feat: 新增 persona_remove 工具（删除单条人设属性），改进 persona_clear 支持动态查询所有属性类型

core/prompts/templates/system_prompt.md

@@ -97,8 +97,9 @@ subject, relation, object 每个字段必须是一个**短关键字**（1~5个
 ### 人设工具
 | 工具 | 时机 | 说明 |
 |------|------|------|
-| `persona_update` | AI自身角色改变 | 更新AI的角色、性格、说话风格、能力。**注意**：这是设定你自己的属性，不是记录用户信息 |
+| `persona_update` | AI自身角色改变 | 更新AI的角色、性格、说话风格、能力。`mode="replace"` 替换全部，`mode="merge"` 增量添加 |
-| `persona_clear` | 需要重置人设 | 清除所有AI人设属性 |
+| `persona_remove` | 只需删除某一条属性 | 删除单条人设属性（如只删除说话风格，保留扮演角色不变） |
+| `persona_clear` | 需要完全重置 | 清除所有AI人设属性。**此操作不可逆，需要 confirm=true** |
 
 ### 任务工具（生命周期管理）
 | 工具 | 时机 | 说明 |

core/tool_executor.py

@@ -75,6 +75,11 @@ def execute_tool(graph: Any, tool_name: str, arguments: dict) -> str:
             result = execute_persona_update(graph, arguments)
             return json.dumps(result, ensure_ascii=False, default=str)
         
+        elif tool_name == "persona_remove":
+            recorder.record("delete", tool_name, arguments.get("attribute", ""))
+            result = execute_persona_remove(graph, arguments)
+            return json.dumps(result, ensure_ascii=False, default=str)
+
         elif tool_name == "persona_clear":
             recorder.record("delete", tool_name, "所有人设")
             result = execute_persona_clear(graph, arguments)
@@ -203,40 +208,74 @@ def execute_persona_update(graph: Any, arguments: dict) -> dict:
     }
 
 
+def execute_persona_remove(graph: Any, arguments: dict) -> dict:
+    """删除单条人设属性"""
+    attribute = arguments.get("attribute")
+    if not attribute:
+        return {"status": "error", "message": "请指定要删除的属性名"}
+
+    # 查询当前AI的所有人设关系，找到匹配属性名的
+    recall_result = graph.recall(query_intent="AI,人设,角色", depth=1)
+    found = False
+    deleted_count = 0
+
+    for rel in recall_result.get("relations", []):
+        if rel.get("source") == "AI" and rel.get("type") == attribute:
+            result = graph.purge(
+                criteria={"subject_contains": "AI", "relation_type": attribute},
+                mode="soft"
+            )
+            deleted_count += result.get("deleted_count", 0)
+            found = True
+
+    if not found:
+        # 也许属性名不完全匹配，尝试直接用这个类型删除
+        result = graph.purge(
+            criteria={"subject_contains": "AI", "relation_type": attribute},
+            mode="soft"
+        )
+        deleted_count = result.get("deleted_count", 0)
+
+    return {
+        "status": "success" if deleted_count > 0 else "not_found",
+        "deleted_attribute": attribute,
+        "deleted_count": deleted_count,
+        "message": f"已删除属性「{attribute}」" if deleted_count > 0 else f"未找到属性「{attribute}」"
+    }
+
+
 def execute_persona_clear(graph: Any, arguments: dict) -> dict:
-    """清除人设"""
+    """清除所有人设"""
-    if not arguments.get("confirm", True):
+    if not arguments.get("confirm"):
-        return {"status": "cancelled", "message": "需要确认才能清除人设"}
+        return {"status": "cancelled", "message": "请设置 confirm=true 确认清除人设"}
-    
+
-    # 删除所有人设相关关系
+    # 先查询AI的所有人设关系
-    result1 = graph.purge(
+    recall_result = graph.recall(query_intent="AI,人设,角色", depth=1)
-        criteria={"subject_contains": "AI", "relation_type": "扮演角色"},
+
-        mode="soft"
+    # 收集所有AI到其他实体的关系类型
-    )
+    relation_types = set()
-    result2 = graph.purge(
+    for rel in recall_result.get("relations", []):
-        criteria={"subject_contains": "AI", "relation_type": "说话风格"},
+        if rel.get("source") == "AI" and rel.get("type"):
-        mode="soft"
+            relation_types.add(rel.get("type"))
-    )
+
-    result3 = graph.purge(
+    total_deleted = 0
-        criteria={"subject_contains": "AI", "relation_type": "性格特点"},
+    deleted_types = []
-        mode="soft"
+
-    )
+    for rtype in relation_types:
-    result4 = graph.purge(
+        result = graph.purge(
-        criteria={"subject_contains": "AI", "relation_type": "语气特征"},
+            criteria={"subject_contains": "AI", "relation_type": rtype},
-        mode="soft"
+            mode="soft"
-    )
+        )
-    
+        count = result.get("deleted_count", 0)
-    total_deleted = (
+        if count > 0:
-        result1.get("deleted_count", 0) +
+            total_deleted += count
-        result2.get("deleted_count", 0) +
+            deleted_types.append(rtype)
-        result3.get("deleted_count", 0) +
+
-        result4.get("deleted_count", 0)
-    )
-    
     return {
         "status": "success",
         "deleted_count": total_deleted,
-        "message": "人设已清除，恢复默认身份"
+        "deleted_types": deleted_types,
+        "message": f"人设已清除，恢复默认身份（删除了 {len(deleted_types)} 类属性）"
     }
 
 

core/tool_limiter.py

@@ -39,7 +39,7 @@ class ToolLimiter:
         category: 'persona', 'task', 'memory'
         operation: 'query', 'update'
         """
-        if tool_name in ('persona_update', 'persona_clear'):
+        if tool_name in ('persona_update', 'persona_remove', 'persona_clear'):
             return ('persona', 'update')
 
         if tool_name in ('task_create', 'task_set_state', 'task_delete', 'task_link_info'):

core/tools/memory_tools.py

@@ -332,21 +332,37 @@ PERSONA_TOOLS = [
             }
         }
     },
+    {
+        "type": "function",
+        "function": {
+            "name": "persona_remove",
+            "description": "删除单条人设属性。删除指定的属性（如说话风格、扮演角色等），保留其他人设不变。",
+            "parameters": {
+                "type": "object",
+                "properties": {
+                    "attribute": {
+                        "type": "string",
+                        "description": "要删除的属性名（如：扮演角色、说话风格、性格特点、口头禅）"
+                    }
+                },
+                "required": ["attribute"]
+            }
+        }
+    },
     {
         "type": "function",
         "function": {
             "name": "persona_clear",
-            "description": "清除人设。删除AI的角色设定，恢复默认身份。",
+            "description": "清除人设。删除AI所有角色设定，恢复默认身份。注意：此操作不可逆。",
             "parameters": {
                 "type": "object",
                 "properties": {
                     "confirm": {
                         "type": "boolean",
-                        "description": "确认清除",
+                        "description": "确认清除全部人设"
-                        "default": True
                     }
                 },
-                "required": []
+                "required": ["confirm"]
             }
         }
     }