feat: thread-aware memory with /flush and /recall commands

This commit is contained in:
copilot-swe-agent[bot] 2026-07-25 12:09:38 +00:00 committed by GitHub
parent 8759bea963
commit c74c8b0d8b
8 changed files with 672 additions and 32 deletions

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@ -21,3 +21,6 @@ OPENAI_MODEL=gpt-4o
# ANALYSIS_TARGET_API_KEY=
# ANALYSIS_CRON_HOUR=8
# ANALYSIS_CRON_MINUTE=0
# Thread memory store path (JSON file for persisted thread summaries)
# THREAD_MEMORY_PATH=thread_memory.json

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@ -15,13 +15,41 @@ from telegram.ext import (
from steward.config import Settings
from steward.llm.client import LLMClient
from steward.memory.thread_store import ThreadMemoryStore, ThreadSummary
from steward.proposals.generator import Proposal, ProposalGenerator
logger = logging.getLogger(__name__)
# Per-user conversation history (in-memory for the MVP)
# Per-user conversation history for non-threaded messages (capped at _MAX_HISTORY turns).
_history: dict[int, list[dict[str, str]]] = defaultdict(list)
_MAX_HISTORY = 20 # keep the last N turns per user
_MAX_HISTORY = 20
# Per-thread conversation history: (chat_id, thread_id) → full history (unbounded).
# Messages belonging to a Telegram message thread are kept in their entirety here
# until explicitly flushed by the /flush command.
_thread_history: dict[tuple[int, int], list[dict[str, str]]] = defaultdict(list)
_FLUSH_SYSTEM_PROMPT = (
"You are Steward. The following is a complete Telegram message thread conversation. "
"Produce a concise but comprehensive summary that captures:\n"
"- The main topics discussed\n"
"- Key decisions or conclusions reached\n"
"- Any outstanding actions or open questions\n"
"- Important context that would help recall this conversation later\n\n"
"Be precise. Omit pleasantries."
)
def _thread_key(update: Update) -> tuple[int, int] | None:
"""Return the (chat_id, thread_id) key if the message is part of a thread, else None."""
msg = update.message
chat = update.effective_chat
if msg is None or chat is None:
return None
thread_id = msg.message_thread_id
if thread_id is None:
return None
return (chat.id, thread_id)
def _is_allowed(user_id: int, settings: Settings) -> bool:
@ -32,7 +60,7 @@ def _is_allowed(user_id: int, settings: Settings) -> bool:
async def _send_long(update: Update, text: str) -> None:
"""Send text, splitting if it exceeds Telegram's 4096-char limit."""
"""Send text, splitting across messages if it exceeds Telegram's 4096-char limit."""
limit = 4096
for i in range(0, len(text), limit):
await update.message.reply_text( # type: ignore[union-attr]
@ -53,7 +81,9 @@ async def start_handler(update: Update, context: ContextTypes.DEFAULT_TYPE) -> N
"I'm your AI-assisted personal operations platform.\n"
"Talk to me naturally, or use:\n"
"/help – show available commands\n"
"/clear – reset our conversation history\n"
"/clear – reset conversation history\n"
"/flush – summarise and archive this thread's memory\n"
"/recall – retrieve archived thread summaries\n"
"/analyse – run a manual API analysis right now",
parse_mode=ParseMode.MARKDOWN,
)
@ -70,21 +100,150 @@ async def help_handler(update: Update, context: ContextTypes.DEFAULT_TYPE) -> No
"*Steward commands*\n\n"
"/start – greeting\n"
"/help – this message\n"
"/clear – reset conversation history\n"
"/clear – reset conversation history for this context\n"
"/flush – summarise the current thread, store the summary, and compress memory\n"
" _(only available inside a message thread)_\n"
"/recall – show the stored summary for this thread, or list all summaries\n"
"/analyse – trigger an immediate API analysis and proposal",
parse_mode=ParseMode.MARKDOWN,
)
async def clear_handler(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
"""Handle /clear – wipe conversation history for this user."""
"""Handle /clear – wipe conversation history for this context.
Inside a message thread: clears the thread's unbounded history.
Outside a thread: clears the per-user capped history.
