Remove connection_fixes.md - keep only README.md

connection_fixes.md

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-# Connection Stability Fixes for BluetoothMeshService
-
-## Issues Causing Disconnect/Reconnect
-
-1. **Simultaneous Connection Attempts**: Both devices acting as central and peripheral can create duplicate connections
-2. **Temporary ID Management**: Using peripheral UUIDs as temporary IDs causes confusion
-3. **Premature State Updates**: Peer list updates happen before connections are fully established
-4. **Aggressive Disconnect Handling**: Peers are removed immediately on disconnect without grace period
-
-## Recommended Fixes
-
-### 1. Implement Connection Deduplication
-- Track ongoing connection attempts by peer ID
-- Reject duplicate connections from same peer
-- Use deterministic logic to decide which side maintains connection (e.g., compare peer IDs)
-
-### 2. Improve Peer State Management
-- Add connection states: CONNECTING, CONNECTED, DISCONNECTING
-- Only show "joined" after key exchange AND announce received
-- Add grace period before showing "left" messages (e.g., 5 seconds)
-
-### 3. Fix Temporary ID Handling
-- Don't add temp IDs to activePeers
-- Only update peer lists after receiving real peer ID
-- Use a separate pendingPeripherals dictionary
-
-### 4. Consolidate Key Exchange and Announce
-- Send key exchange and announce as atomic operation
-- Wait for both before considering peer "connected"
-- Add sequence numbers to prevent duplicate processing
-
-### 5. Add Connection Stability Timer
-- Don't show "joined" until connection stable for 1 second
-- Buffer rapid connect/disconnect cycles
-- Implement exponential backoff for reconnection attempts
-
-## Implementation Priority
-1. Fix duplicate connection handling (highest impact)
-2. Add connection grace period
-3. Improve state management
-4. Consolidate initialization messages