refactor(@vben-core/form-ui): migrate to Zod 4 and TanStack Form (#8176)

* build(@vben-core/form-ui): update form validation dependencies

* refactor(@vben-core/form-ui): replace vee-validate with TanStack Form

* test(@vben-core/form-ui): cover TanStack Form migration

* docs(@vben/docs): document Zod 4 form migration

* refactor(project): update form adapters

* refactor(project): migrate application form consumers

* refactor(@vben/playground): migrate form examples

* docs(@vben/docs): fix validate return type and required rule empty check in form docs

* fix(@vben-core/form-ui): resolve oxlint and eslint errors

- rewrite nested ternary expressions as if/else in form-field-array.vue and form-runtime.ts
- sort @tanstack/vue-form before @vben-core/composables in package.json

* chore: fix merge artifacts and formatting

- move dependencies before devDependencies in root package.json
- update preferences snapshot for widget positioning fields
- format form-array demo README

* refactor(@vben-core/form-ui): optimize form runtime and value flow

- add fine-grained field selectors and atomic dependency resolution
- expose raw and formatted value snapshots with focused regression coverage

* fix(@vben/layouts): dispose sortable instance on unmount

* docs(@vben/docs): document form runtime API changes

- list added, changed, removed, and deprecated form APIs
- document atomic dependencies and raw versus formatted values

pnpm-workspace.yaml

@@ -62,6 +62,7 @@ catalog:
   '@stylistic/stylelint-plugin': ^5.2.1
   '@tailwindcss/typography': ^0.5.20
   '@tailwindcss/vite': ^4.3.3
+  '@tanstack/vue-form': ^1.33.2
   '@tanstack/vue-query': ^5.101.2
   '@tanstack/vue-store': ^0.11.0
   '@tiptap/core': ^3.28.0
@@ -88,7 +89,6 @@ catalog:
   '@types/qs': ^6.15.1
   '@types/sortablejs': ^1.15.9
   '@typescript-eslint/parser': ^8.64.0
-  '@vee-validate/zod': ^4.15.1
   '@vite-pwa/vitepress': ^1.1.0
   '@vitejs/plugin-vue': ^6.0.8
   '@vitejs/plugin-vue-jsx': ^5.1.6
@@ -189,7 +189,6 @@ catalog:
   unplugin-dts: ^1.0.3
   unplugin-element-plus: ^0.11.2
   unplugin-vue: ^7.2.0
-  vee-validate: ^4.15.1
   vite: ^8.1.5
   vite-plugin-compression: ^0.5.1
   vite-plugin-lazy-import: ^1.0.7
@@ -209,8 +208,8 @@ catalog:
   vxe-table: ^4.20.5
   watermark-js-plus: ^1.6.6
   yaml-eslint-parser: ^2.1.0
-  zod: ^3.25.76
-  zod-defaults: 0.1.3
+  zod: ^4.4.3
+  zod-defaults: ^0.2.3
 
 allowBuilds:
   '@parcel/watcher': true