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"""Per-turn orchestration.
A turn is: gather dynamic context, hand the conversation to the backend, return
the response. As capabilities grow (memory recall, routing per intent, channel
adapters) they hang off this function.
"""
from datetime import datetime
from .context import build_turn_context
from .models import Message, ModelRequest, call_model
def handle_turn(messages: list[Message], user: str | None = None) -> str:
#decorated = _decorate_latest_user(messages, user)
request = ModelRequest(
messages=messages,
turn_context=build_turn_context(),
)
response = call_model(request)
return response.content
def _decorate_latest_user(messages: list[Message], user: str | None) -> list[Message]:
"""Prepend [timestamp] [user: name] to the latest user message only.
Older user messages keep their original form, they were already decorated
at the time they were sent, and Open WebUI is feeding us back the conversation
history including those decorations.
"""
if not messages:
return messages
# find the latest user message; decorate it
decorated = list(messages)
for i in range(len(decorated) - 1, -1, -1):
if decorated[i].role == "user":
now = datetime.now(timezone.utc).astimezone().isoformat(timespec="seconds")
name = f"[user: {user}] " if user else ""
prefix = f"[{now}] {name}"
decorated[i] = Message(
role="user",
content=prefix + decorated[i].content,
)
break
return decorated
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