feat(system): implement dynamic platform configs for customer service, safety notice, and service agreement

server/src/db/repository.ts

@@ -1247,6 +1247,91 @@ export class MysqlRepository {
     return res.affectedRows > 0;
   }
 
+  // 3. 平台通用配置与指引 (Platform Configs)
+  async getPlatformConfigs(): Promise<{ [key: string]: any }> {
+    const [rows]: any = await pool.query(`
+      SELECT config_key as configKey, name, value_json as valueJson, description, status
+      FROM platform_configs
+      WHERE status = 1
+    `);
+    const result: { [key: string]: any } = {};
+    for (const r of rows) {
+      let val = r.valueJson;
+      if (typeof val === 'string') {
+        try {
+          val = JSON.parse(val);
+        } catch (_) {}
+      }
+      result[r.configKey] = val;
+    }
+    return result;
+  }
+
+  async getAdminPlatformConfigs(): Promise<any[]> {
+    const [rows]: any = await pool.query(`
+      SELECT id, config_key as configKey, name, value_json as valueJson, description, status,
+             created_at as createdAt, updated_at as updatedAt
+      FROM platform_configs
+      ORDER BY id ASC
+    `);
+    return rows.map((r: any) => {
+      let val = r.valueJson;
+      if (typeof val === 'string') {
+        try {
+          val = JSON.parse(val);
+        } catch (_) {}
+      }
+      return {
+        ...r,
+        valueJson: val
+      };
+    });
+  }
+
+  async updatePlatformConfig(configKey: string, data: { name?: string; valueJson?: any; description?: string; status?: number }): Promise<any> {
+    const fields: string[] = [];
+    const values: any[] = [];
+
+    if (data.name !== undefined) {
+      fields.push('name = ?');
+      values.push(data.name);
+    }
+    if (data.valueJson !== undefined) {
+      fields.push('value_json = ?');
+      values.push(JSON.stringify(data.valueJson));
+    }
+    if (data.description !== undefined) {
+      fields.push('description = ?');
+      values.push(data.description);
+    }
+    if (data.status !== undefined) {
+      fields.push('status = ?');
+      values.push(Number(data.status));
+    }
+
+    if (fields.length > 0) {
+      values.push(configKey);
+      await pool.query(`UPDATE platform_configs SET ${fields.join(', ')} WHERE config_key = ?`, values);
+    }
+
+    const [rows]: any = await pool.query(`
+      SELECT id, config_key as configKey, name, value_json as valueJson, description, status,
+             created_at as createdAt, updated_at as updatedAt
+      FROM platform_configs
+      WHERE config_key = ?
+    `, [configKey]);
+
+    if (!rows || rows.length === 0) return null;
+    const r = rows[0];
+    let val = r.valueJson;
+    if (typeof val === 'string') {
+      try {
+        val = JSON.parse(val);
+      } catch (_) {}
+    }
+    return { ...r, valueJson: val };
+  }
+
 
 
   async getArbitrations(): Promise<any[]> {