[add]: refactor/clean up

app/salary_analytics/helpers/response_helpers.py

@@ -0,0 +1,17 @@
+from typing import Optional, Dict, List, Union
+from pydantic import BaseModel
+
+
+class AnalysisResponse(BaseModel):
+    """Response model for analysis endpoints."""
+    message: str
+    data: Optional[Dict] = None
+    file_path: Optional[str] = None
+
+class BatchResponse(BaseModel):
+    """Response model for batch processing."""
+    batch_number: int
+    total_batches: int
+    processed_rows: int
+    results_path: str
+    message: str