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debug: add ctx-diag logging to trace session hydration and message assembly
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This commit is contained in:
Lukas Parsons 2026-07-07 22:53:21 -04:00
parent 20c7d7e6b7
commit 9ded11311e
2 changed files with 11 additions and 1 deletions
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4
core/session_manager.py
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@ -383,6 +383,10 @@ class SessionManager:
cached = self.sessions[session_id] cached = self.sessions[session_id]
# Lazy hydrate: metadata-only entries get their messages on first read. # Lazy hydrate: metadata-only entries get their messages on first read.
if not cached.history: if not cached.history:
logger.info(
"[ctx-diag] lazy hydrating session=%s (history empty, msg_count=%d)",
session_id, getattr(cached, "message_count", 0),
)
self._load_session_from_db(session_id) self._load_session_from_db(session_id)
# Keep model/endpoint metadata fresh. Endpoint deletion can clear the # Keep model/endpoint metadata fresh. Endpoint deletion can clear the

8
routes/chat_helpers.py
View file

@ -751,7 +751,13 @@ async def build_chat_context(
sess.model = norm sess.model = norm
# Build messages # Build messages
messages = preface + sess.get_context_messages() _ctx_msgs = sess.get_context_messages()
logger.info(
"[ctx-diag] session=%s history_len=%d ctx_messages=%d preface=%d roles=%s",
session_id, len(sess.history), len(_ctx_msgs), len(preface),
[m.get("role") for m in _ctx_msgs[-5:]] if _ctx_msgs else [],
)
messages = preface + _ctx_msgs
# Current date/time — injected as a standalone *user*-role context message # Current date/time — injected as a standalone *user*-role context message
# placed immediately before the latest user turn, NOT folded into the # placed immediately before the latest user turn, NOT folded into the