"""
settings: Settings = context.bot_data["settings"]
user = update.effective_user
if user is None or not _is_allowed(user.id, settings):
return
_history[user.id].clear()
await update.message.reply_text("Conversation history cleared.") # type: ignore[union-attr]
key = _thread_key(update)
if key is not None:
_thread_history[key].clear()
await update.message.reply_text( # type: ignore[union-attr]
"Thread conversation history cleared."
)
else:
_history[user.id].clear()
await update.message.reply_text( # type: ignore[union-attr]
"Conversation history cleared."
)
async def flush_handler(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
"""Handle /flush – summarise thread memory, persist it, and compress in-memory history.
Steps:
1. Verify the command is issued inside a message thread.
2. Summarise the full thread history via the LLM.
3. Persist the summary in the ThreadMemoryStore (keyed by chat_id + thread_id).
4. Replace the in-memory thread history with a single compressed context message
so conversation can continue with the summary as background.
"""
settings: Settings = context.bot_data["settings"]
llm: LLMClient = context.bot_data["llm"]
store: ThreadMemoryStore = context.bot_data["thread_store"]
user = update.effective_user
if user is None or not _is_allowed(user.id, settings):
return
key = _thread_key(update)
if key is None:
await update.message.reply_text( # type: ignore[union-attr]
"\u26a0\ufe0f /flush can only be used inside a message thread."
)
return
chat_id, thread_id = key
history = _thread_history[key]
if not history:
await update.message.reply_text( # type: ignore[union-attr]
"This thread has no conversation history to flush."
)
return
await update.message.reply_text( # type: ignore[union-attr]
"\U0001f4be Summarising thread memory\u2026"
)
# Build a readable transcript for the LLM to summarise
transcript_lines = []
for msg in history:
role_label = "User" if msg["role"] == "user" else "Steward"
transcript_lines.append(f"{role_label}: {msg['content']}")
transcript = "\n".join(transcript_lines)
summary_text = await llm.chat(
f"Thread transcript:\n\n{transcript}",
system_prompt=_FLUSH_SYSTEM_PROMPT,
)
message_count = sum(1 for m in history if m["role"] == "user")
thread_summary = ThreadSummary(
chat_id=chat_id,
thread_id=thread_id,
summary=summary_text,
message_count=message_count,
)
store.save(thread_summary)
# Compress: replace history with a single system-context entry so the thread
# can continue with the summary as background knowledge.
_thread_history[key] = [
{"role": "system", "content": f"Summary of earlier conversation:\n{summary_text}"}
]
await update.message.reply_text( # type: ignore[union-attr]
f"\u2705 Thread memory flushed and stored "
f"(thread `{thread_id}`, {message_count} messages summarised).",
parse_mode=ParseMode.MARKDOWN,
)
async def recall_handler(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
"""Handle /recall – retrieve stored thread summaries.
Inside a thread: shows the stored summary for this thread (if any).
Outside a thread: lists all stored summaries (newest first).
"""
settings: Settings = context.bot_data["settings"]
store: ThreadMemoryStore = context.bot_data["thread_store"]
user = update.effective_user
if user is None or not _is_allowed(user.id, settings):
return
key = _thread_key(update)
if key is not None:
chat_id, thread_id = key
stored = store.get(chat_id, thread_id)
if stored is None:
await update.message.reply_text( # type: ignore[union-attr]
"No stored summary for this thread yet. Use /flush to create one."
)
else:
await _send_long(update, stored.format_for_telegram())
return
# Outside a thread: list all stored summaries
all_summaries = store.all()
if not all_summaries:
await update.message.reply_text( # type: ignore[union-attr]
"No thread summaries stored yet. Use /flush inside a message thread."
)
return
lines = ["\U0001f4da *Stored thread summaries*\n"]
for s in all_summaries:
date = s.flushed_at[:10]
first_line = s.summary.split("\n")[0][:80]
lines.append(f"\u2022 Thread `{s.thread_id}` ({date}): {first_line}\u2026")
await _send_long(update, "\n".join(lines))
async def analyse_handler(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
@ -109,7 +268,11 @@ async def analyse_handler(update: Update, context: ContextTypes.DEFAULT_TYPE) ->
async def message_handler(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
"""Handle plain text messages – forward to LLM and reply."""
"""Handle plain text messages – forward to LLM and reply.
Thread messages: history is stored unbounded under the (chat_id, thread_id) key.
