning_text, max_length=45)
+            
+            # Mode Selection
+            col = draw_section_header(layout, t("EyeTracking.setup"), icon='TOOL_SETTINGS')
             col.prop(toolkit, "eye_mode", expand=True)
 
             if toolkit.eye_mode == 'CREATION':
@@ -72,11 +73,9 @@ class AvatarToolKit_PT_EyeTrackingPanel(Panel):
         """Draw the AV3 eye tracking setup interface"""
         toolkit = context.scene.avatar_toolkit
 
-        # Bone Setup Box
-        bone_box: UILayout = layout.box()
-        col: UILayout = bone_box.column(align=True)
-        col.label(text=t("EyeTracking.bone_setup"), icon='BONE_DATA')
-        col.separator(factor=0.5)
+        # Bone Setup
+        col = draw_section_header(layout, t("EyeTracking.bone_setup"), icon='BONE_DATA')
+
 
         armature = get_active_armature(context)
         if armature:
@@ -86,21 +85,16 @@ class AvatarToolKit_PT_EyeTrackingPanel(Panel):
         else:
             col.label(text=t("EyeTracking.no_armature"), icon='ERROR')
 
-        # Create Button
         row: UILayout = layout.row(align=True)
-        row.scale_y = 1.5
+        row.scale_y = UIStyle.PRIMARY_BUTTON_SCALE
         row.operator(CreateEyesAV3Button.bl_idname, icon='PLAY')
 
     def draw_creation_mode(self, context: Context, layout: UILayout) -> None:
         """Draw the eye tracking creation mode interface"""
         toolkit = context.scene.avatar_toolkit
 
-        # Bone Setup Box
-        bone_box: UILayout = layout.box()
-        col: UILayout = bone_box.column(align=True)
-        col.label(text=t("EyeTracking.bone_setup"), icon='BONE_DATA')
-        col.separator(factor=0.5)
-
+        # Bone Setup
+        col = draw_section_header(layout, t("EyeTracking.bone_setup"), icon='BONE_DATA')
         armature = get_active_armature(context)
         if armature:
             col.prop_search(toolkit, "head", armature.data, "bones", text=t("EyeTracking.head_bone"))
@@ -109,19 +103,12 @@ class AvatarToolKit_PT_EyeTrackingPanel(Panel):
         else:
             col.label(text=t("EyeTracking.no_armature"), icon='ERROR')
 
-        # Mesh Setup Box
-        mesh_box: UILayout = layout.box()
-        col: UILayout = mesh_box.column(align=True)
-        col.label(text=t("EyeTracking.mesh_setup"), icon='MESH_DATA')
-        col.separator(factor=0.5)
+        # Mesh Setup
+        col = draw_section_header(layout, t("EyeTracking.mesh_setup"), icon='MESH_DATA')
         col.prop_search(toolkit, "mesh_name_eye", bpy.data, "objects", text="")
 
-        # Shape Key Setup Box
-        shape_box: UILayout = layout.box()
-        col: UILayout = shape_box.column(align=True)
-        col.label(text=t("EyeTracking.shapekey_setup"), icon='SHAPEKEY_DATA')
-        col.separator(factor=0.5)
-
+        # Shape Key Setup
+        col = draw_section_header(layout, t("EyeTracking.shapekey_setup"), icon='SHAPEKEY_DATA')
         mesh = bpy.data.objects.get(toolkit.mesh_name_eye)
         if mesh and mesh.data.shape_keys:
             col.prop_search(toolkit, "wink_left", mesh.data.shape_keys, "key_blocks", text=t("EyeTracking.wink_left"))
@@ -131,19 +118,15 @@ class AvatarToolKit_PT_EyeTrackingPanel(Panel):
         else:
             col.label(text=t("EyeTracking.no_shapekeys"), icon='ERROR')
 
-        # Options Box
-        options_box: UILayout = layout.box()
-        col: UILayout = options_box.column(align=True)
-        col.label(text=t("EyeTracking.options"), icon='SETTINGS')
-        col.separator(factor=0.5)
+        # Options
+        col = draw_section_header(layout, t("EyeTracking.options"), icon='SETTINGS')
         col.prop(toolkit, "disable_eye_blinking")
         col.prop(toolkit, "disable_eye_movement")
         if not toolkit.disable_eye_movement:
             col.prop(toolkit, "eye_distance")
 
-        # Create Button
         row: UILayout = layout.row(align=True)
-        row.scale_y = 1.5
+        row.scale_y = UIStyle.PRIMARY_BUTTON_SCALE
         row.operator(CreateEyesSDK2Button.bl_idname, icon='PLAY')
 
     def draw_testing_mode(self, context: Context, layout: UILayout) -> None:
@@ -151,37 +134,25 @@ class AvatarToolKit_PT_EyeTrackingPanel(Panel):
         toolkit = context.scene.avatar_toolkit
 
         if context.mode != 'POSE':
-            # Testing Start Box
-            test_box: UILayout = layout.box()
-            col: UILayout = test_box.column(align=True)
-            col.label(text=t("EyeTracking.testing"), icon='PLAY')
-            col.separator(factor=0.5)
+            # Testing Start
+            col = draw_section_header(layout, t("EyeTracking.testing"), icon='PLAY')
             row: UILayout = col.row(align=True)
-            row.scale_y = 1.5
+            row.scale_y = UIStyle.PRIMARY_BUTTON_SCALE
             row.operator(StartTestingButton.bl_idname, icon='PLAY')
         else:
-            # Eye Rotation Box
-            rotation_box: UILayout = layout.box()
-            col: UILayout = rotation_box.column(align=True)
-            col.label(text=t("EyeTracking.rotation_controls"), icon='DRIVER_ROTATIONAL_DIFFERENCE')
-            col.separator(factor=0.5)
+            # Eye Rotation
+            col = draw_section_header(layout, t("EyeTracking.rotation_controls"), icon='DRIVER_ROTATIONAL_DIFFERENCE')
             col.prop(toolkit, "eye_rotation_x", text=t("EyeTracking.rotation.x"))
             col.prop(toolkit, "eye_rotation_y", text=t("EyeTracking.rotation.y"))
             col.operator(ResetRotationButton.bl_idname, icon='LOOP_BACK')
 
-            # Eye Adjustment Box
-            adjust_box: UILayout = layout.box()
-            col: UILayout = adjust_box.column(align=True)
-            col.label(text=t("EyeTracking.adjustments"), icon='MODIFIER')
-            col.separator(factor=0.5)
+            # Eye Adjustment
+            col = draw_section_header(layout, t("EyeTracking.adjustments"), icon='MODIFIER')
             col.prop(toolkit, "eye_distance")
             col.operator(AdjustEyesButton.bl_idname, icon='CON_TRACKTO')
 
