diff --git a/cmd/gui/renderer/index.html b/cmd/gui/renderer/index.html
index f56c1fe..5e16ec6 100644
--- a/cmd/gui/renderer/index.html
+++ b/cmd/gui/renderer/index.html
@@ -11,7 +11,7 @@
     <link rel="stylesheet" href="style.css" />
   </head>
   <body>
-    <!-- NapCat sakura/frost glassmorphism background -->
+    <!-- sakura/frost glassmorphism background -->
     <div id="bgfx" aria-hidden="true">
       <i class="blob b1"></i><i class="blob b2"></i><i class="blob b3"></i>
     </div>
diff --git a/cmd/gui/renderer/style.css b/cmd/gui/renderer/style.css
index 30c6418..b3661aa 100644
--- a/cmd/gui/renderer/style.css
+++ b/cmd/gui/renderer/style.css
@@ -1,7 +1,7 @@
 /* =====================================================================
    ModelRouter Desktop GUI — Clash-Verge-style shell
    Content area = full-screen iframe embedding the real WebUI 1:1.
-   Palette mirrors the WebUI (NapCat sakura/frost/glassmorphism).
+   Palette mirrors the WebUI (sakura/frost/glassmorphism).
    ===================================================================== */
 :root {
  --primary: #ff7fac;
@@ -114,7 +114,7 @@ input {
  border-radius: 4px;
 }
 
-/* animated gradient-mesh background (NapCat PageBackground) */
+/* animated gradient-mesh background */
 #bgfx {
  position: fixed;
  inset: 0;
diff --git a/internal/gateway/ui/index.html b/internal/gateway/ui/index.html
index 66943c7..f5130e1 100644
--- a/internal/gateway/ui/index.html
+++ b/internal/gateway/ui/index.html
@@ -7,8 +7,7 @@
 <link rel="icon" type="image/svg+xml" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 34 34'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' y1='0' x2='1' y2='1'%3E%3Cstop offset='0' stop-color='%233f6ef5'/%3E%3Cstop offset='1' stop-color='%236a8ffb'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect width='34' height='34' rx='10' fill='url(%23g)'/%3E%3Ctext x='17' y='24' text-anchor='middle' font-family='Arial,sans-serif' font-size='17' font-weight='700' fill='%23fff'%3EM%3C/text%3E%3C/svg%3E">
 <style>
 /* =====================================================================
-   ModelRouter WebUI — Design DNA: NapCat (sakura × frost × glassmorphism)
-   Extracted from napcat-webui-frontend via design-dna (see napcat-design-dna.json)
+   ModelRouter WebUI — sakura × frost × glassmorphism design
    ===================================================================== */
 :root{
   --primary:#FF7FAC; --primary-h:#F33B7C; --primary-50:#FFF0F5; --primary-100:#FFE4E9;
@@ -108,7 +107,7 @@ a{color:var(--primary-h)}
 ::-webkit-scrollbar-thumb{background:rgba(255,182,193,.45);border-radius:4px;transition:background .3s}
 ::-webkit-scrollbar-thumb:hover{background:rgba(255,127,172,.7)}
 
-/* ---- animated gradient-mesh background (NapCat PageBackground) ---- */
+/* ---- animated gradient-mesh background ---- */
 #bgfx{position:fixed;inset:0;z-index:-10;overflow:hidden;
   background:linear-gradient(135deg,var(--bg-s1),var(--bg-s2),var(--bg-s3))}
 #bgfx .blob{position:absolute;border-radius:50%;filter:blur(64px);will-change:transform;opacity:.6}
@@ -163,7 +162,7 @@ button:focus:not(:focus-visible),.sb-i:focus:not(:focus-visible),input:focus:not
 .breadcrumb .crumb.cur{opacity:1;color:var(--fg)}
 main#main{flex:1;overflow-y:auto;padding:8px 24px 40px}
 
-/* ---- glass card (NapCat Card: backdrop-blur + translucent) ---- */
+/* ---- glass card (backdrop-blur + translucent) ---- */
 .card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;
   padding:20px;margin-bottom:16px;box-shadow:var(--sh-md);
   backdrop-filter:blur(calc(var(--glass) * 0.7)) saturate(1.3);-webkit-backdrop-filter:blur(calc(var(--glass) * 0.7)) saturate(1.3);
@@ -457,7 +456,7 @@ td.t-tag{white-space:nowrap}
 .donut .center b{font-size:20px;font-weight:800}
 .donut .center span{font-size:10px;color:var(--muted)}
 
