first version

app/Http/Requests/Customer/CustomerLevelFormRequest.php

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+<?php
+
+namespace App\Http\Requests\Customer;
+
+use Illuminate\Validation\Rule;
+use Modules\Common\Http\Requests\BaseFormRequest;
+
+/**
+ * 客户等级 创建/编辑 验证
+ */
+class CustomerLevelFormRequest extends BaseFormRequest
+{
+    protected $stopOnFirstFailure = true;
+
+    public function rules(): array
+    {
+        $unique = Rule::unique('customer_level', 'name');
+        if ($this->isUpdate()) {
+            $unique = $unique->ignore($this->route('id'));
+        }
+
+        return [
+            'name' => ['required', 'string', 'max:50', $unique],
+            'sort' => 'nullable|integer',
+            'status' => 'nullable|integer|in:0,1',
+            'remark' => 'nullable|string|max:255',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'name.required' => '等级名称不能为空',
+            'name.max' => '等级名称最长 50 个字符',
+            'name.unique' => '等级名称已存在',
+            'status.in' => '状态值不正确',
+        ];
+    }
+}

app/Http/Requests/Customer/MiniUserBindRequest.php

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+<?php
+
+namespace App\Http\Requests\Customer;
+
+use Modules\Common\Http\Requests\BaseFormRequest;
+
+/**
+ * 小程序用户绑定 验证（type=1 门店需 store_id，type=2 供应商需 supplier_id）
+ */
+class MiniUserBindRequest extends BaseFormRequest
+{
+    protected $stopOnFirstFailure = true;
+
+    public function rules(): array
+    {
+        return [
+            'type' => 'required|integer|in:1,2',
+            'store_id' => 'required_if:type,1|nullable|integer|min:1',
+            'supplier_id' => 'required_if:type,2|nullable|integer|min:1',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'type.required' => '请选择用户类型',
+            'type.in' => '用户类型只能是门店或供应商',
+            'store_id.required_if' => '绑定门店时必须选择门店',
+            'store_id.min' => '门店ID不正确',
+            'supplier_id.required_if' => '绑定供应商时必须选择供应商',
+            'supplier_id.min' => '供应商ID不正确',
+        ];
+    }
+}

app/Http/Requests/Customer/NoticeFormRequest.php

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+<?php
+
+namespace App\Http\Requests\Customer;
+
+use Modules\Common\Http\Requests\BaseFormRequest;
+
+/**
+ * 通知 创建 验证（user_id 留空 = 全员广播）
+ */
+class NoticeFormRequest extends BaseFormRequest
+{
+    protected $stopOnFirstFailure = true;
+
+    protected function prepareForValidation(): void
+    {
+        $this->merge(['user_id' => (int) ($this->input('user_id') ?? 0)]);
+    }
+
+    public function rules(): array
+    {
+        return [
+            'user_id' => 'required|integer|min:0',
+            'type' => 'required|string|in:order,price,system',
+            'title' => 'required|string|max:100',
+            'content' => 'nullable|string|max:500',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'type.required' => '通知类型不能为空',
+            'type.in' => '通知类型只能是 order/price/system',
+            'title.required' => '通知标题不能为空',
+            'title.max' => '通知标题最长 100 个字符',
+            'content.max' => '通知内容最长 500 个字符',
+        ];
+    }
+}

app/Http/Requests/Customer/StoreFormRequest.php

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+<?php
+
+namespace App\Http\Requests\Customer;
+
+use Illuminate\Validation\Rule;
+use Modules\Common\Http\Requests\BaseFormRequest;
+
+/**
+ * 门店 创建/编辑 验证
+ */
+class StoreFormRequest extends BaseFormRequest
+{
+    protected $stopOnFirstFailure = true;
+
+    public function rules(): array
+    {
+        $unique = Rule::unique('store', 'code');
+        if ($this->isUpdate()) {
+            $unique = $unique->ignore($this->route('id'));
+        }
+
+        return [
+            'name' => 'required|string|max:100',
+            'code' => ['required', 'string', 'max:50', $unique],
+            'level_id' => 'required|integer|exists:customer_level,id',
+            'contact' => 'nullable|string|max:50',
+            'phone' => 'nullable|string|max:20',
+            'address' => 'nullable|string|max:255',
+            'payment_cycle_days' => 'nullable|integer|min:0',
+            'status' => 'nullable|integer|in:0,1',
+            'remark' => 'nullable|string|max:255',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'name.required' => '门店名称不能为空',
+            'name.max' => '门店名称最长 100 个字符',
+            'code.required' => '门店编码不能为空',
+            'code.unique' => '门店编码已存在',
+            'level_id.required' => '请选择客户等级',
+            'level_id.exists' => '客户等级不存在',
+            'payment_cycle_days.integer' => '回款周期必须为整数',
+            'payment_cycle_days.min' => '回款周期不能小于 0',
+            'status.in' => '状态值不正确',
+        ];
+    }
+}

