feat: 新增IM即时通讯(浮窗)、工作流、打印模块及工作台增强

- IM: 新增浮窗聊天(ImFloatWindow)、管理页(monitor/config/service/message)、SSE推送
- 工作流: 新增待办/我的流程页面及后端服务
- 打印: 新增打印模板、出库单打印(PrintPage)、模板种子脚本
- 工作台: 增强快捷入口与工作台数据
- 修复: TagsView页签关闭、CrudPage通用表格增强
- 移除导航菜单中的即时通讯入口，改为右下角浮窗

server/scripts/seed-print-template.mjs

@@ -0,0 +1,46 @@
+// Seed script: create the "1/3 A4 out-stock form" print template.
+// Run: node seed-print-template.mjs
+import fs from 'node:fs'
+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url))
+const BASE = process.env.F9_API_BASE || 'http://localhost:5136'
+const PHONE = '13800000000'
+const PASSWORD = '123456'
+
+const tpl = JSON.parse(
+  fs.readFileSync(path.join(__dirname, 'print-template-outstock.json'), 'utf8')
+)
+
+async function main() {
+  const loginRes = await fetch(`${BASE}/api/auth/login`, {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify({ phone: PHONE, password: PASSWORD })
+  })
+  const login = await loginRes.json()
+  if (login.code !== 0) throw new Error(`Login failed: ${login.message}`)
+  const token = login.data.token
+  const headers = { Authorization: `Bearer ${token}`, 'Content-Type': 'application/json' }
+
+  const list = await fetch(`${BASE}/api/print/templates`, { headers }).then((r) => r.json())
+  const dup = (list.items || []).find((i) => i.name === tpl.name)
+  if (dup) {
+    console.log(`Template already exists, skip: ${tpl.name} (id=${dup.id})`)
+    return
+  }
+
+  const res = await fetch(`${BASE}/api/print/templates`, {
+    method: 'POST',
+    headers,
+    body: JSON.stringify({ name: tpl.name, content: JSON.stringify(tpl.content) })
+  })
+  const row = await res.json()
+  console.log(`Template created: id=${row.id} name=${row.name}`)
+}
+
+main().catch((e) => {
+  console.error(e)
+  process.exit(1)
+})