chore: snapshot before performance optimization

keep-notes/lib/config.ts

@@ -1,41 +1,50 @@
-import prisma from './prisma';
+import prisma from './prisma'
+import { unstable_cache } from 'next/cache'
+
+const getCachedSystemConfig = unstable_cache(
+  async () => {
+    try {
+      const configs = await prisma.systemConfig.findMany()
+      return configs.reduce((acc, conf) => {
+        acc[conf.key] = conf.value
+        return acc
+      }, {} as Record<string, string>)
+    } catch (e) {
+      console.error('Failed to load system config from DB:', e)
+      return {}
+    }
+  },
+  ['system-config'],
+  { tags: ['system-config'] }
+)
 
 export async function getSystemConfig() {
-  try {
-    const configs = await prisma.systemConfig.findMany();
-    return configs.reduce((acc, conf) => {
-      acc[conf.key] = conf.value;
-      return acc;
-    }, {} as Record<string, string>);
-  } catch (e) {
-    console.error('Failed to load system config from DB:', e);
-    return {};
-  }
+  return getCachedSystemConfig()
 }
 
 /**
  * Get a config value with a default fallback
  */
 export async function getConfigValue(key: string, defaultValue: string = ''): Promise<string> {
-  const config = await getSystemConfig();
-  return config[key] || defaultValue;
+  const config = await getSystemConfig()
+  return config[key] || defaultValue
 }
 
 /**
  * Get a numeric config value with a default fallback
  */
 export async function getConfigNumber(key: string, defaultValue: number): Promise<number> {
-  const value = await getConfigValue(key, String(defaultValue));
-  const num = parseFloat(value);
-  return isNaN(num) ? defaultValue : num;
+  const value = await getConfigValue(key, String(defaultValue))
+  const num = parseFloat(value)
+  return isNaN(num) ? defaultValue : num
 }
 
 /**
  * Get a boolean config value with a default fallback
  */
 export async function getConfigBoolean(key: string, defaultValue: boolean): Promise<boolean> {
-  const value = await getConfigValue(key, String(defaultValue));
-  return value === 'true';
+  const value = await getConfigValue(key, String(defaultValue))
+  return value === 'true'
 }
 
 /**
@@ -52,4 +61,4 @@ export const SEARCH_DEFAULTS = {
   QUERY_EXPANSION_ENABLED: false,
   QUERY_EXPANSION_MAX_SYNONYMS: 3,
   DEBUG_MODE: false,
-} as const;
+} as const