重构大量文件

src/app/settings/page.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useState } from "react";
-import { useSettingsStore, defaultPrompts, fontOptions, timezoneOptions } from "@/lib/settings-store";
+import { useSettingsStore, fontOptions, timezoneOptions } from "@/lib/settings-store";
 import { Lock, Type, Save, Sparkles } from "lucide-react";
 import { ResizableSidebar } from "@/components/sidebar";
 import { PromptManagement } from "@/components/settings/prompt-management";
@@ -16,7 +16,6 @@ export default function SettingsPage() {
         tableLineHeight, setTableLineHeight,
         timezone, setTimezone,
         aiConfig, setAIConfig,
-        prompts, resetPrompts, updatePrompt, deletePrompt, addPrompt
     } = useSettingsStore();
 
     // Security
@@ -50,7 +49,7 @@ export default function SettingsPage() {
                 const data = await res.json();
                 setMsg({ type: 'error', text: data.error || "修改失败" });
             }
-        } catch (e) {
+        } catch {
             setMsg({ type: 'error', text: "系统错误，请重试" });
         }
     };