feat: refresh dashboard settings UX and Codex feature toggles (#153)

* feat: refresh dashboard settings UX and Codex feature toggles

Improve settings/tasks mobile layout, model effort validation by agent type, and preset models for GPT 5.5 and Opus 4.7. Store Codex fast mode and goals in config.toml with Claude fastMode session sync and updated docs for Codex 0.133.

Co-authored-by: Cursor <cursoragent@cursor.com>

* style: apply pre-commit formatting after dashboard settings commit

Co-authored-by: Cursor <cursoragent@cursor.com>

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Co-authored-by: Cursor <cursoragent@cursor.com>

src/claude-session-settings.test.ts

@@ -0,0 +1,39 @@
+import fs from 'node:fs';
+import os from 'node:os';
+import path from 'node:path';
+
+import { afterEach, beforeEach, describe, expect, it } from 'vitest';
+
+import { ensureClaudeSessionSettings } from './claude-session-settings.js';
+
+describe('claude-session-settings', () => {
+  let tempDir: string;
+  let hostSettingsPath: string;
+
+  beforeEach(() => {
+    tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'ejclaw-claude-settings-'));
+    hostSettingsPath = path.join(tempDir, 'host-settings.json');
+    process.env.EJCLAW_CLAUDE_SETTINGS_PATH = hostSettingsPath;
+  });
+
+  afterEach(() => {
+    delete process.env.EJCLAW_CLAUDE_SETTINGS_PATH;
+    fs.rmSync(tempDir, { recursive: true, force: true });
+  });
+
+  it('syncs host fastMode into the Claude session settings file', () => {
+    fs.writeFileSync(
+      hostSettingsPath,
+      `${JSON.stringify({ fastMode: true }, null, 2)}\n`,
+    );
+
+    const sessionDir = path.join(tempDir, 'session');
+    ensureClaudeSessionSettings(sessionDir);
+
+    const session = JSON.parse(
+      fs.readFileSync(path.join(sessionDir, 'settings.json'), 'utf-8'),
+    ) as { fastMode?: boolean; env?: Record<string, string> };
+    expect(session.fastMode).toBe(true);
+    expect(session.env?.CLAUDE_CODE_EXPERIMENTAL_AGENT_TEAMS).toBe('1');
+  });
+});