diff --git a/Assets/Scripts/Dialog System/DialogController.cs b/Assets/Scripts/Dialog System/DialogController.cs
index 816eae864..b2031a28d 100644
--- a/Assets/Scripts/Dialog System/DialogController.cs	
+++ b/Assets/Scripts/Dialog System/DialogController.cs	
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using AibisDream.Kit;
+using AibisDream.SaveSystem;
 using UnityEngine;
 using UnityEngine.Events;
 using AibisDream.Framework;
@@ -16,20 +17,30 @@ namespace AibisDream
 
         [SerializeField] private LineAdvanceInput lineAdvanceInput;
 
+        private string _currentNodeName;
+        private string[] _currentNodeTags;
+
         private void Start()
         {
             _dialogueRunner = GetComponentInChildren<DialogueRunner>();
             _dialogueRunner.onDialogueStart ??= new UnityEvent();
             _dialogueRunner.onDialogueComplete ??= new UnityEvent();
+            _dialogueRunner.onNodeStart ??= new UnityEventString();
+            _dialogueRunner.onNodeComplete ??= new UnityEventString();
 
             _dialogueRunner.onDialogueStart.AddListener(() =>
             {
                 EnumEventSystem.Global.Send(InteractionEventEnum.DialogStart);
             });
+
             _dialogueRunner.onDialogueComplete.AddListener(() =>
             {
                 EnumEventSystem.Global.Send(InteractionEventEnum.DialogEnd);
+                ClearCurrentNodeContext();
             });
+
+            _dialogueRunner.onNodeStart.AddListener(OnNodeStart);
+            _dialogueRunner.onNodeComplete.AddListener(OnNodeComplete);
         }
 
         private void OnEnable()
@@ -140,30 +151,45 @@ namespace AibisDream
         /// </summary>
         public (string nodeName, IReadOnlyList<string> tags) GetCurrentNodeContext()
         {
-            if (_dialogueRunner == null)
+            if (string.IsNullOrEmpty(_currentNodeName))
             {
                 return (null, Array.Empty<string>());
             }
 
-            var dialogue = _dialogueRunner.Dialogue;
-            if (dialogue == null)
+            return (_currentNodeName, _currentNodeTags ?? Array.Empty<string>());
+        }
+
+        private void OnNodeStart(string nodeName)
+        {
+            UpdateCurrentNodeContext(nodeName);
+            SaveRestoreOrchestrator.TryAutoSave();
+        }
+
+        private void OnNodeComplete(string nodeName)
+        {
+            ClearCurrentNodeContext();
+        }
+
+        private void UpdateCurrentNodeContext(string nodeName)
+        {
+            if (_dialogueRunner == null || _dialogueRunner.Dialogue == null)
             {
-                return (null, Array.Empty<string>());
+                ClearCurrentNodeContext();
+                return;
             }
 
-            var nodeName = dialogue.CurrentNode;
-            if (string.IsNullOrEmpty(nodeName))
-            {
-                return (null, Array.Empty<string>());
-            }
+            _currentNodeName = nodeName;
 
-            var tagsHeader = dialogue.GetHeaderValue(nodeName, "tags");
-            if (string.IsNullOrWhiteSpace(tagsHeader))
-            {
-                return (nodeName, Array.Empty<string>());
-            }
+            var tagsHeader = _dialogueRunner.Dialogue.GetHeaderValue(nodeName, "tags");
+            _currentNodeTags = string.IsNullOrWhiteSpace(tagsHeader)
+                ? Array.Empty<string>()
+                : tagsHeader.Split(Array.Empty<char>(), StringSplitOptions.RemoveEmptyEntries);
+        }
 
-            return (nodeName, tagsHeader.Split(Array.Empty<char>(), StringSplitOptions.RemoveEmptyEntries));
+        private void ClearCurrentNodeContext()
+        {
+            _currentNodeName = null;
+            _currentNodeTags = null;
         }
 
