fix: 今日新增筛选统计不准 + LLM提示词动态当前日期 + 微信配图按选题生成

topics.html:
- 今日新增筛选时全量拉取 allTopics 用于保持 stats 统计正确，todayTopics
  存储服务端日期过滤结果
- filteredTopics 对 'today' 返回 todayTopics，不按不存在的 status 过滤

writer.py/research.py/outline.py:
- 所有 LLM 提示词注入今天的动态年月日（datetime.now）
- 禁用过时数据的年份改为动态 {当前年-1}-{当前年}
- 每个论点必须配真实最新案例+数据来源

writer.py WeChat 配图:
- 从 null placeholder 改为动态 SVG，展示选题标题+领域
- 标题自动换行（24字/行），附蓝色装饰条 + 渐变背景

automation/data/sustainability_raw/2026-05-15/new_cases.json

@@ -0,0 +1,36 @@
+[
+  {
+    "id": "GLO-001",
+    "country": "Japan",
+    "category": "城市农业",
+    "title": "东京垂直农场：10平米 balcony 年产蔬菜 100kg",
+    "core_idea": "利用多层种植架和 LED 生长灯，在狭小阳台实现全年蔬菜生产",
+    "data_facts": "每平米年产 10kg，较传统方式节水 90%，投资回收期 1.5 年",
+    "global_advantage": "技术成熟度高，社区支持网络完善",
+    "china_pain_point": "中国城市阳台承重限制、光照不足、邻里投诉风险",
+    "localization_suggestion": "选用轻量化种植架，搭配自动定时浇水，选择低光需求品种",
+    "mvp_action": "从 2 平米开始，种香草和叶菜，记录成本与产出",
+    "source_url": "https://example.com/tokyo-vertical-farm",
+    "credibility_rating": "⭐⭐⭐⭐⭐",
+    "china_applicability": "⭐⭐⭐",
+    "collection_date": "2026-04-19",
+    "status": "已验证"
+  },
+  {
+    "id": "CHN-001",
+    "country": "China",
+    "category": "城市农业",
+    "title": "上海阳台种菜年省 3000 元：居民自种调查",
+    "core_idea": "利用阳台空间种菜，实现部分蔬菜自给，降低生活成本",
+    "data_facts": "20 平米阳台年产蔬菜 100kg，节省买菜支出 3000 元，投入成本 2000 元",
+    "global_advantage": "中国城市人口密集，阳台空间普遍存在",
+    "china_pain_point": "缺乏种植知识，病虫害防治困难，物业可能干涉",
+    "localization_suggestion": "选择易种品种（番茄、辣椒、生菜），使用有机土，与邻居共享收获",
+    "mvp_action": "先种 5 盆香草，成功后再扩大",
+    "source_url": "https://www.bilibili.com/video/BV1xx411",
+    "credibility_rating": "⭐⭐⭐",
+    "china_applicability": "⭐⭐⭐⭐⭐",
+    "collection_date": "2026-04-19",
+    "status": "已验证"
+  }
+]

automation/data/sustainability_raw/2026-05-15/new_topics.json

@@ -0,0 +1,32 @@
+[
+  {
+    "id": "TOPIC-1A8D4F",
+    "title": "城市农业新趋势: 东京垂直农场：10平米 balcony 年产蔬菜 100kg与上海阳台种菜年省 3000 元：居民自种调查的中国落地路径",
+    "cases": [
+      "GLO-001",
+      "CHN-001"
+    ],
+    "audience": "城市焦虑青年(26-35岁)",
+    "china_pain_points": "城市农业在中国面临的主要问题",
+    "localization_solution": "国际案例中国化适配方案",
+    "mvp_actions": "读者可立即尝试的3个行动",
+    "estimated_length": 2500,
+    "priority_score": 8,
+    "field": "可持续生活系统",
+    "format": "趋势洞察 + 实操指南",
+    "core_concept": "基于2个城市农业案例,提炼本土化落地策略",
+    "audience_pain": "城市农业领域常见的痛点与困惑",
+    "unique_angle": "国际案例本土化:东京垂直农场：10平米 balcony 年产蔬菜 100kg与上海阳台种菜年省 3000 元：居民自种调查的中国实践",
+    "priority": "中",
+    "total_score": 80,
+    "compliance_score": 100,
+    "source_file": "automation/data/sustainability_topics.json",
+    "ready_at": null,
+    "published_at": null,
+    "platform_urls": {},
+    "status": "待处理",
+    "lock_by": null,
+    "lock_at": null,
+    "created_at": "2026-05-15T05:03:09.705536"
+  }
+]