Non-thread messages: history is capped at _MAX_HISTORY turns per user.
"""
settings: Settings = context.bot_data["settings"]
llm: LLMClient = context.bot_data["llm"]
user = update.effective_user
@ -120,32 +283,39 @@ async def message_handler(update: Update, context: ContextTypes.DEFAULT_TYPE) ->
if not text:
return
history = _history[user.id]
reply = await llm.chat(text, history=history)
# Update history
history.append({"role": "user", "content": text})
history.append({"role": "assistant", "content": reply})
# Trim to keep only the most recent turns (2 messages per turn)
if len(history) > _MAX_HISTORY * 2:
_history[user.id] = history[-( _MAX_HISTORY * 2):]
key = _thread_key(update)
if key is not None:
# Thread message: unbounded history
history = _thread_history[key]
reply = await llm.chat(text, history=history)
history.append({"role": "user", "content": text})
history.append({"role": "assistant", "content": reply})
else:
# Non-thread message: capped history per user
history = _history[user.id]
reply = await llm.chat(text, history=history)
history.append({"role": "user", "content": text})
history.append({"role": "assistant", "content": reply})
if len(history) > _MAX_HISTORY * 2:
_history[user.id] = history[-(_MAX_HISTORY * 2) :]
await _send_long(update, reply)
def build_application(settings: Settings, llm: LLMClient) -> Application: # type: ignore[type-arg]
def build_application(
settings: Settings, llm: LLMClient, thread_store: ThreadMemoryStore | None = None
) -> Application: # type: ignore[type-arg]
"""Build and return the Telegram Application."""
app = (
Application.builder()
.token(settings.telegram_bot_token)
.build()
)
app = Application.builder().token(settings.telegram_bot_token).build()
app.bot_data["settings"] = settings
app.bot_data["llm"] = llm
app.bot_data["thread_store"] = thread_store or ThreadMemoryStore(settings.thread_memory_path)
app.add_handler(CommandHandler("start", start_handler))
app.add_handler(CommandHandler("help", help_handler))
app.add_handler(CommandHandler("clear", clear_handler))
app.add_handler(CommandHandler("flush", flush_handler))
app.add_handler(CommandHandler("recall", recall_handler))
app.add_handler(CommandHandler("analyse", analyse_handler))
app.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, message_handler))

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@ -29,6 +29,9 @@ class Settings(BaseSettings):
analysis_cron_hour: int = 8
analysis_cron_minute: int = 0
# Thread memory
thread_memory_path: str = "thread_memory.json"
def get_settings() -> Settings:
"""Return application settings singleton."""

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@ -8,6 +8,7 @@ from apscheduler.schedulers.asyncio import AsyncIOScheduler
from steward.bot.telegram import build_application, send_proposal
from steward.config import get_settings
from steward.llm.client import LLMClient
from steward.memory.thread_store import ThreadMemoryStore
from steward.proposals.generator import ProposalGenerator
logging.basicConfig(
@ -44,7 +45,8 @@ def main() -> None:
sys.exit(1)
llm = LLMClient(settings)
app = build_application(settings, llm)
thread_store = ThreadMemoryStore(settings.thread_memory_path)
app = build_application(settings, llm, thread_store)
generator = ProposalGenerator(settings, llm)
scheduler = AsyncIOScheduler()

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@ -0,0 +1,84 @@
"""Persistent storage for flushed thread summaries."""
from __future__ import annotations
import json
import logging
from dataclasses import asdict, dataclass, field
from datetime import UTC, datetime
from pathlib import Path
logger = logging.getLogger(__name__)
@dataclass
class ThreadSummary:
"""A persisted summary of a flushed Telegram message thread."""
chat_id: int
thread_id: int
summary: str
message_count: int
flushed_at: str = field(default_factory=lambda: datetime.now(UTC).isoformat())
@property
def key(self) -> str:
return f"{self.chat_id}:{self.thread_id}"
def format_for_telegram(self) -> str:
"""Return a concise Telegram-formatted recall card."""
flushed = self.flushed_at[:19].replace("T", " ")
header = (
f"\U0001f9e0 *Thread summary* (thread `{self.thread_id}`)\n"
f"_Flushed: {flushed} UTC \u2014 {self.message_count} messages_"
)
return f"{header}\n\n{self.summary}"
class ThreadMemoryStore:
"""JSON-backed store for flushed thread summaries.