-            # Blinking Test Box
-            blink_box: UILayout = layout.box()
-            col: UILayout = blink_box.column(align=True)
-            col.label(text=t("EyeTracking.blink_testing"), icon='HIDE_OFF')
-            col.separator(factor=0.5)
+            # Blinking Test
+            col = draw_section_header(layout, t("EyeTracking.blink_testing"), icon='HIDE_OFF')
             row: UILayout = col.row(align=True)
             row.prop(toolkit, "eye_blink_shape")
             row.operator(TestBlinking.bl_idname, icon='RESTRICT_VIEW_OFF')
@@ -192,7 +163,7 @@ class AvatarToolKit_PT_EyeTrackingPanel(Panel):
 
             # Stop Testing Button
             row: UILayout = layout.row(align=True)
-            row.scale_y = 1.5
+            row.scale_y = UIStyle.PRIMARY_BUTTON_SCALE
             row.operator(StopTestingButton.bl_idname, icon='PAUSE')
 
         # Reset Button

ui/main_panel.py

@@ -1,6 +1,7 @@
 import bpy
 from typing import Optional, Set
 from bpy.types import Panel, Context, UILayout
+from .ui_utils import UIStyle, wrap_text_label
 from ..core.translations import t
 
 CATEGORY_NAME: str = "Avatar Toolkit"
@@ -16,13 +17,14 @@ def draw_title(self: Panel) -> None:
     row.scale_y: float = 1.2
     row.label(text=t("AvatarToolkit.label"), icon='ARMATURE_DATA')
     
-    # Description as a flowing paragraph
-    desc_col: UILayout = col.column()
-    desc_col.scale_y: float = 0.6
-    desc_col.label(text=t("AvatarToolkit.desc1"))
-    desc_col.label(text=t("AvatarToolkit.desc2"))
-    desc_col.label(text=t("AvatarToolkit.desc3"))
-    col.separator()
+    # Description
+    col.separator(factor=UIStyle.SECTION_SEPARATOR_FACTOR)
+    description = " ".join([
+        t("AvatarToolkit.desc1"),
+        t("AvatarToolkit.desc2"),
+        t("AvatarToolkit.desc3")
+    ])
+    wrap_text_label(col, description, max_length=50)
 
 class AvatarToolKit_PT_AvatarToolkitPanel(Panel):
     """Main panel for Avatar Toolkit containing general information and settings"""

ui/optimization_panel.py

@@ -2,6 +2,8 @@ import bpy
 from typing import Set
 from bpy.types import Panel, Context, UILayout, Operator
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from .ui_utils import UIStyle, draw_section_header, draw_operator_row
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.translations import t
 from ..functions.optimization.materials_tools import AvatarToolkit_OT_CombineMaterials
 from ..functions.optimization.remove_doubles import AvatarToolkit_OT_RemoveDoubles
@@ -15,39 +17,24 @@ class AvatarToolKit_PT_OptimizationPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 1
-    bl_options = {'DEFAULT_CLOSED'}
+    bl_order: int = get_panel_order('optimization')
+    bl_options = set() if not should_open_by_default('OPTIMIZATION') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draws the optimization panel interface with material, mesh cleanup and join mesh tools"""
         layout: UILayout = self.layout
         
-        # Materials Box
-        materials_box: UILayout = layout.box()
-        col: UILayout = materials_box.column(align=True)
-        col.label(text=t("Optimization.materials_title"), icon='MATERIAL')
-        col.separator(factor=0.5)
-                
-        # Material Operations
+        # Materials section
+        col = draw_section_header(layout, t("Optimization.materials_title"), icon='MATERIAL')
         col.operator(AvatarToolkit_OT_CombineMaterials.bl_idname, icon='MATERIAL')
         
-        # Mesh Cleanup Box
-        cleanup_box: UILayout = layout.box()
-        col: UILayout = cleanup_box.column(align=True)
-        col.label(text=t("Optimization.cleanup_title"), icon='MESH_DATA')
-        col.separator(factor=0.5)
+        # Mesh Cleanup section
+        col = draw_section_header(layout, t("Optimization.cleanup_title"), icon='MESH_DATA')
+        col.operator(AvatarToolkit_OT_RemoveDoubles.bl_idname, icon='MESH_DATA')
         
-        # Remove Doubles Row
-        row: UILayout = col.row(align=True)
-        row.operator(AvatarToolkit_OT_RemoveDoubles.bl_idname, icon='MESH_DATA')
-        
-        # Join Meshes Box
-        join_box: UILayout = layout.box()
-        col: UILayout = join_box.column(align=True)
-        col.label(text=t("Optimization.join_meshes_title"), icon='OBJECT_DATA')
-        col.separator(factor=0.5)
-        
-        # Join Meshes Row
-        row: UILayout = col.row(align=True)
-        row.operator(AvatarToolkit_OT_JoinAllMeshes.bl_idname, icon='OBJECT_DATA')
-        row.operator(AvatarToolkit_OT_JoinSelectedMeshes.bl_idname, icon='RESTRICT_SELECT_OFF')
+        # Join Meshes section
+        col = draw_section_header(layout, t("Optimization.join_meshes_title"), icon='OBJECT_DATA')
+        draw_operator_row(col, [
+            (AvatarToolkit_OT_JoinAllMeshes.bl_idname, t("Optimization.join_all_meshes"), 'OBJECT_DATA'),
+            (AvatarToolkit_OT_JoinSelectedMeshes.bl_idname, t("Optimization.join_selected_meshes"), 'RESTRICT_SELECT_OFF')
+        ])

ui/panel_layout.py

@@ -0,0 +1,53 @@
+"""Panel ordering and organization guide for Avatar Toolkit UI
+This module defines the standard panel order and grouping for the Avatar Toolkit.
+"""
+
+# Main Panel
+MAIN_PANEL_ORDER = -1  # Always first (parent panel)
+QUICK_ACCESS_ORDER = 0
+OPTIMIZATION_ORDER = 1
+TOOLS_ORDER = 2
+CUSTOM_TOOLS_ORDER = 3
+CUSTOM_AVATAR_ORDER = 4
+TRANSLATION_ORDER = 5
+VISEMES_ORDER = 6
+EYE_TRACKING_ORDER = 7
+TEXTURE_ATLAS_ORDER = 8
+VRM_UNITY_ORDER = 9
+SETTINGS_ORDER = 10
+
+# Panel open/closed by default
+PANELS_OPEN_BY_DEFAULT = {
+    'QUICK_ACCESS': False, 
+    'OPTIMIZATION': True,   
+    'TOOLS': True,          
+    'CUSTOM_TOOLS': True,   
+    'CUSTOM_AVATAR': True,  
+    'VISEMES': True,        
+    'EYE_TRACKING': True,   
+    'TEXTURE_ATLAS': True,  
+    'VRM_UNITY': True,      
+    'SETTINGS': True,       
+    'TRANSLATION': True,   
+}
+
+def get_panel_order(panel_name: str) -> int:
+    """Get the recommended bl_order value for a panel"""
+    order_map = {
+        'quick_access': QUICK_ACCESS_ORDER,
+        'optimization': OPTIMIZATION_ORDER,
+        'tools': TOOLS_ORDER,
+        'custom_tools': CUSTOM_TOOLS_ORDER,
+        'custom_avatar': CUSTOM_AVATAR_ORDER,
+        'translation': TRANSLATION_ORDER,
+        'visemes': VISEMES_ORDER,
+        'eye_tracking': EYE_TRACKING_ORDER,
+        'texture_atlas': TEXTURE_ATLAS_ORDER,
+        'vrm_unity': VRM_UNITY_ORDER,
+        'settings': SETTINGS_ORDER,
+    }
+    return order_map.get(panel_name.lower(), 99)
+
+def should_open_by_default(panel_name: str) -> bool:
+    """Check if a panel should be open by default"""
+    return PANELS_OPEN_BY_DEFAULT.get(panel_name.upper(), True)

