Update permissions handling and enhance Guard functionality

- Bump `jsonv-ts` dependency to 0.8.6.
- Refactor permission checks in the `Guard` class to improve context validation and error handling.
- Update tests to reflect changes in permission handling, ensuring robust coverage for new scenarios.
- Introduce new test cases for data permissions, enhancing overall test coverage and reliability.

app/src/ui/components/form/json-schema-form/Field.tsx

@@ -217,14 +217,14 @@ export type CustomFieldProps<Data = any> = {
    ) => React.ReactNode;
 };
 
-export const CustomField = <Data = any>({
+export function CustomField<Data = any>({
    path: _path,
    valueStrict = true,
    deriveFn,
    children,
-}: CustomFieldProps<Data>) => {
+}: CustomFieldProps<Data>) {
    const ctx = useDerivedFieldContext(_path, deriveFn);
-   const $value = useFormValue(ctx.path, { strict: valueStrict });
+   const $value = useFormValue(_path, { strict: valueStrict });
    const setValue = (value: any) => ctx.setValue(ctx.path, value);
    return children({ ...ctx, ...$value, setValue, _setValue: ctx.setValue });
-};
+}

app/src/ui/components/form/json-schema-form/Form.tsx

@@ -80,6 +80,7 @@ export function Form<
    onInvalidSubmit,
    validateOn = "submit",
    hiddenSubmit = true,
+   beforeSubmit,
    ignoreKeys = [],
    options = {},
    readOnly = false,
@@ -90,6 +91,7 @@ export function Form<
    initialOpts?: LibTemplateOptions;
    ignoreKeys?: string[];
    onChange?: (data: Partial<Data>, name: string, value: any, context: FormContext<Data>) => void;
+   beforeSubmit?: (data: Data) => Data;
    onSubmit?: (data: Data) => void | Promise<void>;
    onInvalidSubmit?: (errors: JsonError[], data: Partial<Data>) => void;
    hiddenSubmit?: boolean;
@@ -177,7 +179,8 @@ export function Form<
    });
 
    const validate = useEvent((_data?: Partial<Data>) => {
-      const actual = _data ?? getCurrentState()?.data;
+      const before = beforeSubmit ?? ((a: any) => a);
+      const actual = before((_data as any) ?? getCurrentState()?.data);
       const errors = lib.validate(actual, schema);
       setFormState((prev) => ({ ...prev, errors }));
       return { data: actual, errors };
@@ -378,5 +381,5 @@ export function FormDebug({ force = false }: { force?: boolean }) {
    if (options?.debug !== true && force !== true) return null;
    const ctx = useFormStateSelector((s) => s);
 
-   return <JsonViewer json={ctx} expand={99} />;
+   return <JsonViewer json={ctx} expand={99} showCopy />;
 }