feat(web-ui): align Skills scene UI with Sparo-style layout

src/web-ui/src/app/scenes/skills/components/SkillCard.scss

@@ -1,7 +1,7 @@
 @use '../../../../component-library/styles/tokens' as *;
 
 /* ───────────────────────────────────────────────────
-   SkillCard — vertical card with glassmorphism effect
+   SkillCard — compact card for discover tab grid
    DOM:
      .skill-card
        ::before (decorative circle blur)
@@ -18,9 +18,10 @@
    ─────────────────────────────────────────────────── */
 
 .skill-card {
-  width: 360px;
-  height: 200px;
-  border-radius: 15px;
+  width: 100%;
+  height: 100%;
+  min-height: 150px;
+  border-radius: 12px;
   background: var(--element-bg-soft);
   display: flex;
   flex-direction: column;
@@ -33,31 +34,27 @@
     transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
     box-shadow 0.35s ease;
 
-  // Top gradient overlay - shows on hover, covers entire card except footer
+  // Top gradient overlay
   &::before {
     content: "";
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
-    bottom: 40px;
+    bottom: 0;
     background: var(--skill-card-gradient);
     opacity: 0;
     transition: opacity 0.35s ease;
     pointer-events: none;
     z-index: 0;
   }
 
-  &--no-actions::before {
-    bottom: 0;
-  }
-
   &:hover {
-    transform: translateY(-4px) scale(1.02);
-    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
+    transform: translateY(-3px) scale(1.01);
+    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
 
     &::before {
-      opacity: 0.4;
+      opacity: 0.25;
     }
   }
 
@@ -71,8 +68,7 @@
     display: flex;
     align-items: flex-start;
     justify-content: space-between;
-    padding: $size-gap-3;
-    padding-bottom: 0;
+    padding: 12px 12px 8px;
     position: relative;
     z-index: 1;
   }
@@ -81,8 +77,8 @@
     display: flex;
     align-items: center;
     justify-content: center;
-    width: 32px;
-    height: 32px;
+    width: 30px;
+    height: 30px;
     border-radius: 8px;
     background: rgba(255, 255, 255, 0.12);
     backdrop-filter: blur(8px);
@@ -104,7 +100,7 @@
   // ── Body ──
   &__body {
     flex: 1;
-    padding: $size-gap-2 $size-gap-3;
+    padding: 0 12px;
     display: flex;
     flex-direction: column;
     gap: 4px;
@@ -116,12 +112,12 @@
   &__title-row {
     display: flex;
     align-items: center;
-    gap: $size-gap-2;
+    gap: 8px;
     min-width: 0;
   }
 
   &__name {
-    font-size: 0.92em;
+    font-size: 0.9em;
     font-weight: $font-weight-semibold;
     color: var(--color-text-primary);
     line-height: $line-height-base;
@@ -165,10 +161,11 @@
     display: flex;
     align-items: center;
     width: 100%;
-    border-radius: 0 0 15px 15px;
+    border-radius: 0 0 12px 12px;
     overflow: hidden;
     position: relative;
     z-index: 1;
+    margin-top: auto;
 
     // Bottom gradient blur background matching card color
     &::after {
@@ -179,14 +176,14 @@
       right: 0;
       bottom: 0;
       background: var(--skill-card-gradient);
-      opacity: 0.5;
+      opacity: 0.35;
       transition: opacity 0.35s ease;
       pointer-events: none;
     }
   }
 
   &:hover &__footer::after {
-    opacity: 1;
+    opacity: 0.6;
   }
 
   &__actions {
@@ -202,7 +199,7 @@
     display: inline-flex;
     align-items: center;
     justify-content: center;
-    height: 35px;
+    height: 32px;
     padding: 0;
     border: none;
     background: rgba(255, 255, 255, 0.08);
@@ -244,14 +241,6 @@
   }
 }
 
-// ── Responsive ──
-@media (max-width: 720px) {
-  .skill-card {
-    width: 100%;
-    min-height: 180px;
-  }
-}
-
 // ── Animations ──
 @keyframes skill-card-in {
   from {

src/web-ui/src/app/scenes/skills/components/SkillCard.tsx

@@ -41,11 +41,9 @@ const SkillCard: React.FC<SkillCardProps> = ({
   const Icon = iconKind === 'market' ? Package : Puzzle;
   const openDetails = () => onOpenDetails?.();
 
