fix(site): 精简站点配置，移除名称/Banner/相关链接 (#15)

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

server/app/api/admin/content.py

@@ -1,5 +1,3 @@
-import json
-
 from fastapi import APIRouter, Depends, File, Form, HTTPException, Query, Request, UploadFile, status
 from pydantic import BaseModel
 from sqlalchemy import func, select
@@ -28,7 +26,7 @@ from app.services.storage import (
 
 router = APIRouter(dependencies=[Depends(require_staff)])
 
-_TEXT_KEYS = {"site_name", "icp_text", "police_text", "link_cirea", "link_housing"}
+_TEXT_KEYS = {"icp_text", "police_text", "link_cirea", "link_housing"}
 _LINK_KEYS = {"link_cirea", "link_housing"}
 _POSITIVE = {
     "upload_max_bytes": "上传大小上限必须是正整数",
@@ -97,41 +95,6 @@ def _logo_id(value) -> str:
     return str(int(text))
 
 
-def _banner_ids(value) -> str:
-    if not isinstance(value, list):
-        _bad("banner_file_ids 必须是数组")
-    numbers: list[int] = []
-    for item in value:
-        if isinstance(item, bool) or not isinstance(item, (int, str)):
-            _bad("banner_file_ids 必须是附件编号")
-        text = str(item).strip()
-        if not text.isdigit() or int(text) <= 0:
-            _bad("banner_file_ids 必须是附件编号")
-        numbers.append(int(text))
-    return json.dumps(numbers, separators=(",", ":"))
-
-
-def _friend_links(value) -> str:
-    if not isinstance(value, list):
-        _bad("friend_links 必须是数组")
-    cleaned: list[dict[str, str]] = []
-    for item in value:
-        if not isinstance(item, dict):
-            _bad("相关链接必须包含名称和地址")
-        name = item.get("name")
-        url = item.get("url")
-        if not isinstance(name, str) or not isinstance(url, str):
-            _bad("相关链接必须包含名称和地址")
-        name = name.strip()
-        url = url.strip()
-        if not name or not url:
-            _bad("相关链接必须包含名称和地址")
-        if is_javascript_url(url):
-            _bad("链接地址不正确")
-        cleaned.append({"name": name, "url": url})
-    return json.dumps(cleaned, ensure_ascii=False, separators=(",", ":"))
-
-
 def _positive(value, message: str) -> str:
     if isinstance(value, bool) or not isinstance(value, int) or value <= 0 or value > _INT_MAX:
         _bad(message)
@@ -155,10 +118,6 @@ def _normalize_settings(payload: dict) -> dict[str, str]:
             stored[key] = _text_setting(key, value)
         elif key == "logo_file_id":
             stored[key] = _logo_id(value)
-        elif key == "banner_file_ids":
-            stored[key] = _banner_ids(value)
-        elif key == "friend_links":
-            stored[key] = _friend_links(value)
         elif key in _POSITIVE:
             stored[key] = _positive(value, _POSITIVE[key])
         elif key in _WORKDAYS: