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/runtime_probe.py

@@ -0,0 +1,114 @@
+"""检测本机 Python / Node.js / Bash / PowerShell 是否可用及版本。"""
+
+from __future__ import annotations
+
+import re
+import shutil
+import subprocess
+import sys
+from dataclasses import asdict, dataclass
+
+
+@dataclass
+class RuntimeProbe:
+    id: str
+    name: str
+    available: bool
+    version: str | None = None
+    path: str | None = None
+
+    def to_dict(self) -> dict[str, object]:
+        return asdict(self)
+
+
+def _first_line(text: str) -> str:
+    line = (text or "").strip().splitlines()[0].strip() if text else ""
+    return line
+
+
+def _run(cmd: list[str], *, timeout: float = 8.0) -> tuple[int, str]:
+    try:
+        proc = subprocess.run(
+            cmd,
+            capture_output=True,
+            text=True,
+            encoding="utf-8",
+            errors="replace",
+            timeout=timeout,
+        )
+        out = _first_line((proc.stdout or "") + "\n" + (proc.stderr or ""))
+        return proc.returncode, out
+    except (OSError, subprocess.TimeoutExpired):
+        return 1, ""
+
+
+def _probe_python() -> RuntimeProbe:
+    exe = sys.executable
+    code, out = _run([exe, "--version"])
+    version: str | None = None
+    if code == 0 and out:
+        version = out.removeprefix("Python ").strip() if out.lower().startswith("python") else out
+    elif sys.version:
+        version = sys.version.split()[0]
+    return RuntimeProbe(
+        id="python",
+        name="Python",
+        available=True,
+        version=version,
+        path=exe,
+    )
+
+
+def _probe_nodejs() -> RuntimeProbe:
+    path = shutil.which("node")
+    if not path:
+        return RuntimeProbe(id="nodejs", name="JavaScript", available=False)
+    code, out = _run([path, "--version"])
+    if code != 0 or not out:
+        return RuntimeProbe(id="nodejs", name="JavaScript", available=False, path=path)
+    version = out.lstrip("vV").strip() or out
+    return RuntimeProbe(id="nodejs", name="JavaScript", available=True, version=version, path=path)
+
+
+def _parse_bash_version(text: str) -> str | None:
+    match = re.search(r"version\s+([^\s(]+)", text, re.I)
+    return match.group(1) if match else (text or None)
+
+
+def _probe_bash() -> RuntimeProbe:
+    path = shutil.which("bash")
+    if not path:
+        return RuntimeProbe(id="bash", name="Bash", available=False)
+    code, out = _run([path, "--version"])
+    if code != 0 or not out:
+        return RuntimeProbe(id="bash", name="Bash", available=False, path=path)
+    version = _parse_bash_version(out)
+    return RuntimeProbe(id="bash", name="Bash", available=True, version=version, path=path)
+
+
+def _probe_powershell() -> RuntimeProbe:
+    for cmd_name in ("pwsh", "powershell"):
+        path = shutil.which(cmd_name)
+        if not path:
+            continue
+        code, out = _run(
+            [path, "-NoProfile", "-Command", "$PSVersionTable.PSVersion.ToString()"]
+        )
+        if code == 0 and out:
+            return RuntimeProbe(
+                id="powershell",
+                name="PowerShell",
+                available=True,
+                version=out.strip(),
+                path=path,
+            )
+    return RuntimeProbe(id="powershell", name="PowerShell", available=False)
+
+
+def probe_all_runtimes() -> list[dict[str, object]]:
+    return [
+        _probe_python().to_dict(),
+        _probe_nodejs().to_dict(),
+        _probe_bash().to_dict(),
+        _probe_powershell().to_dict(),
+    ]