-/* ---- responsive: collapsible sidebar (NapCat-like) ---- */
+/* ---- responsive: collapsible sidebar ---- */
 @media (max-width:900px){
   .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:50;transform:translateX(-100%);transition:transform .3s var(--ease-spring)}
   .sidebar.open{transform:none;box-shadow:var(--sh-lg);z-index:55}
@@ -657,7 +656,7 @@ let lastTab = 'status';
 function activeTab(){ return lastTab; }
 
 /* ---------- theme & header ---------- */
-/* ---------- NapCat chrome: theme / lang / sidebar / breadcrumb ---------- */
+/* ---------- chrome: theme / lang / sidebar / breadcrumb ---------- */
 const THEME = localStorage.getItem('llms-proxy.theme') || 'light';
 document.documentElement.dataset.theme = THEME;
 const ic = document.getElementById('theme-ic');
diff --git a/napcat-design-dna.json b/napcat-design-dna.json
deleted file mode 100644
index 2f7318f..0000000
--- a/napcat-design-dna.json
+++ /dev/null
@@ -1,348 +0,0 @@
-{
-  "meta": {
-    "name": "NapCat WebUI Design DNA",
-    "description": "Design DNA extracted from NapCat WebUI (napcat-webui-frontend) — ACG/cherry-blossom aesthetic with glassmorphism, motion/react animations, HeroUI components, sakura/frost color palette",
-    "source_references": [
-      "https://github.com/NapNeko/NapCatQQ/tree/main/packages/napcat-webui-frontend",
-      "packages/napcat-webui-frontend/tailwind.config.js",
-      "packages/napcat-webui-frontend/src/styles/globals.css",
-      "packages/napcat-webui-frontend/src/components/page_background.tsx",
-      "packages/napcat-webui-frontend/src/components/effect_card.tsx",
-      "packages/napcat-webui-frontend/src/layouts/default.tsx",
-      "packages/napcat-webui-frontend/src/layouts/pure.tsx",
-      "packages/napcat-webui-frontend/src/pages/web_login.tsx",
-      "packages/napcat-webui-frontend/src/pages/dashboard/index.tsx",
-      "packages/napcat-webui-frontend/src/components/sidebar/index.tsx",
-      "packages/napcat-webui-frontend/src/components/display_network_item.tsx",
-      "packages/napcat-webui-frontend/src/components/system_status_display.tsx",
-      "packages/napcat-webui-frontend/src/config/site.tsx"
-    ],
-    "created_at": "2026-08-12T00:00:00Z"
-  },
-  "design_system": {
-    "color": {
-      "palette_type": "split-complementary",
-      "primary": {
-        "hex": "#FF7FAC",
-        "role": "Sakura pink - dominant accent, CTAs, focus rings, interactive elements"
-      },
-      "secondary": {
-        "hex": "#88C0D0",
-        "role": "Frost blue - supporting accent, secondary actions, info states"
-      },
-      "accent": {
-        "hex": "#F33B7C",
-        "role": "Deep rose - hover/active primary, destructive actions"
-      },
-      "neutral": {
-        "scale": {
-          "50": "#FFF0F5",
-          "100": "#FFE4E9",
-          "200": "#FFCDD9",
-          "300": "#FF9EB5",
-          "400": "#FF7FAC",
-          "500": "#F33B7C",
-          "600": "#C92462",
-          "700": "#991B4B",
-          "800": "#691233",
-          "900": "#380A1B"
-        },
-        "usage": "Pink-tinted neutrals for light mode; inverted for dark mode"
-      },
-      "semantic": {
-        "success": "#17a964",
-        "warning": "#b7791f",
-        "error": "#DB3694",
-        "info": "#3f6ef5"
-      },
-      "surface": {
-        "background": "gradient-to-br from-indigo-50 via-white to-pink-50 (light) / dark:from-gray-900 dark:via-gray-800 dark:to-gray-900",
-        "card": "bg-white/60 dark:bg-black/40 with backdrop-blur-sm border border-white/40 dark:border-white/10",
-        "elevated": "bg-white/70 dark:bg-black/30 hover:bg-white/80 dark:hover:bg-black/20 with shadow-sm"
-      },
-      "contrast_strategy": "subtle layers with glassmorphism — semi-transparent cards over gradient backgrounds, white/black text with opacity modulation"
