重构: base 包资源核心类型迁移到 req/resx,新增 res_watcher/res_api_param

base/resource.go、resource_hooks.go、resource_test.go、query_field.go 删除,ResField 等具体实现搬到 req/resx(见 res_field.go 里的类型别名)。res_listener.go 替换成 res_watcher.go,对应资源变更监听概念改名。新增 res_api_param.go 及配套测试(ResApi 参数建模,给 MCP tool 的 JSON Schema 生成用)。

base/res_field_test.go

@@ -5,6 +5,7 @@ import (
 
 	"git.fsdpf.net/go/db/schema"
 	"git.fsdpf.net/go/req"
+	"git.fsdpf.net/go/req/resx"
 
 	_ "git.fsdpf.net/go/db/schema/dialect/mysql"
 	_ "git.fsdpf.net/go/db/schema/dialect/sqlite3"
@@ -14,16 +15,7 @@ func TestResFieldToBlueprint(t *testing.T) {
 	t.Run("id", func(t *testing.T) {
 		table := schema.NewBlueprint("users")
 
-		id := ResField{
-			Uuid:         "00000000-0000-0000-0000-000000000000",
-			Name:         "ID",
-			Code:         "id",
-			CodeResource: "User",
-			DataType:     req.ResInteger,
-			Length:       "20",
-			Comment:      "",
-			Default:      "sql:AUTO_INCREMENT",
-		}
+		id := resx.NewResField("id", "User", resx.FieldWithUuid("00000000-0000-0000-0000-000000000000"), resx.FieldWithName("ID"), resx.FieldWithLength("20"), resx.FieldWithDefault("sql:AUTO_INCREMENT"), resx.FieldWithDataType(req.ResInteger))
 
 		id.ToBlueprint(table)
 	})