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>

daily/news/feeds_loader.py

@@ -0,0 +1,113 @@
+"""从 config/feeds.yaml 加载 RSS 源（失败时回退内置默认）。"""
+
+from __future__ import annotations
+
+import logging
+from functools import lru_cache
+from pathlib import Path
+from typing import Any
+
+from daily.config import ROOT
+from daily.news.feeds_types import NewsCategory, NewsFeed
+
+logger = logging.getLogger(__name__)
+
+_FEEDS_FILE = ROOT / "config" / "feeds.yaml"
+
+
+def _parse_feed(raw: dict[str, Any]) -> NewsFeed:
+    return NewsFeed(
+        name=str(raw.get("name") or "").strip(),
+        url=str(raw.get("url") or "").strip(),
+        slow=bool(raw.get("slow")),
+        ai_filter=bool(raw.get("ai_filter")),
+    )
+
+
+def _parse_category(raw: dict[str, Any]) -> NewsCategory | None:
+    cat_id = str(raw.get("id") or "").strip()
+    if not cat_id:
+        return None
+    feeds_raw = raw.get("feeds") or []
+    feeds: list[NewsFeed] = []
+    for item in feeds_raw:
+        if not isinstance(item, dict):
+            continue
+        feed = _parse_feed(item)
+        if feed.name and feed.url:
+            feeds.append(feed)
+    if not feeds:
+        return None
+    return NewsCategory(
+        id=cat_id,
+        name=str(raw.get("name") or cat_id),
+        icon=str(raw.get("icon") or "📰"),
+        feeds=tuple(feeds),
+    )
+
+
+def _parse_categories(items: Any) -> tuple[NewsCategory, ...]:
+    if not isinstance(items, list):
+        return ()
+    categories: list[NewsCategory] = []
+    for raw in items:
+        if not isinstance(raw, dict):
+            continue
+        cat = _parse_category(raw)
+        if cat:
+            categories.append(cat)
+    return tuple(categories)
+
+
+def _load_yaml() -> dict[str, Any] | None:
+    if not _FEEDS_FILE.exists():
+        return None
+    try:
+        import yaml
+    except ImportError:
+        logger.warning("未安装 PyYAML，无法读取 %s", _FEEDS_FILE)
+        return None
+    try:
+        data = yaml.safe_load(_FEEDS_FILE.read_text(encoding="utf-8"))
+    except OSError as exc:
+        logger.warning("读取 feeds 配置失败: %s", exc)
+        return None
+    except Exception as exc:
+        logger.warning("解析 feeds.yaml 失败: %s", exc)
+        return None
+    return data if isinstance(data, dict) else None
+
+
+@lru_cache(maxsize=1)
+def _yaml_payload() -> dict[str, Any] | None:
+    return _load_yaml()
+
+
+def load_categories(region: str) -> tuple[NewsCategory, ...]:
+    data = _yaml_payload()
+    if data:
+        block = data.get(region) or {}
+        categories = _parse_categories(block.get("categories"))
+        if categories:
+            return categories
+        logger.warning("feeds.yaml 中 %s.categories 为空，使用内置默认", region)
+
+    from daily.news import feeds_defaults as defaults
+
+    if region == "cn":
+        return defaults.CN_NEWS_CATEGORIES
+    return defaults.NEWS_CATEGORIES
+
+
+def load_cn_title_keywords() -> tuple[str, ...]:
+    data = _yaml_payload()
+    if data:
+        block = data.get("cn") or {}
+        keywords = block.get("title_keywords")
+        if isinstance(keywords, list):
+            cleaned = tuple(str(x).strip() for x in keywords if str(x).strip())
+            if cleaned:
+                return cleaned
+    from daily.news.feeds_defaults import CN_AI_TITLE_KEYWORDS
+
+    return CN_AI_TITLE_KEYWORDS