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https://github.com/leonvanzyl/autocoder.git
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add claude spec generation
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Auto
@@ -8,5 +8,6 @@ FastAPI routers for different API endpoints.
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from .projects import router as projects_router
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from .features import router as features_router
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from .agent import router as agent_router
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from .spec_creation import router as spec_creation_router
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__all__ = ["projects_router", "features_router", "agent_router"]
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__all__ = ["projects_router", "features_router", "agent_router", "spec_creation_router"]
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233
server/routers/spec_creation.py
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233
server/routers/spec_creation.py
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@@ -0,0 +1,233 @@
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"""
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Spec Creation Router
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====================
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WebSocket and REST endpoints for interactive spec creation with Claude.
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"""
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import asyncio
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import json
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import logging
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import re
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from pathlib import Path
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from typing import Any, Optional
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from fastapi import APIRouter, WebSocket, WebSocketDisconnect, HTTPException
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from pydantic import BaseModel
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from ..services.spec_chat_session import (
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SpecChatSession,
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get_session,
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create_session,
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remove_session,
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list_sessions,
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)
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logger = logging.getLogger(__name__)
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router = APIRouter(prefix="/api/spec", tags=["spec-creation"])
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# Root directory
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ROOT_DIR = Path(__file__).parent.parent.parent
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def validate_project_name(name: str) -> bool:
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"""Validate project name to prevent path traversal."""
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return bool(re.match(r'^[a-zA-Z0-9_-]{1,50}$', name))
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# ============================================================================
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# REST Endpoints
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# ============================================================================
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class SpecSessionStatus(BaseModel):
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"""Status of a spec creation session."""
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project_name: str
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is_active: bool
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is_complete: bool
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message_count: int
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@router.get("/sessions", response_model=list[str])
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async def list_spec_sessions():
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"""List all active spec creation sessions."""
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return list_sessions()
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@router.get("/sessions/{project_name}", response_model=SpecSessionStatus)
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async def get_session_status(project_name: str):
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"""Get status of a spec creation session."""
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if not validate_project_name(project_name):
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raise HTTPException(status_code=400, detail="Invalid project name")
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session = get_session(project_name)
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if not session:
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raise HTTPException(status_code=404, detail="No active session for this project")
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return SpecSessionStatus(
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project_name=project_name,
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is_active=True,
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is_complete=session.is_complete(),
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message_count=len(session.get_messages()),
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)
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@router.delete("/sessions/{project_name}")
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async def cancel_session(project_name: str):
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"""Cancel and remove a spec creation session."""
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if not validate_project_name(project_name):
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raise HTTPException(status_code=400, detail="Invalid project name")
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session = get_session(project_name)
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if not session:
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raise HTTPException(status_code=404, detail="No active session for this project")
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await remove_session(project_name)
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return {"success": True, "message": "Session cancelled"}
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# ============================================================================
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# WebSocket Endpoint
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# ============================================================================
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@router.websocket("/ws/{project_name}")
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async def spec_chat_websocket(websocket: WebSocket, project_name: str):
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"""
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WebSocket endpoint for interactive spec creation chat.
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Message protocol:
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Client -> Server:
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- {"type": "start"} - Start the spec creation session
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- {"type": "message", "content": "..."} - Send user message
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- {"type": "answer", "answers": {...}, "tool_id": "..."} - Answer structured question
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- {"type": "ping"} - Keep-alive ping
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Server -> Client:
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- {"type": "text", "content": "..."} - Text chunk from Claude
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- {"type": "question", "questions": [...], "tool_id": "..."} - Structured question
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- {"type": "spec_complete", "path": "..."} - Spec file created
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- {"type": "file_written", "path": "..."} - Other file written
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- {"type": "complete"} - Session complete
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- {"type": "error", "content": "..."} - Error message
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- {"type": "pong"} - Keep-alive pong
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"""
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if not validate_project_name(project_name):
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await websocket.close(code=4000, reason="Invalid project name")
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return
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await websocket.accept()
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session: Optional[SpecChatSession] = None
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try:
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while True:
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try:
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# Receive message from client
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data = await websocket.receive_text()
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message = json.loads(data)
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msg_type = message.get("type")
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if msg_type == "ping":
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await websocket.send_json({"type": "pong"})
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continue
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elif msg_type == "start":
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# Create and start a new session
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session = await create_session(project_name)
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# Stream the initial greeting
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async for chunk in session.start():
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await websocket.send_json(chunk)
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# Check for completion
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if chunk.get("type") == "spec_complete":
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await websocket.send_json({"type": "complete"})
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elif msg_type == "message":
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# User sent a message
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if not session:
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session = get_session(project_name)
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if not session:
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await websocket.send_json({
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"type": "error",
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"content": "No active session. Send 'start' first."
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})
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continue
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user_content = message.get("content", "").strip()
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if not user_content:
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await websocket.send_json({
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"type": "error",
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"content": "Empty message"
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})
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continue
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# Stream Claude's response
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async for chunk in session.send_message(user_content):
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await websocket.send_json(chunk)
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# Check for completion
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if chunk.get("type") == "spec_complete":
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await websocket.send_json({"type": "complete"})
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elif msg_type == "answer":
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# User answered a structured question
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if not session:
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session = get_session(project_name)
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if not session:
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await websocket.send_json({
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"type": "error",
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"content": "No active session"
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})
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continue
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# Format the answers as a natural response
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answers = message.get("answers", {})
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if isinstance(answers, dict):
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# Convert structured answers to a message
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response_parts = []
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for question_idx, answer_value in answers.items():
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if isinstance(answer_value, list):
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response_parts.append(", ".join(answer_value))
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else:
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response_parts.append(str(answer_value))
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user_response = "; ".join(response_parts) if response_parts else "OK"
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else:
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user_response = str(answers)
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# Stream Claude's response
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async for chunk in session.send_message(user_response):
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await websocket.send_json(chunk)
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if chunk.get("type") == "spec_complete":
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await websocket.send_json({"type": "complete"})
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else:
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await websocket.send_json({
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"type": "error",
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"content": f"Unknown message type: {msg_type}"
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})
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except json.JSONDecodeError:
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await websocket.send_json({
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"type": "error",
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"content": "Invalid JSON"
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})
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except WebSocketDisconnect:
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logger.info(f"Spec chat WebSocket disconnected for {project_name}")
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except Exception as e:
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logger.exception(f"Spec chat WebSocket error for {project_name}")
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try:
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await websocket.send_json({
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"type": "error",
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"content": f"Server error: {str(e)}"
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})
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except Exception:
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pass
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finally:
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# Don't remove the session on disconnect - allow resume
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pass
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