diff --git a/config.py b/config.py
index 2205b73..c5c8a3b 100644
--- a/config.py
+++ b/config.py
@@ -320,7 +320,7 @@ YOUTUBE_API_KEY = os.getenv('YOUTUBE_API_KEY', '')
 # ==========================================
 # 系統版本與路徑
 # ==========================================
-SYSTEM_VERSION = "V10.179"
+SYSTEM_VERSION = "V10.180"
 LOG_FILE_PATH = os.path.join(BASE_DIR, 'logs/system.log')
 public_url = PUBLIC_URL  # 用於模板顯示
 
diff --git a/routes/ai_routes.py b/routes/ai_routes.py
index 7ed185f..f42ace1 100644
--- a/routes/ai_routes.py
+++ b/routes/ai_routes.py
@@ -93,6 +93,7 @@ def ai_recommend():
     product_categories = load_product_categories()
 
     return render_template('ai_recommend.html',
+                           active_page='ai_recommend',
                            ai_status=ai_status,
                            ollama_status=ai_status['ollama']['connected'],
                            gemini_status=ai_status['gemini']['connected'],
@@ -724,7 +725,7 @@ def api_batch_generate_copy():
 @login_required
 def ai_history_page():
     """AI 歷史記錄頁面"""
-    return render_template('ai_history.html')
+    return render_template('ai_history.html', active_page='ai_history')
 
 
 @ai_bp.route('/api/ai/history')
diff --git a/routes/system_public_routes.py b/routes/system_public_routes.py
index 38f412d..35240ef 100644
--- a/routes/system_public_routes.py
+++ b/routes/system_public_routes.py
@@ -331,7 +331,7 @@ def ai_automation_smoke_daily_summary_send():
 
 @system_public_bp.route('/logs')
 def show_logs():
-    return render_template('logs.html')
+    return render_template('logs.html', active_page='logs')
 
 
 @system_public_bp.route('/api/logs')
diff --git a/templates/ai_history.html b/templates/ai_history.html
index 896bf69..2869c1c 100644
--- a/templates/ai_history.html
+++ b/templates/ai_history.html
@@ -1,5 +1,5 @@
 {% extends 'ewoooc_base.html' %}
-{% block title %}AI 生成歷史 - WOOO TECH{% endblock %}
+{% block title %}AI 生成歷史 · EwoooC{% endblock %}
 
 {% block ewooo_content %}
 <div class="ai-history-page">
diff --git a/templates/ai_intelligence.html b/templates/ai_intelligence.html
index 4d73323..a6644fc 100644
--- a/templates/ai_intelligence.html
+++ b/templates/ai_intelligence.html
@@ -1,5 +1,5 @@
 {% extends 'ewoooc_base.html' %}
-{% block title %}AI 競情中樞 - WOOO TECH{% endblock %}
+{% block title %}AI 競情中樞 · EwoooC{% endblock %}
 
 {% block extra_css %}
 <style>
diff --git a/templates/ai_recommend.html b/templates/ai_recommend.html
index c39c143..4b1efd0 100644
--- a/templates/ai_recommend.html
+++ b/templates/ai_recommend.html
@@ -1,5 +1,5 @@
 {% extends 'ewoooc_base.html' %}
-{% block title %}AI 智慧推薦 - WOOO TECH{% endblock %}
+{% block title %}AI 智慧推薦 · EwoooC{% endblock %}
 
 {% block extra_css %}
   <link rel="stylesheet" href="{{ url_for('static', filename='css/page-ai-recommend.css') }}">
diff --git a/templates/logs.html b/templates/logs.html
index 978fad4..086d79e 100644
--- a/templates/logs.html
+++ b/templates/logs.html
@@ -1,6 +1,6 @@
 {% extends 'ewoooc_base.html' %}
 
-{% block title %}系統日誌 - WOOO TECH{% endblock %}
+{% block title %}系統日誌 · EwoooC{% endblock %}
 {% block page_accent %}observability{% endblock %}
 
 {% block extra_css %}
diff --git a/tests/test_frontend_v2_assets.py b/tests/test_frontend_v2_assets.py
index dcfd20d..c3b6cad 100644
--- a/tests/test_frontend_v2_assets.py
+++ b/tests/test_frontend_v2_assets.py
@@ -211,7 +211,7 @@ def test_ai_history_uses_v2_shell_and_real_history_apis():
     assert "假商品" not in template
 
     assert "@ai_bp.route('/ai_history')" in route_source
-    assert "render_template('ai_history.html')" in route_source
+    assert "render_template('ai_history.html', active_page='ai_history')" in route_source
     assert "@ai_bp.route('/api/ai/history')" in route_source
     assert "ai_history_service.get_history_list" in route_source
     assert "ai_history_service.get_statistics" in route_source
@@ -238,6 +238,7 @@ def test_ai_recommend_uses_v2_shell_and_runtime_category_data():
 
     assert "@ai_bp.route('/ai_recommend')" in route_source
     assert "render_template('ai_recommend.html'" in route_source
+    assert "active_page='ai_recommend'" in route_source
     assert "product_categories=product_categories" in route_source
     assert "@ai_bp.route('/api/ai/generate_copy'" in route_source
     assert "@ai_bp.route('/api/ai/web_search'" in route_source
diff --git a/tests/test_shell_active_page_contract.py b/tests/test_shell_active_page_contract.py
new file mode 100644
index 0000000..4dcb7e5
--- /dev/null
+++ b/tests/test_shell_active_page_contract.py
@@ -0,0 +1,29 @@
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+def test_ai_and_system_pages_pass_active_page_to_v3_shell():
+    ai_routes = (ROOT / "routes/ai_routes.py").read_text(encoding="utf-8")
+    system_routes = (ROOT / "routes/system_public_routes.py").read_text(encoding="utf-8")
+
+    assert "render_template('ai_recommend.html'," in ai_routes
+    assert "active_page='ai_recommend'" in ai_routes
+    assert "render_template('ai_history.html', active_page='ai_history')" in ai_routes
+    assert "render_template('ai_intelligence.html', active_page='ai_intelligence')" in ai_routes
+    assert "render_template('logs.html', active_page='logs')" in system_routes
+
+
+def test_ai_and_logs_titles_use_ewoooc_brand():
+    templates = [
+        ROOT / "templates/ai_recommend.html",
+        ROOT / "templates/ai_intelligence.html",
+        ROOT / "templates/ai_history.html",
+        ROOT / "templates/logs.html",
+    ]
+
+    for template_path in templates:
+        source = template_path.read_text(encoding="utf-8")
+        assert "EwoooC" in source
+        assert "WOOO TECH" not in source