新增 Pinterest 参考模式：独立于 Google Trends 的完整链路（12国种子词池 / LLM搜索词json_schema+防重复+已用词限100 / 并发爬图 / 多模态分析→原创简报 / 生图带爬取图参考图生图 / UI流程选择）

configs/pinterest/BR.yaml

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+# Pinterest 参考模式种子词（面向视觉灵感，非热点关键词）
+# 约束：避开品牌/角色/名人/宗教/国旗/酒精等侵权与敏感项
+seeds:
+  - brazilian tropical
+  - amazon rainforest
+  - brazilian street art
+  - carnival colors
+  - tropical birds
+  - brazilian flora
+  - favela art
+  - samba culture
+  - brazilian beach
+  - jaguar
+  - toucan
+  - brazilian retro
+  - tropical leaves
+  - brazilian wildlife
+  - brazilian coast
+  - rio landscape
+  - brazilian patterns
+  - tropical sunset
+  - brazilian birds
+  - brazilian art
+  - amazon wildlife
+  - brazilian minimal
+  - tropical flowers
+  - brazilian street style
+  - brazilian retro poster
+  - brazilian nature
+  - brazilian beach sunset
+  - brazilian architecture
+  - tropical fish
+  - brazilian forest
+  - brazilian folk art
+  - brazilian textiles
+  - brazilian mountains
+  - brazilian wildlife art
+  - tropical retro
+  - brazilian coast retro
+  - brazilian floral
+  - brazilian landscape
+  - brazilian summer
+  - brazilian retro design