feat(collect): support batch add in NE picker

Allow selecting multiple eligible NEs and adding them into the selected list in one action, while keeping single-item add for precise control.

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/i18n/en.ts

@@ -56,6 +56,7 @@ const en = {
       filterKeyword: "Filter",
       filterKeywordPh: "Name / IP / vendor / device type",
       add: "Add",
+      addBatch: "Add selected ({{count}})",
       added: "Added",
       create: "Create job",
       creating: "Creating…",

web/src/i18n/zh.ts

@@ -56,6 +56,7 @@ const zh = {
       filterKeyword: "筛选",
       filterKeywordPh: "名称 / IP / 厂商 / 设备类型",
       add: "添加",
+      addBatch: "批量添加（{{count}}）",
       added: "已添加",
       create: "创建任务",
       creating: "创建中…",