ui/quick_access_panel.py

@@ -10,6 +10,8 @@ from bpy.types import (
     Object
 )
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from .ui_utils import UIStyle, draw_section_header, draw_operator_row
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.translations import t
 from ..core.common import (
     get_active_armature, 
@@ -34,7 +36,7 @@ from ..functions.pose_mode import (
     AvatarToolkit_OT_ApplyPoseAsShapekey,
     AvatarToolkit_OT_ApplyPoseAsRest
 )
-from ..core.armature_validation import validate_armature, AvatarToolkit_OT_ValidateTPose
+from ..core.armature_validation import validate_armature, AvatarToolkit_OT_ValidateTPose, is_pmx_model
 from ..core.importers.importer import AvatarToolKit_OT_Import
 from ..core.resonite_utils import AvatarToolKit_OT_ExportResonite
 from ..functions.tools.standardize_armature import AvatarToolkit_OT_StandardizeArmature
@@ -79,26 +81,37 @@ class AvatarToolKit_PT_QuickAccessPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 0
+    bl_order: int = get_panel_order('quick_access')
+    bl_options = {'DEFAULT_CLOSED'} if should_open_by_default('QUICK_ACCESS') else set()
 
     def draw(self, context: Context) -> None:
         """Draw the panel layout"""
         layout: UILayout = self.layout
         props = context.scene.avatar_toolkit
         
-        # Armature Selection Box
-        armature_box: UILayout = layout.box()
-        col: UILayout = armature_box.column(align=True)
-        col.label(text=t("QuickAccess.select_armature"), icon='ARMATURE_DATA')
-        col.separator(factor=0.5)
-        
         # Armature Selection
+        col = draw_section_header(layout, t("QuickAccess.select_armature"), icon='ARMATURE_DATA')
         col.prop(context.scene.avatar_toolkit, "active_armature", text="")
         
-        # Armature Validation (cached to improve performance)
+        # Get active armature
         active_armature: Optional[Object] = get_active_armature(context)
         if active_armature:
-            # Cache validation results to avoid expensive recalculations on every draw
+            # Validation Section
+            col = draw_section_header(layout, t("Validation.label", "Armature Validation"), icon='CHECKMARK')
+            
+            # Main validate button with prominent styling
+            validate_row = col.row(align=True)
+            validate_row.scale_y = UIStyle.PRIMARY_BUTTON_SCALE
+            validate_row.operator("avatar_toolkit.validate_armature_manual", 
+                                text=t("Validation.validate_now", "Validate Armature Now"), 
+                                icon='CHECKMARK')
+            
+            # Validation mode selector
+            col.prop(props, "validation_mode", text=t("Settings.validation_mode", "Mode"))
+            
+            # Show validation results if flag is set
+            if props.show_validation_results:
+                # Cache validation results
                 cache_key = f"validation_{active_armature.name}_{active_armature.data.name}_{len(active_armature.data.bones)}"
                 
                 if cache_key not in _validation_cache:
@@ -107,15 +120,16 @@ class AvatarToolKit_PT_QuickAccessPanel(Panel):
                 is_valid, messages, is_acceptable, hierarchy_messages, scale_messages, non_standard_messages = _validation_cache[cache_key]
                 
                 # Check if this is a PMX model
-            is_pmx_model = False
-            if hasattr(active_armature, 'mmd_type') or (hasattr(active_armature, 'parent') and active_armature.parent and hasattr(active_armature.parent, 'mmd_type')):
-                is_pmx_model = True
+                pmx_detected = is_pmx_model(active_armature)
                 
-            info_box = col.box()
+                results_box = col.box()
+                row = results_box.row()
+                row.prop(props, "show_validation_results", text=t("Validation.results", "Validation Results"), 
+                        icon='TRIA_DOWN' if props.show_validation_results else 'TRIA_RIGHT', emboss=False)
                 
-            # If it's a PMX model, display a prominent notice
-            if is_pmx_model:
-                pmx_box = info_box.box()
+                # PMX Model Notice
+                if pmx_detected:
+                    pmx_box = results_box.box()
                     pmx_box.label(text=t("Armature.validation.pmx_model_detected"), icon='INFO')
                     
                     validation_mode = context.scene.avatar_toolkit.validation_mode
@@ -125,38 +139,35 @@ class AvatarToolKit_PT_QuickAccessPanel(Panel):
                     else:
                         pmx_box.label(text=t("Armature.validation.pmx_model_basic"))
                 
+                # Validation Results
                 if not is_valid:
-                # Display non-standard bones and hierarchy issues
+                    # Display found bones
                     if messages and len(messages) > 0:
-                    # Found Bones section
-                    validation_box = info_box.box()
-                    row = validation_box.row()
-                    row.prop(props, "show_found_bones", text=t("Validation.section.found_bones"), icon='TRIA_DOWN' if props.show_found_bones else 'TRIA_RIGHT', emboss=False)
-                    if props.show_found_bones and len(messages) > 0:
+                        bones_section = results_box.box()
+                        row = bones_section.row()
+                        row.prop(props, "show_found_bones", text=t("Validation.section.found_bones"), 
+                                icon='TRIA_DOWN' if props.show_found_bones else 'TRIA_RIGHT', emboss=False)
+                        if props.show_found_bones:
                             for line in messages[0].split('\n'):
-                            validation_box.label(text=line)
+                                bones_section.label(text=line)
                     
-                    # Main validation status
-                    validation_box = info_box.box()
-                    row = validation_box.row()
+                    # Status message
+                    status_box = results_box.box()
+                    row = status_box.row()
                     row.alert = True
-                    row.label(text=t("Validation.status.failed"))
+                    row.label(text=t("Validation.status.failed"), icon='ERROR')
                     
-                    # Detailed validation message
-                    validation_box = info_box.box()
-                    row = validation_box.row()
-                    row.alert = True
-                    row.label(text=t("Validation.message.failed.line1"))
-                    row = validation_box.row()
-                    row.alert = True
-                    row.label(text=t("Validation.message.failed.line2"))
-                    row = validation_box.row()
-                    row.alert = True
-                    row.label(text=t("Validation.message.failed.line3"))
+                    # Error explanation
+                    error_box = results_box.box()
+                    error_box.alert = True
+                    error_box.label(text=t("Validation.message.failed.line1"))
+                    error_box.label(text=t("Validation.message.failed.line2"))
+                    error_box.label(text=t("Validation.message.failed.line3"))
                     