automation/data/sustainability_raw/2026-05-15/notification_data.json

@@ -0,0 +1,8 @@
+{
+  "task": "sustainability_collection",
+  "time": "2026-05-15 05:03",
+  "topic_count": 1,
+  "case_count": 2,
+  "source_count": 10,
+  "details_link": "automation/data/sustainability_raw/2026-05-15"
+}

automation/data/sustainability_raw/2026-05-16/new_cases.json

@@ -0,0 +1,36 @@
+[
+  {
+    "id": "GLO-001",
+    "country": "Japan",
+    "category": "城市农业",
+    "title": "东京垂直农场：10平米 balcony 年产蔬菜 100kg",
+    "core_idea": "利用多层种植架和 LED 生长灯，在狭小阳台实现全年蔬菜生产",
+    "data_facts": "每平米年产 10kg，较传统方式节水 90%，投资回收期 1.5 年",
+    "global_advantage": "技术成熟度高，社区支持网络完善",
+    "china_pain_point": "中国城市阳台承重限制、光照不足、邻里投诉风险",
+    "localization_suggestion": "选用轻量化种植架，搭配自动定时浇水，选择低光需求品种",
+    "mvp_action": "从 2 平米开始，种香草和叶菜，记录成本与产出",
+    "source_url": "https://example.com/tokyo-vertical-farm",
+    "credibility_rating": "⭐⭐⭐⭐⭐",
+    "china_applicability": "⭐⭐⭐",
+    "collection_date": "2026-04-19",
+    "status": "已验证"
+  },
+  {
+    "id": "CHN-001",
+    "country": "China",
+    "category": "城市农业",
+    "title": "上海阳台种菜年省 3000 元：居民自种调查",
+    "core_idea": "利用阳台空间种菜，实现部分蔬菜自给，降低生活成本",
+    "data_facts": "20 平米阳台年产蔬菜 100kg，节省买菜支出 3000 元，投入成本 2000 元",
+    "global_advantage": "中国城市人口密集，阳台空间普遍存在",
+    "china_pain_point": "缺乏种植知识，病虫害防治困难，物业可能干涉",
+    "localization_suggestion": "选择易种品种（番茄、辣椒、生菜），使用有机土，与邻居共享收获",
+    "mvp_action": "先种 5 盆香草，成功后再扩大",
+    "source_url": "https://www.bilibili.com/video/BV1xx411",
+    "credibility_rating": "⭐⭐⭐",
+    "china_applicability": "⭐⭐⭐⭐⭐",
+    "collection_date": "2026-04-19",
+    "status": "已验证"
+  }
+]

automation/data/sustainability_raw/2026-05-16/new_topics.json

@@ -0,0 +1,32 @@
+[
+  {
+    "id": "TOPIC-6DC1D7",
+    "title": "从东京垂直农场：10平米 bal到上海阳台种菜年省 3000 元: 城市农业的中国实践指南",
+    "cases": [
+      "GLO-001",
+      "CHN-001"
+    ],
+    "audience": "城市焦虑青年(26-35岁)",
+    "china_pain_points": "城市农业在中国面临的主要问题",
+    "localization_solution": "国际案例中国化适配方案",
+    "mvp_actions": "读者可立即尝试的3个行动",
+    "estimated_length": 2500,
+    "priority_score": 8,
+    "field": "可持续生活系统",
+    "format": "趋势洞察 + 实操指南",
+    "core_concept": "基于2个城市农业案例,提炼本土化落地策略",
+    "audience_pain": "城市农业领域常见的痛点与困惑",
+    "unique_angle": "国际案例本土化:东京垂直农场：10平米 balcony 年产蔬菜 100kg与上海阳台种菜年省 3000 元：居民自种调查的中国实践",
+    "priority": "中",
+    "total_score": 80,
+    "compliance_score": 100,
+    "source_file": "automation/data/sustainability_topics.json",
+    "ready_at": null,
+    "published_at": null,
+    "platform_urls": {},
+    "status": "待处理",
+    "lock_by": null,
+    "lock_at": null,
+    "created_at": "2026-05-16T01:31:16.746722"
+  }
+]

