WIP: Large refactor checkpoint

- Refactored daemon client and RPC layer
- Added new client package structure in server
- Removed legacy hooks (use-daemon-request, use-session-rpc, use-websocket)
- Added use-daemon-client hook
- Added e2e test infrastructure with Playwright
- Updated agent providers and session handling
- Removed codex-sdk patches

packages/app/e2e/helpers/workspace.ts

@@ -0,0 +1,23 @@
+import { execSync } from 'node:child_process';
+import { mkdtemp, writeFile, rm } from 'node:fs/promises';
+import { tmpdir } from 'node:os';
+import path from 'node:path';
+
+type TempRepo = {
+  path: string;
+  cleanup: () => Promise<void>;
+};
+
+export const createTempGitRepo = async (prefix = 'paseo-e2e-'): Promise<TempRepo> => {
+  const repoPath = await mkdtemp(path.join(tmpdir(), prefix));
+
+  execSync('git init', { cwd: repoPath, stdio: 'ignore' });
+  await writeFile(path.join(repoPath, 'README.md'), '# Temp Repo\n');
+
+  return {
+    path: repoPath,
+    cleanup: async () => {
+      await rm(repoPath, { recursive: true, force: true });
+    },
+  };
+};