                     # Non-Standard Bones section
-                    validation_box = info_box.box()
-                    row = validation_box.row()
+                    if non_standard_messages or pmx_detected:
+                        ns_section = results_box.box()
+                        row = ns_section.row()
                         row.alert = True
                         row.prop(props, "show_non_standard", text=t("Validation.section.non_standard"), 
                                 icon='TRIA_DOWN' if props.show_non_standard else 'TRIA_RIGHT', emboss=False)
@@ -164,161 +175,108 @@ class AvatarToolKit_PT_QuickAccessPanel(Panel):
                             if non_standard_messages and len(non_standard_messages) > 0:
                                 for message in non_standard_messages:
                                     for line in message.split('\n'):
-                                    sub_row = validation_box.row()
+                                        sub_row = ns_section.row()
                                         sub_row.alert = True
                                         sub_row.label(text=line)
+                            elif pmx_detected:
+                                ns_section.alert = True
+                                ns_section.label(text=t("Armature.validation.pmx_model_basic"))
+                                ns_section.label(text=t("Armature.validation.pmx_model_strict"))
+                                ns_section.label(text=t("Armature.validation.pmx_model_standardize"))
                             else:
-                            # For PMX models, if no non-standard messages but it's a PMX model,
-                            # we should still indicate there might be non-standard bones
-                            if is_pmx_model:
-                                sub_row = validation_box.row()
-                                sub_row.alert = True
-                                sub_row.label(text=t("Armature.validation.pmx_model_basic"))
-                                
-                                sub_row = validation_box.row()
-                                sub_row.alert = True
-                                sub_row.label(text=t("Armature.validation.pmx_model_strict"))
-                                
-                                sub_row = validation_box.row()
-                                sub_row.alert = True
-                                sub_row.label(text=t("Armature.validation.pmx_model_standardize"))
-                                
-                            else:
-                                sub_row = validation_box.row()
-                                sub_row.label(text=t("Validation.no_non_standard_issues"))
+                                ns_section.label(text=t("Validation.no_non_standard_issues"))
                     
                     # Hierarchy Issues section
-                    validation_box = info_box.box()
-                    row = validation_box.row()
+                    if hierarchy_messages:
+                        hier_section = results_box.box()
+                        row = hier_section.row()
                         row.alert = True
                         row.prop(props, "show_hierarchy", text=t("Validation.section.hierarchy"), 
                                 icon='TRIA_DOWN' if props.show_hierarchy else 'TRIA_RIGHT', emboss=False)
                         if props.show_hierarchy:
-                        if hierarchy_messages:
                             for message in hierarchy_messages:
-                                sub_row = validation_box.row()
+                                sub_row = hier_section.row()
                                 sub_row.alert = True
                                 sub_row.label(text=message)
-                        else:
-                            sub_row = validation_box.row()
-                            sub_row.label(text=t("Validation.no_hierarchy_issues"))
                     
                     # Scale Issues section
-                    validation_box = info_box.box()
-                    row = validation_box.row()
+                    if scale_messages:
+                        scale_section = results_box.box()
+                        row = scale_section.row()
                         row.alert = True
                         row.prop(props, "show_scale_issues", text=t("Validation.section.scale_issues"), 
                                 icon='TRIA_DOWN' if props.show_scale_issues else 'TRIA_RIGHT', emboss=False)
                         if props.show_scale_issues:
-                        if scale_messages:
                             for scale_msg in scale_messages:
-                                sub_row = validation_box.row()
+                                sub_row = scale_section.row()
                                 sub_row.alert = True
                                 sub_row.label(text=scale_msg)
-                        else:
-                            sub_row = validation_box.row()
-                            sub_row.label(text=t("Validation.no_scale_issues"))
                 
-                    pose_box = layout.box()
-                    col = pose_box.column(align=True)
-                    col.label(text=t("Validation.tpose.label"), icon='ARMATURE_DATA')
-                    col.separator(factor=0.5)
-                    col.operator(AvatarToolkit_OT_ValidateTPose.bl_idname, icon='CHECKMARK')
-
-                    if props.show_tpose_validation:
-                        validation_box = col.box()
-                        if props.tpose_validation_result:
-                            validation_box.label(text=t("Validation.tpose.valid"), icon='CHECKMARK')
-                        else:
-                            row = validation_box.row()
-                            row.alert = True
-                            row.label(text=t("Validation.tpose.warning"), icon='ERROR')
-                            
-                            for msg in props.tpose_validation_messages:
-                                row = validation_box.row()
-                                row.alert = True
-                                row.label(text=msg.name)
-                else:
-                    # If no specific issues, show acceptable message
-                    if messages and len(messages) > 0:
-                        info_box.label(text=messages[0], icon='INFO')
-                        if len(messages) > 1:
-                            info_box.label(text=messages[1])
-                        if len(messages) > 2:
-                            info_box.label(text=messages[2])
-                    else:
-                        info_box.label(text=t("Validation.no_messages"), icon='INFO')
                 elif is_valid and not is_acceptable:
-                row = info_box.row()
-                split = row.split(factor=0.6)
-                split.label(text=t("QuickAccess.valid_armature"), icon='CHECKMARK')
-                
-                # Cache armature stats to avoid expensive recalculations
+                    # Valid armature - show stats
                     stats_cache_key = f"stats_{active_armature.name}_{active_armature.data.name}_{len(active_armature.data.bones)}"
                     
                     if stats_cache_key not in _stats_cache:
                         _stats_cache[stats_cache_key] = get_armature_stats(active_armature)
                     
                     stats = _stats_cache[stats_cache_key]
+                    
+                    status_box = results_box.box()
+                    row = status_box.row()
+                    row.label(text=t("QuickAccess.valid_armature"), icon='CHECKMARK')
+                    split = row.split(factor=0.4)
                     split.label(text=t("QuickAccess.bones_count", count=stats['bone_count']))
                     
                     if stats['has_pose']:
-                    info_box.label(text=t("QuickAccess.pose_bones_available"), icon='POSE_HLT')
-            elif is_valid and is_acceptable:
-                # Show acceptable standard message
-                if messages and len(messages) > 0:
-                    info_box.label(text=messages[0], icon='INFO')
+                        results_box.label(text=t("QuickAccess.pose_bones_available"), icon='POSE_HLT')
                 
-                    # Only try to access additional messages if they exist
-                    if len(messages) > 1:
-                        info_box.label(text=messages[1])
-                    if len(messages) > 2:
-                        info_box.label(text=messages[2])
-                else:
-                    info_box.label(text=t("Validation.no_messages"), icon='INFO')
+                elif is_valid and is_acceptable:
+                    # Acceptable standard
+                    status_box = results_box.box()
+                    status_box.label(text=t("Armature.validation.acceptable_standard.success"), icon='INFO')
+                    status_box.label(text=t("Armature.validation.acceptable_standard.note"))
+                    status_box.label(text=t("Armature.validation.acceptable_standard.option"))
                     
                     # Add standardize button
-                standardize_box = info_box.box()
+                    standardize_box = results_box.box()
                     standardize_box.operator(AvatarToolkit_OT_StandardizeArmature.bl_idname, 
                                         text=t("QuickAccess.standardize_armature"),
                                         icon='MODIFIER')
 
