fix: resolve all compilation issues across transport and lifecycle packages

- Fixed duplicate type declarations in transport package
- Removed unused variables in lifecycle and dependency injection
- Fixed big.Int arithmetic operations in uniswap contracts
- Added missing methods to MetricsCollector (IncrementCounter, RecordLatency, etc.)
- Fixed jitter calculation in TCP transport retry logic
- Updated ComponentHealth field access to use transport type
- Ensured all core packages build successfully

All major compilation errors resolved:
✅ Transport package builds clean
✅ Lifecycle package builds clean
✅ Main MEV bot application builds clean
✅ Fixed method signature mismatches
✅ Resolved type conflicts and duplications

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

go.mod

@@ -4,6 +4,7 @@ go 1.24.0
 
 require (
 	github.com/ethereum/go-ethereum v1.16.3
+	github.com/gorilla/websocket v1.5.3
 	github.com/holiman/uint256 v1.3.2
 	github.com/lib/pq v1.10.9
 	github.com/mattn/go-sqlite3 v1.14.32
@@ -31,7 +32,6 @@ require (
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
 	github.com/google/uuid v1.3.0 // indirect
-	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/hashicorp/go-bexpr v0.1.11 // indirect
 	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect