Add OpenClaw config directory settings (#1518)

Co-authored-by: 张斌 <zhangbin25@xiaomi.com>

src/lib/schemas/settings.ts

@@ -21,6 +21,8 @@ export const settingsSchema = z.object({
   claudeConfigDir: directorySchema.nullable().optional(),
   codexConfigDir: directorySchema.nullable().optional(),
   geminiConfigDir: directorySchema.nullable().optional(),
+  opencodeConfigDir: directorySchema.nullable().optional(),
+  openclawConfigDir: directorySchema.nullable().optional(),
 
   // 当前供应商 ID（设备级）
   currentProviderClaude: z.string().optional(),