Files
meida_backend/migrations/versions/0007_agent_conversations.py
xsl 7bcbb8d40b
CI / lint / typecheck / import-linter / tests / secrets (push) Canceled after 0s
feat(agent,report): 会话持久化与画像注入、报告反馈与预约留资——PM/开发双Agent迭代1-3
- agent: ag_conversation/ag_message 表(迁移0007),上下文组装注入最近报告画像摘要
  (report.profile.latest_profile_summary 经 apps 层闭包注入,同层不互调),历史带最近
  AGENT_HISTORY_TURNS=10 轮;POST/GET /agent/conversations 与消息历史接口
- agent 修复:ChatRequest.conversation_id 改 str(雪花ID超2^53,JS Number丢精度);
  _build_context 挪进 reserve commit 后同一 try,异常走 refund 兜底
- report: rp_feedback(维度反馈 upsert,认同率/修正率 SQL 可算,T-P3-21 最小版——
  L1 记忆未建,不回写结论)+ rp_reservation(预约留资幂等,T-P3-22,预约率口径
  行数/full_report.card_view 去重曝光,门槛≥8%),迁移0008
- 测试:全量 606 passed;ruff/mypy/lint-imports 全绿;E2E 真实 deepseek-v4-flash 验证
  画像注入与历史携带
2026-09-11 21:50:58 +08:00

79 lines
3.4 KiB
Python

"""Agent 会话与消息表(FR-AGT-09 / T-P4-01)。
ag_conversation — 会话主表;title 取首条用户消息截断,last_message_at 是
列表排序与 90 天保留期清理(合规方案 §6)的时间锚点
ag_message — 消息表;retrieval_trace / rule_hits 是「每条回答可复盘」
的锚点,检索步骤(架构 §7.2 ④)落地前留空;assistant 行
以 call_id 关联 ob_ai_call,回复可一路追到成本账本
Reversible: 是。
"""
from __future__ import annotations
from collections.abc import Sequence
import sqlalchemy as sa
from alembic import op
from sqlalchemy.dialects import postgresql
revision: str = "0007"
down_revision: str | None = "0006"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None
def upgrade() -> None:
op.create_table(
"ag_conversation",
sa.Column("conversation_id", sa.BigInteger(), nullable=False),
sa.Column("user_id", sa.BigInteger(), nullable=False),
sa.Column("title", sa.String(length=64), nullable=False, server_default=sa.text("''")),
sa.Column("message_count", sa.Integer(), nullable=False, server_default=sa.text("0")),
sa.Column("last_message_at", sa.DateTime(timezone=True), nullable=True),
sa.Column(
"created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()
),
sa.PrimaryKeyConstraint("conversation_id"),
)
op.create_index(
"ix_ag_conversation_user_active", "ag_conversation", ["user_id", "last_message_at"]
)
op.create_table(
"ag_message",
sa.Column("message_id", sa.BigInteger(), nullable=False),
sa.Column("conversation_id", sa.BigInteger(), nullable=False),
sa.Column("user_id", sa.BigInteger(), nullable=False),
sa.Column("role", sa.String(length=16), nullable=False),
sa.Column("content", sa.Text(), nullable=False),
sa.Column("call_id", sa.BigInteger(), nullable=True),
sa.Column("model", sa.String(length=64), nullable=True),
sa.Column("tokens_in", sa.Integer(), nullable=True),
sa.Column("tokens_out", sa.Integer(), nullable=True),
sa.Column("tokens_cached", sa.Integer(), nullable=True),
sa.Column("latency_ms", sa.Integer(), nullable=True),
sa.Column("cost_cents", sa.Numeric(14, 6), nullable=True),
sa.Column("retrieval_trace", postgresql.JSONB(), nullable=False),
sa.Column("rule_hits", postgresql.JSONB(), nullable=False),
sa.Column(
"created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()
),
sa.PrimaryKeyConstraint("message_id"),
sa.ForeignKeyConstraint(
["conversation_id"], ["ag_conversation.conversation_id"], ondelete="CASCADE"
),
)
op.create_index(
"ix_ag_message_conversation_created", "ag_message", ["conversation_id", "created_at"]
)
op.create_index("ix_ag_message_user_created", "ag_message", ["user_id", "created_at"])
def downgrade() -> None:
op.drop_index("ix_ag_message_user_created", table_name="ag_message")
op.drop_index("ix_ag_message_conversation_created", table_name="ag_message")
op.drop_table("ag_message")
op.drop_index("ix_ag_conversation_user_active", table_name="ag_conversation")
op.drop_table("ag_conversation")