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Reduce WebSocket connect latency by removing redundant session fetch #1

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072577f
Initial plan
Copilot Feb 24, 2026
5bc42dc
perf: avoid duplicate session lookup in websocket connect
Copilot Feb 24, 2026
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22 changes: 6 additions & 16 deletions main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -234,22 +234,6 @@ async def connect(self, websocket: WebSocket, resume_text: str, job_description:
self.active_connection = websocket
logger.info(f"WebSocket accepted for session {self.session_id}")

# Update session status to active
async with async_session() as db:
from sqlalchemy import select
result = await db.execute(
select(SessionModel).where(SessionModel.id == self.session_id)
)
session = result.scalar_one_or_none()
if session:
session.status = "active"
await db.commit()

# Pick a random interviewer persona for this session
persona = pick_random_persona()
self._persona = persona

# Determine interview type
interview_type = "solo"
async with async_session() as db:
from sqlalchemy import select
Expand All @@ -258,9 +242,15 @@ async def connect(self, websocket: WebSocket, resume_text: str, job_description:
)
sess = result.scalar_one_or_none()
if sess:
sess.status = "active"
await db.commit()
interview_type = getattr(sess, "interview_type", "solo") or "solo"
self._interview_type = interview_type

# Pick a random interviewer persona for this session
persona = pick_random_persona()
self._persona = persona

# For panel mode, set up multi-agent rotation
if self._interview_type == "panel":
self._panel_names = {p["name"] for p in PANEL_PERSONAS}
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