Refactor: done phase 2

REFACTOR_PLAN.md

@@ -166,33 +166,40 @@ core/
 - ✅ **Backward Compatibility**: All existing endpoints preserved
 - ✅ **Modern FastAPI**: Lifespan events, Pydantic v2 compatibility
 
-## 📋 Phase 2: Pipeline Configuration & Model Management
+## ✅ Phase 2: Pipeline Configuration & Model Management - COMPLETED
 
 ### 2.1 Models Module (`core/models/`)
-- [ ] **Create `pipeline.py`** - Pipeline.json parser
-  - [ ] Extract pipeline configuration parsing from `pympta.py`
-  - [ ] Implement pipeline validation
-  - [ ] Add configuration schema validation
-  - [ ] Handle Redis and PostgreSQL configuration parsing
+- ✅ **Create `pipeline.py`** - Pipeline.json parser
+  - ✅ Extract pipeline configuration parsing from `pympta.py`
+  - ✅ Implement pipeline validation
+  - ✅ Add configuration schema validation
+  - ✅ Handle Redis and PostgreSQL configuration parsing
 
-- [ ] **Create `manager.py`** - MPTA download and model loading
-  - [ ] Extract MPTA download logic from `pympta.py`
-  - [ ] Implement ZIP extraction and validation
-  - [ ] Add model file management and caching
-  - [ ] Handle model loading with GPU optimization
-  - [ ] Implement model dependency resolution
+- ✅ **Create `manager.py`** - MPTA download and model loading
+  - ✅ Extract MPTA download logic from `pympta.py`
+  - ✅ Implement ZIP extraction and validation
+  - ✅ Add model file management and caching
+  - ✅ Handle model loading with GPU optimization
+  - ✅ Implement model dependency resolution
 
-- [ ] **Create `inference.py`** - YOLO model wrapper
-  - [ ] Create unified YOLO model interface
-  - [ ] Add inference optimization and caching
-  - [ ] Implement batch processing capabilities
-  - [ ] Handle model switching and memory management
+- ✅ **Create `inference.py`** - YOLO model wrapper
+  - ✅ Create unified YOLO model interface
+  - ✅ Add inference optimization and caching
+  - ✅ Implement batch processing capabilities
+  - ✅ Handle model switching and memory management
 
 ### 2.2 Testing Phase 2
-- [ ] Test MPTA file download and extraction
-- [ ] Test pipeline.json parsing and validation
-- [ ] Test model loading with different configurations
-- [ ] Verify GPU optimization works correctly
+- ✅ Test MPTA file download and extraction
+- ✅ Test pipeline.json parsing and validation
+- ✅ Test model loading with different configurations
+- ✅ Verify GPU optimization works correctly
+
+### 2.3 Phase 2 Results
+- ✅ **ModelManager**: Downloads, extracts, and manages MPTA files with model ID-based directory structure
+- ✅ **PipelineParser**: Parses and validates pipeline.json with full support for Redis, PostgreSQL, tracking, and branches
+- ✅ **YOLOWrapper**: Unified interface for YOLO models with caching, tracking, and classification support
+- ✅ **Model Caching**: Shared model cache across instances to optimize memory usage
+- ✅ **Dependency Resolution**: Automatically identifies and tracks all model file dependencies
 
 ## 📋 Phase 3: Streaming System