-            # Validation Mode Warnings
-            validation_mode = context.scene.avatar_toolkit.validation_mode
-            if validation_mode == 'BASIC':
-                warning_row = info_box.box()
-                warning_row.alert = True
-                warning_row.label(text=t("QuickAccess.validation_basic_warning"), icon='INFO')
-                warning_row.label(text=t("QuickAccess.validation_basic_details"))
-            elif validation_mode == 'NONE':
-                warning_row = info_box.box()
-                warning_row.alert = True
-                warning_row.label(text=t("QuickAccess.validation_none_warning"), icon='ERROR')
-                warning_row.label(text=t("QuickAccess.validation_none_details"))
+            # T-Pose Validation
+            col = draw_section_header(layout, t("Validation.tpose.label"), icon='ARMATURE_DATA')
+            col.operator(AvatarToolkit_OT_ValidateTPose.bl_idname, text=t("Validation.tpose.validate_now"), icon='CHECKMARK')
+
+            if props.show_tpose_validation:
+                validation_result_col = col.column(align=True)
+                if props.tpose_validation_result:
+                    validation_result_col.label(text=t("Validation.tpose.valid"), icon='CHECKMARK')
+                else:
+                    validation_result_col.alert = True
+                    validation_result_col.label(text=t("Validation.tpose.warning"), icon='ERROR')
+                    
+                    for msg in props.tpose_validation_messages:
+                        validation_result_col.label(text=msg.name)
 
             # Pose Mode Controls
-            pose_box: UILayout = layout.box()
-            col = pose_box.column(align=True)
-            col.label(text=t("QuickAccess.pose_controls"), icon='ARMATURE_DATA')
-            col.separator(factor=0.5)
+            col = draw_section_header(layout, t("QuickAccess.pose_controls"), icon='ARMATURE_DATA')
             
             if context.mode == "POSE":
                 col.operator(AvatarToolkit_OT_StopPoseMode.bl_idname, icon='POSE_HLT')
-                col.separator(factor=0.5)
-                col.operator(AvatarToolkit_OT_ApplyPoseAsRest.bl_idname, icon='MOD_ARMATURE')
-                col.operator(AvatarToolkit_OT_ApplyPoseAsShapekey.bl_idname, icon='MOD_ARMATURE')
+                col.separator(factor=UIStyle.SUBSECTION_SEPARATOR_FACTOR)
+                draw_operator_row(col, [
+                    (AvatarToolkit_OT_ApplyPoseAsRest.bl_idname, t("QuickAccess.apply_pose_as_rest.label"), 'MOD_ARMATURE'),
+                    (AvatarToolkit_OT_ApplyPoseAsShapekey.bl_idname, t("QuickAccess.apply_pose_as_shapekey.label"), 'MOD_ARMATURE')
+                ])
             else:
                 col.operator(AvatarToolkit_OT_StartPoseMode.bl_idname, icon='POSE_HLT')
 
-        # Import/Export Box
-        import_box: UILayout = layout.box()
-        col = import_box.column(align=True)
-        col.label(text=t("QuickAccess.import_export"), icon='IMPORT')
-        col.separator(factor=0.5)
+        # Import/Export Section
+        col = draw_section_header(layout, t("QuickAccess.import_export"), icon='IMPORT')
         
         # Import/Export Buttons
-        button_row: UILayout = col.row(align=True)
-        button_row.scale_y = 1.5
-        button_row.operator(AvatarToolKit_OT_Import.bl_idname, text=t("QuickAccess.import"), icon='IMPORT')
-        button_row.operator(AvatarToolKit_OT_ExportMenu.bl_idname, text=t("QuickAccess.export"), icon='EXPORT')
+        draw_operator_row(col, [
+            (AvatarToolKit_OT_Import.bl_idname, t("QuickAccess.import"), 'IMPORT'),
+            (AvatarToolKit_OT_ExportMenu.bl_idname, t("QuickAccess.export"), 'EXPORT')
+        ], scale_y=UIStyle.PRIMARY_BUTTON_SCALE)
 

ui/search_operators.py

@@ -0,0 +1,121 @@
+"""Base classes for reusable search operators"""
+
+from typing import Set, Callable, Optional
+from bpy.types import Operator, Context, Event, WindowManager
+
+
+class SearchOperatorBase(Operator):
+    """
+    Reusable base class for search/selection operators.
+    
+    This is an abstract base class - do not use directly.
+    Subclass and implement your specific search operator instead.
+    
+    Subclasses should:
+    1. Define bl_idname, bl_label, bl_description
+    2. Define search_property_name (name of EnumProperty)
+    3. Define target_property_name (name of property to set on scene)
+    4. Define get_items_func (function to get enum items)
+    5. Optionally override get_enum_property() to customize the enum
+
+    This was created because search in ATK was all over the place and inconsistent, this way we have a standard way to do it.
+    """
+    
+    # Mark this as abstract by setting a non-Blender-compatible idname
+    bl_idname = "wm.search_operator_base"  # Will be overridden in subclasses
+    bl_label = "Search and Select"
+    bl_options = {'REGISTER', 'INTERNAL'}
+    
+    # These should be overridden in subclasses
+    search_property_name: str = "search_enum"
+    target_property_name: str = "target_property"
+    
+    @staticmethod
+    def get_items_func(scene, context) -> list:
+        """Override this to provide enum items. Return list of (id, name, description) tuples"""
+        return []
+    
+    def get_enum_property(self) -> None:
+        """
+        Create the enum property dynamically. Override if you need custom behavior.
+        This is called during class creation.
+        """
+        import bpy
+        setattr(
+            type(self),
+            self.search_property_name,
+            bpy.props.EnumProperty(
+                name="Search",
+                description="Select item",
+                items=self.get_items_func
+            )
+        )
+    
+    def execute(self, context: Context) -> Set[str]:
+        """Set the target property from the search selection"""
+        search_value = getattr(self, self.search_property_name, None)
+        if search_value:
+            setattr(context.scene.avatar_toolkit, self.target_property_name, search_value)
+        return {'FINISHED'}
+    
+    def invoke(self, context: Context, event: Event) -> Set[str]:
+        """Open search popup"""
+        wm: WindowManager = context.window_manager
+        wm.invoke_search_popup(self)
+        return {'FINISHED'}
+
+
+class ArmatureSearchOperator(SearchOperatorBase):
+    """Specialized search operator for selecting armatures"""
+    
+    bl_label = "Search Armatures"
+    search_property_name: str = "search_armature_enum"
+    
+    @staticmethod
+    def get_items_func(scene, context) -> list:
+        """Get list of all armature objects in scene"""
+        import bpy
+        return [
+            (obj.name, obj.name, "")
+            for obj in bpy.data.objects
+            if obj.type == 'ARMATURE'
+        ]
+
+
+class MeshSearchOperator(SearchOperatorBase):
+    """Specialized search operator for selecting meshes"""
+    
+    bl_label = "Search Meshes"
+    search_property_name: str = "search_mesh_enum"
+    
+    @staticmethod
+    def get_items_func(scene, context) -> list:
+        """Get list of all mesh objects without armature modifiers"""
+        import bpy
+        return [
+            (obj.name, obj.name, "")
+            for obj in bpy.data.objects
+            if obj.type == 'MESH'
+            and not any(mod.type == 'ARMATURE' for mod in obj.modifiers)
+        ]
+
+
+class BoneSearchOperator(SearchOperatorBase):
+    """Specialized search operator for selecting bones from active armature"""
+    
+    bl_label = "Search Bones"
+    search_property_name: str = "search_bone_enum"
+    
+    @staticmethod
+    def get_items_func(scene, context) -> list:
+        """Get list of all bones from active armature"""
+        from ..core.common import get_active_armature
+        
+        armature = get_active_armature(context)
+        if not armature:
+            return []
+        
+        return [
+            (bone.name, bone.name, "")
+            for bone in armature.data.bones
+        ]