The store is intentionally lightweight for the MVP. Each flush overwrites
any previous summary for the same (chat_id, thread_id) pair.
"""
def __init__(self, path: str | Path = "thread_memory.json") -> None:
self._path = Path(path)
self._data: dict[str, dict[str, int | str]] = self._load()
def _load(self) -> dict[str, dict[str, int | str]]:
if self._path.exists():
try:
raw = json.loads(self._path.read_text(encoding="utf-8"))
if isinstance(raw, dict):
return raw # type: ignore[return-value]
except (json.JSONDecodeError, OSError):
logger.warning(
"Could not read thread memory store at %s; starting fresh", self._path
)
return {}
def _save(self) -> None:
try:
self._path.write_text(
json.dumps(self._data, indent=2, ensure_ascii=False), encoding="utf-8"
)
except OSError:
logger.exception("Failed to write thread memory store to %s", self._path)
def save(self, summary: ThreadSummary) -> None:
"""Persist a thread summary, replacing any previous entry for this thread."""
self._data[summary.key] = asdict(summary)
self._save()
def get(self, chat_id: int, thread_id: int) -> ThreadSummary | None:
"""Return the stored summary for a thread, or None if not found."""
raw = self._data.get(f"{chat_id}:{thread_id}")
if raw is None:
return None
return ThreadSummary(**raw) # type: ignore[arg-type]
def all(self) -> list[ThreadSummary]:
"""Return all stored summaries, newest first."""
entries = [ThreadSummary(**v) for v in self._data.values()] # type: ignore[arg-type]
return sorted(entries, key=lambda s: s.flushed_at, reverse=True)

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@ -3,18 +3,20 @@
from unittest.mock import AsyncMock, MagicMock
import pytest
from telegram import Message, Update, User
from telegram import Chat, Message, Update, User
from telegram.ext import CallbackContext
from steward.bot.telegram import (
_history,
_is_allowed,
_thread_history,
clear_handler,
message_handler,
start_handler,
)
from steward.config import Settings
from steward.llm.client import LLMClient
from steward.memory.thread_store import ThreadMemoryStore
def _make_settings(**kwargs) -> Settings:
@ -26,23 +28,41 @@ def _make_settings(**kwargs) -> Settings:
return Settings(**defaults)
def _make_update(user_id: int = 12345, text: str = "hello") -> Update:
def _make_update(
user_id: int = 12345,
text: str = "hello",
chat_id: int | None = None,
thread_id: int | None = None,
) -> Update:
user = MagicMock(spec=User)
user.id = user_id
message = MagicMock(spec=Message)
message.text = text
message.reply_text = AsyncMock()
message.message_thread_id = thread_id
chat = MagicMock(spec=Chat)
chat.id = chat_id if chat_id is not None else user_id
update = MagicMock(spec=Update)
update.effective_user = user
update.effective_chat = chat
update.message = message
return update
def _make_context(settings: Settings, llm: LLMClient | None = None) -> CallbackContext: # type: ignore[type-arg]
def _make_context(
settings: Settings,
llm: LLMClient | None = None,
store: ThreadMemoryStore | None = None,
) -> CallbackContext: # type: ignore[type-arg]
ctx = MagicMock(spec=CallbackContext)
ctx.bot_data = {"settings": settings, "llm": llm}
ctx.bot_data = {
"settings": settings,
"llm": llm,
"thread_store": store or MagicMock(spec=ThreadMemoryStore),
}
return ctx
@ -85,12 +105,13 @@ async def test_start_handler_ignores_disallowed_user():
@pytest.mark.asyncio
async def test_clear_handler_clears_history():
async def test_clear_handler_clears_user_history():
"""clear_handler without a thread clears per-user history."""
settings = _make_settings()
user_id = 42
_history[user_id] = [{"role": "user", "content": "old msg"}]
update = _make_update(user_id=user_id)
update = _make_update(user_id=user_id) # no thread_id
ctx = _make_context(settings)
await clear_handler(update, ctx)
@ -99,6 +120,22 @@ async def test_clear_handler_clears_history():
update.message.reply_text.assert_awaited_once()
@pytest.mark.asyncio
async def test_clear_handler_clears_thread_history():
"""clear_handler inside a thread clears that thread's history."""