-    },
-    "typography": {
-      "type_scale": {
-        "display": {
-          "size": "4xl-5xl (36-48px)",
-          "weight": "bold",
-          "line_height": "1.1",
-          "tracking": "-0.02em"
-        },
-        "heading_1": {
-          "size": "2xl-3xl (24-30px)",
-          "weight": "semibold",
-          "line_height": "1.2",
-          "tracking": "-0.02em"
-        },
-        "heading_2": {
-          "size": "xl-2xl (20-24px)",
-          "weight": "semibold",
-          "line_height": "1.3",
-          "tracking": "-0.01em"
-        },
-        "heading_3": {
-          "size": "lg-xl (18-20px)",
-          "weight": "medium",
-          "line_height": "1.4",
-          "tracking": "0"
-        },
-        "body": {
-          "size": "base (16px)",
-          "weight": "normal",
-          "line_height": "1.55",
-          "tracking": "0.02em"
-        },
-        "body_small": {
-          "size": "sm (14px)",
-          "weight": "normal",
-          "line_height": "1.5",
-          "tracking": "0.01em"
-        },
-        "caption": {
-          "size": "xs (12px)",
-          "weight": "normal",
-          "line_height": "1.4",
-          "tracking": "0.02em"
-        },
-        "overline": {
-          "size": "xs (12px)",
-          "weight": "medium",
-          "line_height": "1.3",
-          "tracking": "0.08em"
-        }
-      },
-      "font_families": {
-        "heading": "'Quicksand', 'Nunito', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif",
-        "body": "'Quicksand', 'Nunito', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif",
-        "mono": "'JetBrains Mono', 'ui-monospace', 'SFMono-Regular', 'SF Mono', 'Menlo', 'Consolas', 'Liberation Mono', monospace"
-      },
-      "font_style_notes": "Rounded geometric sans (Quicksand/Nunito) for friendly ACG feel; JetBrains Mono for code/terminal; letter-spacing 0.02em body, negative for headings; -webkit-font-smoothing antialiased"
-    },
-    "spacing": {
-      "base_unit": "4px (0.25rem)",
-      "scale": [0, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 20, 24, 32, 40, 48, 64],
-      "content_density": "comfortable with generous breathing room; cards use p-4/p-5/p-6; sections gap-4/gap-6",
-      "section_rhythm": "Consistent 4-unit (16px) base rhythm; md:gap-4 (16px) / lg:gap-6 (24px) for grid gaps; py-5 (20px) vertical section padding"
-    },
-    "layout": {
-      "grid_system": "CSS Grid + Flexbox hybrid; 8-col mobile / 3-col md / 6-col lg for dashboards; sidebar 16rem (256px) fixed",
-      "max_content_width": "1000px (md:max-w-[1000px]) for main content; full-width for login/pure layouts",
-      "columns": "Responsive: 1col < 3col md < 6col lg",
-      "gutter": "gap-1 (4px) sm / gap-4 (16px) md",
-      "breakpoints": "sm: 640px, md: 768px, lg: 1024px, xl: 1280px (Tailwind defaults)",
-      "alignment_tendency": "centered for auth/pure layouts; left-aligned grid for dashboards; sticky top breadcrumbs"
-    },
-    "shape": {
-      "border_radius": {
-        "small": "0.375rem (6px) - inputs, buttons",
-        "medium": "0.5rem (8px) - cards, modals",
-        "large": "0.75rem (12px) - HeroUI default radius (--heroui-radius: 0.75rem)",
-        "pill": "9999px (full) - primary CTAs, pills, tags"
-      },
-      "border_usage": "subtle 1px border-white/40 dark:border-white/10 on glass cards; no hard borders elsewhere",
-      "divider_style": "hairline via backdrop-blur edges; HeroUI divider component for lists"
-    },
-    "elevation": {
-      "shadow_style": "soft diffused with backdrop-blur; layering via transparency not heavy shadows",
-      "levels": {
-        "low": "shadow-sm (0 1px 2px rgba(0,0,0,0.05)) + backdrop-blur-sm",
