refactor: Phase 1 抽出 shared/skills_data 解耦 daily 与 bot

daily 不再通过 sys.path 导入 bot/skills_service，skills feed 数据层上移到 shared/。

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

daily/config.py

@@ -3,13 +3,11 @@
 from __future__ import annotations
 
 import os
-import sys
 from pathlib import Path
 
 from dotenv import load_dotenv
 
 ROOT = Path(__file__).resolve().parent.parent
-BOT_DIR = ROOT / "bot"
 OUTPUT_DIR = ROOT / "output"
 LOG_DIR = ROOT / "logs"
 CACHE_DIR = ROOT / ".cache"
@@ -49,12 +47,6 @@ load_dotenv(ROOT / ".env")
 load_dotenv(ROOT / ".env.local", override=True)
 
 
-def ensure_bot_on_path() -> None:
-    bot = str(BOT_DIR)
-    if bot not in sys.path:
-        sys.path.insert(0, bot)
-
-
 def _clean_env_value(raw: str | None) -> str | None:
     if raw is None:
         return None