settings = _make_settings()
key = (100, 7)
_thread_history[key] = [{"role": "user", "content": "thread msg"}]
update = _make_update(user_id=1, chat_id=100, thread_id=7)
ctx = _make_context(settings)
await clear_handler(update, ctx)
assert _thread_history[key] == []
update.message.reply_text.assert_awaited_once()
@pytest.mark.asyncio
async def test_message_handler_calls_llm_and_replies():
settings = _make_settings()
@ -113,7 +150,30 @@ async def test_message_handler_calls_llm_and_replies():
mock_llm.chat.assert_awaited_once()
update.message.reply_text.assert_awaited_once()
# History should now contain the user/assistant turn
assert len(_history[77]) == 2
assert _history[77][0]["role"] == "user"
assert _history[77][1]["role"] == "assistant"
@pytest.mark.asyncio
async def test_message_handler_non_thread_trims_history():
"""Non-thread history is trimmed to _MAX_HISTORY turns."""
from steward.bot.telegram import _MAX_HISTORY
settings = _make_settings()
mock_llm = MagicMock(spec=LLMClient)
mock_llm.chat = AsyncMock(return_value="reply")
user_id = 200
# Pre-fill exactly at the limit
_history[user_id] = [
{"role": "user" if i % 2 == 0 else "assistant", "content": f"msg{i}"}
for i in range(_MAX_HISTORY * 2)
]
update = _make_update(user_id=user_id, text="new question")
ctx = _make_context(settings, llm=mock_llm)
await message_handler(update, ctx)
# After appending 2 new messages, should trim back to _MAX_HISTORY * 2
assert len(_history[user_id]) == _MAX_HISTORY * 2

318
tests/test_thread_memory.py Normal file
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@ -0,0 +1,318 @@
"""Tests for thread-aware memory: ThreadMemoryStore and /flush, /recall handlers."""
from pathlib import Path
from unittest.mock import AsyncMock, MagicMock
import pytest
from telegram import Chat, Message, Update, User
from telegram.ext import CallbackContext
from steward.bot.telegram import (
_thread_history,
flush_handler,
message_handler,
recall_handler,
)
from steward.config import Settings
from steward.llm.client import LLMClient
from steward.memory.thread_store import ThreadMemoryStore, ThreadSummary
# ---------------------------------------------------------------------------
# Helpers
# ---------------------------------------------------------------------------
def _make_settings(**kwargs) -> Settings:
return Settings(telegram_bot_token="tok", openai_api_key="key", **kwargs)
def _make_update(
user_id: int = 1,
text: str = "hi",
chat_id: int = 100,
thread_id: int | None = None,
) -> Update:
user = MagicMock(spec=User)
user.id = user_id
message = MagicMock(spec=Message)
message.text = text
message.reply_text = AsyncMock()
message.message_thread_id = thread_id
chat = MagicMock(spec=Chat)
chat.id = chat_id
update = MagicMock(spec=Update)
update.effective_user = user
update.effective_chat = chat
update.message = message
return update
def _make_context(
settings: Settings,
llm: LLMClient | None = None,
store: ThreadMemoryStore | None = None,
) -> CallbackContext: # type: ignore[type-arg]
ctx = MagicMock(spec=CallbackContext)
ctx.bot_data = {
"settings": settings,
"llm": llm or MagicMock(spec=LLMClient),
"thread_store": store or MagicMock(spec=ThreadMemoryStore),
}
return ctx
# ---------------------------------------------------------------------------
# ThreadMemoryStore unit tests
# ---------------------------------------------------------------------------
class TestThreadMemoryStore:
def _store(self, tmp_path: Path) -> ThreadMemoryStore:
return ThreadMemoryStore(tmp_path / "mem.json")
def test_get_missing_returns_none(self, tmp_path: Path):
store = self._store(tmp_path)
assert store.get(1, 2) is None
def test_save_and_get_roundtrip(self, tmp_path: Path):
store = self._store(tmp_path)
summary = ThreadSummary(chat_id=1, thread_id=42, summary="A recap.", message_count=5)
store.save(summary)
retrieved = store.get(1, 42)
assert retrieved is not None
assert retrieved.summary == "A recap."
