docs: decouple favorites, manual ingest, write-for-sort-only

config.example.json

@@ -8,7 +8,7 @@
     "write": {
       "mid": 0,
       "csrf": "从 write 账号 cookie 中的 bili_jct 取值",
-      "cookie": "写入账号的完整 Cookie（用于加入收藏夹和排序）"
+      "cookie": "写入账号的完整 Cookie（仅用于 favsort.py 收藏夹重排序）"
     }
   },
   "overrides": {},
@@ -55,8 +55,6 @@
   ],
   "schedule": {
     "discover_minutes": 60,
-    "folder_sync_minutes": 60,
-    "full_folder_refresh_hours": 6,
     "snapshot_at": "00:01",
     "candidate_ttl_days": 7
   },