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/CA.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:
+  - canadian wilderness
+  - northern lights
+  - canadian wildlife
+  - moose
+  - polar bear
+  - mountain lakes
+  - cottage country
+  - canadian retro
+  - hockey culture
+  - coastal canada
+  - canadian maple
+  - rocky mountains
+  - canadian forest
+  - canadian birds
+  - loon
+  - canadian canoe
+  - banff landscape
+  - canadian winter
+  - snowboarding retro
+  - canadian fishing
+  - maple forest
+  - canadian coast
+  - canadian summer
+  - canadian wildlife art
+  - niagara falls
+  - canadian prairie
+  - canadian retro poster
+  - canadian mountains
+  - canadian lake
+  - canadian minimal
+  - canadian autumn
+  - canadian wildlife illustration
+  - canadian cabin
+  - canadian trail
+  - canadian beach
+  - canadian skyline
+  - canadian retro travel
+  - canadian nature
+  - canadian wildlife retro
+  - canadian outdoor