assert retrieved.message_count == 5
def test_save_overwrites_previous_entry(self, tmp_path: Path):
store = self._store(tmp_path)
store.save(ThreadSummary(chat_id=1, thread_id=1, summary="old", message_count=2))
store.save(ThreadSummary(chat_id=1, thread_id=1, summary="new", message_count=4))
assert store.get(1, 1).summary == "new" # type: ignore[union-attr]
def test_persisted_to_disk(self, tmp_path: Path):
path = tmp_path / "mem.json"
store = ThreadMemoryStore(path)
store.save(ThreadSummary(chat_id=5, thread_id=9, summary="saved", message_count=1))
# Load a fresh store from the same file
store2 = ThreadMemoryStore(path)
assert store2.get(5, 9) is not None
def test_all_returns_newest_first(self, tmp_path: Path):
store = self._store(tmp_path)
store.save(ThreadSummary(chat_id=1, thread_id=1, summary="first", message_count=1,
flushed_at="2026-01-01T00:00:00+00:00"))
store.save(ThreadSummary(chat_id=1, thread_id=2, summary="second", message_count=1,
flushed_at="2026-06-01T00:00:00+00:00"))
results = store.all()
assert results[0].summary == "second"
assert results[1].summary == "first"
def test_corrupt_file_starts_fresh(self, tmp_path: Path):
path = tmp_path / "mem.json"
path.write_text("not-json", encoding="utf-8")
store = ThreadMemoryStore(path)
assert store.all() == []
def test_format_for_telegram_contains_thread_id(self, tmp_path: Path):
s = ThreadSummary(chat_id=1, thread_id=77, summary="recap", message_count=3)
text = s.format_for_telegram()
assert "77" in text
assert "recap" in text
# ---------------------------------------------------------------------------
# Thread-aware message_handler tests
# ---------------------------------------------------------------------------
@pytest.mark.asyncio
async def test_thread_message_stored_in_thread_history():
"""Messages in a thread go to _thread_history, not _history."""
from steward.bot.telegram import _history
settings = _make_settings()
mock_llm = MagicMock(spec=LLMClient)
mock_llm.chat = AsyncMock(return_value="thread reply")
key = (100, 55)
_thread_history[key].clear()
update = _make_update(user_id=1, chat_id=100, thread_id=55, text="thread message")
ctx = _make_context(settings, llm=mock_llm)
await message_handler(update, ctx)
assert len(_thread_history[key]) == 2
assert _thread_history[key][0]["role"] == "user"
# Regular user history untouched
assert len(_history[1]) == 0
@pytest.mark.asyncio
async def test_thread_history_is_unbounded():
"""Thread history never gets trimmed regardless of how many turns there are."""
from steward.bot.telegram import _MAX_HISTORY
settings = _make_settings()
mock_llm = MagicMock(spec=LLMClient)
mock_llm.chat = AsyncMock(return_value="reply")
key = (200, 66)
# Pre-fill well beyond the cap used for non-thread history
_thread_history[key] = [
{"role": "user" if i % 2 == 0 else "assistant", "content": f"m{i}"}
for i in range(_MAX_HISTORY * 4) # 4× the normal cap
]
prior_len = len(_thread_history[key])
update = _make_update(user_id=2, chat_id=200, thread_id=66, text="more")
ctx = _make_context(settings, llm=mock_llm)
await message_handler(update, ctx)
# Should have grown by exactly 2 (user + assistant), never trimmed
assert len(_thread_history[key]) == prior_len + 2
# ---------------------------------------------------------------------------
# /flush handler tests
# ---------------------------------------------------------------------------
@pytest.mark.asyncio
async def test_flush_outside_thread_warns():
"""flush_handler outside a thread should warn the user."""
settings = _make_settings()
store = MagicMock(spec=ThreadMemoryStore)
mock_llm = MagicMock(spec=LLMClient)
mock_llm.chat = AsyncMock(return_value="summary")
update = _make_update(thread_id=None) # no thread
ctx = _make_context(settings, llm=mock_llm, store=store)
await flush_handler(update, ctx)
store.save.assert_not_called()
update.message.reply_text.assert_awaited_once()
text = update.message.reply_text.call_args.args[0]
assert "flush" in text.lower() or "thread" in text.lower()
@pytest.mark.asyncio
async def test_flush_empty_thread_warns():
"""flush_handler with no history should tell the user there is nothing to flush."""