-  const hasActions = actions.length > 0;
-
   return (
     <div
-      className={['skill-card', !hasActions && 'skill-card--no-actions'].filter(Boolean).join(' ')}
+      className="skill-card"
       style={{
         '--card-index': index,
         '--skill-card-gradient': getCardGradient(accentSeed ?? name),
@@ -91,7 +89,7 @@ const SkillCard: React.FC<SkillCardProps> = ({
       </div>
 
       {/* Footer: action buttons */}
-      {hasActions && (
+      {actions.length > 0 && (
         <div className="skill-card__footer">
           <div className="skill-card__actions" onClick={(e) => e.stopPropagation()}>
             {actions.map((action) => (

src/web-ui/src/app/scenes/skills/hooks/useInstalledSkills.ts

@@ -168,7 +168,17 @@ export function useInstalledSkills({ searchQuery, activeFilter }: UseInstalledSk
 
   const filteredSkills = useMemo(() => {
     return skills.filter((skill) => {
-      const matchesFilter = activeFilter === 'all' || skill.level === activeFilter;
+      let matchesFilter = true;
+      if (activeFilter === 'user') {
+        matchesFilter = skill.level === 'user' && !skill.isBuiltin;
+      } else if (activeFilter === 'project') {
+        matchesFilter = skill.level === 'project' && !skill.isBuiltin;
+      } else if (activeFilter === 'builtin') {
+        matchesFilter = skill.isBuiltin;
+      } else if (activeFilter === 'suite') {
+        matchesFilter = false;
+      }
+
       const matchesQuery = !normalizedQuery || [
         skill.name,
         skill.description,
@@ -180,8 +190,10 @@ export function useInstalledSkills({ searchQuery, activeFilter }: UseInstalledSk
 
   const counts = useMemo(() => ({
     all: skills.length,
-    user: skills.filter((skill) => skill.level === 'user').length,
-    project: skills.filter((skill) => skill.level === 'project').length,
+    builtin: skills.filter((skill) => skill.isBuiltin).length,
+    user: skills.filter((skill) => skill.level === 'user' && !skill.isBuiltin).length,
+    project: skills.filter((skill) => skill.level === 'project' && !skill.isBuiltin).length,
+    suite: 0,
   }), [skills]);
 
   return {

src/web-ui/src/app/scenes/skills/skillsSceneStore.ts

@@ -1,6 +1,6 @@
 import { create } from 'zustand';
 
-export type InstalledFilter = 'all' | 'user' | 'project';
+export type InstalledFilter = 'all' | 'builtin' | 'user' | 'project' | 'suite';
 
 interface SkillsSceneState {
   searchDraft: string;

src/web-ui/src/locales/en-US/scenes/skills.json

@@ -41,8 +41,17 @@
   },
   "filters": {
     "all": "All",
+    "builtin": "Built-in",
     "user": "User",
-    "project": "Project"
+    "project": "Project",
+    "suite": "Suites"
+  },
+  "categories": {
+    "all": "All installed skills, including built-in, user-level, and project-level.",
+    "builtin": "Core skills shipped with the app. They cannot be deleted.",
+    "user": "User-level skills installed globally for your account.",
+    "project": "Project-level skills for the current workspace.",
+    "suite": "Curated skill bundles that package related skills together (coming soon)."
   },
   "section": {
     "user": {
@@ -64,6 +73,7 @@
       "noMatch": "No matching marketplace skills found",
       "noSkills": "No marketplace skills available"
     },
+    "resultsInfo": "{{count}} results for \"{{query}}\"",
     "item": {
       "sourceLabel": "Source: ",
       "installs": "Installs: {{count}}",
@@ -98,7 +108,8 @@
       "user": "User-level (Global)",
       "project": "Project-level (Current Workspace)",
       "projectDisabled": " - Need to open workspace first",
-      "currentWorkspace": "Current workspace: {{path}}"
+      "currentWorkspace": "Current workspace: {{path}}",
+      "selectedProjectPath": "Selected project path: {{path}}"
     },
     "path": {
       "label": "Skill Folder Path",
@@ -123,6 +134,9 @@
     "item": {
       "user": "User",
       "project": "Project",
+      "builtin": "Built-in",
+      "userInstalled": "Installed",
+      "detail": "Details",
       "deleteTooltip": "Delete",
       "pathLabel": "Path:",
       "openPathInExplorer": "Open this folder in file explorer",

