Add configurable automatic database backup scheduling

cli/src/config/home.ts

@@ -49,6 +49,10 @@ export function resolveDefaultStorageDir(instanceId?: string): string {
   return path.resolve(resolvePaperclipInstanceRoot(instanceId), "data", "storage");
 }
 
+export function resolveDefaultBackupDir(instanceId?: string): string {
+  return path.resolve(resolvePaperclipInstanceRoot(instanceId), "data", "backups");
+}
+
 export function expandHomePrefix(value: string): string {
   if (value === "~") return os.homedir();
   if (value.startsWith("~/")) return path.resolve(os.homedir(), value.slice(2));
@@ -64,6 +68,7 @@ export function describeLocalInstancePaths(instanceId?: string) {
     instanceRoot,
     configPath: resolveDefaultConfigPath(resolvedInstanceId),
     embeddedPostgresDataDir: resolveDefaultEmbeddedPostgresDir(resolvedInstanceId),
+    backupDir: resolveDefaultBackupDir(resolvedInstanceId),
     logDir: resolveDefaultLogsDir(resolvedInstanceId),
     secretsKeyFilePath: resolveDefaultSecretsKeyFilePath(resolvedInstanceId),
     storageDir: resolveDefaultStorageDir(resolvedInstanceId),

cli/src/config/schema.ts

@@ -2,6 +2,7 @@ export {
   paperclipConfigSchema,
   configMetaSchema,
   llmConfigSchema,
+  databaseBackupConfigSchema,
   databaseConfigSchema,
   loggingConfigSchema,
   serverConfigSchema,
@@ -13,6 +14,7 @@ export {
   secretsLocalEncryptedConfigSchema,
   type PaperclipConfig,
   type LlmConfig,
+  type DatabaseBackupConfig,
   type DatabaseConfig,
   type LoggingConfig,
   type ServerConfig,