feat: v0.1.1 迭代——人设外键重构、Chat UI优化、意识节点防幻觉、日志双视图

1. 人设外键重构：persona_template 成为 system_prompt 唯一权威来源，
   agent/系统节点通过 persona_id FK 引用，含数据迁移脚本
2. Chat UI：去掉底部AI提示、加号改为弹出菜单、新建对话乐观跳转
3. 意识节点：无可用worker时禁止编造agent_id，只能自行完成或拒绝
4. 日志页面：双tab布局（系统日志 + 工作流日志列表选择）
5. 其他：SSE流式聊天、对话删除/重命名、standalone模式修复

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

kilostar/core/postgres_database/module/chat_history.py

@@ -85,3 +85,29 @@ class ChatHistoryDatabase:
             )
             results = await session.execute(statement)
             return results.scalars().all()
+
+    @database_exception
+    async def get_chat_session(self, chat_id: str) -> ChatHistoryRegister | None:
+        async with self.async_session_maker() as session:
+            statement = select(ChatHistoryRegister).where(
+                ChatHistoryRegister.chat_id == chat_id
+            )
+            results = await session.execute(statement)
+            return results.scalar_one_or_none()
+
+    @database_exception
+    async def delete_chat_session(self, chat_id: str) -> None:
+        from sqlalchemy import delete as sa_delete
+
+        async with self.async_session_maker() as session:
+            await session.execute(
+                sa_delete(ChatHistoryMessage).where(
+                    ChatHistoryMessage.chat_id == chat_id
+                )
+            )
+            await session.execute(
+                sa_delete(ChatHistoryRegister).where(
+                    ChatHistoryRegister.chat_id == chat_id
+                )
+            )
+            await session.commit()

kilostar/core/postgres_database/module/persona_template.py

@@ -27,18 +27,11 @@ class PersonaTemplateDatabase:
             return result.scalar_one_or_none()
 
     @database_exception
-    async def list_templates(self, owner_id: str = None, include_builtin: bool = True):
+    async def list_templates(self, owner_id: str = None, **kwargs):
         async with self.async_session_maker() as session:
             stmt = select(PersonaTemplate)
-            if owner_id and include_builtin:
-                from sqlalchemy import or_
-                stmt = stmt.where(
-                    or_(PersonaTemplate.owner_id == owner_id, PersonaTemplate.is_builtin == True)
-                )
-            elif owner_id:
+            if owner_id:
                 stmt = stmt.where(PersonaTemplate.owner_id == owner_id)
-            elif include_builtin:
-                stmt = stmt.where(PersonaTemplate.is_builtin == True)
             result = await session.execute(stmt)
             return list(result.scalars().all())
 

kilostar/core/postgres_database/module/provider.py

@@ -93,6 +93,19 @@ class ProviderDatabase:
                 session.delete(provider)
                 await session.commit()
 
+    @database_exception
+    async def delete_provider_by_title(self, provider_title: str) -> None:
+        """按 provider_title 删除 Provider；不存在时静默返回。"""
+        async with self.async_session_maker() as session:
+            statement = select(ProviderModel).where(
+                ProviderModel.provider_title == provider_title
+            )
+            result = await session.execute(statement)
+            provider = result.scalar_one_or_none()
+            if provider is not None:
+                await session.delete(provider)
+                await session.commit()
+
     @database_exception
     async def update_provider(self, provider_id: str, **kwargs) -> None:
         """部分更新指定 Provider 的字段；``provider_apikey`` 写入前自动加密。"""

kilostar/core/postgres_database/module/system_node.py

@@ -31,7 +31,7 @@ class SystemNodeDatabase:
         provider_title: str,
         model_id: str,
         tools: Optional[List[str]] = None,
-        custom_system_prompt: Optional[str] = None,
+        persona_id: Optional[str] = None,
         display_name: Optional[str] = None,
     ) -> SystemNodeConfigModel:
         """按 node_name 插入或更新一个系统节点的模型配置。"""
@@ -46,8 +46,8 @@ class SystemNodeDatabase:
                 config.model_id = model_id
                 if tools is not None:
                     config.tools = tools
-                if custom_system_prompt is not None:
-                    config.custom_system_prompt = custom_system_prompt
+                if persona_id is not None:
+                    config.persona_id = persona_id
                 if display_name is not None:
                     config.display_name = display_name
             else:
@@ -56,7 +56,7 @@ class SystemNodeDatabase:
                     provider_title=provider_title,
                     model_id=model_id,
                     tools=tools,
-                    custom_system_prompt=custom_system_prompt,
+                    persona_id=persona_id,
                     display_name=display_name,
                 )
             session.add(config)