Administrator fab8741544 refactor(config): use external DEX config in decoder ...

Replaced hardcoded router map with externalized DEX configuration from
config/dex.yaml for flexibility and maintainability.

## Changes Made

### pkg/sequencer/decoder.go
- Added pkg/config import
- Added package-level dexConfig variable
- Created InitDEXConfig() function to load config from file
- Modified GetSwapProtocol() to use config.Routers map instead of hardcoded map
- Removed 12 hardcoded router addresses
- Config fallback: uses function selector matching if config not loaded

## Benefits
- Configuration external from code
- Easy to add new DEX routers without code changes
- Centralized router configuration in config/dex.yaml
- Backward compatible: falls back to selector matching

## Usage
```go
// At startup:
if err := sequencer.InitDEXConfig("config/dex.yaml"); err != nil {
    log.Fatal(err)
}
```

## Testing
- ✅ Compilation verified: go build ./pkg/sequencer/...
- ✅ Backward compatible with existing code
- ✅ Config loading from config/dex.yaml

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

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

2025-11-11 13:57:44 +01:00

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