feat(knowledge): 笔记页实体可点击筛选 + chip 美化

- 实体改为按钮：点击即在左侧列表筛出提及该实体的知识（清空来源/状态筛选）
- chip 加阴影/hover 上浮/类型 ring 标签/实体区 Sparkles 图标，更精致

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

offline-backend-20260512/backend/app/gateway/routers/skills.py

@@ -149,6 +149,7 @@ class SkillResponse(BaseModel):
     """Response model for skill information."""
 
     name: str = Field(..., description="Name of the skill")
+    name_zh: str | None = Field(default=None, description="用户配置或大模型生成的中文名称")
     description: str = Field(..., description="Description of what the skill does")
     license: str | None = Field(None, description="License information")
     category: SkillCategory = Field(..., description="Category of the skill (public or custom)")
@@ -313,16 +314,19 @@ def _skill_to_response(
         detail = ownership.get("detail")
 
     display = None if display_override is _UNSET else display_override
-    if display_override is _UNSET:
-        try:
-            skill_config = get_extensions_config().skills.get(skill.name)
-            if skill_config and skill_config.display:
+    name_zh: str | None = None
+    try:
+        skill_config = get_extensions_config().skills.get(skill.name)
+        if skill_config:
+            if display_override is _UNSET and skill_config.display:
                 display = skill_config.display.model_dump(by_alias=True)
-        except Exception:
-            logger.debug("Failed to read display adapter for %s", skill.name, exc_info=True)
+            name_zh = skill_config.name_zh or None
+    except Exception:
+        logger.debug("Failed to read extensions config for %s", skill.name, exc_info=True)
 
     return SkillResponse(
         name=skill.name,
+        name_zh=name_zh,
         description=skill.description,
         license=skill.license,
         category=skill.category,
@@ -2142,6 +2146,7 @@ async def update_skill(skill_name: str, request: SkillUpdateRequest, config: App
         extensions_config.skills[skill_name] = SkillStateConfig(
             enabled=request.enabled,
             display=current_skill_config.display if current_skill_config else None,
+            name_zh=current_skill_config.name_zh if current_skill_config else None,
         )
 
         config_data = _dump_extensions_config(extensions_config)