-        "medium": "shadow-md (0 4px 6px rgba(0,0,0,0.07)) + backdrop-blur-md",
-        "high": "shadow-xl (0 20px 25px rgba(0,0,0,0.1)) + backdrop-blur-xl + backdrop-saturate-200"
-      },
-      "depth_cues": ["backdrop-blur", "transparency/opacity", "subtle borders", "hover elevation increase", "motion scale on interaction"]
-    },
-    "iconography": {
-      "style": "Lucide React (Lu*) icons — clean 2px stroke, rounded caps; react-icons for brand icons (Gi, Bi, Io, Md)",
-      "stroke_weight": "2px equivalent (w-5 h-5 default, w-4 h-4 small, w-6 h-6 large)",
-      "size_scale": "xs: 14px, sm: 16px, md: 20px, lg: 24px, xl: 32px",
-      "preferred_set": "Lucide React for UI; react-icons for brand/logos"
-    },
-    "motion": {
-      "easing": "spring (stiffness: 120-150, damping: 15-20) for layout; ease-out for micro-interactions",
-      "duration_scale": {
-        "micro": "150-200ms (hover, focus, tap)",
-        "normal": "300-400ms (page transitions, sidebar, modals)",
-        "macro": "500ms (initial entrance, spring animations)"
-      },
-      "entrance_pattern": "fade-up (opacity 0→1, y: 20→0) + scale (0.95→1) with spring; staggered children via AnimatePresence",
-      "exit_pattern": "fade-down (opacity 1→0, y: 0→10) fast tween (150ms)",
-      "philosophy": "playful spring physics for layout; snappy functional for interactions; motion/redux (framer-motion) for complex choreography"
-    },
-    "components": {
-      "button_style": "HeroUI Button variants: shadow (primary CTA), flat (secondary), light (ghost), bordered; pill radius (full) for primary; size lg with py-7; startContent icons; isLoading state",
-      "input_style": "HeroUI Input: backdrop-blur-xl bg-transparent innerWrapper; shadow-xl inputWrapper with focus glow; radius lg; startContent icons; isClearable for token fields",
-      "card_style": "HeroUI Card: backdrop-blur-sm border border-white/40 dark:border-white/10 shadow-sm; bg-white/60 dark:bg-black/40; hover elevation; optional background image overlay with opacity-30",
-      "navigation_pattern": "Collapsible sidebar (16rem→0) with spring animation; breadcrumbs with motion stagger; mobile overlay backdrop-blur",
-      "modal_style": "HeroUI Dialog/Modal with backdrop-blur; HoverEffectCard for login (3D tilt on hover); spring entrance",
-      "list_style": "Network item cards: grid layout, large mono count + label; System status: grid 2-col with icon headers; UsagePie canvas charts",
-      "component_notes": "HoverEffectCard: 3D perspective tilt (rotateX/rotateY) + moving gradient light blob on hover; PageBackground: static gradient blobs (primary/secondary/pink) with massive blur; Toast: react-hot-toast top-right"
-    }
-  },
-  "design_style": {
-    "aesthetic": {
-      "mood": ["playful", "dreamy", "technical", "friendly", "modern"],
-      "visual_metaphor": "Cherry blossoms in digital frost — ACG aesthetic meets developer tooling",
-      "era_influence": "Modern web (2020s) with anime/moe culture influences; glassmorphism 2.0",
-      "genre": "Developer dashboard with ACG personality",
-      "personality_traits": ["approachable", "meticulous", "whimsical", "competent"],
-      "adjectives": ["sakura", "frost", "glass", "animated", "responsive"]
-    },
-    "visual_language": {
-      "complexity": "moderate — rich but not cluttered; breathing room via glass cards",
-      "ornamentation": "subtle accents — gradient blobs, 3D tilt cards, animated breadcrumbs, scrollbar theming",
-      "whitespace_usage": "generous — cards have internal padding, grid gaps 16-24px, section padding 20px+",
-      "visual_weight_distribution": "balanced — sidebar + main content; dashboard cards equal weight; login centered hero",
-      "focal_strategy": "progressive reveal — entrance animations, hover discoveries, layered depth",
