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simbarag/blueprints/conversation/models.py
T
ryan 5809ad3adb
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Add durable chat runs, shared agent runtime, reliable jobs, history tools and citations
Shared runtime
- One agent entry point (runtime.invoke_agent_for_user / prepare_agent_turn) for
  web, email, iMessage, WhatsApp, scheduled and cron, so identity, permissions,
  memories, summaries and metrics match across channels.
- Serialize turns per checkpoint thread; /query validates input and returns 409
  while a durable run owns the conversation.

Reconnectable chat (durable runs)
- POST /runs creates an idempotent, owner-scoped run; GET .../events replays an
  ordered SSE log by cursor, so generation survives refresh and device switches.
  Stop cancels; disconnect only detaches. /stream-query is a compatibility adapter.
- Coalesce streamed deltas (150 ms) and wake same-process subscribers instead of
  polling; keep buffered text when a run is stopped.
- Drain runs on shutdown; serve via Hypercorn with a shutdown timeout covering
  the drain (and no longer in debug mode). CHAT_RUN_* settings are forwarded.

Scheduled messages and cron
- Atomic delivery claims, attempt history and explicit retries; ambiguous sends
  become "uncertain" and are never resent automatically.
- Cron triggers need a run_id/Idempotency-Key; legacy jobs need an explicit owner.
- Cancelling never rewrites a started delivery; series stop via tombstones.
  Legacy sent rows are not forked into new series. Malformed bodies return 400.

History, integrations and retrieval
- Message-content search, pinned conversations, JSON/Markdown export and a
  memory editor.
- Integration status panel and YNAB data-freshness provenance.
- Date-filtered document/note search with stable citations and a source viewer.

Migration 20 is generated by aerich.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-12 23:11:04 -04:00

75 lines
2.4 KiB
Python

import enum
from tortoise import fields
from tortoise.contrib.pydantic import (
pydantic_model_creator,
pydantic_queryset_creator,
)
from tortoise.models import Model
class Speaker(enum.Enum):
USER = "user"
SIMBA = "simba"
TOOL = "tool"
class Conversation(Model):
id = fields.UUIDField(primary_key=True)
name = fields.CharField(max_length=255)
created_at = fields.DatetimeField(auto_now_add=True)
updated_at = fields.DatetimeField(auto_now=True)
user: fields.ForeignKeyRelation = fields.ForeignKeyField(
"models.User", related_name="conversations", null=True
)
channel = fields.CharField(max_length=20, default="web", null=True)
pinned = fields.BooleanField(default=False)
class Meta:
table = "conversations"
# Conversation list: a user's conversations, most recent first.
indexes = (("user_id", "updated_at"),)
class ConversationMessage(Model):
id = fields.UUIDField(primary_key=True)
text = fields.TextField()
conversation = fields.ForeignKeyField(
"models.Conversation", related_name="messages"
)
created_at = fields.DatetimeField(auto_now_add=True)
speaker = fields.CharEnumField(enum_type=Speaker, max_length=10)
image_key = fields.CharField(max_length=512, null=True, default=None)
message_handle = fields.CharField(max_length=255, null=True, default=None)
class Meta:
table = "conversation_messages"
# Loading a conversation's history in order.
indexes = (("conversation_id", "created_at"),)
class UserMemory(Model):
id = fields.UUIDField(primary_key=True)
user = fields.ForeignKeyField("models.User", related_name="memories", db_index=True)
content = fields.TextField()
created_at = fields.DatetimeField(auto_now_add=True)
updated_at = fields.DatetimeField(auto_now=True)
class Meta:
table = "user_memories"
PydConversationMessage = pydantic_model_creator(ConversationMessage)
PydConversation = pydantic_model_creator(
Conversation, name="Conversation", allow_cycles=True, exclude=("user",)
)
PydConversationWithMessages = pydantic_model_creator(
Conversation,
name="ConversationWithMessages",
allow_cycles=True,
exclude=("user",),
include=("messages",),
)
PydListConversation = pydantic_queryset_creator(Conversation)
PydListConversationMessage = pydantic_queryset_creator(ConversationMessage)