feat: LLM 解耦 bot、RSS 外置与内容过滤

daily 自建 Cursor bridge；DAILY_LLM_PROVIDER 控制后端；config/feeds.yaml 与 sensitive_words 可配置。

Co-authored-by: Cursor <cursoragent@cursor.com>

config/feeds.yaml

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+version: 1
+intl:
+  categories:
+  - id: official
+    name: 厂商官方
+    icon: 🏢
+    feeds:
+    - name: Anthropic Claude 更新
+      url: https://docs.anthropic.com/en/release-notes/feed
+    - name: OpenAI
+      url: https://openai.com/news/rss.xml
+    - name: Google AI
+      url: https://blog.google/technology/ai/rss/
+    - name: DeepMind
+      url: https://deepmind.google/blog/rss.xml
+    - name: Meta Engineering
+      url: https://engineering.fb.com/feed/
+    - name: Microsoft Research
+      url: https://www.microsoft.com/en-us/research/feed/
+    - name: Microsoft Blog
+      url: https://blogs.microsoft.com/feed/
+    - name: Cohere
+      url: https://cohere.com/blog/rss.xml
+    - name: Cursor Changelog
+      url: https://cursor.com/changelog/rss.xml
+  - id: developer
+    name: Agent / LLM 开发者
+    icon: 🛠
+    feeds:
+    - name: LangChain
+      url: https://blog.langchain.dev/rss/
+    - name: Hugging Face
+      url: https://huggingface.co/blog/feed.xml
+    - name: Vercel Changelog
+      url: https://vercel.com/changelog/rss.xml
+    - name: GitHub Copilot
+      url: https://github.blog/changelog/label/copilot/feed/
+  - id: media
+    name: 综合科技媒体
+    icon: 📰
+    feeds:
+    - name: The Verge AI
+      url: https://www.theverge.com/rss/ai-artificial-intelligence/index.xml
+    - name: TechCrunch AI
+      url: https://techcrunch.com/category/artificial-intelligence/feed/
+    - name: Ars Technica AI
+      url: https://arstechnica.com/ai/feed/
+    - name: Wired AI
+      url: https://www.wired.com/feed/tag/ai/latest/rss
+    - name: MIT Tech Review
+      url: https://www.technologyreview.com/feed/
+    - name: VentureBeat AI
+      url: https://venturebeat.com/category/ai/feed/
+  - id: newsletter
+    name: Newsletter 日报
+    icon: ✉️
+    feeds:
+    - name: Ben's Bites
+      url: https://bensbites.substack.com/feed
+    - name: The Rundown AI
+      url: https://therundown.substack.com/feed
+    - name: Latent Space
+      url: https://www.latent.space/feed
+    - name: Simon Willison
+      url: https://simonwillison.net/atom/everything/
+    - name: Import AI
+      url: https://importai.substack.com/feed
+    - name: Last Week in AI
+      url: https://lastweekin.ai/feed
+    - name: The Neuron
+      url: https://www.theneuron.ai/feed
+  - id: research
+    name: 研究 / 论文
+    icon: 📚
+    feeds:
+    - name: arXiv cs.CL
+      url: https://arxiv.org/rss/cs.CL
+    - name: arXiv cs.AI
+      url: https://arxiv.org/rss/cs.AI
+    - name: arXiv cs.LG
+      url: https://arxiv.org/rss/cs.LG
+  - id: trending
+    name: 热点 / 趋势
+    icon: 🔥
+    feeds:
+    - name: Google News · AI
+      url: https://news.google.com/rss/search?q=artificial+intelligence+OR+LLM+OR+Claude+OR+GPT&hl=en-US&gl=US&ceid=US:en
+    - name: Google News · Technology
+      url: https://news.google.com/rss/headlines/section/topic/TECHNOLOGY?hl=en-US&gl=US&ceid=US:en
+    - name: Techmeme
+      url: https://www.techmeme.com/feed.xml
+    - name: HN · Front Page
+      url: https://hnrss.org/frontpage
+    - name: HN · 100+ Points
+      url: https://hnrss.org/newest?points=100
+    - name: Dev.to · AI
+      url: https://dev.to/feed/tag/ai
+    - name: Lobsters
+      url: https://lobste.rs/rss
+  - id: community
+    name: 社区讨论
+    icon: 💬
+    feeds:
+    - name: HN · AI/LLM/Agent
+      url: https://hnrss.org/newest?q=AI+OR+LLM+OR+Claude+OR+agent+OR+GPT+OR+Gemini
+    - name: Reddit · LLM/Claude/ML
+      url: https://old.reddit.com/r/LocalLLaMA+ClaudeAI+MachineLearning+OpenAI/.rss?limit=25
+      slow: true
+cn:
+  title_keywords:
+  - 人工智能
+  - 大模型
+  - 智能体
+  - 多模态
+  - AIGC
+  - LLM
+  - GPT
+  - Claude
+  - Gemini
+  - ChatGPT
+  - OpenAI
+  - Anthropic
+  - Copilot
+  - Agent
+  - 'AI '
+  - ' AI'
+  - AI·
+  - AI业务
+  - AI模型
+  - AI助手
+  - AI工具
+  - AI编程
+  - AI 编程
+  - AI版
+  - AI Agent
+  - 推理模型
+  - 深度学习
+  - 机器学习
+  - Function Calling
+  categories:
+  - id: media
+    name: AI 专业媒体
+    icon: 📰
+    feeds:
+    - name: 量子位
+      url: https://www.qbitai.com/feed
+    - name: InfoQ 中文
+      url: https://www.infoq.cn/feed/AI
+  - id: tech
+    name: 综合科技
+    icon: 📱
+    feeds:
+    - name: 36氪
+      url: https://36kr.com/feed
+      ai_filter: true
+    - name: 雷锋网
+      url: https://www.leiphone.com/feed
+    - name: Google News · AI
+      url: https://news.google.com/rss/search?q=人工智能+OR+大模型+OR+Agent+OR+LLM&hl=zh-CN&gl=CN&ceid=CN:zh-Hans
+  - id: dev
+    name: 开发者社区
+    icon: 💻
+    feeds:
+    - name: 掘金
+      url: https://juejin.cn/rss
+      ai_filter: true

config/sensitive_words.yaml

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+# 标题或摘要命中任一词则丢弃（不区分大小写）
+words:
+  - 赌博
+  - 六合彩
+  - 网赌
+  - 色情
+  - 裸聊
+  - 代孕
+  - 办证
+  - 刷单兼职