fix(strcuture): refactor responsibilities

Phase-4-Summary.md

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+# Phase 4: Consolidate HTTP Utilities - Complete
+
+## Overview
+Successfully consolidated HTTP-related types and utilities from the `ts/http` module into the HttpProxy module, creating a single source of truth for all HTTP-related functionality.
+
+## Changes Made
+
+### 1. Created Consolidated HTTP Types
+- ✅ Created `http-types.ts` in `ts/proxies/http-proxy/models/`
+- ✅ Added comprehensive HTTP status codes enum with additional codes
+- ✅ Implemented HTTP error classes with proper status codes
+- ✅ Added helper functions like `getStatusText()`
+- ✅ Included backward compatibility exports
+
+### 2. Updated HttpProxy Module
+- ✅ Updated models index to export the new HTTP types
+- ✅ Updated handlers to use the consolidated types
+- ✅ Added imports for HTTP status codes and helper functions
+
+### 3. Cleaned Up ts/http Module
+- ✅ Replaced local HTTP types with re-exports from HttpProxy
+- ✅ Removed redundant type definitions
+- ✅ Kept only router functionality
+- ✅ Updated imports to reference the consolidated types
+
+### 4. Ensured Compilation Success
+- ✅ Fixed all import paths
+- ✅ Verified TypeScript compilation succeeds
+- ✅ Maintained backward compatibility for existing code
+
+## Benefits Achieved
+
+1. **Single Source of Truth**: All HTTP types now live in the HttpProxy module
+2. **Better Organization**: HTTP-related code is centralized where it's most used
+3. **Enhanced Type Safety**: Added more comprehensive HTTP status codes and error types
+4. **Reduced Redundancy**: Eliminated duplicate type definitions
+5. **Improved Maintainability**: Easier to update and extend HTTP functionality
+
+## Next Steps
+
+Phase 5: Update Tests and Documentation - This will complete the refactoring by:
+1. Updating test files to use the new structure
+2. Verifying all existing tests still pass
+3. Updating documentation to reflect the new architecture
+4. Creating migration guide for users of the library