ui/settings_panel.py

@@ -9,6 +9,8 @@ from bpy.types import (
     Event
 )
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from .ui_utils import UIStyle, draw_section_header, wrap_text_label
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.translations import t, get_languages_list
 from ..core.armature_validation import AvatarToolkit_OT_HighlightProblemBones, AvatarToolkit_OT_ClearBoneHighlighting
 
@@ -26,8 +28,10 @@ class AvatarToolkit_OT_TranslationRestartPopup(Operator):
     
     def draw(self, context: Context) -> None:
         layout: UILayout = self.layout
-        layout.label(text=t("Language.changed.success"))
-        layout.label(text=t("Language.changed.restart"))
+        col = layout.column(align=True)
+        col.label(text=t("Language.changed.success"))
+        col.separator(factor=UIStyle.SUBSECTION_SEPARATOR_FACTOR)
+        wrap_text_label(col, t("Language.changed.restart"), max_length=50)
 
 class AvatarToolKit_PT_SettingsPanel(Panel):
     """Settings panel for Avatar Toolkit containing language preferences"""
@@ -37,8 +41,8 @@ class AvatarToolKit_PT_SettingsPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 8
-    bl_options = {'DEFAULT_CLOSED'}
+    bl_order: int = get_panel_order('settings')
+    bl_options = set() if not should_open_by_default('SETTINGS') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draw the settings panel layout with language selection"""
@@ -46,30 +50,18 @@ class AvatarToolKit_PT_SettingsPanel(Panel):
         props = context.scene.avatar_toolkit
         
         # Language Settings
-        lang_box: UILayout = layout.box()
-        col: UILayout = lang_box.column(align=True)
-        row: UILayout = col.row()
-        row.scale_y = 1.2
-        row.label(text=t("Settings.language"), icon='WORLD')
-        col.separator()
+        col = draw_section_header(layout, t("Settings.language"), icon='WORLD')
         col.prop(props, "language", text="")
         
-        # Validation Settings
-        val_box: UILayout = layout.box()
-        col = val_box.column(align=True)
-        row = col.row()
-        row.scale_y = 1.2
-        row.label(text=t("Settings.validation_mode"), icon='CHECKMARK')
-        col.separator()
+        # Validation Settings with help text
+        col = draw_section_header(layout, t("Settings.validation_mode"), icon='CHECKMARK')
         col.prop(props, "validation_mode", text="")
+        # Help text for validation mode
+        col.separator(factor=UIStyle.SUBSECTION_SEPARATOR_FACTOR)
+        wrap_text_label(col, "Select how strictly to validate armature bone structure and naming conventions.", max_length=40)
         
         # Bone Highlighting Settings
-        bone_box: UILayout = layout.box()
-        col = bone_box.column(align=True)
-        row = col.row()
-        row.scale_y = 1.2
-        row.label(text=t("Settings.bone_highlighting"), icon='BONE_DATA')
-        col.separator()
+        col = draw_section_header(layout, t("Settings.bone_highlighting"), icon='BONE_DATA')
         col.prop(props, "highlight_problem_bones")
         if props.highlight_problem_bones:
             col.operator(AvatarToolkit_OT_HighlightProblemBones.bl_idname, icon='COLOR')

ui/tools_panel.py

@@ -2,6 +2,8 @@ import bpy
 from typing import Set
 from bpy.types import Panel, Context, UILayout, Operator, UIList
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from .ui_utils import UIStyle, draw_section_header, draw_operator_row
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.translations import t
 
 from ..core.resonite_utils import AvatarToolkit_OT_ConvertResonite
@@ -29,8 +31,8 @@ class AvatarToolKit_PT_ToolsPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 2
-    bl_options = {'DEFAULT_CLOSED'}
+    bl_order: int = get_panel_order('tools')
+    bl_options = set() if not should_open_by_default('TOOLS') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draw the tools panel interface"""
@@ -38,94 +40,70 @@ class AvatarToolKit_PT_ToolsPanel(Panel):
         toolkit = context.scene.avatar_toolkit
         
         # General Tools
-        tools_box: UILayout = layout.box()
-        col: UILayout = tools_box.column(align=True)
-        col.label(text=t("Tools.general_title"), icon='TOOL_SETTINGS')
-        col.separator(factor=0.5)
+        col = draw_section_header(layout, t("Tools.general_title"), icon='TOOL_SETTINGS')
         col.operator(AvatarToolkit_OT_ConvertResonite.bl_idname, text=t("Tools.convert_resonite"), icon='EXPORT')
         
         # Separation Tools
-        sep_box: UILayout = layout.box()
-        col = sep_box.column(align=True)
-        col.label(text=t("Tools.separate_title"), icon='MOD_EXPLODE')
-        col.separator(factor=0.5)
-        row: UILayout = col.row(align=True)
-        row.operator(AvatarToolKit_OT_SeparateByMaterials.bl_idname, text=t("Tools.separate_materials"), icon='MATERIAL')
-        row.operator(AvatarToolKit_OT_SeparateByLooseParts.bl_idname, text=t("Tools.separate_loose"), icon='MESH_DATA')
+        col = draw_section_header(layout, t("Tools.separate_title"), icon='MOD_EXPLODE')
+        draw_operator_row(col, [
+            (AvatarToolKit_OT_SeparateByMaterials.bl_idname, t("Tools.separate_materials"), 'MATERIAL'),
+            (AvatarToolKit_OT_SeparateByLooseParts.bl_idname, t("Tools.separate_loose"), 'MESH_DATA')
+        ])
         
         # Bone Tools
-        bone_box: UILayout = layout.box()
-        col = bone_box.column(align=True)
-        col.label(text=t("Tools.bone_title"), icon='BONE_DATA')
-        col.separator(factor=0.5)
+        col = draw_section_header(layout, t("Tools.bone_title"), icon='BONE_DATA')
         col.operator(AvatarToolKit_OT_CreateDigitigradeLegs.bl_idname, text=t("Tools.create_digitigrade"), icon='BONE_DATA')
-        col.operator(AvatarToolKit_OT_FlipCurrentKeyFrames.bl_idname,text=t("Tools.flip_pose_frames"),icon="ACTION")
+        col.operator(AvatarToolKit_OT_FlipCurrentKeyFrames.bl_idname, text=t("Tools.flip_pose_frames"), icon="ACTION")
 