-      "contrast_level": "medium — relies on opacity layers not high contrast; dark mode inverts surfaces",
-      "texture_usage": "glassmorphism (backdrop-blur), gradient mesh blobs, subtle noise via saturation"
-    },
-    "composition": {
-      "hierarchy_method": "scale contrast + typographic hierarchy + spatial isolation (cards)",
-      "balance_type": "asymmetric — sidebar fixed, main fluid; dashboard grid balanced",
-      "flow_direction": "vertical primary (sidebar→content), horizontal secondary (breadcrumbs, card grids)",
-      "grouping_strategy": "cards as containers; grid for peer items; sections separated by gap",
-      "negative_space_role": "breathing room between cards; focus isolation for modals/login"
-    },
-    "imagery": {
-      "photo_treatment": "custom background image upload (base64) with overlay opacity-30 object-contain",
-      "illustration_style": "ACG/moe logo (NapCat cat), gradient blob art",
-      "graphic_elements": "gradient orbs (primary/secondary/pink), moving light blob on hover cards",
-      "pattern_usage": "none explicit; glassmorphism creates implied pattern",
-      "image_shape": "full-bleed background; logo 7em height on login"
-    },
-    "interaction_feel": {
-      "feedback_style": "immediate visual — 3D tilt on cards, light blob follows cursor, spring scale on buttons",
-      "hover_behavior": "card: perspective rotateX/rotateY + gradient light follows mouse; button: shadow elevation + scale; input: focus glow ring",
-      "transition_personality": "spring physics (stiffness 120-150) for layout; snappy ease-out for micro",
-      "loading_style": "PageLoading full-screen overlay; Skeleton cards for dashboard; Suspense boundaries per route",
-      "microinteraction_density": "high — every interactive element has hover/tap/transition choreography"
-    },
-    "brand_voice_in_ui": {
-      "tone": "friendly technical — '猫猫日志', '喵~', emoji in hints",
-      "formality": "casual developer — Chinese labels with English terms mixed",
-      "cta_style": "direct imperative with playful twist — '登录' with logo animation, '切换主题', '重启进程'",
-      "empty_state_approach": "illustrated (ring logo) + welcoming copy + hint",
-      "error_tone": "helpful not alarming — toast errors, confirm dialogs for destructive actions"
-    }
-  },
-  "visual_effects": {
-    "overview": {
-      "effect_intensity": "moderate",
-      "performance_tier": "medium",
-      "fallback_strategy": "reduce to CSS (disable motion spring, keep glassmorphism)",
-      "primary_technology": "CSS (Tailwind) + motion/react (Framer Motion) + Canvas 2D (UsagePie charts) + HeroUI"
-    },
-    "background_effects": {
-      "type": "gradient-mesh-blobs",
-      "description": "Three large radial gradient blobs (primary-200/40, secondary-200/40, pink-200/30) with massive blur (90-110px) positioned at corners, static but imply depth",
-      "technology": "CSS (absolute positioned divs with blur)",
-      "params": {
-        "color_palette": ["#FF7FAC", "#88C0D0", "#FF9EB5"],
-        "speed": "static",
-        "density": "3 blobs",
-        "opacity": "0.3-0.4",
-        "blend_mode": "normal (opacity stacking)"
-      }
-    },
-    "particle_systems": {
-      "enabled": false
-    },
-    "3d_elements": {
-      "enabled": true,
-      "type": "card-3d-tilt",
-      "description": "HoverEffectCard uses CSS 3D transforms (perspective 1000px, rotateX/rotateY up to ±5deg) with a moving gradient light blob that follows cursor",
-      "technology": "CSS 3D + React mouse tracking",
-      "params": {
-        "renderer": "CSS transform3d",
-        "lighting": "moving gradient blob (from-primary-400 to-secondary-400) follows cursor",
-        "camera": "perspective(1000px)",
-        "materials": "glassmorphism card surface",
