配置改为数据库存储

将运行时 JSON 配置迁入 app_config_entries，启动时从文件导入并删除源文件。

apps/backend/src/services/platforms/kuaishou-feifei/source-config-service.ts

@@ -1,8 +1,12 @@
-import fs from 'node:fs'
 import path from 'node:path'
 
+import { APP_CONFIG_KEYS } from '../../../config/app-config-keys.js'
 import { PROJECT_ROOT } from '../../../config/runtime.js'
-import { readJsonFile, writeJsonFile } from '../../../utils/json-file-store.js'
+import {
+  hasAppConfigEntry,
+  readAppConfigEntry,
+  saveAppConfigEntry,
+} from '../../config/app-config-store.js'
 import { normalizeCloudtentaclesMatchName } from '../../order/cloudtentacles-match-utils.js'
 import type { KuaishouFeifeiProductRule } from '../../../types/runtime-config.js'
 
@@ -29,23 +33,28 @@ export function getKuaishouFeifeiConfigFilePath() {
 }
 
 export function hasKuaishouFeifeiConfigFile() {
-  return fs.existsSync(KUAISHOU_FEIFEI_CONFIG_FILE_PATH)
+  return hasAppConfigEntry(
+    APP_CONFIG_KEYS.kuaishouFeifei,
+    KUAISHOU_FEIFEI_CONFIG_FILE_PATH,
+  )
 }
 
 export function getKuaishouFeifeiSourceConfig(): KuaishouFeifeiSourceConfig {
-  return readJsonFile(
-    KUAISHOU_FEIFEI_CONFIG_FILE_PATH,
-    createDefaultKuaishouFeifeiSourceConfig,
-    normalizeKuaishouFeifeiSourceConfig,
-  )
+  return readAppConfigEntry({
+    configKey: APP_CONFIG_KEYS.kuaishouFeifei,
+    legacyFilePath: KUAISHOU_FEIFEI_CONFIG_FILE_PATH,
+    fallback: createDefaultKuaishouFeifeiSourceConfig,
+    normalize: normalizeKuaishouFeifeiSourceConfig,
+  })
 }
 
-export function saveKuaishouFeifeiSourceConfig(rawValue: unknown): KuaishouFeifeiSourceConfig {
-  return writeJsonFile(
-    KUAISHOU_FEIFEI_CONFIG_FILE_PATH,
-    rawValue,
-    normalizeKuaishouFeifeiSourceConfig,
-  )
+export function saveKuaishouFeifeiSourceConfig(rawValue: unknown): Promise<KuaishouFeifeiSourceConfig> {
+  return saveAppConfigEntry({
+    configKey: APP_CONFIG_KEYS.kuaishouFeifei,
+    legacyFilePath: KUAISHOU_FEIFEI_CONFIG_FILE_PATH,
+    value: rawValue,
+    normalize: normalizeKuaishouFeifeiSourceConfig,
+  })
 }
 
 export function normalizeKuaishouFeifeiSourceConfig(rawValue: unknown): KuaishouFeifeiSourceConfig {