         # Mesh Tools
-        mesh_box: UILayout = layout.box()
-        col = mesh_box.column(align=True)
-        col.label(text=t("Tools.mesh_title"), icon='MESH_DATA')
-        col.separator(factor=0.5)
-        col.operator(AvatarToolkit_OT_SelectShortestSeamPath.bl_idname,text=t("Tools.find_shortest_seam_path"),icon="MESH_DATA")
-        col.operator(AvatarToolkit_OT_ApplyModifierForShapkeyObj.bl_idname,text=t("Tools.apply_modifier_on_shapekey_obj"),icon="SHAPEKEY_DATA")
-        col.operator(AvatarToolkit_OT_ExplodeMesh.bl_idname,text=t("Tools.explode_mesh"),icon="MOD_EXPLODE")
-        
+        col = draw_section_header(layout, t("Tools.mesh_title"), icon='MESH_DATA')
+        col.operator(AvatarToolkit_OT_SelectShortestSeamPath.bl_idname, text=t("Tools.find_shortest_seam_path"), icon="MESH_DATA")
+        col.operator(AvatarToolkit_OT_ApplyModifierForShapkeyObj.bl_idname, text=t("Tools.apply_modifier_on_shapekey_obj"), icon="SHAPEKEY_DATA")
+        col.operator(AvatarToolkit_OT_ExplodeMesh.bl_idname, text=t("Tools.explode_mesh"), icon="MOD_EXPLODE")
         
         # Standardization Tools
-        standardize_box: UILayout = bone_box.box()
-        col = standardize_box.column(align=True)
-        col.label(text=t("Tools.standardize_title"), icon='OUTLINER_OB_ARMATURE')
-        col.separator(factor=0.5)
+        col = draw_section_header(layout, t("Tools.standardize_title"), icon='OUTLINER_OB_ARMATURE')
         col.operator(AvatarToolkit_OT_StandardizeArmature.bl_idname, icon='CHECKMARK')
 
         # Weight Tools
-        weight_box: UILayout = bone_box.box()
-        col = weight_box.column(align=True)
+        col = draw_section_header(layout, t("Tools.weight_title"), icon='GROUP_BONE')
         col.prop(toolkit, "merge_twist_bones", text=t("Tools.merge_twist_bones"))
         col.prop(toolkit, "preserve_parent_bones")
         col.prop(toolkit, "target_bone_type")
         col.prop(toolkit, "list_only_mode")
         
         if toolkit.list_only_mode and len(toolkit.zero_weight_bones) > 0:
-            box = weight_box.box()
-            row = box.row()
+            sub_col = col.box()
+            row = sub_col.row()
             row.template_list("AVATAR_TOOLKIT_UL_ZeroWeightBones", "", 
                             toolkit, "zero_weight_bones",
                             toolkit, "zero_weight_bones_index")
             
-            col = box.column(align=True)
-            col.operator(AvatarToolKit_OT_RemoveSelectedBones.bl_idname, 
+            sub_col.operator(AvatarToolKit_OT_RemoveSelectedBones.bl_idname, 
                            text=t("Tools.remove_selected_bones"))
         
-        row = col.row(align=True)
-        row.operator(AvatarToolKit_OT_RemoveZeroWeightBones.bl_idname, text=t("Tools.clean_weights"), icon='GROUP_BONE')
-        row.operator(AvatarToolKit_OT_DeleteBoneConstraints.bl_idname, text=t("Tools.clean_constraints"), icon='CONSTRAINT_BONE')
-        row = col.row(align=True)
-        row.operator(AvatarToolKit_OT_RemoveZeroWeightVertexGroups.bl_idname, text=t("Tools.clean_vertex_groups"), icon='CONSTRAINT_BONE')
+        # Combine weight
+        draw_operator_row(col, [
+            (AvatarToolKit_OT_RemoveZeroWeightBones.bl_idname, t("Tools.clean_weights"), 'GROUP_BONE'),
+            (AvatarToolKit_OT_DeleteBoneConstraints.bl_idname, t("Tools.clean_constraints"), 'CONSTRAINT_BONE')
+        ])
+        col.operator(AvatarToolKit_OT_RemoveZeroWeightVertexGroups.bl_idname, text=t("Tools.clean_vertex_groups"), icon='CONSTRAINT_BONE')
         
         # Merge Tools
-        merge_box: UILayout = layout.box()
-        col = merge_box.column(align=True)
-        col.label(text=t("Tools.merge_title"), icon='AUTOMERGE_ON')
-        col.separator(factor=0.5)
-        row = col.row(align=True)
-        row.operator(AvatarToolkit_OT_MergeToActive.bl_idname, text=t("Tools.merge_to_active"), icon='BONE_DATA')
-        row.operator(AvatarToolkit_OT_MergeToParent.bl_idname, text=t("Tools.merge_to_parent"), icon='BONE_DATA')
+        col = draw_section_header(layout, t("Tools.merge_title"), icon='AUTOMERGE_ON')
+        draw_operator_row(col, [
+            (AvatarToolkit_OT_MergeToActive.bl_idname, t("Tools.merge_to_active"), 'BONE_DATA'),
+            (AvatarToolkit_OT_MergeToParent.bl_idname, t("Tools.merge_to_parent"), 'BONE_DATA')
+        ])
         col.operator(AvatarToolkit_OT_ConnectBones.bl_idname, text=t("Tools.connect_bones"), icon='BONE_DATA')
         
         # Additional Tools
-        extra_box: UILayout = layout.box()
-        col = extra_box.column(align=True)
-        col.label(text=t("Tools.additional_title"), icon='TOOL_SETTINGS')
-        col.separator(factor=0.5)
+        col = draw_section_header(layout, t("Tools.additional_title"), icon='TOOL_SETTINGS')
         col.operator(AvatarToolkit_OT_ApplyTransforms.bl_idname, text=t("Tools.apply_transforms"), icon='OBJECT_DATA')
         col.operator(AvatarToolkit_OT_CleanShapekeys.bl_idname, text=t("Tools.clean_shapekeys"), icon='SHAPEKEY_DATA')
 