app/Http/Requests/Customer/SupplierFormRequest.php

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+<?php
+
+namespace App\Http\Requests\Customer;
+
+use Modules\Common\Http\Requests\BaseFormRequest;
+
+/**
+ * 供应商 创建/编辑 验证
+ */
+class SupplierFormRequest extends BaseFormRequest
+{
+    protected $stopOnFirstFailure = true;
+
+    public function rules(): array
+    {
+        return [
+            'name' => 'required|string|max:100',
+            'contact' => 'nullable|string|max:50',
+            'phone' => 'nullable|string|max:20',
+            'address' => 'nullable|string|max:255',
+            'main_products' => 'nullable|string|max:255',
+            'status' => 'nullable|integer|in:0,1',
+            'remark' => 'nullable|string|max:255',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'name.required' => '供应商名称不能为空',
+            'name.max' => '供应商名称最长 100 个字符',
+            'status.in' => '状态值不正确',
+        ];
+    }
+}

app/Http/Requests/Mini/MiniOrderRequest.php

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+<?php
+
+namespace App\Http\Requests\Mini;
+
+use Modules\Common\Http\Requests\BaseFormRequest;
+
+/**
+ * 小程序下单 验证（金额一律服务端重算，前端不传金额字段）
+ */
+class MiniOrderRequest extends BaseFormRequest
+{
+    protected $stopOnFirstFailure = true;
+
+    public function rules(): array
+    {
+        return [
+            'items' => 'required|array|min:1',
+            'items.*.product_id' => 'required|integer|exists:product,id',
+            'items.*.quantity' => 'required|numeric|min:0.01',
+            'remark' => 'nullable|string|max:255',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'items.required' => '请至少选择一件商品',
+            'items.min' => '请至少选择一件商品',
+            'items.*.product_id.required' => '下单商品不能为空',
+            'items.*.product_id.exists' => '商品不存在',
+            'items.*.quantity.required' => '订货数量不能为空',
+            'items.*.quantity.numeric' => '订货数量必须为数字',
+            'items.*.quantity.min' => '订货数量必须大于 0',
+            'remark.max' => '订单备注最长 255 个字符',
+        ];
+    }
+}

app/Http/Requests/Product/BatchPriceRequest.php

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+<?php
+
+namespace App\Http\Requests\Product;
+
+use Modules\Common\Http\Requests\BaseFormRequest;
+
+/**
+ * 批量调价 验证（A2 价格矩阵编辑提交）
+ */
+class BatchPriceRequest extends BaseFormRequest
+{
+    protected $stopOnFirstFailure = true;
+
+    public function rules(): array
+    {
+        return [
+            'updates' => 'required|array|min:1',
+            'updates.*.product_id' => 'required|integer|exists:product,id',
+            'updates.*.level_id' => 'required|integer|exists:customer_level,id',
+            'updates.*.price' => 'required|numeric|min:0',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'updates.required' => '请至少提交一条价格调整',
+            'updates.min' => '请至少提交一条价格调整',
+            'updates.*.product_id.required' => '调价行缺少商品',
+            'updates.*.product_id.exists' => '商品不存在',
+            'updates.*.level_id.required' => '调价行缺少客户等级',
+            'updates.*.level_id.exists' => '客户等级不存在',
+            'updates.*.price.required' => '调价行缺少单价',
+            'updates.*.price.numeric' => '单价必须为数字',
+            'updates.*.price.min' => '单价不能小于 0',
+        ];
+    }
+}

app/Http/Requests/Product/ProductCategoryFormRequest.php

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+<?php
+
+namespace App\Http\Requests\Product;
+
+use Modules\Common\Http\Requests\BaseFormRequest;
+
+/**
+ * 商品分类 创建/编辑 验证
+ */
+class ProductCategoryFormRequest extends BaseFormRequest
+{
+    protected $stopOnFirstFailure = true;
+
+    protected function prepareForValidation(): void
+    {
+        $this->merge(['parent_id' => (int) ($this->input('parent_id') ?? 0)]);
+    }
+
+    public function rules(): array
+    {
+        return [
+            'name' => 'required|string|max:50',
+            'parent_id' => 'required|integer|min:0',
+            'sort' => 'nullable|integer',
+            'status' => 'nullable|integer|in:0,1',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'name.required' => '分类名称不能为空',
+            'name.max' => '分类名称最长 50 个字符',
+            'parent_id.min' => '父级分类ID不正确',
+            'status.in' => '状态值不正确',
+        ];
+    }
+}

