feat: 多语言任务、WebUI 增强与 Agent MCP 集成

重构 lib 为扁平模块并支持 Windows schtasks；新增 JS/Bash/PowerShell 模板、WebUI 调度编辑，以及 Cursor Skill 与 MCP 工具供 Agent 管理定时任务。

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

lib/notify.py

@@ -0,0 +1,183 @@
+"""
+飞书 / Lark Markdown 通知 + 任务结果汇总。
+内置 lark-notice-api 与 mengya-mail-api，无需外部 subprocess。
+"""
+
+from __future__ import annotations
+
+import os
+import sys
+from dataclasses import dataclass, field
+from datetime import datetime
+from pathlib import Path
+from typing import TYPE_CHECKING, Callable
+
+if TYPE_CHECKING:
+    from runner import TaskContext
+
+CRON_FEISHU_WEBHOOK_DEFAULT = (
+    "https://open.feishu.cn/open-apis/bot/v2/hook/1b13f977-f848-4a42-8e43-1b16ad592a34"
+)
+
+_VENDOR_ROOT = Path(__file__).resolve().parent / "vendor"
+_LARK_SRC = _VENDOR_ROOT / "lark-notice-api" / "src"
+_MAIL_SRC = _VENDOR_ROOT / "mengya-mail-api" / "src"
+_MAIL_ENV_DEFAULT = _VENDOR_ROOT / "mengya-mail-api" / ".env"
+
+
+def _ensure_vendor_imports() -> None:
+    for src in (_LARK_SRC, _MAIL_SRC):
+        text = str(src)
+        if src.is_dir() and text not in sys.path:
+            sys.path.insert(0, text)
+
+
+@dataclass
+class TaskResult:
+    """任务执行结果，汇总 ok / skip / fail 三类条目。"""
+
+    ok: list[str] = field(default_factory=list)
+    skip: list[str] = field(default_factory=list)
+    fail: list[str] = field(default_factory=list)
+
+    def add_ok(self, item: str) -> None:
+        self.ok.append(item)
+
+    def add_skip(self, item: str) -> None:
+        self.skip.append(item)
+
+    def add_fail(self, item: str) -> None:
+        self.fail.append(item)
+
+    @property
+    def success(self) -> bool:
+        return not self.fail
+
+    @property
+    def status_cn(self) -> str:
+        return "成功" if self.success else "失败"
+
+    @property
+    def total(self) -> int:
+        return len(self.ok) + len(self.skip) + len(self.fail)
+
+
+def markdown_list(items: list[str]) -> str:
+    """将多行条目格式化为 Markdown 列表。"""
+    if not items:
+        return "- 无"
+    return "\n".join(f"- {x}" for x in items if x)
+
+
+def markdown_fields(items: list[tuple[str, object]]) -> str:
+    """将键值对格式化为更简洁的 Markdown 列表。"""
+    if not items:
+        return "- 无"
+    lines: list[str] = []
+    for key, value in items:
+        text = "-" if value is None or value == "" else str(value)
+        lines.append(f"- **{key}**：{text}")
+    return "\n".join(lines)
+
+
+def send_task_summary(
+    ctx: "TaskContext",
+    result: TaskResult,
+    start_time: str,
+    *,
+    log: Callable[[str], None],
+    extra_fields: list[tuple[str, object]] | None = None,
+) -> None:
+    """发送标准任务汇总通知（飞书 + 邮件降级）。"""
+    from runner import task_output_prefix
+
+    end_time = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+    subject = f"{task_output_prefix(ctx.task_id)} {result.status_cn} {end_time}"
+
+    fields: list[tuple[str, object]] = [
+        ("任务", ctx.task_id),
+        ("开始", start_time),
+        ("结束", end_time),
+    ]
+    if extra_fields:
+        fields.extend(extra_fields)
+    fields.extend([
+        ("总数", result.total),
+        ("成功", len(result.ok)),
+        ("跳过", len(result.skip)),
+        ("失败", len(result.fail)),
+    ])
+
+    md = "\n".join([
+        markdown_fields(fields),
+        "", "**成功列表**", markdown_list(result.ok),
+        "", "**跳过列表**", markdown_list(result.skip),
+        "", "**失败列表**", markdown_list(result.fail),
+    ])
+    send_feishu_markdown(subject, md, log=log)
+
+
+def send_feishu_markdown(
+    title: str,
+    markdown: str,
+    *,
+    log: Callable[[str], None],
+) -> None:
+    """发送飞书 Markdown（失败时自动降级为邮件通知）。"""
+    if not title or not markdown:
+        log("飞书通知内容为空，跳过。")
+        return
+
+    webhook = os.environ.get("LARK_NOTICE_WEBHOOK", CRON_FEISHU_WEBHOOK_DEFAULT)
+    if not webhook:
+        log("未配置飞书 webhook，跳过飞书通知。")
+        return
+
+    _ensure_vendor_imports()
+    from lark_notice_api.client import LarkNoticeError, LarkWebhookClient
+
+    try:
+        LarkWebhookClient(webhook).send_markdown(title, markdown)
+        return
+    except LarkNoticeError as exc:
+        log(f"发送飞书通知失败：{exc}")
+    except ImportError:
+        log("发送飞书通知失败：内置 lark-notice-api 不可用。")
+
+    log("飞书通知失败，尝试通过邮件发送…")
+    _send_mail_fallback(title, markdown, log)
+
+
+def _send_mail_fallback(title: str, markdown: str, log: Callable[[str], None]) -> None:
+    """通过内置 mengya-mail-api 发送邮件（失败仅记日志）。"""
+    enabled = os.environ.get("CRON_MAIL_ENABLED", "0")
+    if enabled != "1":
+        log("邮件通知未开启（export CRON_MAIL_ENABLED=1 可启用），跳过。")
+        return
+
+    env_file = os.environ.get("MAIL_API_ENV_FILE", str(_MAIL_ENV_DEFAULT))
+    if env_file and os.path.isfile(env_file):
+        os.environ.setdefault("MENGYA_MAIL_ENV_FILE", env_file)
+
+    mail_to = os.environ.get("MAIL_TO", "mail@smyhub.com")
+    from_name = os.environ.get("MAIL_FROM_NAME", "cron")
+
+    _ensure_vendor_imports()
+    from mengya_mail_api.config import ConfigError, MailConfig
+    from mengya_mail_api.email_client import MailClient, MailClientError
+
+    try:
+        config = MailConfig.from_env()
+        MailClient(config).send_email(
+            to=mail_to,
+            subject=title,
+            html_body=markdown,
+            from_name=from_name,
+        )
+        log("邮件通知发送成功。")
+    except ConfigError as exc:
+        log(f"邮件配置错误：{exc}")
+    except MailClientError as exc:
+        log(f"邮件通知发送失败：{exc}")
+    except ImportError:
+        log("邮件通知发送失败：内置 mengya-mail-api 不可用。")