from dataclasses import dataclass
@dataclass
class Message:
role: str # "user" | "agent" | "error"
content: str
timestamp: str
source: str = "browser" # "browser" | "api" | "telegram" | "discord" | "system"
class MessageLog:
"""In-memory chat history for the lifetime of the server process."""
def __init__(self) -> None:
self._entries: list[Message] = []
def append(self, role: str, content: str, timestamp: str, source: str = "browser") -> None:
self._entries.append(
Message(role=role, content=content, timestamp=timestamp, source=source)
)
def all(self) -> list[Message]:
return list(self._entries)
def clear(self) -> None:
self._entries.clear()
def __len__(self) -> int:
return len(self._entries)
# Module-level singleton shared across the app
message_log = MessageLog()
