fix: close platform admin final audit findings

frontend/platform_admin/src/api/resource-form.ts

@@ -0,0 +1,41 @@
+import type { ResourceField } from './resources';
+
+export type ResourceFormValue = string | number | boolean | undefined;
+
+export function isMissingField(value: ResourceFormValue | null): boolean {
+  return value === '' || value === null || value === undefined;
+}
+
+export function buildResourcePayload(
+  fields: ResourceField[],
+  form: Record<string, ResourceFormValue>,
+): Record<string, unknown> {
+  const payload: Record<string, unknown> = {};
+  for (const field of fields) {
+    const value = form[field.key];
+    if (isMissingField(value)) {
+      if (!field.required) continue;
+      payload[field.key] = value;
+      continue;
+    }
+    switch (field.type) {
+      case 'number': {
+        const number = Number(value);
+        if (!Number.isFinite(number))
+          throw new Error(`${field.label}必须是数字`);
+        payload[field.key] = number;
+        break;
+      }
+      case 'boolean':
+        payload[field.key] = value === true || value === 'true';
+        break;
+      case 'json':
+        payload[field.key] =
+          typeof value === 'string' ? JSON.parse(value) : value;
+        break;
+      default:
+        payload[field.key] = value;
+    }
+  }
+  return payload;
+}