Fix preset publication, volatile settings and client form binding

tests/connection-race.test.mjs

@@ -0,0 +1,61 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+import {
+  getNetxConnection,
+  publishNetxConnection,
+  watchNetxConnection,
+} from '../src/netx/runtime.ts'
+import { DEFAULT_CAPABILITY_GROUPS } from '../src/netx/capability-groups.ts'
+
+function clearConnection() {
+  publishNetxConnection({
+    apiUrl: '',
+    token: '',
+    lang: 'zh',
+    toolCallTimeoutMs: 1000,
+    groups: DEFAULT_CAPABILITY_GROUPS,
+    groupKbInPreset: false,
+    groupKbPublic: false,
+  })
+  // runtime has no reset — overwrite with a sentinel then ignore
+}
+
+test('watch-then-remount does not miss an in-flight publish', () => {
+  let mounts = 0
+  const remount = () => {
+    if (getNetxConnection()?.apiUrl) mounts += 1
+  }
+
+  // Bad order (pre-0.1.58): remount → publish → watch → miss
+  mounts = 0
+  remount()
+  publishNetxConnection({
+    apiUrl: 'http://127.0.0.1:8890',
+    token: 't',
+    lang: 'zh',
+    toolCallTimeoutMs: 1000,
+    groups: DEFAULT_CAPABILITY_GROUPS,
+    groupKbInPreset: true,
+    groupKbPublic: false,
+  })
+  const stopBad = watchNetxConnection(remount)
+  assert.equal(mounts, 0, 'bad order misses the publish')
+  stopBad()
+
+  // Good order: watch → publish → remount (and watch also fires)
+  mounts = 0
+  clearConnection()
+  const stopGood = watchNetxConnection(remount)
+  publishNetxConnection({
+    apiUrl: 'http://127.0.0.1:8890',
+    token: 't',
+    lang: 'zh',
+    toolCallTimeoutMs: 1000,
+    groups: DEFAULT_CAPABILITY_GROUPS,
+    groupKbInPreset: true,
+    groupKbPublic: false,
+  })
+  remount()
+  assert.ok(mounts >= 1, 'good order sees connection')
+  stopGood()
+})