基本完成，舒适性修补

backend/api/routes/chatWsRoute.py

@@ -389,6 +389,35 @@ async def _save_messages(
     try:
         from datetime import datetime
         
+        # ✅ 应用双 false 的正则规则（永久修改存储数据）
+        from services.regex_service import regex_service
+        from models.regex_rules import RegexPlacement
+        
+        # 获取预设名称
+        preset_config = request_data.get("presetConfig", {})
+        preset_name = preset_config.get("selectedPreset")
+        
+        # 计算消息深度
+        floor = request_data.get("floor", 0)
+        message_depth = 0  # AI 回复是最新消息，深度为 0
+        
+        # ✅ 应用 AI Output 正则规则（placement=2）
+        # 只应用双 false 的规则（markdownOnly=false 且 promptOnly=false）
+        processed_ai_response = regex_service.apply_rules_by_placement(
+            text=ai_response,
+            placement=RegexPlacement.AI_OUTPUT.value,
+            character_name=role_name,
+            preset_name=preset_name,
+            message_depth=message_depth,
+            is_for_llm=False,  # ✅ 不是发送给 LLM，是保存数据
+            is_markdown_rendered=False  # ✅ 不是 Markdown 渲染后
+        )
+        
+        # 如果处理后的内容与原始内容不同，说明有双 false 规则被应用
+        if processed_ai_response != ai_response:
+            print(f"[Regex] ✅ 已应用双 false 正则规则（永久修改存储数据）")
+            ai_response = processed_ai_response
+        
         # ✅ 检查是否是重roll模式（targetFloor 存在且不为 null）
         target_floor = request_data.get("floor")
         is_reroll = target_floor is not None

backend/api/routes/chatsRoute.py

@@ -134,3 +134,45 @@ async def update_table_data(role_name: str, chat_name: str, table_update: dict):
 		raise HTTPException(status_code=404, detail=str(e))
 	except Exception as e:
 		raise HTTPException(status_code=500, detail=str(e))
+
+
+@router.post("/{role_name}/{chat_name}/branch", status_code=status.HTTP_201_CREATED)
+async def branch_chat(role_name: str, chat_name: str, branch_data: dict):
+	"""
+	创建聊天分支
+	
+	复制当前楼层及之前的所有内容到一个新的聊天记录
+	
+	Args:
+		role_name: 角色名称
+		chat_name: 原聊天名称
+		branch_data: {
+			"target_floor": int,  # 目标楼层（包含该楼层及之前的内容）
+			"new_chat_name": str  # 新聊天名称（可选，默认自动生成）
+		}
+	
+	Returns:
+		{
+			"success": bool,
+			"new_chat_name": str,
+			"message_count": int
+		}
+	"""
+	try:
+		target_floor = branch_data.get("target_floor")
+		new_chat_name = branch_data.get("new_chat_name")
+		
+		if target_floor is None:
+			raise HTTPException(status_code=400, detail="缺少 target_floor 参数")
+		
+		# 调用服务层创建分支
+		result = chat_service.create_branch(role_name, chat_name, target_floor, new_chat_name)
+		
+		return result
+		
+	except FileNotFoundError as e:
+		raise HTTPException(status_code=404, detail=str(e))
+	except ValueError as e:
+		raise HTTPException(status_code=400, detail=str(e))
+	except Exception as e:
+		raise HTTPException(status_code=500, detail=f"创建分支失败: {str(e)}")

backend/api/routes/presetsRoute.py

@@ -66,6 +66,27 @@ async def update_preset(preset_name: str, update_data: dict):
 	except Exception as e:
 		raise HTTPException(status_code=500, detail=str(e))
 
+@router.post("/{preset_name}/rename")
+async def rename_preset(preset_name: str, rename_data: dict):
+	"""重命名预设（同时修改文件名和内部 name 字段）"""
+	try:
+		new_name = rename_data.get("newName")
+		if not new_name:
+			raise HTTPException(status_code=400, detail="newName is required")
+		
+		# 清理新名称（去掉可能的时间戳和后缀）
+		import re
+		clean_name = re.sub(r'_\d{10,13}$', '', new_name.replace('.json', ''))
+		
+		updated_preset = PresetService.rename_preset(preset_name, clean_name)
+		return {"success": True, "preset": updated_preset, "newName": clean_name}
+	except FileNotFoundError:
+		raise HTTPException(status_code=404, detail="Preset not found")
+	except ValueError as e:
+		raise HTTPException(status_code=409, detail=str(e))
+	except Exception as e:
+		raise HTTPException(status_code=500, detail=str(e))
+
 @router.delete("/{preset_name}")
 async def delete_preset(preset_name: str):
 	"""删除指定预设"""

backend/api/routes/regexRoute.py

@@ -121,27 +121,61 @@ async def get_preset_ruleset(preset_name: str):
 
 @router.post("/rules")
 async def add_rule(request: RuleUpdateRequest):
-    """添加新规则"""
+    """添加或更新规则"""
     try:
-        regex_service.save_ruleset(
-            RegexRuleset(
+        # 获取现有的规则集
+        existing_ruleset = None
+        if request.scope == RegexScope.GLOBAL:
+            # 对于全局作用域，查找是否已有同名规则集
+            for ruleset_id, ruleset in regex_service.global_rulesets.items():
+                if ruleset.name == request.rule.scriptName:
+                    existing_ruleset = ruleset
+                    break
+        elif request.scope == RegexScope.CHARACTER and request.name:
+            if request.name in regex_service.character_rulesets:
+                existing_ruleset = regex_service.character_rulesets[request.name]
+        elif request.scope == RegexScope.PRESET and request.name:
+            if request.name in regex_service.preset_rulesets:
+                existing_ruleset = regex_service.preset_rulesets[request.name]
+        
+        if existing_ruleset:
+            # 如果已存在同名规则集，则更新其中的规则
+            updated_rules = []
+            rule_found = False
+            for rule in existing_ruleset.rules:
+                if rule.id == request.rule.id:
+                    # 更新现有规则
+                    updated_rules.append(request.rule)
+                    rule_found = True
+                else:
+                    # 保留其他规则
+                    updated_rules.append(rule)
+            
+            if not rule_found:
+                # 如果没有找到相同ID的规则，则添加新规则
+                updated_rules.append(request.rule)
+            
+            # 更新规则集
+            existing_ruleset.rules = updated_rules
+            regex_service.save_ruleset(existing_ruleset, request.scope, request.name)
+        else:
+            # 如果不存在同名规则集，则创建新的规则集
+            new_ruleset = RegexRuleset(
                 id=request.rule.id,
                 name=request.rule.scriptName,
                 rules=[request.rule]
-            ),
-            request.scope,
-            request.name
-        )
+            )
+            regex_service.save_ruleset(new_ruleset, request.scope, request.name)
         
         # 重新加载规则
         regex_service._load_all_rules()
         
         return {
             "success": True,
-            "message": "规则添加成功"
+            "message": "规则保存成功"
         }
     except Exception as e:
-        logger.error(f"添加规则失败: {e}")
+        logger.error(f"保存规则失败: {e}")
         raise HTTPException(status_code=500, detail=str(e))