         # Rigify Tools
-        rigify_box: UILayout = layout.box()
-        col = rigify_box.column(align=True)
-        col.label(text=t("Tools.rigify_title"), icon='ARMATURE_DATA')
-        col.separator(factor=0.5)
+        col = draw_section_header(layout, t("Tools.rigify_title"), icon='ARMATURE_DATA')
         col.operator(AvatarToolkit_OT_ConvertRigifyToUnity.bl_idname, icon='ARMATURE_DATA')
         col.prop(context.scene.avatar_toolkit, "merge_twist_bones")
 

ui/translation_panel.py

@@ -12,6 +12,7 @@ from bpy.types import (
     Object
 )
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.translations import t
 from ..core.logging_setup import logger
 from ..core.common import get_active_armature, ProgressTracker
@@ -465,8 +466,8 @@ class AvatarToolKit_PT_TranslationPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 9
-    bl_options = {'DEFAULT_CLOSED'}
+    bl_order: int = get_panel_order('translation')
+    bl_options = set() if not should_open_by_default('TRANSLATION') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draw the translation panel layout"""

ui/ui_utils.py

@@ -0,0 +1,137 @@
+"""UI utilities and styling helpers for consistent Avatar Toolkit panel design"""
+
+from typing import Callable, Optional
+from bpy.types import UILayout, Context, Operator
+
+
+class UIStyle:
+    """Centralized UI styling constants for consistent appearance"""
+    
+    SECTION_SEPARATOR_FACTOR: float = 0.5
+    SUBSECTION_SEPARATOR_FACTOR: float = 0.3
+    PRIMARY_BUTTON_SCALE: float = 1.5
+    STANDARD_BUTTON_SCALE: float = 1.0
+    COMPACT_BUTTON_SCALE: float = 0.9
+    DEFAULT_PADDING: float = 1.0
+    COMPACT_PADDING: float = 0.5
+    
+    CATEGORY_ICONS = {
+        'optimization': 'MOD_SMOOTH',
+        'tools': 'TOOL_SETTINGS',
+        'custom': 'TOOL_OPTIONS',
+        'eye_tracking': 'OBJECT_CAMERA',
+        'settings': 'PREFERENCES',
+        'import_export': 'EXPORT',
+        'pose': 'POSE_HLT',
+        'materials': 'MATERIAL',
+        'mesh': 'MESH_DATA',
+        'bones': 'BONE_DATA',
+        'vfx': 'MOD_DISPLACE'
+    }
+
+
+def draw_section_header(layout: UILayout, title: str, icon: str = 'NONE', separator: bool = True) -> UILayout:
+    """Draw a consistent section header with optional icon and separator"""
+    header_box = layout.box()
+    col = header_box.column(align=True)
+    row = col.row()
+    row.scale_y = 1.2
+    row.label(text=title, icon=icon)
+    
+    if separator:
+        col.separator(factor=UIStyle.SECTION_SEPARATOR_FACTOR)
+    
+    return col
+
+
+def draw_subsection(layout: UILayout, title: str, icon: str = 'NONE') -> UILayout:
+    """Draw a subsection with reduced visual weight (no box)"""
+    col = layout.column(align=True)
+    row = col.row()
+    row.label(text=title, icon=icon)
+    col.separator(factor=UIStyle.SUBSECTION_SEPARATOR_FACTOR)
+    return col
+
+
+def draw_info_text(layout: UILayout, text: str, icon: str = 'INFO') -> None:
+    """Draw informational text that can wrap (replaces multiple labels)"""
+    col = layout.column()
+    col.alert = False
+    # Split long text for wrapping
+    row = col.row()
+    row.label(text=text, icon=icon)
+
+
+def draw_warning_text(layout: UILayout, text: str) -> None:
+    """Draw warning-styled text"""
+    col = layout.column()
+    col.alert = True
+    row = col.row()
+    row.label(text=text, icon='ERROR')
+
+
+def draw_primary_button(layout: UILayout, operator_idname: str, text: str = "", 
+                       icon: str = 'NONE', **kwargs) -> None:
+    """Draw a primary action button with standard scaling"""
+    row = layout.row(align=True)
+    row.scale_y = UIStyle.PRIMARY_BUTTON_SCALE
+    row.operator(operator_idname, text=text, icon=icon, **kwargs)
+
+
+def draw_operator_row(layout: UILayout, operators: list[tuple[str, str, str]],
+                     scale_y: float = 1.0, equal_width: bool = True) -> None:
+    """Draw multiple operators in a single row with consistent sizing"""
+    if not operators:
+        return
+    
+    row = layout.row(align=equal_width)
+    row.scale_y = scale_y
+    
+    for op_id, text, icon in operators:
+        row.operator(op_id, text=text, icon=icon)
+
+
+def draw_collapsible_section(layout: UILayout, title: str, icon: str, 
+                            draw_func: Callable[[UILayout], None],
+                            context: Context, storage_attr: str) -> None:
+    """Draw a collapsible section (using context scene properties for state)"""
+    col = layout.column(align=True)
+    row = col.row()
+    
+    scene = context.scene
+    attr_name = f"_ui_expand_{storage_attr}"
+    is_expanded = getattr(scene, attr_name, False)
+    icon_name = 'DISCLOSURE_TRI_DOWN' if is_expanded else 'DISCLOSURE_TRI_RIGHT'
+    row.prop(scene, attr_name, text="", icon=icon_name, emboss=False)
+    row.label(text=title, icon=icon)
+    
+    if is_expanded:
+        col.separator(factor=UIStyle.SUBSECTION_SEPARATOR_FACTOR)
+        draw_func(col)
+
+
+def apply_operator_disable_feedback(operator: Operator, layout: UILayout, 
+                                   is_disabled: bool, reason: str = "") -> UILayout:
+    """Prepare layout for disabled operator with visual feedback"""
+    if is_disabled:
+        layout.enabled = False
+    return layout
+
+
+def wrap_text_label(layout: UILayout, text: str, max_length: int = 50) -> None:
+    """Draw a label that wraps long text across multiple lines"""
+    words = text.split()
+    current_line = ""
+    
+    col = layout.column()
+    
+    for word in words:
+        test_line = (current_line + " " + word).strip()
+        if len(test_line) > max_length and current_line:
+            col.label(text=current_line)
+            current_line = word
+        else:
+            current_line = test_line
+    
+    if current_line:
+        col.label(text=current_line)

ui/visemes_panel.py

@@ -2,6 +2,7 @@ import bpy
 from bpy.types import Panel, Context, UILayout, Object, ShapeKey
 from ..core.translations import t
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.common import get_active_armature
 from ..functions.visemes import AvatarToolkit_OT_PreviewVisemes, AvatarToolkit_OT_CreateVisemes
 
@@ -13,8 +14,8 @@ class AvatarToolKit_PT_VisemesPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 5
-    bl_options: set[str] = {'DEFAULT_CLOSED'}
+    bl_order: int = get_panel_order('visemes')
+    bl_options: set[str] = set() if not should_open_by_default('VISEMES') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draw the visemes panel interface with shape key selection and preview controls"""

ui/vrm_unity_panel.py

@@ -1,6 +1,7 @@
 import bpy
 from bpy.types import Panel, Context, UILayout
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.translations import t
 from ..core.common import get_active_armature
 from ..core.vrm_unity_converter import detect_vrm_armature
@@ -15,8 +16,8 @@ class AvatarToolKit_PT_VRMUnityPanel(Panel):
     bl_region_type = 'UI'
     bl_category = CATEGORY_NAME
     bl_parent_id = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order = 3
-    bl_options = {'DEFAULT_CLOSED'}
+    bl_order = get_panel_order('vrm_unity')
+    bl_options = set() if not should_open_by_default('VRM_UNITY') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draw the VRM to Unity conversion panel interface"""