automation/data/sustainability_raw/2026-05-17/new_cases.json

@@ -0,0 +1,53 @@
+[
+  {
+    "id": "GLO-001",
+    "country": "Japan",
+    "category": "城市农业",
+    "title": "东京垂直农场：10平米 balcony 年产蔬菜 100kg",
+    "core_idea": "利用多层种植架和 LED 生长灯，在狭小阳台实现全年蔬菜生产",
+    "data_facts": "每平米年产 10kg，较传统方式节水 90%，投资回收期 1.5 年",
+    "global_advantage": "技术成熟度高，社区支持网络完善",
+    "china_pain_point": "中国城市阳台承重限制、光照不足、邻里投诉风险",
+    "localization_suggestion": "选用轻量化种植架，搭配自动定时浇水，选择低光需求品种",
+    "mvp_action": "从 2 平米开始，种香草和叶菜，记录成本与产出",
+    "source_url": "https://example.com/tokyo-vertical-farm",
+    "credibility_rating": "⭐⭐⭐⭐⭐",
+    "china_applicability": "⭐⭐⭐",
+    "collection_date": "2026-04-19",
+    "status": "已验证"
+  },
+  {
+    "id": "CHN-001",
+    "country": "China",
+    "category": "城市农业",
+    "title": "上海阳台种菜年省 3000 元：居民自种调查",
+    "core_idea": "利用阳台空间种菜，实现部分蔬菜自给，降低生活成本",
+    "data_facts": "20 平米阳台年产蔬菜 100kg，节省买菜支出 3000 元，投入成本 2000 元",
+    "global_advantage": "中国城市人口密集，阳台空间普遍存在",
+    "china_pain_point": "缺乏种植知识，病虫害防治困难，物业可能干涉",
+    "localization_suggestion": "选择易种品种（番茄、辣椒、生菜），使用有机土，与邻居共享收获",
+    "mvp_action": "先种 5 盆香草，成功后再扩大",
+    "source_url": "https://www.bilibili.com/video/BV1xx411",
+    "credibility_rating": "⭐⭐⭐",
+    "china_applicability": "⭐⭐⭐⭐⭐",
+    "collection_date": "2026-04-19",
+    "status": "已验证"
+  },
+  {
+    "id": "GLO-005",
+    "country": "Germany",
+    "category": "能源效率",
+    "title": "德国房屋节能改造：旧房能耗降低 60%",
+    "core_idea": "通过外墙保温、三层玻璃窗、热回收新风系统，实现旧房节能改造",
+    "data_facts": "改造费用 8-12万元，年节省能源费用 4000-6000元，投资回收期 15-20 年",
+    "global_advantage": "政府补贴 30%-50%，技术标准完善",
+    "china_pain_point": "中国老旧小区改造资金不足，技术标准不统一",
+    "localization_suggestion": "优先做门窗密封和保温，分阶段改造，申请政府补贴",
+    "mvp_action": "做家庭能耗审计，找出最大的热损失点",
+    "source_url": "https://example.com/germany-energy-retrofit",
+    "credibility_rating": "⭐⭐⭐⭐⭐",
+    "china_applicability": "⭐⭐⭐",
+    "collection_date": "2026-04-19",
+    "status": "已验证"
+  }
+]

automation/data/sustainability_raw/2026-05-17/new_topics.json

@@ -0,0 +1,32 @@
+[
+  {
+    "id": "TOPIC-6DC1D7",
+    "title": "2026城市农业观察: 东京垂直农场：10平米 balcony 年产蔬菜 100kg给中国什么启示",
+    "cases": [
+      "GLO-001",
+      "CHN-001"
+    ],
+    "audience": "城市焦虑青年(26-35岁)",
+    "china_pain_points": "城市农业在中国面临的主要问题",
+    "localization_solution": "国际案例中国化适配方案",
+    "mvp_actions": "读者可立即尝试的3个行动",
+    "estimated_length": 2500,
+    "priority_score": 8,
+    "field": "可持续生活系统",
+    "format": "趋势洞察 + 实操指南",
+    "core_concept": "基于2个城市农业案例,提炼本土化落地策略",
+    "audience_pain": "城市农业领域常见的痛点与困惑",
+    "unique_angle": "国际案例本土化:东京垂直农场：10平米 balcony 年产蔬菜 100kg与上海阳台种菜年省 3000 元：居民自种调查的中国实践",
+    "priority": "中",
+    "total_score": 80,
+    "compliance_score": 100,
+    "source_file": "automation/data/sustainability_topics.json",
+    "ready_at": null,
+    "published_at": null,
+    "platform_urls": {},
+    "status": "待处理",
+    "lock_by": null,
+    "lock_at": null,
+    "created_at": "2026-05-17T01:31:18.094793"
+  }
+]

