feat(settings): configure Jev evaluation and model transitions

apps/desktop/electron/main.ts

@@ -378,6 +378,7 @@ import { ensureLoginShellPath } from './shell-path'
 import { createBootstrapCoordinator, sshConfigFingerprint } from './ssh-bootstrap-coordinator'
 import { collectSshConfigHosts, parseSshGOutput } from './ssh-config'
 import { createSshProbeConnection, pickLocalPort, redactSecrets, SshConnection } from './ssh-connection'
+import { createStagedTransitionStore } from './staged-transition'
 import { createStreamThrottle } from './stream-throttle'
 import { registerTerminalIpc } from './terminal-ipc'
 import { nativeOverlayWidth as computeNativeOverlayWidth, macTitleBarOverlayHeight } from './titlebar-overlay-width'
@@ -17192,6 +17193,21 @@ ipcMain.handle('hermes:quick-entry:settings:set', async (_event, patch) => {
 // resulting state and asks for changes over IPC. Windows only (the login item is
 // a Run-key value). All decisions live in electron/codex-link.ts.
 const AITURK_IDE_DATA_ROOT = path.dirname(HERMES_HOME)
+const stagedTransition = createStagedTransitionStore(
+  path.join(AITURK_IDE_DATA_ROOT, 'codex-bridge'),
+  path.join(app.getPath('home'), '.typesafe', 'typesafe.env'),
+  value =>
+    execFileSync(
+      'powershell.exe',
+      [
+        '-NoProfile',
+        '-NonInteractive',
+        '-Command',
+        'Add-Type -AssemblyName System.Security; $bytes=[Text.Encoding]::UTF8.GetBytes([Console]::In.ReadToEnd()); [Console]::Out.Write([Convert]::ToBase64String([Security.Cryptography.ProtectedData]::Protect($bytes,$null,[Security.Cryptography.DataProtectionScope]::CurrentUser)))'
+      ],
+      { input: value, encoding: 'utf8', windowsHide: true, timeout: 15000 }
+    ).trim()
+)
 
 const codexLink = createCodexLink(
   createNodeCodexLinkDeps(
@@ -17243,6 +17259,34 @@ ipcMain.handle('aiturk:codex-link:get', async event => {
   return codexLink.getStatus()
 })
 
+async function stagedTransitionState() {
+  const state = stagedTransition.get()
+  try {
+    const response = await fetch('http://127.0.0.1:8795/aiturk/codex-baglama/status', {
+      signal: AbortSignal.timeout(5000)
+    })
+    if (!response.ok) throw new Error('Bridge unavailable')
+    const body = await response.json()
+    const models = Array.isArray(body.jev_models)
+      ? body.jev_models.filter(m => typeof m?.id === 'string' && typeof m?.name === 'string')
+      : []
+    return { ...state, models, modelsAvailable: Array.isArray(body.jev_models) }
+  } catch {
+    return { ...state, models: [], modelsAvailable: false }
+  }
+}
+
+ipcMain.handle('aiturk:staged-transition:get', async event => {
+  assertCodexLinkSender(event)
+  return stagedTransitionState()
+})
+
+ipcMain.handle('aiturk:staged-transition:set', async (event, patch) => {
+  assertCodexLinkSender(event)
+  stagedTransition.save(patch)
+  return stagedTransitionState()
+})
+
 ipcMain.handle('aiturk:codex-link:set', async (event, patch) => {
   assertCodexLinkSender(event)