refactor(orm): move ExtResultFieldDef to internal client-impl

The type was exported from plugin.ts but never used in public typings.
Move it as a simple non-generic type into client-impl.ts where it's
actually consumed.

Author: genu

packages/orm/src/client/client-impl.ts

@@ -37,7 +37,12 @@ import { ZenStackQueryExecutor } from './executor/zenstack-query-executor';
 import * as BuiltinFunctions from './functions';
 import { SchemaDbPusher } from './helpers/schema-db-pusher';
 import type { ClientOptions, ProceduresOptions } from './options';
-import type { AnyPlugin, ExtResultFieldDef } from './plugin';
+import type { AnyPlugin } from './plugin';
+
+type ExtResultFieldDef = {
+    needs: Record<string, true>;
+    compute: (data: Record<string, any>) => unknown;
+};
 import { getField } from './query-utils';
 import { createZenStackPromise, type ZenStackPromise } from './promise';
 import { ResultProcessor } from './result-processor';

packages/orm/src/client/plugin.ts

@@ -20,21 +20,6 @@ export type ExtQueryArgsBase = {
  */
 export type ExtClientMembersBase = Record<string, unknown>;
 
-/**
- * Definition for a single extended result field.
- * When used without type parameters, accepts any field names and untyped compute.
- */
-export type ExtResultFieldDef<Needs extends Record<string, true> = Record<string, true>> = {
-    /**
-     * Fields required to compute this result field.
-     */
-    needs: Needs;
-    /**
-     * Computes the result field value from the query result row.
-     */
-    compute: (data: { [K in keyof Needs]: any }) => unknown;
-};
-
 /**
  * Base shape of plugin-extended result fields.
  * Keyed by model name, each value maps field names to their definitions.