-        "geometry": "flat card with perspective rotation",
-        "post_processing": "blur-[100px] on light blob",
-        "interaction_model": "mouse-move tracking within card bounds"
-      }
-    },
-    "shader_effects": {
-      "enabled": false
-    },
-    "scroll_effects": {
-      "parallax": {
-        "enabled": false
-      },
-      "scroll_triggered_animations": {
-        "enabled": true,
-        "trigger_points": "route mount (Suspense), sidebar open/close, breadcrumb items",
-        "animation_type": "fade-up + scale (spring stagger)",
-        "scrub_behavior": "none (time-based)"
-      },
-      "scroll_morphing": {
-        "enabled": false
-      }
-    },
-    "text_effects": {
-      "type": "gradient-text",
-      "description": "HeroUI title component supports color='violet' for gradient text; login page 'Web Login' split with violet accent",
-      "technology": "CSS background-clip-text via HeroUI",
-      "params": {
-        "split_strategy": "by-word (Web / Login)",
-        "animation_per_unit": "none",
-        "stagger": "none",
-        "effect_style": "gradient fill"
-      }
-    },
-    "cursor_effects": {
-      "enabled": true,
-      "type": "magnetic-light-blob",
-      "description": "On HoverEffectCard, a gradient radial blur blob follows cursor position within card bounds",
-      "technology": "CSS absolute positioned div + React mouse tracking",
-      "params": {
-        "shape": "rounded-full",
-        "size": "150px",
-        "blend_mode": "normal",
-        "trail": "opacity transition 300ms",
-        "interaction_zone": "card bounding box"
-      }
-    },
-    "image_effects": {
-      "type": "background-overlay",
-      "description": "User-uploaded background image rendered full-bleed behind layout with opacity-30 object-contain",
-      "technology": "CSS background-image on layout root",
-      "params": {
-        "filter_pipeline": "opacity-30",
-        "hover_transform": "none",
-        "reveal_animation": "none",
-        "distortion_type": "none"
-      }
-    },
-    "glassmorphism_neumorphism": {
-      "enabled": true,
-      "style": "glass",
-      "params": {
-        "blur_radius": "backdrop-blur-sm (4px) to backdrop-blur-xl (24px)",
-        "transparency": "bg-white/10-70 dark:bg-black/10-40",
-        "border_treatment": "border border-white/40 dark:border-white/10",
-        "shadow_type": "shadow-sm to shadow-xl layered",
-        "light_source_angle": "implied top-left via gradient blobs"
-      }
-    },
-    "canvas_drawings": {
-      "enabled": true,
-      "type": "data-visualization-pie",
-      "description": "UsagePie component renders CPU/memory donut charts using Canvas 2D with animated sweep",
-      "technology": "Canvas 2D API",
-      "params": {
-        "draw_method": "arc segments with gradient fill",
-        "animation_loop": "on mount sweep animation",
-        "color_scheme": "primary/secondary/palette",
-        "responsiveness": "container-sized",
-        "interaction": "none (static display)"
-      }
-    },
-    "svg_animations": {
-      "enabled": false
-    },
-    "composite_notes": "The design layers: 1) Static gradient mesh background (CSS), 2) Glass cards with backdrop-blur (CSS), 3) 3D tilt cards on hover (CSS 3D + React), 4) Magnetic light blob follows cursor (React + CSS), 5) Spring animations for layout transitions (motion/react), 6) Canvas pie charts for data viz, 7) Themed scrollbars (CSS), 8) Custom background image overlay (CSS). All effects are lightweight — no WebGL, no heavy JS animation libraries beyond motion/react. HeroUI provides accessible component primitives. Dark mode inverts surfaces and adjusts blob colors. Performance is good on modern browsers; fallback is static CSS (disable motion, keep glass)."
-  }
-}
\ No newline at end of file