         #region 推进方式修改
diff --git a/Assets/Scripts/SaveSystem/SavePointEvaluator.cs b/Assets/Scripts/SaveSystem/SavePointEvaluator.cs
new file mode 100644
index 000000000..113d160c4
--- /dev/null
+++ b/Assets/Scripts/SaveSystem/SavePointEvaluator.cs
@@ -0,0 +1,105 @@
+namespace AibisDream.SaveSystem
+{
+    /// <summary>
+    /// 可存点被拒绝的原因，供日志与 UI 提示使用。
+    /// </summary>
+    public enum SavePointRejectReason
+    {
+        None,
+        Restoring,
+        GamePaused,
+        NoActiveNode,
+        StartNode,
+        FunctionNode,
+        NoAutoSave
+    }
+
+    /// <summary>
+    /// 可存点判定器。
+    /// <para>
+    /// P3 只搭框架：规则不是最终版，后续随 Yarn 节点 tags 整理和章节策略扩展而更新。
+    /// 当前所有 FixState 均放行，不可存状态由 Yarn 节点流程控制。
+    /// </para>
+    /// </summary>
+    public static class SavePointEvaluator
+    {
+        /// <summary>
+        /// 当前是否可以自动存档。
+        /// </summary>
+        public static bool CanAutoSave(out SavePointRejectReason reason)
+        {
+            if (SaveRestoreOrchestrator.IsRestoring)
+            {
+                reason = SavePointRejectReason.Restoring;
+                return false;
+            }
+
+            if (GameManager.Instance != null && GameManager.Instance.state.isInPause)
+            {
+                reason = SavePointRejectReason.GamePaused;
+                return false;
+            }
+
+            var (nodeName, tags) = DialogController.Instance != null
+                ? DialogController.Instance.GetCurrentNodeContext()
+                : (null, null);
+
+            if (string.IsNullOrEmpty(nodeName))
+            {
+                reason = SavePointRejectReason.NoActiveNode;
+                return false;
+            }
+
+            if (nodeName == "Start")
+            {
+                reason = SavePointRejectReason.StartNode;
+                return false;
+            }
+
+            if (tags != null && IsTagPresent(tags, "function"))
+            {
+                reason = SavePointRejectReason.FunctionNode;
+                return false;
+            }
+
+            reason = SavePointRejectReason.None;
+            return true;
+        }
+
+        /// <summary>
+        /// 当前是否可以手动存档。
+        /// 手动档 = 复制最近自动档，因此需要当前可自动存档且自动档存在。
+        /// </summary>
+        public static bool CanManualSave(out SavePointRejectReason reason)
+        {
+            if (!CanAutoSave(out reason))
+            {
+                return false;
+            }
+
+            if (!SlotDirectory.Exists(SlotIndex.Auto))
+            {
+                reason = SavePointRejectReason.NoAutoSave;
+                return false;
+            }
+
+            reason = SavePointRejectReason.None;
+            return true;
+        }
+
+        private static bool IsTagPresent(System.Collections.Generic.IReadOnlyList<string> tags, string tag)
+        {
+            if (tags == null) return false;
+
+            foreach (var t in tags)
+            {
+                if (t == tag)
+                {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+    }
+}
diff --git a/Assets/Scripts/SaveSystem/SavePointEvaluator.cs.meta b/Assets/Scripts/SaveSystem/SavePointEvaluator.cs.meta
new file mode 100644
index 000000000..5eae8ae6a
--- /dev/null
+++ b/Assets/Scripts/SaveSystem/SavePointEvaluator.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 512f62f0cf333514384484ef1ab1cb3e
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scripts/SaveSystem/SaveRestoreOrchestrator.cs b/Assets/Scripts/SaveSystem/SaveRestoreOrchestrator.cs
index 509320445..0b2f1f4e7 100644
--- a/Assets/Scripts/SaveSystem/SaveRestoreOrchestrator.cs
+++ b/Assets/Scripts/SaveSystem/SaveRestoreOrchestrator.cs
@@ -11,7 +11,7 @@ namespace AibisDream.SaveSystem
     /// <summary>
     /// 存读档流程编排层：连接 UI、<see cref="SnapshotService"/> 与槽位系统。
     /// <para>
-    /// 对外入口：<see cref="SaveToAutoSlot"/>（&lt;&lt;auto_save&gt;&gt;）、
+    /// 对外入口：<see cref="TryAutoSave"/>（节点进入事件触发）、
     /// <see cref="CreateManualSlot"/>（手动存档）、
     /// <see cref="RestoreFromSlot"/>（读档）、
     /// <see cref="RestoreFromFile"/>（旧档/调试）。
@@ -19,8 +19,11 @@ namespace AibisDream.SaveSystem
     /// </summary>
     public static class SaveRestoreOrchestrator
     {
+        /// <summary>是否正在读档还原中；为 true 时禁止自动存档覆盖 slot_0。</summary>
+        public static bool IsRestoring { get; private set; }
+
         /// <summary>捕获快照并写入自动档（slot 0）；含保存 Loading UI。</summary>
-        public static void SaveToAutoSlot()
+        public static void TryAutoSave()
         {
             var host = YarnVariableStorage.Instance;
             if (host == null)
@@ -29,6 +32,12 @@ namespace AibisDream.SaveSystem
                 return;
             }
 