settings = _make_settings()
store = MagicMock(spec=ThreadMemoryStore)
mock_llm = MagicMock(spec=LLMClient)
mock_llm.chat = AsyncMock(return_value="summary")
key = (300, 88)
_thread_history[key].clear()
update = _make_update(chat_id=300, thread_id=88)
ctx = _make_context(settings, llm=mock_llm, store=store)
await flush_handler(update, ctx)
store.save.assert_not_called()
mock_llm.chat.assert_not_awaited()
@pytest.mark.asyncio
async def test_flush_summarises_stores_and_compresses():
"""flush_handler should summarise, persist, and compress in-memory history."""
settings = _make_settings()
store = MagicMock(spec=ThreadMemoryStore)
mock_llm = MagicMock(spec=LLMClient)
mock_llm.chat = AsyncMock(return_value="Great summary of the thread.")
key = (400, 99)
_thread_history[key] = [
{"role": "user", "content": "question one"},
{"role": "assistant", "content": "answer one"},
{"role": "user", "content": "question two"},
{"role": "assistant", "content": "answer two"},
]
update = _make_update(chat_id=400, thread_id=99)
ctx = _make_context(settings, llm=mock_llm, store=store)
await flush_handler(update, ctx)
# LLM called to summarise
mock_llm.chat.assert_awaited_once()
# Summary persisted
store.save.assert_called_once()
saved: ThreadSummary = store.save.call_args.args[0]
assert saved.chat_id == 400
assert saved.thread_id == 99
assert saved.summary == "Great summary of the thread."
assert saved.message_count == 2 # 2 user turns
# In-memory history replaced with compressed context
assert len(_thread_history[key]) == 1
assert _thread_history[key][0]["role"] == "system"
assert "Great summary" in _thread_history[key][0]["content"]
# ---------------------------------------------------------------------------
# /recall handler tests
# ---------------------------------------------------------------------------
@pytest.mark.asyncio
async def test_recall_in_thread_returns_stored_summary(tmp_path):
"""recall_handler inside a thread returns the stored summary for that thread."""
settings = _make_settings()
store = ThreadMemoryStore(tmp_path / "mem.json")
store.save(ThreadSummary(chat_id=500, thread_id=11, summary="recap text", message_count=3))
update = _make_update(chat_id=500, thread_id=11)
ctx = _make_context(settings, store=store)
await recall_handler(update, ctx)
update.message.reply_text.assert_awaited_once()
text = update.message.reply_text.call_args.args[0]
assert "recap text" in text
@pytest.mark.asyncio
async def test_recall_in_thread_no_summary_guides_user(tmp_path):
"""recall_handler inside a thread with no summary tells user to /flush first."""
settings = _make_settings()
store = ThreadMemoryStore(tmp_path / "mem.json")
update = _make_update(chat_id=600, thread_id=22)
ctx = _make_context(settings, store=store)
await recall_handler(update, ctx)
update.message.reply_text.assert_awaited_once()
text = update.message.reply_text.call_args.args[0]
assert "flush" in text.lower()
@pytest.mark.asyncio
async def test_recall_outside_thread_lists_all(tmp_path):
"""recall_handler outside a thread lists all stored summaries."""
settings = _make_settings()
store = ThreadMemoryStore(tmp_path / "mem.json")
store.save(ThreadSummary(chat_id=1, thread_id=1, summary="alpha", message_count=1))
store.save(ThreadSummary(chat_id=1, thread_id=2, summary="beta", message_count=2))
update = _make_update(thread_id=None) # no thread
ctx = _make_context(settings, store=store)
await recall_handler(update, ctx)
update.message.reply_text.assert_awaited_once()
text = update.message.reply_text.call_args.args[0]
assert "alpha" in text or "beta" in text
@pytest.mark.asyncio
async def test_recall_outside_thread_empty_store(tmp_path):
"""recall_handler outside a thread with no summaries guides user."""
settings = _make_settings()
store = ThreadMemoryStore(tmp_path / "mem.json")
update = _make_update(thread_id=None)
ctx = _make_context(settings, store=store)
await recall_handler(update, ctx)
update.message.reply_text.assert_awaited_once()
text = update.message.reply_text.call_args.args[0]
assert "flush" in text.lower()