refactor: 清理MES端本地product_type冗余代码，对齐WMS主数据架构

1.  移除MES端本地product_type实体、schema及相关CRUD代码，改为通过WMS内部API代理获取物料主数据
2.  更新物料管理粒度逻辑，新增"其他"类型(3)支持，同步更新入库校验规则
3.  修复前端物料选择、库存筛选等页面的类型判断逻辑，统一使用manage_mode区分管理类型
4.  清理静态资源文件冗余的样式代码，调整前端页面展示逻辑
5.  更新帮助文档，修正物料类型的说明描述

bj_power_mes/internal/wmsclient/client.go

@@ -1,4 +1,4 @@
-package wmsclient
+package wmsclient
 
 import (
 	"bytes"
@@ -6,8 +6,10 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"io"
 	"net/http"
 	"net/url"
+	"strconv"
 	"time"
 )
 
@@ -630,3 +632,80 @@ type RespError struct {
 func (e *RespError) Error() string {
 	return "wms call failed with status " + string(rune('0'+e.Status))
 }
+
+// MaterialRow WMS 物料档案行（代理 WMS materials 表）
+type MaterialRow struct {
+	ID           int    `json:"id"`
+	Code         string `json:"code"`
+	Name         string `json:"name"`
+	Spec         string `json:"spec"`
+	Unit         string `json:"unit"`
+	Description  string `json:"description"`
+	ItemType     int    `json:"itemType"`
+	ManageMode   int    `json:"manageMode"`
+	TemplateCode string `json:"templateCode"`
+	SafetyStock  int    `json:"safetyStock"`
+	IsActive     bool   `json:"isActive"`
+	CreatedAt    int64  `json:"createdAt"`
+	UpdatedAt    int64  `json:"updatedAt"`
+}
+
+// MaterialPage 分页查询 WMS 物料（GET /api/internal/materials）
+func (c *Client) MaterialPage(ctx context.Context, code, name, spec string, itemType, manageMode, page, pageSize int) (int64, []MaterialRow, error) {
+	q := "/api/internal/materials?page=" + strconv.Itoa(page) + "&pageSize=" + strconv.Itoa(pageSize)
+	if code != "" {
+		q += "&materialCode=" + url.QueryEscape(code)
+	}
+	if name != "" {
+		q += "&name=" + url.QueryEscape(name)
+	}
+	if spec != "" {
+		q += "&spec=" + url.QueryEscape(spec)
+	}
+	if itemType > 0 {
+		q += "&itemType=" + strconv.Itoa(itemType)
+	}
+	if manageMode > 0 {
+		q += "&manageMode=" + strconv.Itoa(manageMode)
+	}
+	var out struct {
+		Total int64         `json:"total"`
+		List  []MaterialRow `json:"list"`
+	}
+	if err := c.get(ctx, q, &out); err != nil {
+		return 0, nil, err
+	}
+	return out.Total, out.List, nil
+}
+
+// CreateMaterial 调 WMS 创建物料（POST /api/internal/materials）
+func (c *Client) CreateMaterial(ctx context.Context, code, name, spec, unit, description string, itemType, manageMode, safetyStock int, templateCode string) error {
+	return c.post(ctx, "/api/internal/materials", map[string]any{
+		"code": code, "name": name, "spec": spec, "unit": unit, "description": description,
+		"itemType": itemType, "manageMode": manageMode, "templateCode": templateCode, "safetyStock": safetyStock,
+	})
+}
+
+// UpdateMaterial 调 WMS 更新物料（PUT /api/internal/materials）
+func (c *Client) UpdateMaterial(ctx context.Context, id int, name, spec, unit, description string, itemType, manageMode, safetyStock int, templateCode string) error {
+	b, _ := json.Marshal(map[string]any{
+		"id": id, "name": name, "spec": spec, "unit": unit, "description": description,
+		"itemType": itemType, "manageMode": manageMode, "templateCode": templateCode, "safetyStock": safetyStock,
+	})
+	req, err := http.NewRequestWithContext(ctx, http.MethodPut, c.baseURL+"/api/internal/materials", bytes.NewReader(b))
+	if err != nil {
+		return err
+	}
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("X-API-TOKEN", c.token)
+	resp, err := c.hc.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode >= 400 {
+		body, _ := io.ReadAll(resp.Body)
+		return fmt.Errorf("WMS PUT /api/internal/materials %d: %s", resp.StatusCode, string(body))
+	}
+	return nil
+}