Files
life-echo/api/app/features/conversation/models.py
Kevin 309a051038 feat: 回忆录证据血缘与内部评测可追溯,顺带对齐本地评测台与 CI
数据库与模型:新增多版迁移(章节证据快照、对话血缘、记忆事实/时间线 lineage 等),把「成稿 ↔ 对话/记忆」的溯源信息落到表结构里。
业务链路:会话与 WS、回忆录/故事流水线、记忆写入与 enrichment 等跟着接上线索与快照;新增章节证据快照与评测侧 EvalTraceService 等模块,方便组评审用的证据包。
内部评测:自动化 run 与手工 memoir 评审共用可追溯证据;rubric/ judge 相关脚本与文档有配套调整。
app-eval-web:Memoir/实验详情里能展开看证据摘要与 evidence_trace(含对话轮次 id);Vite 代理与 development.sh 注入的 API 端口与当前默认内部评测端口一致,避免改端口后页面连错服务。
工程杂项:GitHub Actions / 仓库说明有更新;各适配器与支付/配额/plan 等多处为小改动或跟随主改动的收尾;新增/扩充了?
2026-04-08 15:37:09 +08:00

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from sqlalchemy import (
JSON,
Boolean,
Column,
DateTime,
ForeignKey,
Integer,
String,
Text,
)
from sqlalchemy.orm import relationship
from app.core.db import Base, utc_now
class Conversation(Base):
__tablename__ = "conversations"
id = Column(String, primary_key=True)
user_id = Column(String, ForeignKey("users.id"), nullable=False)
started_at = Column(DateTime(timezone=True), default=utc_now)
last_message_at = Column(DateTime(timezone=True), nullable=True)
ended_at = Column(DateTime(timezone=True), nullable=True)
duration_seconds = Column(Integer, default=0)
summary = Column(Text, nullable=True)
status = Column(String, default="active")
current_topic = Column(String, nullable=True)
conversation_stage = Column(String, nullable=True)
deleted_at = Column(DateTime(timezone=True), nullable=True)
user = relationship("User", back_populates="conversations")
segments = relationship(
"Segment", back_populates="conversation", cascade="all, delete-orphan"
)
messages = relationship(
"ConversationMessage",
back_populates="conversation",
cascade="all, delete-orphan",
)
class Segment(Base):
__tablename__ = "segments"
id = Column(String, primary_key=True)
conversation_id = Column(String, ForeignKey("conversations.id"), nullable=False)
audio_url = Column(String, nullable=True)
# 用户输入正文:语音 ASR 结果或键盘输入(历史列名 transcript_text
user_input_text = Column(Text, nullable=False)
audio_duration_seconds = Column(Integer, nullable=True)
created_at = Column(DateTime(timezone=True), default=utc_now)
processed = Column(Boolean, default=False)
# Phase 1 分类结果(回忆录 chapter 类目);非空表示 Phase 1 已完成
topic_category = Column(String, nullable=True)
# Phase 2 已消费该段并完成叙事落库
narrated = Column(Boolean, default=False, server_default="false")
# Phase 1 判定无需进故事管线(无 slots 且 LLM 判 none
skip_narrative = Column(Boolean, default=False, server_default="false")
agent_response = Column(Text, nullable=True)
tts_audio_urls = Column(JSON, nullable=True)
# 用户轮次 durable message id与 lineage_json 同步;便于查询)
user_message_id = Column(
String, ForeignKey("conversation_messages.id", ondelete="SET NULL"), nullable=True
)
# DialogueLineage JSONschema 见 conversation.lineage_schemas
lineage_json = Column(JSON, nullable=True)
conversation = relationship("Conversation", back_populates="segments")
class ConversationMessage(Base):
"""durable turn log aligned with Redis history shape (canonical chat source of truth)."""
__tablename__ = "conversation_messages"
id = Column(String, primary_key=True)
conversation_id = Column(String, ForeignKey("conversations.id"), nullable=False)
role = Column(String, nullable=False) # human / ai
content = Column(Text, nullable=False)
message_type = Column(String, nullable=False, default="text")
voice_session_id = Column(String, nullable=True)
duration_seconds = Column(Integer, nullable=True)
tts_audio_urls = Column(JSON, nullable=True)
segment_id = Column(String, ForeignKey("segments.id"), nullable=True)
created_at = Column(DateTime(timezone=True), default=utc_now)
# 本轮(与用户句配对)助手生成前检索到的 memory 证据 id 快照Phase 8 可追溯
memory_retrieval_trace_json = Column(JSON, nullable=True)
conversation = relationship("Conversation", back_populates="messages")
segment = relationship("Segment", foreign_keys=[segment_id])