feat: 初始化高校人事请假考勤技能 (process-leave-attendance-default)

基于 skill-template 脚手架开发，包含：
- 5 张业务表（教职工、请假政策、考勤日历、请假记录、假期余额）
- 请假核算引擎（扣薪计算、审批层级判定、年假抵扣）
- CLI 入口（import-employees / calculate-leave / render-html）
- HTML 审批与扣薪报告生成
- 示例数据与完整测试套件（295 tests passed）

examples/simulator_browser_rpa/scripts/util/constants.py

@@ -0,0 +1,52 @@
+"""仿真浏览器 RPA 示例常量。"""
+
+from __future__ import annotations
+
+import os
+from pathlib import Path
+
+from jiangchang_skill_core import config
+
+SKILL_SLUG = "example-simulator-browser-rpa"
+LOG_LOGGER_NAME = "openclaw.skill.example_simulator_browser_rpa"
+
+TARGET_PLATFORM = "sim_batch"
+LEASE_HOLDER = "example-simulator-browser-rpa"
+LEASE_TTL_SEC = "1800"
+
+DEFAULT_TIMEOUT_MS = 15_000
+LOGIN_NAVIGATE_TIMEOUT_MS = 30_000
+SUBMIT_NAVIGATE_TIMEOUT_MS = 60_000
+DEFAULT_PORTAL_LOGIN_WAIT_SEC = 120
+
+DEFAULT_DEMO_LOGIN_ID = "demo001"
+DEFAULT_DEMO_PASSWORD = "demo-password"
+DEFAULT_DEMO_CAPTCHA = "0000"
+DEFAULT_DEMO_TOKEN_PIN = "123456"
+
+ENV_SIMULATOR_BASE_URL = "SIMULATOR_BASE_URL"
+ENV_SIMULATOR_PASSWORD = "SIMULATOR_PASSWORD"
+ENV_SIMULATOR_TOKEN_PIN = "SIMULATOR_TOKEN_PIN"
+ENV_PORTAL_LOGIN_WAIT_SEC = "PORTAL_LOGIN_WAIT_SEC"
+
+_EXAMPLE_ROOT = Path(__file__).resolve().parents[2]
+DEFAULT_DEMO_APP_PATH = _EXAMPLE_ROOT / "sandbox" / "demo_app.html"
+
+
+def portal_login_wait_sec() -> int:
+    raw = (
+        os.getenv(ENV_PORTAL_LOGIN_WAIT_SEC)
+        or config.get(ENV_PORTAL_LOGIN_WAIT_SEC)
+        or str(DEFAULT_PORTAL_LOGIN_WAIT_SEC)
+    )
+    try:
+        return max(1, int(str(raw).strip()))
+    except (TypeError, ValueError):
+        return DEFAULT_PORTAL_LOGIN_WAIT_SEC
+
+
+def resolve_simulator_base_url() -> str:
+    env = (os.getenv(ENV_SIMULATOR_BASE_URL) or "").strip()
+    if env:
+        return env.rstrip("/")
+    return DEFAULT_DEMO_APP_PATH.as_uri()