mirror of
https://github.com/leonvanzyl/autocoder.git
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5f06dcf464
Adds the ability to add multiple features to an existing project through a natural language conversation with Claude, similar to how initial spec creation works. Features: - New "Expand" button in header (keyboard shortcut: E) - Full-screen chat interface for describing new features - Claude reads existing app_spec.txt for context - Features created directly in database after user approval - Bulk feature creation endpoint for batch operations New files: - .claude/commands/expand-project.md - Claude skill for expansion - server/services/expand_chat_session.py - Chat session service - server/routers/expand_project.py - WebSocket endpoint - ui/src/components/ExpandProjectChat.tsx - Chat UI - ui/src/components/ExpandProjectModal.tsx - Modal wrapper - ui/src/hooks/useExpandChat.ts - WebSocket hook Modified: - Added POST /bulk endpoint to features router - Added FeatureBulkCreate schemas - Integrated Expand button and modal in App.tsx Co-Authored-By: Claude <noreply@anthropic.com>
247 lines
8.5 KiB
Python
247 lines
8.5 KiB
Python
"""
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Expand Project Router
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=====================
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WebSocket and REST endpoints for interactive project expansion with Claude.
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Allows adding multiple features to existing projects via natural language.
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"""
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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 Optional
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from fastapi import APIRouter, HTTPException, WebSocket, WebSocketDisconnect
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from pydantic import BaseModel, ValidationError
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from ..schemas import ImageAttachment
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from ..services.expand_chat_session import (
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ExpandChatSession,
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create_expand_session,
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get_expand_session,
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list_expand_sessions,
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remove_expand_session,
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)
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logger = logging.getLogger(__name__)
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router = APIRouter(prefix="/api/expand", tags=["expand-project"])
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# Root directory
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ROOT_DIR = Path(__file__).parent.parent.parent
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def _get_project_path(project_name: str) -> Path:
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"""Get project path from registry."""
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import sys
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root = Path(__file__).parent.parent.parent
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if str(root) not in sys.path:
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sys.path.insert(0, str(root))
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from registry import get_project_path
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return get_project_path(project_name)
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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 ExpandSessionStatus(BaseModel):
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"""Status of an expansion 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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features_created: int
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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_expand_sessions_endpoint():
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"""List all active expansion sessions."""
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return list_expand_sessions()
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@router.get("/sessions/{project_name}", response_model=ExpandSessionStatus)
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async def get_expand_session_status(project_name: str):
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"""Get status of an expansion 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_expand_session(project_name)
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if not session:
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raise HTTPException(status_code=404, detail="No active expansion session for this project")
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return ExpandSessionStatus(
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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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features_created=session.get_features_created(),
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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_expand_session(project_name: str):
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"""Cancel and remove an expansion 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_expand_session(project_name)
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if not session:
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raise HTTPException(status_code=404, detail="No active expansion session for this project")
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await remove_expand_session(project_name)
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return {"success": True, "message": "Expansion 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 expand_project_websocket(websocket: WebSocket, project_name: str):
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"""
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WebSocket endpoint for interactive project expansion chat.
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Message protocol:
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Client -> Server:
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- {"type": "start"} - Start the expansion session
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- {"type": "message", "content": "..."} - Send user message
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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": "features_created", "count": N, "features": [...]} - Features added
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- {"type": "expansion_complete", "total_added": N} - Session complete
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- {"type": "response_done"} - Response 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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# Look up project directory from registry
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project_dir = _get_project_path(project_name)
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if not project_dir:
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await websocket.close(code=4004, reason="Project not found in registry")
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return
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if not project_dir.exists():
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await websocket.close(code=4004, reason="Project directory not found")
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return
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# Verify project has app_spec.txt
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spec_path = project_dir / "prompts" / "app_spec.txt"
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if not spec_path.exists():
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await websocket.close(code=4004, reason="Project has no spec. Create spec first.")
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return
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await websocket.accept()
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session: Optional[ExpandChatSession] = 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 expansion session
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session = await create_expand_session(project_name, project_dir)
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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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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_expand_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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# Parse attachments if present
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attachments: list[ImageAttachment] = []
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raw_attachments = message.get("attachments", [])
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if raw_attachments:
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try:
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for raw_att in raw_attachments:
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attachments.append(ImageAttachment(**raw_att))
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except (ValidationError, Exception) as e:
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logger.warning(f"Invalid attachment data: {e}")
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await websocket.send_json({
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"type": "error",
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"content": f"Invalid attachment: {str(e)}"
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})
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continue
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# Allow empty content if attachments are present
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if not user_content and not attachments:
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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, attachments if attachments else None):
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await websocket.send_json(chunk)
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elif msg_type == "done":
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# User is done adding features
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if session:
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await websocket.send_json({
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"type": "expansion_complete",
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"total_added": session.get_features_created()
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})
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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"Expand chat WebSocket disconnected for {project_name}")
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except Exception as e:
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logger.exception(f"Expand 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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