feat: 调度简单设置（频率选择器）+ 运行窗口 + 下次运行列

web_server.py

@@ -247,15 +247,26 @@ def api_devices():
 
 
 # ================== API：任务计划 CRUD ==================
+def _job_next_run(job):
+    """任务下次执行时间，格式化为 "YYYY-MM-DD HH:MM"（Flask 序列化 aware datetime 会变 GMT 格式）。"""
+    nr = mgr.next_run_of(job)
+    return nr.strftime("%Y-%m-%d %H:%M") if nr else None
+
+
 @app.route("/api/jobs")
 @login_required
 def api_jobs_list():
-    return jsonify({"ok": True, "jobs": [j.to_dict() for j in mgr.jobs.values()],
+    jobs = []
+    for j in mgr.jobs.values():
+        d = j.to_dict()
+        d["next_run"] = _job_next_run(j)
+        jobs.append(d)
+    return jsonify({"ok": True, "jobs": jobs,
                     "task_types": list_task_types()})
 
 
 @app.route("/api/jobs", methods=["POST"])
-@login_required
+@perm_required(PERM_TASKS)
 def api_jobs_create():
     data = request.json or {}
     name = (data.get("name") or "").strip()
@@ -271,11 +282,13 @@ def api_jobs_create():
         schedule=data.get("schedule", {"mode": "once"}),
         retry=data.get("retry", {"max_attempts": 1, "delay": 60}),
         enabled=data.get("enabled", True))
-    return jsonify({"ok": True, "msg": "任务已创建", "job": job.to_dict()})
+    d = job.to_dict()
+    d["next_run"] = _job_next_run(job)
+    return jsonify({"ok": True, "msg": "任务已创建", "job": d})
 
 
 @app.route("/api/jobs/<job_id>", methods=["PUT"])
-@login_required
+@perm_required(PERM_TASKS)
 def api_jobs_update(job_id):
     job = mgr.jobs.get(job_id)
     if not job:
@@ -288,11 +301,13 @@ def api_jobs_update(job_id):
     if "task_type" in fields and not get_task_class(fields["task_type"]):
         return jsonify({"ok": False, "error": f"未知任务类型: {fields['task_type']}"}), 400
     mgr.update_job(job_id, **fields)
-    return jsonify({"ok": True, "msg": "任务已更新", "job": job.to_dict()})
+    d = job.to_dict()
+    d["next_run"] = _job_next_run(job)
+    return jsonify({"ok": True, "msg": "任务已更新", "job": d})
 
 
 @app.route("/api/jobs/<job_id>", methods=["DELETE"])
-@login_required
+@perm_required(PERM_TASKS)
 def api_jobs_delete(job_id):
     if mgr.delete_job(job_id):
         return jsonify({"ok": True, "msg": "任务已删除"})