+            if (!SavePointEvaluator.CanAutoSave(out var reason))
+            {
+                Debug.LogWarning($"[SaveRestoreOrchestrator] 当前不是可存点，跳过自动存档：{reason}");
+                return;
+            }
+
             ActionKit.Sequence()
                 .Callback(() => UIManager.Instance.GetPanel<InfoPanel>().ShowSaveLoading())
                 .Delay(1f)
@@ -46,39 +55,61 @@ namespace AibisDream.SaveSystem
         /// <summary>将当前自动档复制到指定手动档。</summary>
         public static void CreateManualSlot(int slotIndex)
         {
+            if (!SavePointEvaluator.CanManualSave(out var reason))
+            {
+                Debug.LogWarning($"[SaveRestoreOrchestrator] 当前不可手动存档：{reason}");
+                return;
+            }
+
             SlotManager.CopyAutoToManual(slotIndex);
         }
 
         /// <summary>从指定槽位读档并还原。</summary>
         public static IEnumerator RestoreFromSlot(int slotIndex)
         {
-            var snapshot = SlotManager.LoadSnapshot(slotIndex);
-            if (snapshot == null)
+            IsRestoring = true;
+            try
             {
-                Debug.LogError($"[SaveRestoreOrchestrator] 槽位 {slotIndex} 不存在或读取失败");
-                yield break;
-            }
+                var snapshot = SlotManager.LoadSnapshot(slotIndex);
+                if (snapshot == null)
+                {
+                    Debug.LogError($"[SaveRestoreOrchestrator] 槽位 {slotIndex} 不存在或读取失败");
+                    yield break;
+                }
 
-            yield return RestoreSnapshot(snapshot);
+                yield return RestoreSnapshot(snapshot);
+            }
+            finally
+            {
+                IsRestoring = false;
+            }
         }
 
         /// <summary>从文件读档并还原；自动区分新快照格式与 legacy 格式。</summary>
         public static IEnumerator RestoreFromFile(string savePath)
         {
-            if (SnapshotPersistence.IsLegacyFormat(savePath))
+            IsRestoring = true;
+            try
             {
-                Debug.LogWarning("[SaveRestoreOrchestrator] 检测到旧格式存档，请使用新快照格式重新保存。");
-                yield return RestoreLegacy(savePath);
-                yield break;
-            }
+                if (SnapshotPersistence.IsLegacyFormat(savePath))
+                {
+                    Debug.LogWarning("[SaveRestoreOrchestrator] 检测到旧格式存档，请使用新快照格式重新保存。");
+                    yield return RestoreLegacy(savePath);
+                    yield break;
+                }
 
-            SaveSnapshot snapshot;
-            using (new CodeTimer("LoadSnapshot"))
+                SaveSnapshot snapshot;
+                using (new CodeTimer("LoadSnapshot"))
+                {
+                    snapshot = SnapshotPersistence.Load(savePath);
+                }
+
+                yield return RestoreSnapshot(snapshot);
+            }
+            finally
             {
-                snapshot = SnapshotPersistence.Load(savePath);
+                IsRestoring = false;
             }
-
-            yield return RestoreSnapshot(snapshot);
         }
 
         /// <summary>旧档：Yarn 变量 + DeepRepairDataRegistry systemData。</summary>