app/Http/Requests/Product/ProductFormRequest.php

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+<?php
+
+namespace App\Http\Requests\Product;
+
+use Modules\Common\Http\Requests\BaseFormRequest;
+
+/**
+ * 商品档案 创建/编辑 验证（含多等级价格 prices 数组）
+ */
+class ProductFormRequest extends BaseFormRequest
+{
+    protected $stopOnFirstFailure = true;
+
+    public function rules(): array
+    {
+        return [
+            'name' => 'required|string|max:100',
+            'spec' => 'nullable|string|max:100',
+            'grade' => 'nullable|string|max:50',
+            'unit' => 'nullable|string|max:20',
+            'category_id' => 'required|integer|exists:product_category,id',
+            'supplier_id' => 'nullable|integer|exclude_if:supplier_id,0|exists:supplier,id',
+            'image' => 'nullable|string|max:255',
+            'sort' => 'nullable|integer',
+            'status' => 'nullable|integer|in:0,1',
+            'remark' => 'nullable|string|max:255',
+            'prices' => 'nullable|array',
+            'prices.*.level_id' => 'required|integer|exists:customer_level,id',
+            'prices.*.price' => 'required|numeric|min:0',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'name.required' => '商品名称不能为空',
+            'name.max' => '商品名称最长 100 个字符',
+            'category_id.required' => '请选择商品分类',
+            'category_id.exists' => '商品分类不存在',
+            'supplier_id.exists' => '供应商不存在',
+            'status.in' => '状态值不正确',
+            'prices.*.level_id.required' => '价格行缺少客户等级',
+            'prices.*.level_id.exists' => '客户等级不存在',
+            'prices.*.price.required' => '价格行缺少单价',
+            'prices.*.price.numeric' => '单价必须为数字',
+            'prices.*.price.min' => '单价不能小于 0',
+        ];
+    }
+}

app/Http/Requests/Purchase/PurchaseItemUpdateRequest.php

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+<?php
+
+namespace App\Http\Requests\Purchase;
+
+use Modules\Common\Http\Requests\BaseFormRequest;
+
+/**
+ * 采购明细修改 验证（C4；amount 由后端按 weight>0 ? weight×price : quantity×price 重算）
+ */
+class PurchaseItemUpdateRequest extends BaseFormRequest
+{
+    protected $stopOnFirstFailure = true;
+
+    public function rules(): array
+    {
+        return [
+            'product_name' => 'nullable|string|max:100',
+            'product_spec' => 'nullable|string|max:100',
+            'price' => 'required|numeric|min:0',
+            'quantity' => 'required|numeric|min:0',
+            'weight' => 'nullable|numeric|min:0',
+            'remark' => 'nullable|string|max:255',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'price.required' => '采购单价不能为空',
+            'price.numeric' => '采购单价必须为数字',
+            'price.min' => '采购单价不能小于 0',
+            'quantity.required' => '采购量不能为空',
+            'quantity.numeric' => '采购量必须为数字',
+            'quantity.min' => '采购量不能小于 0',
+            'weight.numeric' => '实际称重必须为数字',
+            'weight.min' => '实际称重不能小于 0',
+        ];
+    }
+}

app/Http/Requests/Recon/ReconItemUpdateRequest.php

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+<?php
+
+namespace App\Http\Requests\Recon;
+
+use Modules\Common\Http\Requests\BaseFormRequest;
+
+/**
+ * 对账明细修改 验证（D4：订货量/称重/数量/金额/商品信息；diff 与头汇总由后端重算）
+ */
+class ReconItemUpdateRequest extends BaseFormRequest
+{
+    protected $stopOnFirstFailure = true;
+
+    public function rules(): array
+    {
+        return [
+            'product_name' => 'nullable|string|max:100',
+            'quantity' => 'nullable|numeric|min:0',
+            'weight' => 'nullable|numeric|min:0',
+            'publish_amount' => 'nullable|numeric|min:0',
+            'actual_amount' => 'nullable|numeric|min:0',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'quantity.numeric' => '订货量必须为数字',
+            'quantity.min' => '订货量不能小于 0',
+            'weight.numeric' => '称重必须为数字',
+            'weight.min' => '称重不能小于 0',
+            'publish_amount.numeric' => '公布金额必须为数字',
+            'publish_amount.min' => '公布金额不能小于 0',
+            'actual_amount.numeric' => '实际金额必须为数字',
+            'actual_amount.min' => '实际金额不能小于 0',
+        ];
+    }
+}

app/Http/Requests/Recon/ReconciliationFormRequest.php

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+<?php
+
+namespace App\Http\Requests\Recon;
+
+use Modules\Common\Http\Requests\BaseFormRequest;
+
+/**
+ * 财务对账单 创建/编辑 验证
+ */
+class ReconciliationFormRequest extends BaseFormRequest
+{
+    protected $stopOnFirstFailure = true;
+
+    protected function prepareForValidation(): void
+    {
+        $this->merge([
+            'category_id' => (int) ($this->input('category_id') ?? 0),
+            'supplier_id' => (int) ($this->input('supplier_id') ?? 0),
+        ]);
+    }
+
+    public function rules(): array
+    {
+        return [
+            'title' => 'required|string|max:100',
+            'period_start' => 'required|date_format:Y-m-d',
+            'period_end' => 'required|date_format:Y-m-d|after_or_equal:period_start',
+            'category_id' => 'required|integer|min:0',
+            'supplier_id' => 'required|integer|min:0',
+            'remark' => 'nullable|string|max:255',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'title.required' => '对账标题不能为空',
+            'title.max' => '对账标题最长 100 个字符',
+            'period_start.required' => '请选择对账周期开始日期',
+            'period_start.date_format' => '开始日期格式为 Y-m-d',
+            'period_end.required' => '请选择对账周期结束日期',
+            'period_end.date_format' => '结束日期格式为 Y-m-d',
+            'period_end.after_or_equal' => '结束日期不能早于开始日期',
+        ];
+    }
+}