feat(api+app): 对话阶段化、回忆录流水线与客户端会话体验

- DB: segments 用户输入文本（Alembic 0002）
- Chat: 阶段检测/阶段提示/回复限制，编排与访谈/画像 prompts 调整
- Memoir: 忠实度检查 agent，叙事与分类等链路更新
- Core: agent 日志、Alembic 启动、LangChain/日志/配置等
- Story: time_hints；Memory 检索与相关测试
- Expo: 助手头像、会话页与消息拆分、实时会话与文案/i18n
- Docs/scripts/tests: 迁移脚本、LLM JSON/记忆检索文档、新增单测

api/app/adapters/sms/tencent.py

@@ -64,7 +64,7 @@ class TencentSmsSender:
                 if "TemplateParamSetNotMatchApprovedTemplate" in error_code:
                     continue
                 logger.error(
-                    "SMS send failed: %s - %s",
+                    "SMS send failed: {} - {}",
                     error_code,
                     status.Message if status else "",
                 )
@@ -73,10 +73,10 @@ class TencentSmsSender:
             except TencentCloudSDKException as e:
                 if "TemplateParamSetNotMatchApprovedTemplate" in str(e):
                     continue
-                logger.error("Tencent SMS SDK error: %s", e)
+                logger.error("Tencent SMS SDK error: {}", e)
                 return False
             except Exception as e:
-                logger.error("SMS send exception: %s", e)
+                logger.error("SMS send exception: {}", e)
                 return False
 
         logger.error("All SMS template param configs failed")