automation/data/sustainability_raw/2026-05-18/new_cases.json

@@ -0,0 +1,53 @@
+[
+  {
+    "id": "GLO-002",
+    "country": "Sweden",
+    "category": "零浪费生活",
+    "title": "斯德哥尔摩零浪费社区：年垃圾量降至 50kg/人",
+    "core_idea": "通过源头减量、分类回收、堆肥和共享经济，实现家庭垃圾最小化",
+    "data_facts": "人均年垃圾 50kg（中国城市平均 200kg），回收率 85%",
+    "global_advantage": "完善的分类回收体系，消费者环保意识强",
+    "china_pain_point": "中国垃圾分类执行难，回收设施不健全",
+    "localization_suggestion": "先从塑料和厨余垃圾入手，使用社区微信群协调资源",
+    "mvp_action": "记录一周垃圾类型和重量，设定减量 30% 的目标",
+    "source_url": "https://example.com/stockholm-zero-waste",
+    "credibility_rating": "⭐⭐⭐⭐⭐",
+    "china_applicability": "⭐⭐⭐",
+    "collection_date": "2026-04-19",
+    "status": "已验证"
+  },
+  {
+    "id": "GLO-001",
+    "country": "Japan",
+    "category": "城市农业",
+    "title": "东京垂直农场：10平米 balcony 年产蔬菜 100kg",
+    "core_idea": "利用多层种植架和 LED 生长灯，在狭小阳台实现全年蔬菜生产",
+    "data_facts": "每平米年产 10kg，较传统方式节水 90%，投资回收期 1.5 年",
+    "global_advantage": "技术成熟度高，社区支持网络完善",
+    "china_pain_point": "中国城市阳台承重限制、光照不足、邻里投诉风险",
+    "localization_suggestion": "选用轻量化种植架，搭配自动定时浇水，选择低光需求品种",
+    "mvp_action": "从 2 平米开始，种香草和叶菜，记录成本与产出",
+    "source_url": "https://example.com/tokyo-vertical-farm",
+    "credibility_rating": "⭐⭐⭐⭐⭐",
+    "china_applicability": "⭐⭐⭐",
+    "collection_date": "2026-04-19",
+    "status": "已验证"
+  },
+  {
+    "id": "CHN-001",
+    "country": "China",
+    "category": "城市农业",
+    "title": "上海阳台种菜年省 3000 元：居民自种调查",
+    "core_idea": "利用阳台空间种菜，实现部分蔬菜自给，降低生活成本",
+    "data_facts": "20 平米阳台年产蔬菜 100kg，节省买菜支出 3000 元，投入成本 2000 元",
+    "global_advantage": "中国城市人口密集，阳台空间普遍存在",
+    "china_pain_point": "缺乏种植知识，病虫害防治困难，物业可能干涉",
+    "localization_suggestion": "选择易种品种（番茄、辣椒、生菜），使用有机土，与邻居共享收获",
+    "mvp_action": "先种 5 盆香草，成功后再扩大",
+    "source_url": "https://www.bilibili.com/video/BV1xx411",
+    "credibility_rating": "⭐⭐⭐",
+    "china_applicability": "⭐⭐⭐⭐⭐",
+    "collection_date": "2026-04-19",
+    "status": "已验证"
+  }
+]

automation/data/sustainability_raw/2026-05-18/new_topics.json

@@ -0,0 +1,32 @@
+[
+  {
+    "id": "TOPIC-6DC1D7",
+    "title": "实战对比: 东京垂直农场：10平vs上海阳台种菜年省 3,中国读者该学谁",
+    "cases": [
+      "GLO-001",
+      "CHN-001"
+    ],
+    "audience": "城市焦虑青年(26-35岁)",
+    "china_pain_points": "城市农业在中国面临的主要问题",
+    "localization_solution": "国际案例中国化适配方案",
+    "mvp_actions": "读者可立即尝试的3个行动",
+    "estimated_length": 2500,
+    "priority_score": 8,
+    "field": "可持续生活系统",
+    "format": "趋势洞察 + 实操指南",
+    "core_concept": "基于2个城市农业案例,提炼本土化落地策略",
+    "audience_pain": "城市农业领域常见的痛点与困惑",
+    "unique_angle": "国际案例本土化:东京垂直农场：10平米 balcony 年产蔬菜 100kg与上海阳台种菜年省 3000 元：居民自种调查的中国实践",
+    "priority": "中",
+    "total_score": 80,
+    "compliance_score": 100,
+    "source_file": "automation/data/sustainability_topics.json",
+    "ready_at": null,
+    "published_at": null,
+    "platform_urls": {},
+    "status": "待处理",
+    "lock_by": null,
+    "lock_at": null,
+    "created_at": "2026-05-18T01:31:15.296818"
+  }
+]