Stabilize paired-room orchestration and Codex app-server flow

src/platform-prompts.test.ts

@@ -0,0 +1,58 @@
+import fs from 'fs';
+import os from 'os';
+import path from 'path';
+
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+
+import {
+  getPairedRoomPromptPath,
+  getPlatformPromptPath,
+  readPairedRoomPrompt,
+  readPlatformPrompt,
+} from './platform-prompts.js';
+
+describe('platform-prompts', () => {
+  let tempDir: string;
+
+  beforeEach(() => {
+    tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'nanoclaw-prompts-'));
+    vi.spyOn(process, 'cwd').mockReturnValue(tempDir);
+  });
+
+  afterEach(() => {
+    vi.restoreAllMocks();
+    fs.rmSync(tempDir, { recursive: true, force: true });
+  });
+
+  it('returns undefined when the prompt file is missing', () => {
+    expect(readPlatformPrompt('claude-code')).toBeUndefined();
+  });
+
+  it('reads and trims provider-specific prompt files', () => {
+    const promptsDir = path.join(tempDir, 'prompts');
+    fs.mkdirSync(promptsDir, { recursive: true });
+    fs.writeFileSync(
+      path.join(promptsDir, 'codex-platform.md'),
+      '\nCodex platform prompt\n',
+    );
+
+    expect(getPlatformPromptPath('codex')).toBe(
+      path.join(promptsDir, 'codex-platform.md'),
+    );
+    expect(readPlatformPrompt('codex')).toBe('Codex platform prompt');
+  });
+
+  it('reads and trims paired-room prompt files', () => {
+    const promptsDir = path.join(tempDir, 'prompts');
+    fs.mkdirSync(promptsDir, { recursive: true });
+    fs.writeFileSync(
+      path.join(promptsDir, 'claude-paired-room.md'),
+      '\nClaude paired prompt\n',
+    );
+
+    expect(getPairedRoomPromptPath('claude-code')).toBe(
+      path.join(promptsDir, 'claude-paired-room.md'),
+    );
+    expect(readPairedRoomPrompt('claude-code')).toBe('Claude paired prompt');
+  });
+});