remove unused md

SSH_FIX_IMPLEMENTATION.md

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-# SSH Banner Error Fix Implementation
-
-## Problem
-The multi-agent supervisor system was creating multiple SSH connections simultaneously, causing "Error reading SSH protocol banner" errors. This happened because each agent that needed SSH access was creating its own connection to the remote server.
-
-## Root Cause
-- Multiple agents attempting to establish SSH connections in parallel
-- SSH server or network infrastructure rejecting rapid connection attempts
-- No connection pooling or sharing mechanism
-
-## Solution Implemented
-
-### 1. SSH Connection Manager (`ssh_connection_manager.py`)
-- **Singleton pattern** to manage shared SSH connections
-- **Thread-safe connection pooling** to prevent multiple connections to the same host
-- **Global execution lock** to serialize SSH operations across all agents
-- **Automatic connection cleanup** on exit
-
-Key features:
-- One connection per unique host/user/port combination
-- 200ms delay between operations to prevent rapid connections
-- Proper cleanup of connections on exit
-
-### 2. Updated SSH Tool (`ssh_tool.py`)
-- Added `use_shared_connection` parameter (defaults to `True`)
-- Integration with the connection manager
-- Thread-safe execution through the connection manager's lock
-- Backward compatibility for non-shared connections
-
-### 3. Updated Configuration (`__init__.py`)
-- Pre-configured SSH tool now uses shared connections
-- Import and export of the SSH connection manager
-- Clear documentation of the shared connection feature
-
-### 4. Enhanced Supervisor (`main-multi-agent.py`)
-- Updated prompt to emphasize **sequential execution** over parallel
-- Added proper SSH connection cleanup on exit
-- Improved error handling and resource management
-
-### 5. Sequential Executor (`sequential_executor.py`)
-- Additional layer of protection against parallel execution
-- 300ms delay between agent executions
-- Comprehensive logging for debugging
-
-## Key Benefits
-
-1. **Eliminates SSH Banner Errors**: Only one connection per server
-2. **Improved Reliability**: Prevents connection flooding
-3. **Better Resource Management**: Shared connections reduce overhead
-4. **Thread Safety**: Proper locking prevents race conditions
-5. **Graceful Cleanup**: Connections are properly closed on exit
-
-## Configuration
-
-The system is now configured to:
-- Use shared SSH connections by default
-- Execute agent operations sequentially when SSH is involved
-- Automatically clean up connections on exit
-- Provide clear error messages if issues occur
-
-## Testing
-
-A test script (`test_ssh_sharing.py`) has been created to verify:
-- Connection sharing is working correctly
-- Sequential execution is enforced
-- Cleanup works properly
-
-## Usage
-
-The system now works exactly as before from the user's perspective, but with improved reliability:
-
-```bash
-cd /Users/ghsioux/tmp/langgraph-pard0x/multi-agent-supervisor
-python main-multi-agent.py
-```
-
-Users can query the system normally, and the SSH operations will be handled reliably in the background.
-
-## Technical Details
-
-- **Connection Key**: `username@host:port` uniquely identifies connections
-- **Execution Lock**: Global thread lock ensures sequential SSH operations
-- **Delay Strategy**: Small delays prevent rapid connection attempts
-- **Cleanup Strategy**: Automatic cleanup on normal exit and SIGINT
-
-This implementation resolves the SSH banner errors while maintaining the full functionality of the multi-agent system.