v92-v105 多国适配 + 模板导出增强 + 生图可靠性优化

- 新增韩国（KR）适配：countries/pinterest 种子词、K-pop 提示词、UI 国家列表
- 爬虫跨运行持久化已采集 URL（.collected_urls.json），同关键词重复搜索采新图
- 模板导出增强：SPU 商品属性列名前缀剥离匹配、尺码下拉框 INDIRECT 动态引用、
  SPU 字段映射（袖长/门襟/胸垫等）、季节/印花图案女装映射、建议售价统一必填、
  SKU 分类/数量/单位直接填默认值
- 自定义模式：多模态提示词独立（custom_analyze_*）、生图提示词模板可配置
- Pinterest：空选品守卫、连续空分析保护（max_empty_analyze）、flat_prompt 配置覆盖
- 生图可靠性：开始/完成进度日志、异步任务轮询超时 60s→300s

configs/countries/KR.yaml

@@ -0,0 +1,94 @@
+# 韩国专属数据源配置（configs/countries/KR.yaml）
+trending:
+  enabled: true
+  limit: 40
+style:
+  enabled: true
+  seeds:
+  - kpop
+  - seoul
+  - korean aesthetic
+  - seoul nightlife
+  - seoul neon
+  - y2k
+  - korean street fashion
+  - k-streetwear
+  - korean drama aesthetic
+  - korean cafe
+  - hanbok
+  - hanok
+  - gyeongbokgung
+  - korean traditional pattern
+  - dancheong
+  - korean calligraphy
+  - hangul
+  - korean mask dance
+  - korean drum
+  - korean fan dance
+  - taekwondo
+  - korean tiger
+  - kumiho
+  - korean fox
+  - korean crane
+  - korean magpie
+  - korean zodiac
+  - cherry blossom korea
+  - jinhae cherry blossom
+  - korean autumn leaves
+  - ginkgo
+  - maple korea
+  - korean pine
+  - mugunghwa
+  - korean flower
+  - plum blossom korea
+  - kimchi
+  - bibimbap
+  - tteokbokki
+  - kimbap
+  - bulgogi
+  - samgyeopsal
+  - korean fried chicken
+  - korean street food
+  - bingsu
+  - hotteok
+  - korean dessert
+  - jeju island
+  - hallasan
+  - jeju coast
+  - busan
+  - haeundae
+  - hangang
+  - namsan tower
+  - seoul skyline
+  - korean retro
+  - korean vintage
+  - seoul art
+  - korean minimal
+  - korean wildlife
+  - korean mountain
+  - korean sea
+  - korean fishing village
+  - korean lantern
+  - korean festival
+related:
+  enabled: true
+  seed_keywords:
+  - korean retro
+  - seoul street art
+  - korean vintage
+  - kpop aesthetic
+  - hanbok pattern
+  - korean traditional
+  - korean cafe art
+  - y2k korea
+  - korean wildlife
+  - korean minimal
+  - seoul art
+  - korean food
+  - korean pattern
+  - korean summer
+  - korean music
+  - jeju nature
+  - korean folk art
+  - seoul night
+timeframe: today 3-m