feat(frontend): 重构视频分析页面，支持多种搜索方式

主要更新：
- 前端改用 Ant Design 组件（Table、Modal、Select 等）
- 支持三种搜索方式：星图ID、达人unique_id、达人昵称模糊匹配
- 列表页实时调用云图 API 获取 A3 数据和成本指标
- 详情弹窗显示完整 6 大类指标，支持文字复制
- 品牌 API URL 格式修复为查询参数形式
- 优化云图 API 参数格式和会话池管理

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/app/models/kol_video.py

@@ -1,52 +1,119 @@
-from sqlalchemy import Column, String, Integer, Float, DateTime, Index
+from sqlalchemy import Column, String, Integer, Float, DateTime, BigInteger, Boolean, Date, Text
+from sqlalchemy.dialects.postgresql import JSONB
 from app.database import Base
 
 
 class KolVideo(Base):
-    """KOL 视频数据模型."""
+    """KOL 视频数据模型 - 映射真实数据库表 yuntu_industry_kol_records."""
 
-    __tablename__ = "kol_videos"
+    __tablename__ = "yuntu_industry_kol_records"
 
     # 主键
     item_id = Column(String, primary_key=True)
 
     # 基础信息
     title = Column(String, nullable=True)
-    viral_type = Column(String, nullable=True)
-    video_url = Column(String, nullable=True)
+    video_url = Column(Text, nullable=True)
+    vid = Column(String, nullable=True)
+    video_duration = Column(Float, nullable=True)
+    create_date = Column(Date, nullable=True)
+    data_date = Column(Date, nullable=True)
+
+    # 达人信息
     star_id = Column(String, nullable=False)
     star_unique_id = Column(String, nullable=False)
     star_nickname = Column(String, nullable=False)
-    publish_time = Column(DateTime, nullable=True)
+    star_uid = Column(String, nullable=True)
+    star_fans_cnt = Column(BigInteger, nullable=True)
+    star_mcn = Column(String, nullable=True)
+
+    # 热度类型
+    hot_type = Column(String, nullable=True)  # 映射为 viral_type
+    is_hot = Column(Boolean, nullable=True)
+    has_cart = Column(Boolean, nullable=True)
 
     # 曝光指标
-    natural_play_cnt = Column(Integer, default=0)
-    heated_play_cnt = Column(Integer, default=0)
-    total_play_cnt = Column(Integer, default=0)
+    natural_play_cnt = Column(BigInteger, default=0)
+    heated_play_cnt = Column(BigInteger, default=0)
+    total_play_cnt = Column(BigInteger, default=0)
 
     # 互动指标
-    total_interact = Column(Integer, default=0)
-    like_cnt = Column(Integer, default=0)
-    share_cnt = Column(Integer, default=0)
-    comment_cnt = Column(Integer, default=0)
+    total_interaction_cnt = Column(BigInteger, default=0)  # 映射为 total_interact
+    natural_interaction_cnt = Column(BigInteger, default=0)
+    heated_interaction_cnt = Column(BigInteger, default=0)
+    digg_cnt = Column(BigInteger, default=0)  # 映射为 like_cnt
+    share_cnt = Column(BigInteger, default=0)
+    comment_cnt = Column(BigInteger, default=0)
+    play_over_cnt = Column(BigInteger, default=0)
+    play_over_rate = Column(Float, nullable=True)
 
-    # 效果指标
+    # 搜索效果指标
+    back_search_cnt = Column(BigInteger, default=0)  # 映射为 return_search_cnt
+    back_search_uv = Column(BigInteger, default=0)
+    after_view_search_cnt = Column(BigInteger, default=0)
+    after_view_search_uv = Column(BigInteger, default=0)
+    after_view_search_rate = Column(Float, nullable=True)
+
+    # A3 指标
     new_a3_rate = Column(Float, nullable=True)
-    after_view_search_uv = Column(Integer, default=0)
-    return_search_cnt = Column(Integer, default=0)
+    total_new_a3_cnt = Column(BigInteger, default=0)
+    natural_new_a3_cnt = Column(BigInteger, default=0)
+    heated_new_a3_cnt = Column(BigInteger, default=0)
+
+    # 成本指标
+    total_cost = Column(Float, nullable=True)
+    heated_cost = Column(Float, nullable=True)
+    star_task_cost = Column(Float, nullable=True)
+    search_cost = Column(Float, nullable=True)
+    ad_hot_roi = Column(Float, nullable=True)
+    estimated_video_cost = Column(Float, default=0)
+    price_under_20s = Column(BigInteger, nullable=True)
+    price_20_60s = Column(BigInteger, nullable=True)
+    price_over_60s = Column(BigInteger, nullable=True)
 
     # 商业信息
     industry_id = Column(String, nullable=True)
     industry_name = Column(String, nullable=True)
     brand_id = Column(String, nullable=True)
-    estimated_video_cost = Column(Float, default=0)
+    order_id = Column(String, nullable=True)
 
-    # 索引定义
-    __table_args__ = (
-        Index("idx_star_id", "star_id"),
-        Index("idx_star_unique_id", "star_unique_id"),
-        Index("idx_star_nickname", "star_nickname"),
-    )
+    # JSON 字段
+    content_type = Column(JSONB, nullable=True)
+    industry_tags = Column(JSONB, nullable=True)
+    ad_hot_type = Column(JSONB, nullable=True)
+    trend = Column(JSONB, nullable=True)
+    trend_daily = Column(JSONB, nullable=True)
+    trend_total = Column(JSONB, nullable=True)
+    component_metric_list = Column(JSONB, nullable=True)
+    key_word_after_search_infos = Column(JSONB, nullable=True)
+    index_map = Column(JSONB, nullable=True)
+    search_keywords = Column(JSONB, nullable=True)
+    keywords = Column(JSONB, nullable=True)
+
+    # 时间戳
+    created_at = Column(DateTime, nullable=True)
+    updated_at = Column(DateTime, nullable=True)
 
     def __repr__(self):
         return f"<KolVideo(item_id={self.item_id}, title={self.title})>"
+
+    # 兼容属性 - 映射旧字段名到新字段名
+    @property
+    def viral_type(self):
+        return self.hot_type
+
+    @property
+    def total_interact(self):
+        return self.total_interaction_cnt
+
+    @property
+    def like_cnt(self):
+        return self.digg_cnt
+
+    @property
+    def return_search_cnt(self):
+        return self.back_search_cnt
+
+    @property
+    def publish_time(self):
+        return self.create_date