src/web-ui/src/locales/zh-CN/scenes/skills.json

@@ -41,8 +41,17 @@
   },
   "filters": {
     "all": "全部",
+    "builtin": "内置",
     "user": "用户级",
-    "project": "项目级"
+    "project": "项目级",
+    "suite": "套件"
+  },
+  "categories": {
+    "all": "查看所有已安装的技能，包含内置、用户和项目级。",
+    "builtin": "系统出厂自带的核心技能，不可删除。",
+    "user": "全局安装到当前账户的用户级技能。",
+    "project": "当前工作区下的项目级技能。",
+    "suite": "精选技能套件将多个相关技能打包提供（敬请期待）。"
   },
   "section": {
     "user": {
@@ -64,6 +73,7 @@
       "noMatch": "没有找到匹配的市场技能",
       "noSkills": "暂时没有可展示的市场技能"
     },
+    "resultsInfo": "关键词「{{query}}」共 {{count}} 条相关结果",
     "item": {
       "sourceLabel": "来源: ",
       "installs": "安装量: {{count}}",
@@ -98,7 +108,8 @@
       "user": "用户级（全局）",
       "project": "项目级（当前工作空间）",
       "projectDisabled": " - 需要先打开工作区",
-      "currentWorkspace": "当前工作区: {{path}}"
+      "currentWorkspace": "当前工作区: {{path}}",
+      "selectedProjectPath": "所选项目路径: {{path}}"
     },
     "path": {
       "label": "技能文件夹路径",
@@ -123,6 +134,9 @@
     "item": {
       "user": "用户级",
       "project": "项目级",
+      "builtin": "内置",
+      "userInstalled": "已安装",
+      "detail": "详情",
       "deleteTooltip": "删除",
       "pathLabel": "路径:",
       "openPathInExplorer": "在资源管理器中打开此文件夹",

src/web-ui/src/locales/zh-TW/scenes/skills.json

@@ -41,8 +41,17 @@
   },
   "filters": {
     "all": "全部",
+    "builtin": "內建",
     "user": "用戶級",
-    "project": "項目級"
+    "project": "項目級",
+    "suite": "套件"
+  },
+  "categories": {
+    "all": "查看所有已安裝的技能，包含內建、用戶與項目級。",
+    "builtin": "系統出廠內建的核心技能，不可刪除。",
+    "user": "為目前帳戶全域安裝的用戶級技能。",
+    "project": "目前工作區底下的項目級技能。",
+    "suite": "精選技能套件將多個相關技能打包提供（敬請期待）。"
   },
   "section": {
     "user": {
@@ -64,6 +73,7 @@
       "noMatch": "沒有找到匹配的市場技能",
       "noSkills": "暫時沒有可展示的市場技能"
     },
+    "resultsInfo": "關鍵詞「{{query}}」共 {{count}} 筆相關結果",
     "item": {
       "sourceLabel": "來源: ",
       "installs": "安裝量: {{count}}",
@@ -98,7 +108,8 @@
       "user": "用戶級（全局）",
       "project": "項目級（當前工作空間）",
       "projectDisabled": " - 需要先打開工作區",
-      "currentWorkspace": "當前工作區: {{path}}"
+      "currentWorkspace": "當前工作區: {{path}}",
+      "selectedProjectPath": "所選項目路徑: {{path}}"
     },
     "path": {
       "label": "技能文件夾路徑",
@@ -123,6 +134,9 @@
     "item": {
       "user": "用戶級",
       "project": "項目級",
+      "builtin": "內建",
+      "userInstalled": "已安裝",
+      "detail": "詳情",
       "deleteTooltip": "刪除",
       "pathLabel": "路徑:",
       "openPathInExplorer": "在資源管理器中打開此文件夾",