Integrate complete 1.9.0 desktop changes and Windows session recovery

Include cloud settings, panel sizing, command groups, Agent integration settings and runtime input fixes from main. Bind native Codex recovery to the live pane process and preserve verified IDs; add CMD recovery choices and an explicit exit path when identity discovery fails.

scripts/tests/pi-notification-bridge.test.mjs

@@ -27,7 +27,7 @@ async function bridge() {
     loadPiModule: async () => ({ VERSION: "0.85.1" }),
     spawn: (_exe, args) => {
       sent.push(JSON.parse(args[1]));
-      return { unref() {} };
+      return { on() {}, unref() {} };
     },
   });
   return {

scripts/tests/test_pi_bridge.mjs

@@ -5,6 +5,7 @@ import { join } from 'node:path';
 import { stripTypeScriptTypes } from 'node:module';
 import { fileURLToPath, pathToFileURL } from 'node:url';
 import { test, after } from 'node:test';
+import { spawnSync } from 'node:child_process';
 
 const root = new URL('../../', import.meta.url);
 const bridgeSource = new URL('nebula_app/src/ai_hook/bridges.rs', root);
@@ -14,7 +15,7 @@ const embedded = readFileSync(new URL(bridgePath, bridgeSource), 'utf8');
 const events = [];
 globalThis.__pebrelBridgeSpawn = (_hook, args) => {
   events.push(JSON.parse(args[1]));
-  return { unref() {} };
+  return { on() {}, unref() {} };
 };
 globalThis.__pebrelPiVersion = '0.85.1';
 globalThis.__pebrelLoadPiModule = async () => ({ VERSION: globalThis.__pebrelPiVersion });
@@ -29,6 +30,25 @@ const bridge = await import('data:text/javascript;base64,' + Buffer.from(executa
 mkdirSync(new URL('tmp/', root), { recursive: true });
 const directory = mkdtempSync(fileURLToPath(new URL('tmp/pi-bridge-', root)));
 after(() => rmSync(directory, { recursive: true }));
+
+test('a missing helper fails silently without terminating the agent process', () => {
+  const asset = join(directory, 'missing-helper-bridge.mjs');
+  writeFileSync(asset, stripTypeScriptTypes(embedded));
+  const child = spawnSync(process.execPath, ['--input-type=module', '-e', `
+    const bridge = await import(${JSON.stringify(pathToFileURL(asset).href)});
+    const callbacks = new Map();
+    await bridge.default({ on: (event, callback) => callbacks.set(event, callback) });
+    await callbacks.get('agent_start')({}, {});
+    await new Promise(resolve => setTimeout(resolve, 20));
+    console.log('agent-alive');
+  `], {
+    encoding: 'utf8', windowsHide: true,
+    env: { ...process.env, PEBREL_HOOK_EXE: join(directory, 'missing-helper.exe') },
+  });
+  assert.equal(child.status, 0, child.stderr);
+  assert.match(child.stdout, /agent-alive/);
+  assert.doesNotMatch(child.stderr, /Unhandled|ENOENT/);
+});
 const context = (id, file) => ({
   sessionManager: { getSessionId: () => id, getSessionFile: () => file },
 });